Vaico V10-0418 Engine Coolant Thermostat Housing - Lower

Engine Coolant Thermostat Housing for VW Cooling Repair

VAICO V10-0418 is an engine coolant thermostat housing component for the lower cooling circuit on select Volkswagen applications. It is built to match the listed dimensions and service location for the cooling pipe adaptor from the crossover plastic pipe to the thermostat housing.

Compatible With Volkswagen EuroVan, Jetta, Golf, Passat, and Corrado lower cooling system applications, this part supports accurate coolant routing in the thermostat housing area. The VAICO product line focuses on application-specific replacement parts for European vehicles, and this housing follows that approach for direct-fit service work.

Key Features

• Engine coolant thermostat housing for lower cooling system service
• Dimensions: 125 mm length, 56 mm width, 54 mm height
• Lightweight construction at 0.092 kg
• Packaging size: 5.4 cm x 5.6 cm
• VAICO V10-0418 for Volkswagen cooling pipe adaptor applications
• Cross-reference: Davico Mfg 18258

Detailed Description

VAICO V10-0418 is an engine coolant thermostat housing used at the lower cooling pipe adaptor connection between the crossover plastic pipe and the thermostat housing. It is listed for 1992-1994 Volkswagen Corrado, 1993-1997 Volkswagen Passat, 1994-1999 Volkswagen Jetta, 1995-1998 Volkswagen Golf, and 1997-2000 Volkswagen EuroVan lower applications. This part number also appears in interchange listings for 21 121 133 D, 021 121 133 D, 902994, 1470000, and 1001210021.

For Volkswagen EuroVan, Jetta, Golf, Passat, and Corrado cooling system repairs, V10-0418 provides a direct replacement option where the thermostat housing connection is part of the lower coolant routing. The listed dimensions help confirm fitment during parts matching and service verification.

Common Repair Symptoms

• Coolant leakage at the thermostat housing connection
• Cracked or deteriorated lower cooling pipe adaptor
• Improper coolant routing at the crossover pipe junction
• Service replacement for worn thermostat housing mounting points
• Cooling system maintenance on Volkswagen lower coolant connections

Installation Notes and Tips

Verify the vehicle year, model, and lower position before ordering. Match the existing housing and cooling pipe adaptor layout to the listed application, and compare the dimensions to the removed part when possible. Clean the mating surfaces and inspect adjacent coolant pipes, seals, and hoses during installation to help ensure a proper repair.

Quality Assurance

VAICO supplies application-specific replacement parts for European vehicle service, and this thermostat housing follows the listed fitment and dimensional specifications for Volkswagen cooling system applications.