OE Quality
60-Day Returns

Mahle C31200 Engine Coolant Thermostat Housing O-Ring - To Engine Block
Reliable Engine Coolant Thermostat Housing Seal
The Mahle Engine Coolant Outlet O-Ring C31200 provides a precise seal for the thermostat housing, ensuring efficient coolant flow and preventing leaks. Designed for compatibility with various Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Saab, and Saturn models, this O-ring supports optimal engine cooling system performance.
- Engine Coolant Thermostat Housing O-Ring designed for leak prevention
- Compatible with multiple GM and Saab vehicles including Buick LaCrosse and Chevrolet Silverado 1500
- Part number C31200 for accurate identification and fitment
- Manufactured by Mahle, a trusted brand in engine sealing components
- Part of the Engine Coolant Outlet O-Ring product line for reliable cooling system maintenance
About the Mahle Engine Coolant Outlet O-Ring Product Line
The Engine Coolant Outlet O-Ring line by Mahle focuses on providing durable sealing solutions specifically for engine coolant thermostat housings. These O-rings are engineered to maintain a secure seal under varying temperature and pressure conditions, helping to prevent coolant leaks and maintain engine temperature stability. The C31200 is a key component within this line, designed to meet OEM specifications for a range of GM and Saab vehicles.
Product Details and Vehicle Compatibility
The Mahle C31200 Engine Coolant Thermostat Housing O-Ring is compatible with a wide range of vehicles, including Buick models like LaCrosse and Lucerne, Cadillac DeVille and DTS, Chevrolet Silverado 1500 and Malibu, GMC Sierra 1500 and Terrain, Oldsmobile Alero and Aurora, Pontiac G6 and Grand Am, Saab 9-3 and 9-5, as well as Saturn Aura and Vue. This O-ring ensures a tight seal at the thermostat housing outlet, preventing coolant leaks that can lead to engine overheating or inefficient cooling.
Common Applications and Issues Addressed
- Prevents coolant leaks at the thermostat housing
- Maintains proper engine temperature regulation
- Eliminates coolant seepage that can cause engine damage
- Supports reliable operation of the cooling system in Buick, Cadillac, Chevrolet, and other compatible vehicles
- Replaces worn or damaged O-rings to restore sealing integrity
Installation Notes and Tips
When installing the Mahle C31200 O-ring, ensure the thermostat housing surface is clean and free of debris. Lubricate the O-ring lightly with coolant or a compatible lubricant to ease installation and prevent damage. Verify proper seating of the O-ring to avoid leaks. Follow vehicle-specific service manual instructions for thermostat housing removal and reinstallation to maintain correct torque specifications.
Quality Assurance and Warranty
Mahle manufactures the C31200 Engine Coolant Thermostat Housing O-Ring to meet stringent quality standards, ensuring durability and reliable sealing performance. While specific warranty details may vary, Mahle products typically come with a limited warranty against manufacturing defects. Using genuine Mahle parts helps maintain the integrity of your vehicle’s cooling system.
This part fits 289 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Chevrolet | Equinox | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2017 | GMC | Terrain | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2016 | Buick | LaCrosse | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2016 | Buick | Regal | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2016 | Buick | Regal | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2016 | Buick | Verano | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2016 | Chevrolet | Equinox | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2016 | GMC | Terrain | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2015 | Buick | LaCrosse | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2015 | Buick | Regal | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2015 | Buick | Regal | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2015 | Buick | Verano | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2015 | Chevrolet | Captiva Sport | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2015 | Chevrolet | Equinox | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2015 | GMC | Terrain | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2014 | Buick | LaCrosse | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2014 | Buick | Regal | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2014 | Buick | Regal | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2014 | Buick | Verano | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2014 | Chevrolet | Captiva Sport | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2014 | Chevrolet | Equinox | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2014 | Chevrolet | Malibu | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2014 | GMC | Terrain | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | Buick | LaCrosse | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | Buick | Regal | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | Buick | Regal | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | Buick | Verano | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | Chevrolet | Captiva Sport | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | Chevrolet | Equinox | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | Chevrolet | Malibu | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | GMC | Savana 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2013 | GMC | Terrain | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | Buick | LaCrosse | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | Buick | Regal | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | Buick | Regal | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | Buick | Verano | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | Chevrolet | Captiva Sport | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | Chevrolet | Equinox | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | Chevrolet | Malibu | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | GMC | Savana 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2012 | GMC | Terrain | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Buick | LaCrosse | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Buick | Lucerne | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Buick | Regal | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Buick | Regal | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Cadillac | DTS | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Chevrolet | HHR | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Chevrolet | HHR | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Chevrolet | Malibu | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | GMC | Savana 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2011 | Saab | 9-3 | 2.0L | L4 | N/A | Square Cut O-Ring; Engine Coolant Outlet O-Ring |
| 2011 | Saab | 9-5 | 2.0L | L4 | N/A | Square Cut O-Ring; Engine Coolant Outlet O-Ring |
| 2010 | Buick | LaCrosse | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Buick | Lucerne | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Cadillac | DTS | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Chevrolet | Cobalt | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Chevrolet | Cobalt | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Chevrolet | Equinox | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Chevrolet | HHR | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Chevrolet | HHR | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Chevrolet | HHR | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Chevrolet | Malibu | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | GMC | Savana 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | GMC | Terrain | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Pontiac | G5 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Pontiac | G6 | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Saab | 9-3 | 2.0L | L4 | N/A | Square Cut O-Ring; Engine Coolant Outlet O-Ring |
| 2010 | Saturn | Sky | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2010 | Saturn | Sky | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Buick | Lucerne | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Cadillac | DTS | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Chevrolet | Cobalt | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Chevrolet | Cobalt | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Chevrolet | HHR | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Chevrolet | HHR | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Chevrolet | HHR | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Chevrolet | Malibu | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Pontiac | G5 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Pontiac | G6 | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Pontiac | Solstice | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Pontiac | Solstice | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Saab | 9-3 | 2.0L | L4 | N/A | Square Cut O-Ring; Engine Coolant Outlet O-Ring |
| 2009 | Saturn | Aura | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Saturn | Sky | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Saturn | Sky | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2009 | Saturn | Vue | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Buick | Lucerne | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Cadillac | DTS | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Chevrolet | Cobalt | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Chevrolet | Cobalt | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Chevrolet | HHR | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Chevrolet | HHR | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Chevrolet | HHR | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Chevrolet | Malibu | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Chevrolet | Malibu | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Pontiac | G5 | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Pontiac | G5 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Pontiac | G6 | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Pontiac | Solstice | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Pontiac | Solstice | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Saab | 9-3 | 2.0L | L4 | N/A | Square Cut O-Ring; Engine Coolant Outlet O-Ring |
| 2008 | Saturn | Aura | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Saturn | Sky | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Saturn | Sky | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2008 | Saturn | Vue | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Buick | Lucerne | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Cadillac | DTS | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Chevrolet | Cobalt | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Chevrolet | Cobalt | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Chevrolet | HHR | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Chevrolet | HHR | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Chevrolet | Malibu | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Pontiac | G5 | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Pontiac | G5 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Pontiac | G6 | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Pontiac | Solstice | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Pontiac | Solstice | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Saab | 9-3 | 2.0L | L4 | N/A | Square Cut O-Ring; Engine Coolant Outlet O-Ring |
| 2007 | Saturn | Aura | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Saturn | Ion | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Saturn | Ion | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Saturn | Ion | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Saturn | Sky | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Saturn | Sky | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Saturn | Vue | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2007 | Saturn | Vue | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Buick | Lucerne | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Cadillac | DTS | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Chevrolet | Cobalt | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Chevrolet | Cobalt | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Chevrolet | HHR | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Chevrolet | HHR | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Chevrolet | Malibu | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Pontiac | G6 | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Pontiac | Pursuit | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Pontiac | Solstice | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Saab | 9-3 | 2.0L | L4 | N/A | Square Cut O-Ring; Engine Coolant Outlet O-Ring |
| 2006 | Saturn | Ion | 2.4L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Saturn | Ion | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Saturn | Ion | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2006 | Saturn | Vue | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Chevrolet | Cavalier | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Chevrolet | Classic | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Chevrolet | Cobalt | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Chevrolet | Cobalt | 2.0L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Chevrolet | Malibu | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Pontiac | Bonneville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Pontiac | Grand Am | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Pontiac | Pursuit | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Pontiac | Sunfire | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Saab | 9-3 | 2.0L | L4 | N/A | Square Cut O-Ring; Engine Coolant Outlet O-Ring |
| 2005 | Saturn | Ion | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Saturn | Ion | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2005 | Saturn | Vue | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Chevrolet | Cavalier | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Chevrolet | Classic | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Chevrolet | Malibu | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Oldsmobile | Alero | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Pontiac | Bonneville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Pontiac | Grand Am | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Pontiac | Sunfire | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Saab | 9-3 | 2.0L | L4 | N/A | Square Cut O-Ring; Engine Coolant Outlet O-Ring |
| 2004 | Saturn | Ion | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Saturn | Ion | 2.0L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Saturn | L300 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2004 | Saturn | Vue | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Chevrolet | Cavalier | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Oldsmobile | Alero | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Oldsmobile | Aurora | 4.0L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Pontiac | Grand Am | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Pontiac | Sunfire | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Saab | 9-3 | 2.0L | L4 | N/A | Square Cut O-Ring; Engine Coolant Outlet O-Ring |
| 2003 | Saturn | Ion | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Saturn | L200 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Saturn | LW200 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2003 | Saturn | Vue | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Cadillac | Eldorado | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Chevrolet | Cavalier | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Oldsmobile | Alero | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Oldsmobile | Aurora | 4.0L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Pontiac | Grand Am | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Pontiac | Sunfire | 2.2L | L4 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Saturn | L100 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Saturn | L200 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Saturn | LW200 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2002 | Saturn | Vue | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2001 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2001 | Cadillac | Eldorado | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2001 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2001 | Oldsmobile | Aurora | 4.0L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2001 | Saturn | L100 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2001 | Saturn | L200 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2001 | Saturn | LW200 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2000 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2000 | Cadillac | Eldorado | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2000 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2000 | Saturn | LS | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2000 | Saturn | LS1 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 2000 | Saturn | LW1 | 2.2L | L4 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1999 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1999 | Cadillac | Eldorado | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1999 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1999 | Oldsmobile | Aurora | 4.0L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1998 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1998 | Cadillac | Eldorado | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1998 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1998 | Oldsmobile | Aurora | 4.0L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1997 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1997 | Cadillac | Eldorado | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1997 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1997 | Oldsmobile | Aurora | 4.0L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1996 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1996 | Cadillac | Eldorado | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1996 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1996 | Oldsmobile | Aurora | 4.0L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1995 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1995 | Cadillac | Eldorado | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1995 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1995 | Oldsmobile | Aurora | 4.0L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1994 | Cadillac | DeVille | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1994 | Cadillac | Eldorado | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1994 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1993 | Cadillac | 60 Special | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1993 | Cadillac | Allante | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1993 | Cadillac | Commercial Chassis | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1993 | Cadillac | Eldorado | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1993 | Cadillac | Seville | 4.6L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1992 | Cadillac | Allante | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1992 | Cadillac | Commercial Chassis | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1992 | Cadillac | DeVille | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1992 | Cadillac | Eldorado | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1992 | Cadillac | Fleetwood | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1992 | Cadillac | Seville | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1991 | Cadillac | Allante | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1991 | Cadillac | Commercial Chassis | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1991 | Cadillac | DeVille | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1991 | Cadillac | Eldorado | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1991 | Cadillac | Fleetwood | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1991 | Cadillac | Seville | 4.9L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1990 | Cadillac | Allante | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1990 | Cadillac | Commercial Chassis | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1990 | Cadillac | DeVille | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1990 | Cadillac | Eldorado | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1990 | Cadillac | Fleetwood | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1990 | Cadillac | Seville | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1989 | Cadillac | Allante | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1989 | Cadillac | DeVille | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1989 | Cadillac | Eldorado | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1989 | Cadillac | Fleetwood | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1989 | Cadillac | Seville | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1988 | Cadillac | Commercial Chassis | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1988 | Cadillac | DeVille | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1988 | Cadillac | Eldorado | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1988 | Cadillac | Fleetwood | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1988 | Cadillac | Seville | 4.5L | V8 | N/A | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1987 | Cadillac | Commercial Chassis | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1987 | Cadillac | DeVille | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1987 | Cadillac | Eldorado | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1987 | Cadillac | Fleetwood | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1987 | Cadillac | Seville | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1986 | Cadillac | Commercial Chassis | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1986 | Cadillac | DeVille | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1986 | Cadillac | Eldorado | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1986 | Cadillac | Fleetwood | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1986 | Cadillac | Seville | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1985 | Cadillac | Commercial Chassis | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1985 | Cadillac | DeVille | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1985 | Cadillac | Eldorado | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1985 | Cadillac | Fleetwood | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
| 1985 | Cadillac | Seville | 4.1L | V8 | To Engine Block | Square cut molded rubber o-ring for Engine Coolant Thermostat Housing |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.