United States
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Number 17 marks the part’s position in the exploded view.
Product overview
Genuine OEM Volkswagen O-Ring, part number 03C121437. This O-ring is a critical sealing component within the engine cooling system, ensuring a tight seal for hoses and connections to prevent coolant leaks. It is located in the engine cooling system. Genuine OEM O-rings are manufactured to precise specifications to withstand the high temperatures and pressures of the cooling system, ensuring its efficient operation.
Catalogue entry: SEAL. RING 15X1,8 ×2.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 40169300
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 2 × 2 × 0.1 cm
- Shipping weight
- 0 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
- Dimensions
- 15x1.8
Equipment codes
- TU0
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
77 vehiclesO-ring — locate 03C121437 Volkswagen O-Ring | Engine Cooling in the official exploded view and explore the surrounding assembly.
Superseded by 0539114931 — the current replacement part.
Parts in this assembly36
- 1Coupl Piece 1K0122291AD
- 3Seal Ring N90765301
- 4Spring 1J0121142
- 5Spring 032121142
- 6Seal Ring N90316801
- 7Sender 06A919501A
- 8Hose 1K0122101HM
- 8Hose 1K0121156CE
- 9Hose 1K0121063T
- 9Hose 1K0121109AM
- 10Hose 1K0121086AS
- 10Hose 1K0121096BB
- 11Hose 1K0121447DK
- 12Hose 1K0122051AN
- 14Connector 1K0121093AT
- 15Coupl Piece 1K0122291BE
- 16Water Pipe 03C121050N
- 18Hose 1K0121058BH
- 19Bracket 3C0121093
- 20Water Pipe 1K0121070BJ
- 21Hose 1K0121058BR
- 22Pump 1K0965561F
- 23Bolt N10124408
- 24Bolt N10128110
- 25Bracket 1K0121093BJ
- 25Bracket 1K0121093AD
- 26Hose 1K0121063P
- 27Water Pipe 03C121497C
- 28Seal Ring WHT003376
- 29Water Pipe 03C121469D
- 30Screw N90355405
- 31Bolt N91073301
- 60Clamp N90686701
- 61Clamp N90686902
- 62Clamp N90687001
- 64Clamp N90687201
Compatible / alternative parts(12)
Vehicle fitment table77
Europe (64)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Beetle | 2016-2019 | 17 | 2 | ||
| new beetle cabriolet | 2016-2019 | 17 | 2 | ||
| Jetta 1.6 | 2014-2018 | 17 | 2 | ||
| jetta | 2014-2017 | 17 | 2 | ||
| Yeti | 2013-2017 | 17 | 2 | TU0 | |
| Jetta 1.4 | 2013-2015 | 17 | 2 | ||
| superb | 2013-2015 | 17 | 2 | TU0 | |
| jetta | 2013-2014 | 17 | 2 | ||
| Altea XL Reference | 2013-2013 | 17 | 2 | TU0 | |
| Toledo Reference | 2012-2015 | 17 | 2 | TU0 | |
| Ibiza Reference | 2012-2012 | 20 | 2 | ||
| Tiguan 4Motion | 2011-2018 | 17 | |||
| new beetle | 2011-2016 | 17 | 2 | ||
| new beetle cabriolet | 2011-2016 | 17 | 2 | ||
| Golf Cabriolet | 2011-2016 | 17 | 1 | TU0 | |
| Passat CC | 2011-2016 | 17 | |||
| Golf Plus | 2011-2014 | 17 | |||
| Golf | 2011-2013 | 17 | |||
| Ibiza Reference | 2011-2012 | 17 | 2 | TF0 | |
| Touran 2.0 | 2010-2015 | 17 | |||
| Passat saloon | 2010-2015 | 17 | |||
| Eos BlueMotion | 2010-2015 | 17 | |||
| Audi A1 Sportback | 2010-2015 | 4 | 2 | TU0 | |
| jetta | 2010-2014 | 17 | |||
| Fabia Scout | 2010-2014 | 20 | 2 | ||
| Altea XL Reference | 2010-2013 | 17 | 2 | TU0 | |
| Alhambra Stylance | 2010-2013 | 23 | 2 | TF0 | |
| Leon Stylance | 2010-2012 | 17 | 2 | TU0 | |
| Superb Ambition | 2009-2015 | 23 | |||
| Golf | 2009-2014 | 17 | 1 | TT3 | |
| golf estate | 2009-2013 | 17 | |||
| Yeti | 2009-2013 | 17 | |||
| Polo | 2009-2012 | 20 | |||
| Golf Plus 1.6 | 2009-2011 | 17 | |||
| Scirocco 2.0 | 2008-2014 | 17 | |||
| superb comfort | 2008-2013 | 17 | 2 | TU0 | |
| octavia ambiente | 2008-2013 | 17 | 2 | TU0 | |
| Audi A3 Sportback | 2008-2013 | 17 | 2 | TU0 | |
| Passat CC | 2008-2012 | 17 | 2 | ||
| golf 2.0 | 2008-2011 | 17 | |||
| passat estate | 2008-2011 | 17 | |||
| jetta | 2008-2011 | 17 | 1 | ||
| Ibiza Reference | 2008-2011 | 20 | 2 | ||
| EOS 2.0 | 2008-2010 | 17 | |||
| Touran 1.9 | 2008-2010 | 17 | |||
| GOLF VARIANT 07> | 2007- | 17 | 2 | TF0 | |
| GOLF PLUS 08> | 2007- | 17, 16 | |||
| Passat/4Motion 08 | 2007- | 17, 16 | 2 | TU0 | |
| TIGUAN 08> | 2007- | 17, 16 | |||
| Audi A3/S3/Sportb./qu. 08 | 2007- | 17 | |||
| Audi A3 Cab. 2.0 TDI | 2007-2013 | 17 | 2 | TU0 | |
| EOS-Cabriolet-Coupe | 2006- | 17, 16 | 2 | TU0 | |
| JETTA 06> | 2006- | 17 | 1 | ||
| TOURAN | 2006- | 17, 16 | |||
| ALTEA 07> | 2006- | 17 | 2 | TU0 | |
| GOLF PLUS 05> | 2005- | 17, 16 | |||
| JETTA 06> | 2005- | 17 | 2 | TF0 | |
| LEON 06> | 2005- | 17 | 2 | TU0 | |
| Passat/4Motion | 2005-2007 | 16 | |||
| Audi A3/S3/quattro | 2005-2007 | 19 | 2 | T72 | |
| TOURAN | 2005-2006 | 17, 16 | |||
| TOLEDO 05> | 2004- | 17 | 2 | TU0 | |
| TOURAN | 2003-2005 | 16, 19 | |||
| GOLF | 2003-2005 | 16, 19 |
Other markets (13)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Lavida | 2012-2021 | 23 | |||
| New Passat | 2011-2019 | 23 | |||
| Magotan 1.4 | 2011-2012 | 17 | 1 | TT3 | |
| New Polo (SVW) | 2010-2019 | 4 | |||
| Tiguan | 2009-2019 | 23 | |||
| bora | 2008-2016 | 23 | 2 | TT3 | |
| Lavida | 2008-2013 | 23 | |||
| Golf/Rabbit 08> | 2007- | 17 | |||
| MAGOTAN (PASSAT) 07> | 2007- | 17 | 1 | ||
| OCTAVIA "CN."07> | 2007- | 23 | |||
| BORA-FAW "CN" 06> | 2005- | 17 | 1 | ||
| Golf/Rabbit | 2005-2007 | 17, 16 | 15X1,8 | 03 | |
| TOURAN (SVW) "CN"04> | 2004- | 23 |
Diagrams & fitment data powered by oemdiagrams.com
03C121437 Volkswagen O-Ring | Engine Cooling is fitted on: Beetle 2016-2019; new beetle cabriolet 2016-2019; Jetta 1.6 2014-2018; jetta 2014-2017; Yeti 2013-2017; Jetta 1.4 2013-2015; superb 2013-2015; jetta 2013-2014; Altea XL Reference 2013-2013; Toledo Reference 2012-2015; Ibiza Reference 2012-2012; Tiguan 4Motion 2011-2018; new beetle 2011-2016; new beetle cabriolet 2011-2016; Golf Cabriolet 2011-2016; Passat CC 2011-2016; Golf Plus 2011-2014; Golf 2011-2013; Ibiza Reference 2011-2012; Touran 2.0 2010-2015; Passat saloon 2010-2015; Eos BlueMotion 2010-2015; Audi A1 Sportback 2010-2015; jetta 2010-2014; Fabia Scout 2010-2014; Altea XL Reference 2010-2013; Alhambra Stylance 2010-2013; Leon Stylance 2010-2012; Superb Ambition 2009-2015; Golf 2009-2014; golf estate 2009-2013; Yeti 2009-2013; Polo 2009-2012; Golf Plus 1.6 2009-2011; Scirocco 2.0 2008-2014; superb comfort 2008-2013; octavia ambiente 2008-2013; Audi A3 Sportback 2008-2013; Passat CC 2008-2012; golf 2.0 2008-2011; passat estate 2008-2011; jetta 2008-2011; Ibiza Reference 2008-2011; EOS 2.0 2008-2010; Touran 1.9 2008-2010; GOLF VARIANT 07> 2007-; GOLF PLUS 08> 2007-; Passat/4Motion 08 2007-; TIGUAN 08> 2007-; Audi A3/S3/Sportb./qu. 08 2007-; Audi A3 Cab. 2.0 TDI 2007-2013; EOS-Cabriolet-Coupe 2006-; JETTA 06> 2006-; TOURAN 2006-; ALTEA 07> 2006-; GOLF PLUS 05> 2005-; JETTA 06> 2005-; LEON 06> 2005-; Passat/4Motion 2005-2007; Audi A3/S3/quattro 2005-2007; TOURAN 2005-2006; TOLEDO 05> 2004-; TOURAN 2003-2005; GOLF 2003-2005; Lavida 2012-2021; New Passat 2011-2019; Magotan 1.4 2011-2012; New Polo (SVW) 2010-2019; Tiguan 2009-2019; bora 2008-2016; Lavida 2008-2013; Golf/Rabbit 08> 2007-; MAGOTAN (PASSAT) 07> 2007-; OCTAVIA "CN."07> 2007-; BORA-FAW "CN" 06> 2005-; Golf/Rabbit 2005-2007; TOURAN (SVW) "CN"04> 2004-.
