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Number 2 marks the part’s position in the exploded view.

Product overview

Genuine OEM Volkswagen Thermostat Housing, part number 03C121121D. This component is an integral part of the engine cooling system, designed to enclose and protect the thermostat. It directs coolant flow, ensuring the engine reaches and maintains its optimal operating temperature. Weighing approximately 0.06 kg and measuring 10 cm in length. A genuine OEM thermostat housing ensures proper sealing, correct coolant passage design, and resistance to thermal cycling, which is critical for preventing leaks and maintaining engine health.

Technical details

Category
Engine Cooling
Country of origin
Czech Republic
Customs (HS) code
90321080
Manufacturer
Volkswagen
Product Type
Genuine new auto parts
Shipping size (L × W × H)
10 × 8 × 5 cm
Shipping weight
0.06 kg

Parts diagram & fitment

81 vehicles

Cover For Thermostat — locate 03C121121D Volkswagen Thermostat Housing | Engine Cooling in the official exploded view and explore the surrounding assembly.

Parts in this assembly(48)
Compatible / alternative parts(12)

Diagrams & fitment data powered by oemdiagrams.com

03C121121D Volkswagen Thermostat Housing | Engine Cooling is fitted on: GOLF PLUS 05> 2005-; POLO 2005-; JETTA 06> 2005-; Golf/Rabbit 2005-2007; TOURAN 2005-2006; EOS-Cabriolet-Coupe 2006-; Polo Vivo 2017-; POLO CLASSIC "ZA"05> 2005-; JETTA 06> 2006-; GOLF VARIANT 07> 2007-; TOURAN 2006-; 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; EOS 2.0 2008-2010; passat estate 2008-2011; Polo 2008-2009; Touran 1.9 2008-2010; jetta 2008-2011; Polo 2009-2012; Polo 2009-2014; Polo 2010-2015; golf estate 2009-2013; Sharan Blue Motion 2010-2015; jetta 2010-2014; Touran 2.0 2010-2015; Polo Vivo 2010-2014; Passat saloon 2010-2015; Eos BlueMotion 2010-2015; 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; Sagitar 2011-; Polo 2012-2014; Polo 1.6 2013-2022; jetta 2013-2014; Jetta 1.4 2013-2015; Polo Vivo 2014-2017; Scirocco 2.0 2014-2017; jetta 2014-2017; Polo 2014-2022; Beetle 2016-2019; new beetle cabriolet 2016-2019; Jetta 1.6 2014-2018; Polo 1.6 2015-2020; TOLEDO 05> 2004-; LEON 06> 2005-; ALTEA 07> 2006-; Ibiza Reference 2008-2011; Leon Stylance 2010-2012; Altea XL Reference 2010-2013; Alhambra Stylance 2010-2013; Ibiza Reference 2011-2012; Toledo Reference 2012-2015; Ibiza Reference 2012-2012; Altea XL Reference 2013-2013; ROOMSTER 06> 2006-; FABIA/COMBI NF 07> 2006-; superb comfort 2008-2013; octavia ambiente 2008-2013; Yeti 2009-2013; Fabia Scout 2010-2014; Roomster 2010-2015; Fabia Ambiente 2009-2013; Rapid Ambition 2011-2021; Rapid 2012-2022; superb 2013-2015; Yeti 2013-2017; Audi A3/S3/Sportb./qu. 08 2007-; Audi A3 Cab. 2.0 TDI 2007-2013; Audi A3 Sportback 2008-2013; Audi A1 Sportback 2010-2015.