Gates 34240 Engine Coolant Thermostat

Reliable Engine Cooling with Gates OE Type Thermostat 34240

The Gates OE Type Thermostat 34240 is engineered to maintain optimal engine temperature for Ford vehicles including the F-150, F-250 Super Duty, F-350 Super Duty, and Mustang. Designed with durable materials and precise temperature control, this thermostat supports efficient engine performance and longevity.

• Constructed from stainless steel and copper for durability and corrosion resistance
• Reverse poppet design ensures accurate temperature regulation
• O-ring seal type provides a secure, leak-free fit
• Includes a jiggle pin weep hole for air bleeding and improved coolant flow
• Start to open temperature ranges between 194°F to 201°F (90°C to 94°C)
• Sealing flange outside diameters of 3.25 and 1.8 inches for precise fitment
• Height between flanges measures 1.68 to 1.76 inches, with overall height between 2.4 and 2.61 inches

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line by Gates is designed to meet original equipment specifications, ensuring compatibility and performance consistent with factory-installed parts. This product line focuses on delivering thermostats that match OE dimensions, materials, and temperature ratings, making it a reliable replacement option for Ford trucks and performance vehicles.

Product Details and Specifications

The Gates 34240 thermostat features a reverse poppet design that helps regulate coolant flow by opening at precise temperatures between 194°F and 201°F (90°C to 94°C). Its stainless steel and copper construction offers resistance to corrosion and thermal stress, critical for maintaining engine temperature stability. The O-ring seal type ensures a tight seal to prevent leaks, while the included jiggle pin weep hole aids in removing trapped air from the cooling system, enhancing overall efficiency. The thermostat’s dimensions, including sealing flange diameters and flange heights, are engineered for exact fitment in compatible Ford models.

Compatible Vehicles and Common Applications

• Ford F-150
• Ford F-250 Super Duty
• Ford F-350 Super Duty
• Ford Mustang

This thermostat is ideal for addressing issues such as:

• Engine overheating due to thermostat failure
• Poor heater performance from stuck thermostat
• Coolant leaks around the thermostat housing
• Inconsistent engine temperature regulation
• Air trapped in the cooling system causing hot spots

Installation Notes and Tips

When installing the Gates OE Type Thermostat 34240, ensure the engine is cool before removal. Clean the thermostat housing surfaces thoroughly to prevent leaks. The thermostat should be installed with the jiggle pin oriented correctly to allow air to escape during coolant fill. Use a new gasket or seal as required by your vehicle’s service manual, as this product does not include gaskets. Verify the O-ring is properly seated to maintain a secure seal.

Quality Assurance and Warranty

Gates OE Type Thermostats are manufactured to meet or exceed original equipment standards, providing reliable performance and durability. This part carries an OE comparison rating, ensuring it matches factory specifications for fit and function. Warranty coverage details should be confirmed with the product documentation or supplier.