Fel-Pro 35614 Engine Coolant Thermostat O-Ring

Fel-Pro 35614 Thermostat O-Ring Seal

The Fel-Pro 35614 engine coolant thermostat O-ring is a premium sealing solution for cooling system service. Built with application-specific materials, it helps deliver the 100% vehicle sealing performance professionals expect from Fel-Pro.

Key Features

• Premium-grade thermostat O-ring for engine coolant sealing
• Application-specific material selection for a precise seal
• Supports reliable cooling system service on a wide range of GM vehicles
• Fel-Pro sealing technology trusted for professional repair work
• Part number 35614 for easy identification and ordering

Product Details

This Fel-Pro thermostat O-ring is used at the engine coolant thermostat housing to help maintain a tight seal between cooling system components. It is a direct-fit sealing component for many Chevrolet, Buick, Pontiac, GMC, Saturn, Oldsmobile, Cadillac, and Isuzu applications, including long-tail searches such as Fel-Pro 35614 thermostat O-ring for 2000-2011 Chevrolet Impala, 1997-2010 Chevrolet Malibu, and 2005-2010 Pontiac G6. The 35614 part number also appears in cross-reference listings for the same application, including ATP 111001 and MAHLE C31156.

Common Repair Uses

• Coolant seepage at the thermostat housing
• Loss of sealing after thermostat service
• Cooling system leaks traced to the O-ring interface
• Maintenance on vehicles such as Chevrolet Impala, Chevrolet Malibu, and Pontiac G6
• Replacement during thermostat or housing repair on compatible GM platforms

Installation Notes

Inspect the thermostat housing and mating surfaces before installation. Clean all sealing surfaces thoroughly, verify the O-ring seats evenly, and follow the vehicle service procedure for coolant refill and bleed steps. Confirm the application by year, make, and model before ordering the Fel-Pro 35614 thermostat O-ring.

Quality Assurance

Fel-Pro gaskets are known for vehicle-specific sealing materials and professional-grade fitment standards. The 35614 is a premium sealing component engineered to support dependable cooling system sealing across its listed applications.