Fel-Pro 35346 Engine Coolant Thermostat O-Ring

Name: Fel-Pro 35346 Engine Coolant Thermostat O-Ring
Brand: Fel-Pro
SKU: BCWV-35346
Price: 8.12 USD
Availability: InStock

⚙️ 281 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Buick, Chevrolet, GMC, Pontiac, Saturn, Cadillac, Oldsmobile, and Shelby, Regal, Verano, Equinox, Terrain, LaCrosse, Captiva Sport, Express 1500, Impala, Malibu, Orlando, Savana 1500, Silverado 1500, Sierra 1500, HHR, Allure, Cobalt, G5, G6, Sky, Vue, Solstice, Aura, Ion, Pursuit, DeVille, Cavalier, Classic, Bonneville, Grand Am, Sunfire, Seville, Alero, L300, Aurora, L200, LW200, Eldorado, L100, LS, LS1, LW1, Series 1, 60 Special, Allante, Commercial Chassis, and Fleetwood

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Reliable Engine Coolant Thermostat O-Ring for GM Vehicles

The Fel-Pro 35346 Engine Coolant Thermostat O-Ring is designed to provide a secure seal in the cooling system of various GM vehicles. Engineered as a premium-grade gasket component, this O-ring helps maintain optimal engine temperature by preventing coolant leaks.

Premium grade material ensures durability and resistance to heat and coolant fluids
Compatible with multiple GM makes including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn
Specifically designed for engine coolant thermostat sealing applications
Part number 35346 for precise identification and fitment
OEM-quality construction for reliable performance in vehicles like the Chevrolet Impala, Buick LaCrosse, and GMC Sierra 1500

Product Details and Specifications

This Fel-Pro Engine Coolant Thermostat O-Ring (part number 35346) is manufactured to meet stringent quality standards. The premium grade material offers excellent resistance to thermal degradation and coolant exposure, ensuring a long service life. It is engineered to fit a wide range of GM models, including the Pontiac G6, Cadillac DeVille, Chevrolet Silverado 1500, and Saturn Aura, among others. The O-ring provides a tight seal around the thermostat housing, preventing coolant leaks that can lead to engine overheating or inefficient temperature regulation.

Compatible Vehicles and Applications

This O-ring is compatible with the following makes and models:

Buick: LaCrosse, Lucerne, Regal
Cadillac: DeVille, Eldorado, Seville
Chevrolet: Impala, Malibu, Cobalt, Silverado 1500
GMC: Sierra 1500, Savana 1500
Oldsmobile: 60 Special
Pontiac: G6, Grand Am, Sunfire
Saturn: Aura, Vue, Sky

Common Issues Addressed by This O-Ring

Prevents coolant leaks at the thermostat housing
Helps maintain proper engine operating temperature
Reduces risk of engine overheating due to coolant loss
Eliminates coolant seepage that can cause corrosion or damage
Ensures reliable thermostat function and engine cooling system integrity

Installation Notes and Tips

When installing the Fel-Pro 35346 Engine Coolant Thermostat O-Ring, ensure the thermostat housing and surrounding surfaces are 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 removal and installation to ensure correct fitment and torque specifications.

Quality Assurance and Warranty

Fel-Pro manufactures this Engine Coolant Thermostat O-Ring to meet or exceed OEM standards. The premium grade material and precise manufacturing processes contribute to consistent sealing performance. While specific warranty details may vary, Fel-Pro products typically come with a limited warranty against defects in material and workmanship, providing confidence in product reliability.

This part fits 281 vehicles. Search below:

Year	Make	Model	Drive Type	Liters	Cylinders	Position
2017	Buick	Regal		2.4L	L4	N/A
2017	Buick	Verano		2.4L	L4	N/A
2017	Chevrolet	Equinox		2.4L	L4	N/A
2017	GMC	Terrain		2.4L	L4	N/A
2016	Buick	LaCrosse		2.4L	L4	N/A
2016	Buick	Regal		2.4L	L4	N/A
2016	Buick	Verano		2.4L	L4	N/A
2016	Buick	Verano		2.0L	L4	N/A
2016	Chevrolet	Equinox		2.4L	L4	N/A
2016	GMC	Terrain		2.4L	L4	N/A
2015	Buick	LaCrosse		2.4L	L4	N/A
2015	Buick	Regal		2.4L	L4	N/A
2015	Buick	Verano		2.4L	L4	N/A
2015	Buick	Verano		2.0L	L4	N/A
2015	Chevrolet	Captiva Sport		2.4L	L4	N/A
2015	Chevrolet	Equinox		2.4L	L4	N/A
2015	GMC	Terrain		2.4L	L4	N/A
2014	Buick	LaCrosse		2.4L	L4	N/A
2014	Buick	Regal		2.4L	L4	N/A
2014	Buick	Verano		2.4L	L4	N/A
2014	Buick	Verano		2.0L	L4	N/A
2014	Chevrolet	Captiva Sport		2.4L	L4	N/A
2014	Chevrolet	Equinox		2.4L	L4	N/A
2014	Chevrolet	Express 1500		4.3L	V6	N/A
2014	Chevrolet	Impala		2.4L	L4	N/A
2014	Chevrolet	Malibu		2.4L	L4	N/A
2014	GMC	Savana 1500		4.3L	V6	N/A
2014	GMC	Terrain		2.4L	L4	N/A
2013	Buick	LaCrosse		2.4L	L4	N/A
2013	Buick	Regal		2.4L	L4	N/A
2013	Buick	Regal		2.0L	L4	N/A
2013	Buick	Verano		2.4L	L4	N/A
2013	Buick	Verano		2.0L	L4	N/A
2013	Chevrolet	Captiva Sport		2.4L	L4	N/A
2013	Chevrolet	Equinox		2.4L	L4	N/A
2013	Chevrolet	Express 1500		4.3L	V6	N/A
2013	Chevrolet	Malibu		2.4L	L4	N/A
2013	Chevrolet	Silverado 1500		4.3L	V6	N/A
2013	GMC	Savana 1500		4.3L	V6	N/A
2013	GMC	Sierra 1500		4.3L	V6	N/A
2013	GMC	Terrain		2.4L	L4	N/A
2012	Buick	LaCrosse		2.4L	L4	N/A
2012	Buick	Regal		2.4L	L4	N/A
2012	Buick	Regal		2.0L	L4	N/A
2012	Buick	Verano		2.4L	L4	N/A
2012	Chevrolet	Captiva Sport		2.4L	L4	N/A
2012	Chevrolet	Equinox		2.4L	L4	N/A
2012	Chevrolet	Express 1500		4.3L	V6	N/A
2012	Chevrolet	Malibu		2.4L	L4	N/A
2012	Chevrolet	Silverado 1500		4.3L	V6	N/A
2012	GMC	Savana 1500		4.3L	V6	N/A
2012	GMC	Sierra 1500		4.3L	V6	N/A
2012	GMC	Terrain		2.4L	L4	N/A
2011	Buick	LaCrosse		2.4L	L4	N/A
2011	Buick	Regal		2.4L	L4	N/A
2011	Buick	Regal		2.0L	L4	N/A
2011	Chevrolet	Equinox		2.4L	L4	N/A
2011	Chevrolet	Express 1500		4.3L	V6	N/A
2011	Chevrolet	HHR		2.2L	L4	N/A
2011	Chevrolet	HHR		2.4L	L4	N/A
2011	Chevrolet	Malibu		2.4L	L4	N/A
2011	Chevrolet	Silverado 1500		4.3L	V6	N/A
2011	GMC	Savana 1500		4.3L	V6	N/A
2011	GMC	Sierra 1500		4.3L	V6	N/A
2011	GMC	Terrain		2.4L	L4	N/A
2010	Buick	Allure		2.4L	L4	N/A
2010	Buick	LaCrosse		2.4L	L4	N/A
2010	Chevrolet	Cobalt		2.2L	L4	N/A
2010	Chevrolet	Cobalt		2.0L	L4	N/A
2010	Chevrolet	Equinox		2.4L	L4	N/A
2010	Chevrolet	Express 1500		4.3L	V6	N/A
2010	Chevrolet	HHR		2.2L	L4	N/A
2010	Chevrolet	HHR		2.4L	L4	N/A
2010	Chevrolet	HHR		2.0L	L4	N/A
2010	Chevrolet	Malibu		2.4L	L4	N/A
2010	Chevrolet	Silverado 1500		4.3L	V6	N/A
2010	GMC	Savana 1500		4.3L	V6	N/A
2010	GMC	Sierra 1500		4.3L	V6	N/A
2010	GMC	Terrain		2.4L	L4	N/A
2010	Pontiac	G5		2.2L	L4	N/A
2010	Pontiac	G6		2.4L	L4	N/A
2010	Saturn	Sky		2.4L	L4	N/A
2010	Saturn	Sky		2.0L	L4	N/A
2010	Saturn	Vue		2.4L	L4	N/A
2009	Chevrolet	Cobalt		2.2L	L4	N/A
2009	Chevrolet	Cobalt		2.0L	L4	N/A
2009	Chevrolet	HHR		2.2L	L4	N/A
2009	Chevrolet	HHR		2.4L	L4	N/A
2009	Chevrolet	HHR		2.0L	L4	N/A
2009	Chevrolet	Malibu		2.4L	L4	N/A
2009	Pontiac	G5		2.2L	L4	N/A
2009	Pontiac	G6		2.4L	L4	N/A
2009	Pontiac	Solstice		2.4L	L4	N/A
2009	Pontiac	Solstice		2.0L	L4	N/A
2009	Saturn	Aura		2.4L	L4	N/A
2009	Saturn	Sky		2.4L	L4	N/A
2009	Saturn	Sky		2.0L	L4	N/A
2009	Saturn	Vue		2.4L	L4	N/A
2008	Chevrolet	Cobalt		2.2L	L4	N/A
2008	Chevrolet	Cobalt		2.4L	L4	N/A
2008	Chevrolet	Cobalt		2.0L	L4	N/A
2008	Chevrolet	HHR		2.2L	L4	N/A
2008	Chevrolet	HHR		2.4L	L4	N/A
2008	Chevrolet	HHR		2.0L	L4	N/A
2008	Chevrolet	Malibu		2.2L	L4	N/A
2008	Chevrolet	Malibu		2.4L	L4	N/A
2008	Pontiac	G5		2.2L	L4	N/A
2008	Pontiac	G5		2.4L	L4	N/A
2008	Pontiac	G6		2.4L	L4	N/A
2008	Pontiac	Solstice		2.4L	L4	N/A
2008	Pontiac	Solstice		2.0L	L4	N/A
2008	Saturn	Aura		2.4L	L4	N/A
2008	Saturn	Sky		2.4L	L4	N/A
2008	Saturn	Sky		2.0L	L4	N/A
2008	Saturn	Vue		2.4L	L4	N/A
2007	Chevrolet	Cobalt		2.2L	L4	N/A
2007	Chevrolet	Cobalt		2.0L	L4	N/A
2007	Chevrolet	Cobalt		2.4L	L4	N/A
2007	Chevrolet	HHR		2.2L	L4	N/A
2007	Chevrolet	HHR		2.4L	L4	N/A
2007	Chevrolet	Malibu		2.2L	L4	N/A
2007	Pontiac	G5		2.2L	L4	N/A
2007	Pontiac	G5		2.4L	L4	N/A
2007	Pontiac	G6		2.4L	L4	N/A
2007	Pontiac	Solstice		2.4L	L4	N/A
2007	Pontiac	Solstice		2.0L	L4	N/A
2007	Saturn	Aura		2.4L	L4	N/A
2007	Saturn	Ion		2.2L	L4	N/A
2007	Saturn	Ion		2.0L	L4	N/A
2007	Saturn	Ion		2.4L	L4	N/A
2007	Saturn	Sky		2.4L	L4	N/A
2007	Saturn	Sky		2.0L	L4	N/A
2007	Saturn	Vue		2.2L	L4	N/A
2007	Saturn	Vue		2.4L	L4	N/A
2006	Chevrolet	Cobalt		2.2L	L4	N/A
2006	Chevrolet	Cobalt		2.0L	L4	N/A
2006	Chevrolet	Cobalt		2.4L	L4	N/A
2006	Chevrolet	HHR		2.2L	L4	N/A
2006	Chevrolet	HHR		2.4L	L4	N/A
2006	Chevrolet	Malibu		2.2L	L4	N/A
2006	Pontiac	G6		2.4L	L4	N/A
2006	Pontiac	Pursuit		2.2L	L4	N/A
2006	Pontiac	Pursuit		2.4L	L4	N/A
2006	Pontiac	Solstice		2.4L	L4	N/A
2006	Saturn	Ion		2.2L	L4	N/A
2006	Saturn	Ion		2.0L	L4	N/A
2006	Saturn	Ion		2.4L	L4	N/A
2006	Saturn	Vue		2.2L	L4	N/A
2005	Cadillac	DeVille		4.6L	V8	N/A
2005	Chevrolet	Cavalier		2.2L	L4	N/A
2005	Chevrolet	Classic		2.2L	L4	N/A
2005	Chevrolet	Cobalt		2.2L	L4	N/A
2005	Chevrolet	Cobalt		2.0L	L4	N/A
2005	Chevrolet	Malibu		2.2L	L4	N/A
2005	Pontiac	Bonneville		4.6L	V8	N/A
2005	Pontiac	Grand Am		2.2L	L4	N/A
2005	Pontiac	Pursuit		2.2L	L4	N/A
2005	Pontiac	Sunfire		2.2L	L4	N/A
2005	Saturn	Ion		2.2L	L4	N/A
2005	Saturn	Ion		2.0L	L4	N/A
2005	Saturn	Vue		2.2L	L4	N/A
2004	Cadillac	DeVille		4.6L	V8	N/A
2004	Cadillac	Seville		4.6L	V8	N/A
2004	Chevrolet	Cavalier		2.2L	L4	N/A
2004	Chevrolet	Classic		2.2L	L4	N/A
2004	Chevrolet	Malibu		2.2L	L4	N/A
2004	Oldsmobile	Alero		2.2L	L4	N/A
2004	Pontiac	Bonneville		4.6L	V8	N/A
2004	Pontiac	Grand Am		2.2L	L4	N/A
2004	Pontiac	Sunfire		2.2L	L4	N/A
2004	Saturn	Ion		2.2L	L4	N/A
2004	Saturn	Ion		2.0L	L4	N/A
2004	Saturn	L300		2.2L	L4	N/A
2004	Saturn	Vue		2.2L	L4	N/A
2003	Cadillac	DeVille		4.6L	V8	N/A
2003	Cadillac	Seville		4.6L	V8	N/A
2003	Oldsmobile	Aurora		4.0L	V8	N/A
2003	Saturn	Ion		2.2L	L4	N/A
2003	Saturn	L200		2.2L	L4	N/A
2003	Saturn	LW200		2.2L	L4	N/A
2003	Saturn	Vue		2.2L	L4	N/A
2002	Cadillac	DeVille		4.6L	V8	N/A
2002	Cadillac	Eldorado		4.6L	V8	N/A
2002	Cadillac	Seville		4.6L	V8	N/A
2002	Oldsmobile	Aurora		4.0L	V8	N/A
2002	Saturn	L100		2.2L	L4	N/A
2002	Saturn	L200		2.2L	L4	N/A
2002	Saturn	LW200		2.2L	L4	N/A
2002	Saturn	Vue		2.2L	L4	N/A
2001	Cadillac	DeVille		4.6L	V8	N/A
2001	Cadillac	Eldorado		4.6L	V8	N/A
2001	Cadillac	Seville		4.6L	V8	N/A
2001	Oldsmobile	Aurora		4.0L	V8	N/A
2001	Saturn	L100		2.2L	L4	N/A
2001	Saturn	L200		2.2L	L4	N/A
2001	Saturn	LW200		2.2L	L4	N/A
2000	Cadillac	DeVille		4.6L	V8	N/A
2000	Cadillac	Eldorado		4.6L	V8	N/A
2000	Cadillac	Seville		4.6L	V8	N/A
2000	Saturn	LS		2.2L	L4	N/A
2000	Saturn	LS1		2.2L	L4	N/A
2000	Saturn	LW1		2.2L	L4	N/A
1999	Cadillac	DeVille		4.6L	V8	N/A
1999	Cadillac	Eldorado		4.6L	V8	N/A
1999	Cadillac	Seville		4.6L	V8	N/A
1999	Oldsmobile	Aurora		4.0L	V8	N/A
1998	Cadillac	DeVille		4.6L	V8	N/A
1998	Cadillac	Eldorado		4.6L	V8	N/A
1998	Cadillac	Seville		4.6L	V8	N/A
1998	Oldsmobile	Aurora		4.0L	V8	N/A
1997	Cadillac	DeVille		4.6L	V8	N/A
1997	Cadillac	Eldorado		4.6L	V8	N/A
1997	Cadillac	Seville		4.6L	V8	N/A
1997	Oldsmobile	Aurora		4.0L	V8	N/A
1996	Cadillac	DeVille		4.6L	V8	N/A
1996	Cadillac	Eldorado		4.6L	V8	N/A
1996	Cadillac	Seville		4.6L	V8	N/A
1996	Oldsmobile	Aurora		4.0L	V8	N/A
1995	Cadillac	DeVille		4.9L	V8	N/A
1995	Cadillac	DeVille		4.6L	V8	N/A
1995	Cadillac	Eldorado		4.6L	V8	N/A
1995	Cadillac	Seville		4.6L	V8	N/A
1995	Oldsmobile	Aurora		4.0L	V8	N/A
1994	Cadillac	DeVille		4.9L	V8	N/A
1994	Cadillac	DeVille		4.6L	V8	N/A
1994	Cadillac	Eldorado		4.6L	V8	N/A
1994	Cadillac	Seville		4.6L	V8	N/A
1993	Cadillac	60 Special		4.9L	V8	N/A
1993	Cadillac	Allante		4.6L	V8	N/A
1993	Cadillac	Commercial Chassis		4.9L	V8	N/A
1993	Cadillac	DeVille		4.9L	V8	N/A
1993	Cadillac	Eldorado		4.9L	V8	N/A
1993	Cadillac	Eldorado		4.6L	V8	N/A
1993	Cadillac	Seville		4.9L	V8	N/A
1993	Cadillac	Seville		4.6L	V8	N/A
1992	Cadillac	Allante		4.5L	V8	N/A
1992	Cadillac	Commercial Chassis		4.9L	V8	N/A
1992	Cadillac	DeVille		4.9L	V8	N/A
1992	Cadillac	Eldorado		4.9L	V8	N/A
1992	Cadillac	Fleetwood		4.9L	V8	N/A
1992	Cadillac	Seville		4.9L	V8	N/A
1991	Cadillac	Allante		4.5L	V8	N/A
1991	Cadillac	Commercial Chassis		4.9L	V8	N/A
1991	Cadillac	DeVille		4.9L	V8	N/A
1991	Cadillac	Eldorado		4.9L	V8	N/A
1991	Cadillac	Fleetwood		4.9L	V8	N/A
1991	Cadillac	Seville		4.9L	V8	N/A
1990	Cadillac	Allante		4.5L	V8	N/A
1990	Cadillac	Commercial Chassis		4.5L	V8	N/A
1990	Cadillac	DeVille		4.5L	V8	N/A
1990	Cadillac	Eldorado		4.5L	V8	N/A
1990	Cadillac	Fleetwood		4.5L	V8	N/A
1990	Cadillac	Seville		4.5L	V8	N/A
1989	Cadillac	Allante		4.5L	V8	N/A
1989	Cadillac	Commercial Chassis		4.5L	V8	N/A
1989	Cadillac	DeVille		4.5L	V8	N/A
1989	Cadillac	Eldorado		4.5L	V8	N/A
1989	Cadillac	Fleetwood		4.5L	V8	N/A
1989	Cadillac	Seville		4.5L	V8	N/A
1988	Cadillac	Allante		4.1L	V8	N/A
1988	Cadillac	Commercial Chassis		4.5L	V8	N/A
1988	Cadillac	DeVille		4.5L	V8	N/A
1988	Cadillac	Eldorado		4.5L	V8	N/A
1988	Cadillac	Fleetwood		4.5L	V8	N/A
1988	Cadillac	Seville		4.5L	V8	N/A
1987	Cadillac	Allante		4.1L	V8	N/A
1987	Cadillac	Commercial Chassis		4.1L	V8	N/A
1987	Cadillac	DeVille		4.1L	V8	N/A
1987	Cadillac	Eldorado		4.1L	V8	N/A
1987	Cadillac	Fleetwood		4.1L	V8	N/A
1987	Cadillac	Seville		4.1L	V8	N/A
1986	Cadillac	Commercial Chassis		4.1L	V8	N/A
1986	Cadillac	DeVille		4.1L	V8	N/A
1986	Cadillac	Eldorado		4.1L	V8	N/A
1986	Cadillac	Fleetwood		4.1L	V8	N/A
1986	Cadillac	Seville		4.1L	V8	N/A
1985	Cadillac	Commercial Chassis		4.1L	V8	N/A
1985	Cadillac	DeVille		4.1L	V8	N/A
1985	Cadillac	Eldorado		4.1L	V8	N/A
1985	Cadillac	Fleetwood	FWD	4.1L	V8	N/A
1985	Cadillac	Seville		4.1L	V8	N/A

* 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:

111031110311626109163010930985336163522676740175804C31200C31650C31852C31853C31998GS33253GS33271WO8323

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.