OE Quality
60-Day Returns

Mahle C31652 Engine Coolant Thermostat Housing O-Ring
Reliable Engine Coolant Thermostat Housing O-Ring for Ford and Land Rover
The Mahle C31652 Engine Coolant Thermostat Housing O-Ring is designed to provide a secure seal for the thermostat housing in select Ford, Land Rover, Mazda, and Mercury vehicles. Crafted from molded rubber, this gasket ensures durability and resistance to coolant leaks under varying engine temperatures.
- Constructed from molded rubber for effective sealing and longevity
- Compatible with Ford B4000, Explorer, Explorer Sport, Explorer Sport Trac, Mountaineer, Mustang, Ranger models
- Also fits Land Rover LR3 and select Mazda and Mercury vehicles
- Part number C31652 ensures precise replacement and fitment
- Designed to maintain coolant system integrity and prevent leaks
Durable Molded Rubber Material for Coolant Outlet Gasket
This Engine Coolant Thermostat Housing O-Ring features a molded rubber construction that offers excellent resistance to heat, pressure, and coolant chemicals. The material maintains its shape and sealing properties over time, reducing the risk of coolant leaks that can lead to engine overheating or damage. The gasket’s design ensures a tight fit between the thermostat housing and engine block, critical for maintaining proper coolant flow and engine temperature regulation.
Compatible Vehicles and Applications
The Mahle C31652 O-Ring is compatible with a range of vehicles, including Ford models such as the B4000, Explorer, Explorer Sport, Explorer Sport Trac, Mountaineer, Mustang, and Ranger. It also fits Land Rover LR3 models, as well as select Mazda and Mercury vehicles. This part is ideal for those seeking a reliable replacement for the thermostat housing gasket in these specific vehicles.
Common Issues Addressed by This O-Ring
- Prevents coolant leaks at the thermostat housing connection
- Eliminates engine overheating caused by coolant loss
- Reduces risk of gasket deterioration due to heat and pressure
- Maintains proper coolant system pressure and flow
- Helps avoid engine damage related to coolant system failure
Installation Notes and Tips
When installing the Mahle C31652 Engine Coolant Thermostat Housing O-Ring, ensure the thermostat housing and surrounding surfaces are clean and free of old gasket material or debris. Properly seat the molded rubber gasket to avoid pinching or misalignment, which can cause leaks. It is recommended to inspect the thermostat housing for cracks or damage before installation. Follow vehicle-specific torque specifications to secure the housing without over-tightening.
Quality Assurance and Warranty
Mahle manufactures the C31652 O-Ring to meet OEM standards for fit, form, and function. The molded rubber material is engineered for durability and resistance to coolant system conditions. While specific warranty details may vary, Mahle parts typically come with a limited warranty against defects in material and workmanship, providing confidence in the product’s reliability for your Ford, Land Rover, Mazda, or Mercury vehicle.
| Brand | Mahle |
| Part Number | C31652 |
| Coolant Outlet Gasket Material | Molded Rubber |
This part fits 69 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2010 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2010 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2010 | Ford | Mustang | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2010 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2010 | Mazda | B4000 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2010 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2009 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2009 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2009 | Ford | Mustang | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2009 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2009 | Mazda | B4000 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2009 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2008 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2008 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2008 | Ford | Mustang | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2008 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2008 | Mazda | B4000 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2008 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2007 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2007 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2007 | Ford | Mustang | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2007 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2007 | Land Rover | LR3 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2007 | Mazda | B4000 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2007 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2006 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2006 | Ford | Mustang | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2006 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2006 | Land Rover | LR3 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2006 | Mazda | B4000 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2006 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2005 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2005 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2005 | Ford | Mustang | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2005 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2005 | Land Rover | LR3 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2005 | Mazda | B4000 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2005 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2004 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2004 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2004 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2004 | Mazda | B4000 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2004 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2003 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2003 | Ford | Explorer Sport | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2003 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2003 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2003 | Mazda | B4000 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2003 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2002 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2002 | Ford | Explorer Sport | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2002 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2002 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2002 | Mazda | B4000 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2002 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2001 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2001 | Ford | Explorer Sport | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2001 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2001 | Ford | Ranger | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2001 | Mazda | B4000 | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2001 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2000 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 2000 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 1999 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 1999 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 1998 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 1998 | Mercury | Mountaineer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
| 1997 | Ford | Explorer | 4.0L | V6 | N/A | Upper Thermostat Housing O-Ring; Molded Rubber |
* 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.