Motorad 234-174 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Audi, Ford, and Volkswagen

The Motorad Standard 234-174 engine coolant thermostat is designed to maintain optimal engine temperature for a range of vehicles including Audi, Ford, Mercury, Porsche, Volkswagen, and Volvo models. Engineered to open at 174°F, this thermostat ensures efficient coolant flow and engine performance.

• Standard type engine coolant thermostat with a 174°F start to open temperature
• Sealing flange outside diameter: 2.12 inches for precise fitment
• Height of 2.00 inches and height between flanges of 1.4 inches
• Bypass diameter of 1.38 inches and bypass length of 1.23 inches for proper coolant circulation
• Flange thickness of 0.06 inches for secure sealing
• Compatible with multiple makes and models including Audi 80, 90, A4, Ford F-150, Mustang, Volkswagen Golf, Jetta, and Volvo S40, S60

About the Motorad Standard Product Line

The Motorad Standard line offers dependable engine cooling components designed to meet OEM specifications. The 234-174 thermostat is part of this line, providing consistent temperature regulation without additional features such as jiggle pins or included gaskets. This ensures straightforward replacement for vehicles requiring a standard thermostat design.

Product Details and Specifications

This engine coolant thermostat features a start to open temperature of 174 degrees Fahrenheit, which is critical for maintaining the engine’s operating temperature within the optimal range. The sealing flange outside diameter of 2.12 inches and flange thickness of 0.06 inches provide a secure fit to prevent leaks. The bypass diameter and length (1.38 inches and 1.23 inches respectively) allow for proper coolant flow during engine warm-up phases. Note that this thermostat does not include a gasket or seal and does not have a jiggle pin weep hole.

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 damaged or worn thermostats
• Maintains consistent engine temperature to prevent engine damage

Installation Notes and Tips

Ensure the engine is cool before removing the old thermostat. Clean the housing surface thoroughly to prevent leaks. Since this thermostat does not include a gasket, use a compatible gasket or sealant as required by your vehicle’s specifications. Verify the correct orientation of the thermostat during installation to ensure proper operation. No installation tool is included with this part.

Quality Assurance and Warranty

The Motorad Standard 234-174 thermostat is manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Motorad products typically adhere to OEM quality requirements, offering reliable service life when installed correctly.