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Number 20 marks the part’s position in the exploded view.
Product overview
Genuine OEM Volkswagen Expansion Tank, part number 6Q0121407B. This part is a crucial component of the engine cooling system, responsible for holding excess coolant and maintaining system pressure. It is typically made of durable plastic. Genuine OEM parts are manufactured to precise specifications, ensuring correct fitment and long-term durability.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 18.5 × 18 × 15.5 cm
- Shipping weight
- 0.26 kg
Parts diagram & fitment
47 vehiclesReservoir — locate 6Q0121407B Volkswagen Expansion Tank | Engine Cooling in the official exploded view and explore the surrounding assembly.
Superseded by 6Q0121407D — the later replacement part.
This part is marked discontinued by the manufacturer; contact us to check current availability.
Parts in this assembly(41)
- 1Water Pump 03D121005
- 1Water Pump 03D121005X
- 2Water Pipe 03D121065B
- 2Water Pipe 03E121065A
- 3Hose 6Q0121073AP
- 3Hose 6Y0122157B
- 4Hose 6Q0121109BN
- 4Hose 6Y0121109F
- 5Spring 03C121142
- 6Spring 1J0121142
- 7Hose 6Q0121157S
- 7Hose 6Y0122073B
- 8Cover 1J0121321B
- 10Pulley 03D121028B
- 11Seal Ring 032121665A
- 12Seal Ring 03C121666
- 13Seal Ring 1H0121687A
- 14Part 6Y0121086F
- 15Hose 6Q0122101BE
- 16Coupl Piece 6Q0122291E
- 17Coupl Piece 6Q0122291F
- 19Part 811807577C
- 21Clamp N90686701
- 22Screw N90339605
- 23Clamp N90686901
- 24Clamp N90687001
- 25Screw N90544203
- 26Clamp N90687201
- 27Seal Ring N90765301
- 28Bolt N90847201
- 29CoolantLeftG013A8JM1
- 29CoolantLeftG013A8JM8
- 29CoolantLeftG013A8JM9
- 30Bracket 6Q0121120E
- 30ADbl Clip N10574901
- 31Screw N10226101
- 32Collar Nut N01508213
- 33Bolt N91044801
- 34Water Pipe 6Q0121065N
- 35ScrewLeftN01472613
- 36Seal Ring N90890501
Compatible / alternative parts(2)
Diagrams & fitment data powered by oemdiagrams.com
6Q0121407B Volkswagen Expansion Tank | Engine Cooling is fitted on: POLO 2001-2005; POLO-BRASIL 2002-2006; POLO LIM.(SEDAN) "BR" 2002-2006; FOX M.05> 2005-; POLO HATCH "BR."07> 2006-; POLO SEDAN "BR."07> 2006-; 06A platform; POLO CLASSIC "ZA"03>05 2003-2005; POLO 2005-; POLO CLASSIC "ZA"05> 2005-; POLO JIN QIN "CN"06> 2006-; POLO JIN QV "CN"06> 2006-; Polo 2008-2009; Polo 2009-2012; Polo 2009-2014; Polo 2010-2015; Polo Vivo 2010-2014; New Polo (SVW) 2010-2019; Polo 2012-2014; Polo 1.6 2013-2022; Polo 1.4 BlueMotion 2014-2017; Polo Vivo 2014-2017; Polo 2014-2022; Polo 1.6 2015-2020; Ameo 1,0 2016-2020; FABIA/COMBI 1999-2004; FABIA/COMBI 05> 2004-; ROOMSTER 06> 2006-; FABIA/COMBI NF 07> 2006-; Fabia Jingrui 2008-2014; Fabia Scout 2010-2014; Roomster 2010-2015; Fabia Ambiente 2009-2013; Rapid Ambition 2011-2021; Rapid 2012-2022; fabia 2014-2022; IBIZA 2001-2005; CORDOBA/SE241 2002-2005; IBIZA 06> 2005-; Ibiza Reference 2008-2011; Ibiza Reference 2011-2012; Toledo Reference 2012-2015; Ibiza Reference 2012-2012; Ibiza Stylance 2015-; Toledo Reference 2015-2019; Audi A1 Sportback 2010-2015; Audi A1 Sportback 2014-2018.
