Stant 14218 Engine Coolant Thermostat

OE Type Thermostat for GM V8 Cooling Systems

The Stant OE Type Thermostat 14218 is an engine coolant thermostat built to match original equipment design requirements. It uses a stainless steel assembly for smooth operation and durable materials for long service life, with a 180-degree opening temperature for controlled engine warm-up and coolant flow.

Compatible With 1992-1997 Chevrolet Corvette, 1993-1997 Chevrolet Camaro, 1994-1996 Chevrolet Caprice, and other listed GM applications, this thermostat is a direct-fit cooling system service part for vehicles that call for OE temperature control. The Stant 14218 is also a fitment match for 1993-1997 Pontiac Firebird and 1994-1996 Buick Roadmaster applications.

Key Features

• OE Type Thermostat from Stant
• Part Number: 14218
• 180-degree temperature rating
• Original equipment design for factory-style fit and function
• Stainless steel assembly for smooth performance
• Durable construction for long service life
• Seal included
• Bypass plate diameter: 1.2 in.
• Flange diameter with seal: 2.31 in.
• Flange diameter without seal: 2.125 in.

Product Details

Stant OE Type Thermostat 14218 is engineered for GM cooling systems that require a 180-degree engine coolant thermostat. The OE-style design supports consistent coolant regulation, helping the engine reach operating temperature and maintain stable thermal control under normal driving conditions. Its stainless steel assembly is built for smooth movement, while the durable housing materials are selected for long-term use in demanding cooling environments.

This thermostat is listed for 1992-1997 Chevrolet Corvette, 1993-1997 Chevrolet Camaro, 1993-1997 Pontiac Firebird, 1994-1996 Buick Roadmaster, 1994-1996 Cadillac Commercial Chassis, 1994-1996 Cadillac Fleetwood, 1994-1996 Chevrolet Caprice, 1994-1996 Chevrolet Impala, and 1994 Chevrolet Commercial Chassis. This part cross-references replacement application 45218 for the same use case.

Common Cooling Issues It Can Address

• Engine running cooler or warmer than the specified thermostat range
• Delayed warm-up after cold starts
• Unstable coolant temperature during normal driving
• Thermostat sticking from age or wear
• Cooling system service on OE-temperature GM applications

Installation Notes and Tips

Verify the engine’s thermostat specification before installation and confirm the 180-degree rating matches the vehicle requirement. Inspect the sealing surface, housing condition, and coolant quality during service. Because fitment varies by engine and cooling package, confirm the application against the vehicle’s exact year, make, and model before replacement.

Quality Assurance

Stant designs this OE Type Thermostat to follow original equipment-style dimensions and operating characteristics, with stainless steel construction and durable materials selected for consistent cooling system performance.