Vaico V10-3028 Engine Coolant Thermostat Housing - Lower

Engine Coolant Thermostat Housing for VW and Audi

Vaico V10-3028 is an engine coolant thermostat housing for select Volkswagen and Audi applications. Built to match OE number 022 121 117 C, it supports proper coolant routing and thermostat housing replacement on vehicles such as the Volkswagen Golf, Jetta, R32, EuroVan, Eos, and Audi A3 Quattro and TT Quattro.

Key Features

• Engine coolant thermostat housing for cooling system service
• OE reference: 022 121 117 C
• Dimensions: 145 mm length, 140 mm width, 125 mm height
• Lightweight construction at 0.365 kg
• Vaico V10-3028 for direct-fit replacement planning
• VAICO product line component for Volkswagen and Audi cooling system applications

Detailed Description

Vaico V10-3028 is specified as an engine coolant thermostat housing for the Belts and Cooling category. The housing dimensions and OE cross-reference help confirm application matching during cooling system repair, especially when replacing a worn, cracked, or leaking thermostat housing on Volkswagen Golf, Jetta, R32, EuroVan, Eos, Audi A3 Quattro, or Audi TT Quattro models. This part cross-references 022 121 117 C and 902920 for the same application.

Use Vaico V10-3028 when servicing the thermostat housing assembly on vehicles that require OE number 022 121 117 C. The VAICO line is positioned for European vehicle maintenance where accurate fitment and OE-style replacement identification matter. For search relevance, this part is commonly referenced as Vaico V10-3028 thermostat housing, VW Audi coolant thermostat housing, and OE 022 121 117 C replacement.

Fitment

• Fits 2007-2008 Volkswagen Eos, Lower
• Fits 2006-2007 Audi A3 Quattro, Lower
• Fits 2004-2006 Audi TT Quattro, Lower
• Fits 1999-2005 Volkswagen Golf, Lower
• Fits 1999-2004 Volkswagen Jetta, Lower
• Fits 2004 Volkswagen R32, Lower
• Fits 2001-2003 Volkswagen EuroVan, Lower

What It Helps Address

• Coolant leaks at the thermostat housing
• Cracked or deteriorated housing surfaces
• Improper thermostat housing sealing during cooling system repair
• OE number mismatch when sourcing a replacement housing
• Cooling system service on VW Golf, Jetta, R32, EuroVan, Eos, and Audi A3 Quattro or TT Quattro

Installation Notes and Tips

Confirm OE number 022 121 117 C and verify housing dimensions before installation. Inspect mating surfaces, coolant hoses, and seals during service, and follow the vehicle manufacturer’s cooling system procedures for coolant draining, refilling, and bleeding. Fitment is listed for the lower position on the specified applications.

Quality Assurance

VAICO parts are cataloged for European vehicle service applications and identified by OE reference to support accurate replacement selection. Verify the part number V10-3028 against the vehicle’s original thermostat housing before installation.