Gates 34198 OE Type Engine Coolant Thermostat | Precision Temperature Control & OEM Fit

Reliable coolant regulation for modern engines

Gates 34198 OE Type Engine Coolant Thermostat is designed to deliver precise temperature control as your engine warms to operating temperature. When the coolant reaches the target temperature, the valve opens to regulate flow, helping the cooling system maintain a steady operating window. In everyday driving, this design can contribute to smoother idling, steadier cruising, and consistent performance across varying conditions.

Engineered for accuracy and OEM compatibility

The thermostat features a quality controlled factory calibration that ensures the opening and closing points stay accurate even as intake pressure changes. The result is a predictable response that aligns with the engine cooling strategy and the vehicle manufacturer specifications. This OEM-type component is built to match the original fit, function, and design, supporting a seamless replacement experience.

• Quality controlled factory calibration ensures accuracy of opening and closing regardless of pressure changes
• OEM fit, function and design for precise engine cooling
• Jiggle pins allow air venting, while seals and gaskets complete the install as original equipment

In practice the Gates thermostat is designed to slip into the stock housing with the same mounting points and seal interfaces as the original part. The jiggle pins help manage air in the cooling circuit, which can influence temperature readings during startup or rapid throttle changes. The included seals and gaskets work together to form a leak resistant seal that mirrors the original design, supporting coolant integrity over time.

What you gain in everyday driving

• Steady engine temperatures during city traffic, highway speeds, and long road trips
• Reliable operation under temperature swings, reducing thermal cycling stress on the cooling system
• Confidence from an OE-type component designed to integrate with existing cooling systems

Choosing Gates means selecting a brand known for OE-style replacements. This thermostat is a practical option for vehicles that require a genuine type of replacement that mirrors original performance. Always verify compatibility with your vehicle’s exact year, make, and model before installation to ensure the best possible fit and function.