Motorad CH9975 Engine Coolant Thermostat Housing - Rear

Engine Coolant Thermostat Housing for Volkswagen

Motorad CH9975 is an engine coolant thermostat housing built for Volkswagen cooling system service where a precise seal and stable coolant flow matter. It is manufactured to OEM quality standards by an OE supplier and uses proprietary material selected for demanding thermal conditions.

Compatible with select Volkswagen Beetle, Golf, and Jetta applications, this rear-mounted coolant outlet housing is a direct-fit service part for vehicles that use a 1.25 in outlet diameter.

Key Features

• Engine coolant thermostat housing for rear-position Volkswagen applications
• Outlet diameter: 1.25 in
• Thermal shock validated for cooling system temperature changes
• 100% leak tested before release
• Built to OEM quality standards by an OE supplier
• Includes housing and seal on listed applications

Detailed Description

Motorad CH9975 is engineered as an engine coolant thermostat housing for Volkswagen cooling system repair. It serves as the coolant outlet housing on select Beetle, Golf, and Jetta models, helping maintain proper coolant routing through the thermostat circuit. The proprietary housing material is selected to handle repeated heat cycling and pressure changes common in modern cooling systems. This part cross-references Dorman - OE Solutions 902-975 and Gates CO34897 for the same application.

Use Motorad CH9975 when replacing a cracked, warped, or leaking thermostat housing on compatible Volkswagen Beetle, Golf, or Jetta vehicles. The rear-position fitment and 1.25 in outlet diameter make it important to match the original configuration during service.

Vehicle Fitment

• Fits 2004-2006 Volkswagen Beetle, rear; Includes housing and seal; Mexico Models; Except Engine Code BEW
• Fits 1998-2003 Volkswagen Beetle, rear; Engine Coolant Water Outlet - Includes housing and seal
• Fits 1993-2006 Volkswagen Golf, rear; Engine Coolant Water Outlet - Includes housing and seal
• Fits 2004-2005 Volkswagen Jetta, rear; Includes housing and seal; Mexico Models; Without Glow Plug Heater
• Fits 1999-2003 Volkswagen Jetta, rear; Engine Coolant Water Outlet - Includes housing and seal

Common Repair Uses

• Replacing a leaking thermostat housing
• Repairing coolant seepage at the rear water outlet
• Restoring proper coolant flow in the thermostat circuit
• Addressing cracked or heat-damaged housing material
• Correcting fitment issues on Volkswagen cooling system service

Installation Notes and Tips

Confirm the rear-position layout and 1.25 in outlet diameter before installation. Inspect the mating surfaces, coolant hose condition, and seal area during service, and verify the engine code notes for Beetle and Jetta applications where listed. Bolts are not included.

Quality Assurance

Motorad manufactures this thermostat housing to OEM quality standards, with thermal shock validation and 100% leak testing to support cooling system reliability.