Fel-Pro 35257 Engine Coolant Thermostat Housing Gasket

Fel-Pro Thermostat Housing Gasket for GM 2.0L Applications

Fel-Pro 35257 is a premium engine coolant thermostat housing gasket built for precise sealing at the thermostat housing. It uses application-specific materials to help deliver dependable sealing performance on select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles.

Compatible With 1982-1986 Buick Skyhawk, 1982-1986 Cadillac Cimarron, 1982-1986 Chevrolet Cavalier, 1982-1986 Oldsmobile Firenza, 1986 Pontiac Sunbird, 1984-1985 Pontiac J2000 Sunbird, and 1982-1983 Pontiac J2000.

• Premium-grade thermostat housing gasket for coolant sealing service
• Application-specific sealing material for a precise fit at the housing interface
• Three mounting holes for the listed applications
• Direct replacement for thermostat housing sealing repairs on GM compact cars
• Cross-reference part numbers include 112381 and 740180 for the same application

Detailed Product Overview

Fel-Pro 35257 is engineered for the thermostat housing on select GM compact platforms, including Buick Skyhawk, Chevrolet Cavalier, and Pontiac J2000 models. As a premium sealing component, it is intended to restore the gasket surface between the thermostat housing and engine coolant passage, helping maintain a secure seal where coolant flow is controlled. Fel-Pro’s sealing approach focuses on vehicle-specific materials rather than a one-size-fits-all design, which supports consistent fitment across the listed 1982-1986 applications.

Common Repair Uses

• Coolant seepage at the thermostat housing
• Sealing failure after thermostat service
• Leak repair during cooling system maintenance
• Replacement of a flattened, brittle, or damaged housing gasket
• Restoration work on Buick Skyhawk, Chevrolet Cavalier, and Pontiac J2000 cooling systems

Installation Notes and Tips

Clean both sealing surfaces thoroughly before installation and remove all old gasket material, corrosion, and coolant residue. Verify the thermostat housing and mating surface are flat and free of damage before assembly. Match the gasket to the listed vehicle application and confirm the three-hole mounting pattern before tightening fasteners evenly to the manufacturer’s service specification.

Quality Assurance

Fel-Pro gaskets are known for application-specific sealing materials and professional-grade sealing performance. Part number 35257 is built to support reliable coolant sealing on the listed GM vehicles, including Pontiac Sunbird and Chevrolet Cavalier applications.