Apex AWP3166 Engine Water Pump O-Ring

Engine Water Pump O-Ring for VW and Audi

The Apex AWP3166 engine water pump O-ring is a direct-fit sealing component for select Audi and Volkswagen cooling system applications. It is used to help maintain a secure seal at the water pump interface, supporting proper coolant containment during service.

Key Features

• Engine water pump O-ring for cooling system sealing
• Applies to select Audi A3, A4, A4 Quattro, TT, and TT Quattro models
• Also fits Volkswagen Beetle, Eos, Golf, GTI, Jetta, and Passat applications
• Part number AWP3166 for easy identification
• Sealing component for water pump replacement service

Detailed Description

Apex AWP3166 is an engine water pump O-ring made for vehicles that require a precise sealing ring at the water pump housing. This part is used in cooling system service on 1998-2009 Volkswagen and Audi models, including Audi A4 Quattro, Audi TT, Volkswagen Jetta, and Volkswagen Golf. If you are replacing a water pump or servicing a coolant leak at the pump connection, AWP3166 provides the sealing interface needed for the repair.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Vehicle Fitment

• Fits 2002-2009 Audi A4 Quattro, N/A
• Fits 2008-2009 Audi TT, N/A
• Fits 2000-2006 Audi TT, N/A
• Fits 2007-2009 Volkswagen Eos, N/A
• Fits 2006-2008 Audi A3, N/A
• Fits 2006-2008 Volkswagen GTI, N/A
• Fits 1999-2008 Volkswagen Jetta, N/A
• Fits 2006-2008 Volkswagen Passat, N/A
• Fits 2005-2007 Audi A4, N/A
• Fits 2000-2006 Audi TT Quattro, N/A
• Fits 1999-2006 Volkswagen Golf, N/A
• Fits 1998-2005 Volkswagen Beetle, N/A

Common Repair Uses

• Water pump seal replacement during cooling system service
• Coolant seepage at the pump-to-engine sealing surface
• Maintenance after water pump removal and reinstallation
• Restoring a proper seal on Audi and Volkswagen cooling components

Installation Notes and Tips

Confirm the vehicle application before installation and inspect the sealing surfaces for corrosion, debris, or old gasket material. Clean the mating surfaces thoroughly and follow the service procedure for the specific Audi or Volkswagen model. Part number AWP3166 should be matched to the water pump design used on the listed applications.

Quality Assurance

Apex identifies this component as an engine water pump O-ring for the listed Audi and Volkswagen fitments. Verify the part number AWP3166 against the original sealing ring specification before completing the repair.