Gates 34238 Engine Coolant Thermostat

Reliable Engine Cooling with Gates OE Type Thermostat 34238

The Gates OE Type Thermostat 34238 is engineered to maintain optimal engine temperature for Ford and Lincoln vehicles. Designed with durable stainless steel and copper materials, this thermostat ensures consistent performance in models like the Ford F-150, Mustang, and Lincoln Navigator.

• Constructed from stainless steel and copper for durability
• Bottom by-pass design with jiggle pin weep hole for efficient coolant flow
• Start to open temperature at 190°F (88°C) for precise engine temperature control
• Sealing flange outside diameter of 2.4 inches for secure fitment
• Compatible with Ford Expedition, Explorer, Transit series, and Lincoln Navigator

About the Gates OE Type Thermostat Product Line

The OE Type Thermostat line by Gates is designed to meet original equipment specifications, providing reliable engine temperature regulation. This product line focuses on delivering OE performance with precise opening temperatures and durable materials, ensuring compatibility and longevity in various Ford and Lincoln models.

Detailed Product Description

The Gates 34238 engine coolant thermostat features a bottom by-pass design that includes a jiggle pin weep hole to prevent air locks and promote smooth coolant circulation. With a start to open temperature of 190°F (88°C), it helps maintain the engine within the ideal operating range. The thermostat’s sealing flange outside diameter measures 2.4 inches, and the overall height is approximately 2.36 inches, ensuring a proper fit in the cooling system. This thermostat does not include gaskets or installation tools but is engineered for direct replacement in compatible vehicles.

Common Applications and Issues Addressed

• Prevents engine overheating by regulating coolant flow
• Helps avoid poor heater performance due to thermostat failure
• Reduces engine warm-up time for improved fuel efficiency
• Eliminates coolant leaks caused by worn or damaged thermostats
• Maintains consistent engine temperature to prevent component wear

Installation Notes and Tips

Installation of the Gates 34238 thermostat requires removal of the old thermostat and cleaning of the housing surface. Note that this part does not include a gasket or installation tool, so ensure you have the correct gasket and tools on hand. Verify the orientation of the bottom by-pass design and jiggle pin weep hole during installation to maintain proper coolant flow and air release.

Quality Assurance and Warranty

Gates OE Type Thermostats are manufactured to meet OE performance standards, ensuring reliable operation and durability. While specific warranty details are not provided, Gates products typically adhere to strict quality control processes to support long-term engine cooling system performance.