Motorad 248-174 Engine Coolant Thermostat

Engine Cooling Control for OE-Style Fitment

The Motorad Standard 248-174 engine coolant thermostat is built for precise temperature control in a wide range of Ford, Mazda, Mercedes-Benz, Volvo, Porsche, Audi, and other applications. With a 170°F opening temperature and OE-style construction, it supports stable coolant flow for engines that need consistent warm-up and operating temperature control.

Motorad’s Standard line focuses on OE-style replacement parts for everyday service work. This thermostat uses OEM specifications and processes, with a copper case and wax compound for quick reaction to coolant temperature changes. The offset design, air relief valve, and OEM-style seals are included where applicable.

Key Features

• 170°F start-to-open temperature for controlled engine warm-up
• OE supplier manufacturing with OEM quality materials and safety standards
• Copper case and wax compound for rapid response to coolant temperature changes
• Offset design for application-specific cooling system fitment
• Air relief valve included where applicable
• Standard type thermostat for direct replacement service
• Motorad part number 248-174

Detailed Product Overview

The Motorad 248-174 is an engine coolant thermostat designed for vehicles that require a 170°F operating range. It is used in applications such as Ford Ranger, Ford Explorer, Ford Mustang, Mazda B4000, Mercury Mountaineer, and select Audi, BMW, Mercedes-Benz, Porsche, Volvo, Volkswagen, Jaguar, and Dodge models. The thermostat’s OE-style construction helps maintain proper coolant regulation, which is important for engine temperature stability, heater performance, and overall cooling system operation.

This part cross-references Gates 24874 for the same application.

Common Cooling System Issues It Can Address

• Engine running cooler or warmer than expected
• Slow cabin heat output during cold starts
• Temperature fluctuation caused by a worn thermostat
• Restricted coolant flow from a thermostat that no longer opens correctly
• Cooling system service needs on OE-style replacement applications

Installation Notes and Tips

Verify the 170°F temperature specification and housing style before installation. Inspect the thermostat housing, sealing surfaces, and coolant condition during service. This part does not include a gasket or seal, and no installation tool is included. Follow the vehicle service procedure for coolant bleeding and refill to help remove trapped air from the system.

Quality Assurance

Motorad manufactures this thermostat with OEM quality materials and OE supplier standards, using OEM specifications and processes for consistent replacement performance. Part number 248-174 is built for demanding automotive cooling systems and application-specific fitment.