Motorad CH3423 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Touareg

The Motorad CH3423 engine coolant thermostat housing is built for 2004-2007 Volkswagen Touareg applications with air conditioning. It uses a black plastic housing with the gasket or seal included to support a proper cooling-system seal at the thermostat outlet.

• Engine coolant thermostat housing for Volkswagen Touareg cooling system service
• Plastic construction with black finish
• Gasket or seal included
• Outlet diameter: 1.43 in
• OE-supplier manufacturing approach with thermal shock validation and leak testing

Fitment Details

Fits 2004-2007 Volkswagen Touareg, N/A, with Air Conditioning. This Motorad CH3423 housing is a direct-fit cooling system service part for the listed application and is also referenced by Dorman - OE Solutions 902-5423 and Genuine 022121050A for the same application.

Product Overview

The CH3423 thermostat housing is used in the engine cooling circuit to retain the thermostat and route coolant through the housing outlet. Motorad manufactures this part to OEM quality standards using proprietary material selected for demanding cooling-system conditions. For Volkswagen Touareg owners servicing a leaking or damaged housing, the CH3423 provides a replacement with the correct outlet diameter and included seal for the specified fitment.

Common Repair Uses

• Replacing a cracked or warped thermostat housing
• Addressing coolant seepage at the housing or flange
• Restoring proper thermostat mounting and coolant routing
• Repairing cooling-system leaks on a Volkswagen Touareg with air conditioning
• Servicing a worn OE-style housing on 2004-2007 Touareg models

Installation Notes

Verify the vehicle is a 2004-2007 Volkswagen Touareg with air conditioning before installation. Inspect the mating surfaces, coolant passages, and thermostat condition during service, and confirm the outlet diameter matches the original application. Bolts are not included, so reuse or replace fasteners as required by the vehicle service procedure.

Quality Assurance

Motorad states that this housing is manufactured by an OE supplier to OEM quality standards, thermal shock validated, and 100% leak tested before release. The included gasket or seal supports a proper sealing surface for cooling-system service.