Product overview
Genuine OEM Volkswagen Expansion Coolant Tank, part number 1K0121407A. This component is essential for the cooling system, holding excess coolant and accommodating volume changes as the engine heats up and cools down. Made from durable plastic, it weighs 0.302 kg and measures 0.2m in length. Choosing a genuine OEM expansion tank ensures proper fluid level management, prevents system over-pressurization, and maintains overall cooling system reliability.
Technical details
- Category
- Engine Cooling
- Country of origin
- Italy
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 20 × 17.5 × 15.3 cm
- Shipping weight
- 0.3 kg
Parts diagram & fitment
91 vehiclesCoolant Expansion Tank — locate 1K0121407A Volkswagen Expansion Coolant Tank | Genuine OEM in the official exploded view and explore the surrounding assembly.
Superseded by 1K0121407F — the later replacement part.
This part is marked discontinued by the manufacturer; contact us to check current availability.
Parts in this assembly(32)
- 1Hose 06V121053A
- 2Clamp N90656001
- 4Hose 06V121053B
- 5Clamp N90926501
- 7Hose 06V121053D
- 8Hose 06V121055
- 9Hose 06V121055A
- 10Hose 06V121109
- 11Clamp N90686902
- 13Cover 3B0121321
- 14Screw N10248003
- 15Retainer 06V121408
- 16Screw N91046101
- 17Hose 06V121446
- 18Clamp N90686701
- 19Water Pipe 06V121075D
- 20Seal Ring N90465003
- 21Seal Ring N0138042
- 22Bolt N90483201
- 23Part N90488005
- 24Screw N10170303
- 25Part 1J0121324
- 26Hose 06V121057B
- 27Water Pipe 06V121075C
- 28Bolt N10009110
- 29Hose 06V121057
- 30Hose 06V121057A
- 31Water Pipe 06V121075A
- 32Seal Ring N90809102
- 33Screw N10114807
- 34Hose 077121109A
- 35Water Pipe 06V121075B
Compatible / alternative parts(2)
Diagrams & fitment data powered by oemdiagrams.com
1K0121407A Volkswagen Expansion Coolant Tank | Genuine OEM is fitted on: MARINE-MOTOR 02> 2002-; TOURAN 2003-2005; GOLF 2003-2005; DIES.-IND.-MOT.1,9>2,0 08> 2007-; CADDY 2004-; TOURAN (SVW) "CN"04> 2004-; Jetta "USA"05> 2005-; GOLF PLUS 05> 2005-; Passat/4Motion 2005-2007; JETTA 06> 2005-; Golf/Rabbit 2005-2007; TOURAN 2005-2006; EOS-Cabriolet-Coupe 2006-; JETTA 06> 2006-; GOLF VARIANT 07> 2007-; TOURAN 2006-; Jetta Vagon 08> 2008-; Golf/Rabbit 08> 2007-; GOLF PLUS 08> 2007-; Passat/4Motion 08 2007-; TIGUAN 08> 2007-; Passat CC 2008-2012; golf 2.0 2008-2011; Golf Plus 1.6 2009-2011; Scirocco 2.0 2008-2014; caddy panel van 2008-2010; EOS 2.0 2008-2010; passat estate 2008-2011; Touran 1.9 2008-2010; jetta 2008-2011; golf estate 2009-2013; jetta variant 2009-2014; Tiguan 2009-2019; Sharan Blue Motion 2010-2015; Caddy Maxi Kombi 2010-2015; New Passat 2011-2015; jetta 2010-2014; Touran 2.0 2010-2015; Passat saloon 2010-2015; Eos BlueMotion 2010-2015; New Passat 2011-2019; new beetle 2011-2016; new beetle cabriolet 2011-2016; Golf Cabriolet 2011-2016; Tiguan 4Motion 2011-2018; Golf 2011-2013; Golf Plus 2011-2014; Passat CC 2011-2016; jetta 2013-2014; Jetta 1.4 2013-2015; Scirocco 2.0 2014-2017; jetta 2014-2017; Beetle 2016-2019; new beetle cabriolet 2016-2019; Jetta 1.6 2014-2018; Jetta 1.4 2014-2017; Sharan BlueMotion 2015-2022; caddy kombi 2015-2020; New Passat 2015-2022; jetta 2.0 2015-2015; 2X2 platform; ALTEA 2004-2006; TOLEDO 05> 2004-; LEON 06> 2005-; ALTEA 07> 2006-; Leon Stylance 2010-2012; Altea XL Reference 2010-2013; Alhambra Stylance 2010-2013; Altea XL Reference 2013-2013; Alhambra Stylance 2015-2022; OCTAVIA/COMBI/4X4 04> 2004-; OCTAVIA "CN."07> 2007-; superb comfort 2008-2013; octavia ambiente 2008-2013; Yeti 2009-2013; Superb Ambition 2009-2015; Rapid 2012-2022; Yeti 2013-2017; superb 2013-2015; Audi A3/S3/quattro 2005-2007; Audi Q3 1.4 2016-; Audi TT Coupe/Roadster 08> 2007-; Audi A3/S3/Sportb./qu. 08 2007-; Audi A3 Cab. 2.0 TDI 2007-2013; Audi A3 Sportback 2008-2013; Audi TTS Coupe 2.0 2010-2014; Audi RS3 Sportback 2011-2012; Audi Q3 quattro 2011-2015; Audi RSQ3 qu. 2.5 2013-2018; Audi Q3 2.0 TDI 2014-2019.