Fel-Pro 35666 Thermostat Housing Gasket for 1989-2009 GM/GMT - fits V6 204CI 3.3L Buick, V6 231CI 3.8L Buick, L/D V6 231CI 3.8L Buick, L/D

The Fel-Pro 35666 is a thermostat housing gasket that seals the thermostat housing to its mounting surface, sealing the coolant passage around the thermostat on the applications listed below, restoring a clean sealing surface for a reliable, coolant-tight seal.

Vehicle Fitment:

• 1989-1993 GM V6 204CI 3.3L Buick
• 1990-2009 GM V6 231CI 3.8L Buick
• 1992-1995 GMT L/D V6 231CI 3.8L Buick
• 1992-1995 GMT L/D V6 262CI 4.3L Chevrolet

Important Notes:

• Install on clean, flat mating surfaces and follow the manufacturer's torque sequence; do not over-torque thin coolant gaskets.
• Refill with the correct coolant mix and check for leaks after warm-up; verify engine configuration before ordering.

WARNING: WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or reproductive harm.