Genuine Volkswagen Radiator Cap

Cooling Radiator Cap

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9 Radiator Caps found

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Volkswagen Cap
Part Number: 171-121-321-J
$25.09 MSRP: $41.83
You Save: $16.74 (41%)
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Product Specifications
- Other Name: Cover
Fits the following Volkswagen Models:
- Fox | 1987-1993 | Base, GL, GL Sport | 4 Cyl 1.8 L GAS
- Golf | 1985-1992 | Base, GL, GT, GTI, GTI 16-Valve, GTI 8-Valve | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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Volkswagen Cap
Part Number: 5Q0-121-321
$31.43 MSRP: $52.38
You Save: $20.95 (40%)
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Product Specifications
- Other Name: Cover; Cap, Reservoir Cap
- Replaces: 3C0-121-321
Fits the following Volkswagen Models:
- Beetle | 2014-2017 | GSR, R-Line, R-Line S, R-Line SE, R-Line SEL, TDI | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
- CC | 2009-2016 | 4 Motion, Executive, Executive 4 Motion, Lux, V6 Executive 4Motion, VR6, VR6 4Motion, VR6 4Motion Executive, VR6 Sport | 6 Cyl 3.6 L GAS
- GTI | 2015-2017 | Autobahn, S, SE, Sport | 4 Cyl 2.0 L GAS
- Golf | 2015-2018 | Base, Launch Edition, S, SE, SEL, TDI S, TDI SE, TDI SEL, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL
- Golf Alltrack | 2017-2019 | S, SE, SEL | 4 Cyl 1.8 L GAS
- Golf R | 2015-2019 | Base | 4 Cyl 2.0 L GAS
- Golf SportWagen | 2015-2019 | Limited Edition, S, SE, SEL, TDI S, TDI SE, TDI SEL | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL
- Jetta | 2014-2018, 2009 | GLI, GLI SE, GLI SEL, Hybrid SEL Premium, S, SE, TDI, Wolfsburg Edition | 4 Cyl 1.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 1.4 L GAS, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
- Passat | 2012-2018, 2006-2008 | 3.6, GT, SE, SEL Premium, VR6 | 6 Cyl 3.6 L GAS
- Tiguan | 2009-2017 | R-Line, S, SE, SEL, Sport, Wolfsburg Edition | 4 Cyl 2.0 L GAS
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Volkswagen Cap
Part Number: 1H0-121-321-C
$32.75 MSRP: $54.58
You Save: $21.83 (40%)
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Product Specifications
- Other Name: Cover; Radiator Cap, Reservoir Cap, Reservoir Cover
- Replaces: 1H0-121-321-A, 357-121-321-C
Fits the following Volkswagen Models:
- Cabrio | 1995-2002 | Base, GL, GLS, GLX, High Line | 4 Cyl 2.0 L GAS
- Corrado | 1990-1994 | G60, SLC | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
- EuroVan | 1999-2003, 1997, 1995, 1993 | Base, Camper, CL, GL, GLS, MV, Transport | 5 Cyl 2.4 L DIESEL, 5 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
- Golf | 1990-1999 | Celebration Edition, City, GL, GTI, GTI 16-Valve, GTI 8-Valve, GTI VR6, Jazz, K2, Limited Edition, Sport, Trek, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- Jetta | 1985-1999 | Base, Carat, Celebration Edition, City, GL, GLI, GLI 16-Valve, GLS, GLX, GT, Jazz, K2, Limited Edition, TDI, Trek, Wolfsburg Edition | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- Passat | 1990-1997 | CL, GL, GLS, GLX, TDI | 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Cap
Part Number: 1J0-121-422
$2.94 MSRP: $4.82
You Save: $1.88 (39%)
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Fits the following Volkswagen Models:
- Golf | 1999-2006 | GL, GL TDI, GLS, GLS TDI, GTI, GTI 1.8T, GTI 20th Anniversary, GTI 337, GTI GLS, GTI GLX, GTI VR6, TDI, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- Jetta | 1999-2005 | GL, GL TDI, GLI, GLS, GLS TDI, GLX, TDI, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Cap
Part Number: 1J0-121-321-B
$24.14 MSRP: $39.59
You Save: $15.45 (40%)
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Product Specifications
- Other Name: Cover; Cap
Fits the following Volkswagen Models:
- Touareg | 2007-2010 | Base, TDI, VR6 | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.6 L GAS
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Volkswagen Cap
Part Number: 3B0-121-321
$24.14 MSRP: $39.59
You Save: $15.45 (40%)
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Product Specifications
- Other Name: Cover; Cap, Expansion Tank
Fits the following Volkswagen Models:
- Beetle | 2012-2017, 1998-2010 | #PinkBeetle, 2.5, Base, Classic, Denim, Dune, Fleet Edition, GL, GLS, GLS TDI, GLX, GSR, R-Line, R-Line S, R-Line SE, R-Line SEL, S, SE, SEL, Sport, TDI, Turbo, Turbo S, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS
- CC | 2009-2017 | Executive, Lux, Lux Limited, Lux Plus, Luxury, R-Line, R-Line Executive, Sport, Sport Plus, Trend | 4 Cyl 2.0 L GAS
- Eos | 2007-2016 | 2.0T, 3.2, Base, Executive, Final Edition, Komfort, Lux, Sport, Turbo, VR6 | 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
- GTI | 2006-2014 | Base, Driver's Edition, Fahrenheit, Wolfsburg Edition | 4 Cyl 2.0 L GAS
- Golf | 2010-2014, 1999-2006 | Base, GL, GL TDI, GLS, GLS TDI, GTI, GTI 1.8T, GTI 20th Anniversary, GTI 337, GTI GLS, GTI GLX, GTI VR6, TDI, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
- Golf R | 2012-2013 | Base | 4 Cyl 2.0 L GAS
- Jetta | 1999-2018 | 2.0T, 2.5, Base, GL, GL TDI, GLI, GLI SE, GLI SEL, GLS, GLS TDI, GLX, Hybrid, Hybrid SE, Hybrid SEL, Hybrid SEL Premium, S, SE, SE Sport, SEL, SEL Premium, Sport, TDI, TDI Cup Edition, TDI Premium, TDI S, TDI SE, TDI SEL, Value Edition, Wolfsburg Edition | 4 Cyl 1.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 1.4 L GAS, 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS
- Passat | 2012-2019, 1998-2010 | 2.0T, 4 Motion, GL, GL TDI, GLS, GLS 4 Motion, GLS TDI, GLX, GLX 4 Motion, GT, Komfort, Limited Edition, Lux, R-Line, S, SE, SE R-Line, SEL, SEL Premium, Sport, TDI SE, TDI SEL, TDI SEL Premium, Turbo, Value Edition, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.6 L GAS
- R32 | 2008 | Base | 6 Cyl 3.2 L GAS
- Rabbit | 2006-2009 | 2.5, S | 5 Cyl 2.5 L GAS
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Volkswagen Cap
Part Number: 1H0-121-422
$6.98 MSRP: $11.44
You Save: $4.46 (39%)
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Product Specifications
- Other Name: Cover, Reservoir Bolt
Fits the following Volkswagen Models:
- Corrado | 1992-1994 | SLC | 6 Cyl 2.8 L GAS
- Golf | 1993-1998 | Celebration Edition, City, GL, GTI, GTI VR6, Jazz, K2, Limited Edition, Sport, Trek | 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- Jetta | 1993-1999 | Celebration Edition, City, GL, GLS, GLX, GT, Jazz, K2, Limited Edition, TDI, Trek, Wolfsburg Edition | 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
- Passat | 1995-1997 | GLX | 6 Cyl 2.8 L GAS
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Volkswagen Cap
Part Number: 1C9-121-321
$39.95 MSRP: $55.48
You Save: $15.53 (28%)
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Product Specifications
- Other Name: Cover; Reservoir Cap
Fits the following Volkswagen Models:
- Passat | 2002-2004 | W8 | 8 Cyl 4.0 L GAS
- Touareg | 2006-2009 | Base, TDI | 10 Cyl 5.0 L DIESEL, 8 Cyl 4.2 L GAS
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Volkswagen Radiator Cap
Part Number: 7B0-121-321-A
$16.69 MSRP: $22.80
You Save: $6.11 (27%)
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Product Specifications
- Other Name: Cover
- Replaces: 7B0-121-321
Fits the following Volkswagen Models:
- Routan | 2009-2014 | S, SE, SEL, SEL Premium | 6 Cyl 3.6 L FLEX, 6 Cyl 3.8 L GAS, 6 Cyl 4.0 L GAS

Volkswagen Radiator Cap

The Volkswagen radiator cap is a vital element of the pressurized cooling system. It helps retain a certain pressure for the coolant, whereby extra steam escapes when it passes some specific threshold. Such steam is then directed to the overflow bottle. After the engine has cooled down, the level of coolant in the radiator drops, and a jacket leading from this bottle back to the radiator opens up through its valve due to pressure on it by fluid. If an individual's radiator cap is malfunctioning, it could cause too much or too little fluid release, thus interfering with how well-balanced this system is. You need to be aware that if your car overheats or the overflow bottle fills up, these are all signs that your Volkswagen radiator cap is going wrong. If these problems are noticed, it should be noted that driving must stop, and the radiator cap must be examined immediately.

OEM (Original Equipment Manufacturer) Volkswagen Radiator Caps are perfect for motorists because they are the best quality parts produced as per the manufacturer's specifications; hence, they perform well and are reliable too, thus helping to retain the car's initial functionality as well as safety features. At VWPartsGiant.com, our genuine Volkswagen Radiator Cap supply indicates how much we care about the health of your vehicle. Additionally, our stock is vast, so every product will be easily accessible to you for finding and swapping without fear of making mistakes. With our user-friendly online catalog, it takes no time to identify the right spare part. Therefore, convenience accompanies servicing or maintaining a motorcar. You can rely on our OEM Volkswagen Radiator Cap to sustain the performance of your automobile.