Vaico V10-0209 Engine Coolant Reservoir Cap

Engine Coolant Reservoir Cap for VW and Audi

The Vaico V10-0209 engine coolant reservoir cap is a plastic, blue replacement cap built for cooling system reservoir and expansion tank applications. It is specified with a 1.5 bar pressure rating and is used across a wide range of Audi, Volkswagen, and Porsche models, including Audi A4, Audi A6, Volkswagen Golf, and Porsche Cayenne applications.

VAICO product line parts are developed for European vehicle cooling system service, with fitment coverage that includes reservoir and expansion tank locations on multiple platforms.

Key Features

• Engine coolant reservoir cap for cooling system service
• Blue plastic construction
• Pressure rating: 1.5 bar
• Dimensions: 80 mm length, 80 mm width, 38.1 mm height
• Fits reservoir and expansion tank applications on select Audi, Volkswagen, and Porsche models
• Vaico part number V10-0209

Detailed Description

Use the Vaico V10-0209 when replacing a worn or damaged coolant reservoir cap on compatible Audi, Volkswagen, and Porsche vehicles. This cap is listed for expansion tank and reservoir locations across model years from 1996 through 2016, including Audi A4, A4 Quattro, A6, A6 Quattro, TT, TT Quattro, Allroad Quattro, RS6, S6, Volkswagen Beetle, Golf, Jetta, Passat, R32, Touareg, and Porsche Cayenne and Panamera applications. This part cross-references Gates 31529 and Rein CPE0024P for the same application.

What It Helps Address

• Coolant loss from a cap that no longer seals properly
• Pressure control issues in the reservoir or expansion tank
• Visible cracking, warping, or wear in the plastic cap body
• Cooling system warning symptoms related to cap failure
• Replacement needs during routine cooling system maintenance

Installation Notes and Tips

• Verify the reservoir or expansion tank style before ordering.
• Match the pressure rating to the original specification.
• Inspect the sealing surface and tank neck for damage before installation.
• Confirm fitment by year, make, model, and cooling system location.
• Fits 2010-2016 Porsche Panamera, N/A; Fits 2012-2016 Porsche Panamera, N/A; Fits 2007-2015 Audi Q7, N/A; Fits 2008-2010 Porsche Cayenne, N/A; Fits 2003-2006 Porsche Cayenne, N/A; Fits 2004-2010 Volkswagen Touareg, N/A; Fits 2000-2006 Volkswagen Golf, N/A; Fits 2003-2005 Audi Allroad Quattro, N/A; Fits 2001 Audi Allroad Quattro, N/A; Fits 2000-2005 Volkswagen Jetta, N/A; Fits 2000-2005 Volkswagen Passat, N/A; Fits 2004-2005 Volkswagen Passat, N/A; Fits 2000-2004 Audi A6 Quattro, N/A; Fits 2004 Volkswagen R32, N/A; Fits 2003 Audi RS6, N/A; Fits 2002-2003 Audi S6, N/A; Fits 2000-2003 Volkswagen Beetle, N/A; Fits 2000-2002 Audi S4, N/A; Fits 2000-2002 Audi TT, N/A; Fits 2000-2002 Audi TT Quattro, N/A; Fits 2000-2001 Audi A4, N/A; Fits 2000-2001 Audi A4 Quattro, N/A; Fits 2000-2001 Audi A6, N/A; Fits 2000 Audi A4 Quattro, N/A; Fits 2000 Audi TT, N/A; Fits 2000 Audi TT Quattro, N/A; Fits 1998-2000 Volkswagen Passat, N/A; Fits 1997-1999 Audi A4, N/A; Fits 1997-1999 Audi A4 Quattro, N/A; Fits 1999 Audi A4 Quattro, N/A; Fits 1998-1999 Audi A6, N/A; Fits 1998-1999 Audi A6 Quattro, N/A; Fits 1998-1999 Volkswagen Beetle, N/A; Fits 1999 Volkswagen Golf, N/A; Fits 1999 Volkswagen Jetta, N/A; Fits 1996 Audi A4, N/A; Fits 1996 Audi A4 Quattro, N/A

Quality Assurance

Vaico part V10-0209 is built as an aftermarket replacement for select European cooling system applications and is listed with multiple OE-style interchange references for identification and ordering accuracy.