Fel-Pro 35595 Engine Coolant Thermostat Housing Gasket

Fel-Pro 35595 Thermostat Housing Gasket

Fel-Pro 35595 is a premium engine coolant thermostat housing gasket built for direct sealing performance in cooling system service. It uses application-specific materials to deliver a precise seal where the thermostat housing meets the engine, helping maintain coolant control on a wide range of GM vehicles.

Compatible with Buick LeSabre, Park Avenue, Regal, and Riviera; Chevrolet Camaro, Lumina, Monte Carlo, Astro, Blazer, and S10; GMC Jimmy, Safari, and Sonoma; plus Oldsmobile and Pontiac applications across 1992-1998 model years.

Key Features

• Premium-grade thermostat housing gasket for cooling system repair
• Application-specific sealing material for the intended housing design
• Engine coolant thermostat housing gasket for leak-resistant sealing
• Two mounting holes for the listed applications
• Direct replacement part number 35595 for service work

Detailed Description

Fel-Pro 35595 is engineered for thermostat housing sealing on select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles. Fel-Pro gaskets are known for vehicle-specific sealing solutions, and this premium gasket is built to match the sealing surface and mounting pattern used in the listed applications. It is a practical choice when servicing the cooling system on a 1995-1998 Buick Regal, a 1995-1998 Pontiac Firebird, or a 1992-1995 Chevrolet S10.

This part cross-references MAHLE C31349 for the same application.

What It Helps Address

• Coolant seepage at the thermostat housing
• Sealing failure after thermostat service
• Coolant odor or visible residue around the housing
• Temperature control issues caused by a compromised housing seal
• Repeat leaks from an aged or flattened gasket surface

Installation Notes and Tips

Clean both mating surfaces before installation and remove all old gasket material, corrosion, and coolant residue. Verify the thermostat housing and engine flange are flat and undamaged, then align the gasket with the two mounting holes before tightening the housing evenly to the manufacturer’s specification. Confirm the cooling system is properly filled and checked for leaks after service.

Quality Assurance

Fel-Pro positions this gasket as a premium sealing solution using materials selected for the specific application. The brand’s focus on vehicle sealing and professional-grade durability supports dependable cooling system service on the listed GM platforms.