Motorad 248-174 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Select European and American Vehicles

The Motorad Standard 248-174 engine coolant thermostat is designed to maintain optimal engine temperature by regulating coolant flow. Compatible with various Audi, BMW, Ford, Jaguar, and Volkswagen models, this thermostat ensures consistent performance at a precise 170°F opening temperature.

• Sealing flange outside diameter: 2.64 inches
• Height between flanges: 1.39 inches
• Standard type thermostat with 1.99 inches total height
• Bypass diameter of 1.69 inches and bypass length of 0.97 inches
• Flange thickness: 0.05 inches
• Start to open temperature: 170°F
• No gasket or seal included
• No jiggle pin weep hole
• Installation tool not included

About the Motorad Standard Product Line

The Motorad Standard line offers dependable engine cooling components designed to meet OEM specifications. The 248-174 thermostat from this line provides consistent temperature regulation without additional features like jiggle pins or included gaskets, making it suitable for professional installations where OEM parts are preferred.

Product Details and Specifications

This engine coolant thermostat features a sealing flange outside diameter of 2.64 inches and a height between flanges of 1.39 inches, ensuring a precise fit in compatible cooling systems. The thermostat opens at 170 degrees Fahrenheit, allowing coolant to circulate and maintain engine temperature within optimal ranges. Its bypass diameter of 1.69 inches and bypass length of 0.97 inches facilitate proper coolant flow during engine warm-up. The flange thickness of 0.05 inches supports secure mounting without compromising sealing integrity.

Compatible Vehicles and Applications

• Compatible with Audi models including A8 Quattro and Allroad Quattro
• Fits BMW models such as 380SEL, 380SL, 380SLC, 524td, 760, and 780
• Suitable for Ford Explorer, Explorer Sport, Explorer Sport Trac, Mustang, Ranger, and Mountaineer
• Also compatible with Jaguar, Dodge B4000, Mercedes-Benz C36 AMG, Mercury, Porsche 928, Volkswagen Corrado, and Volvo models

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Poor engine warm-up performance
• Inconsistent coolant flow causing temperature fluctuations
• Reduced fuel efficiency from improper engine temperature regulation
• Potential engine damage from prolonged overheating

Installation Notes and Tips

This thermostat does not include a gasket or installation tool, so ensure you have the correct gasket and tools before beginning installation. Verify the sealing flange diameter and bypass dimensions match your vehicle’s specifications. Proper torque on mounting bolts is essential to prevent leaks. Always replace the thermostat as part of a cooling system service to maintain optimal engine performance.

Quality Assurance and Warranty

The Motorad Standard 248-174 thermostat is manufactured to meet OEM standards for fit and function. While no specific warranty information is provided, Motorad products typically adhere to industry quality controls to ensure reliable operation in compatible vehicles.