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Product overview

Genuine OEM Volkswagen Coolant Regulator Housing With Thermostat, part number 03L121111AE. This assembly is critical for regulating the engine's coolant temperature by controlling the flow of coolant through the radiator. It houses the thermostat, which opens and closes based on coolant temperature. Located within the engine cooling system, this component ensures the engine operates at its optimal temperature range. Genuine OEM parts guarantee the correct thermostat calibration and housing seal for reliable engine performance.

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)
16 × 12.5 × 12 cm
Shipping weight
0.29 kg

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

40 vehicles

Housing — locate 03L121111AE 03L111AE Volkswagen Coolant Regulator Housing | Genuine OE in the official exploded view and explore the surrounding assembly.

This part is marked discontinued by the manufacturer (since 2022-01-01); contact us to check current availability.

Parts in this assembly8
Vehicle fitment table40

Europe (39)

VehicleYearsPos.QtyRemarkPR
caddy kombi2015-2020211TP4
Audi Q3 2.0 TDI2014-2019101
jetta2014-2017211
Yeti2013-2017311
superb2013-2015211CFFB,CFGB
Altea XL Reference2013-2013311
Ibiza Reference2012-2012311
Tiguan 4Motion2011-2018211TL4
new beetle2011-2016311
new beetle cabriolet2011-2016211
Passat CC2011-2016211
Audi Q3 quattro2011-2015101TL4
Golf Plus2011-2014311TP4
Golf2011-2013211CLCA,CFFA,CF
Ibiza Reference2011-2012311TP4
Sharan Blue Motion2010-201551
Caddy Maxi Kombi2010-2015211CFHF,
Touran 2.02010-2015211TP4
Passat saloon2010-2015211
Eos BlueMotion2010-2015211
jetta2010-201421, 811
Audi TTS Coupe 2.02010-2014311TL4
Altea XL Reference2010-2013311TP4
Alhambra Stylance2010-201351TL4
Leon Stylance2010-2012311TP4
jetta variant2009-201431, 811
golf estate2009-201331, 81
Yeti2009-2013311
Golf Plus 1.62009-2011311TP4
Scirocco 2.02008-2014311
Audi A3 Sportback2008-201311CFFA,CFFB,CF
superb comfort2008-2013311CFFB,CFGBCL
octavia ambiente2008-2013311TP4
Passat CC2008-2012211
golf 2.02008-2011311CFFA,CFFB,CL
jetta2008-2011311
Ibiza Reference2008-2011311TP4
TIGUAN 08>2007-311TL4
Audi A3 Cab. 2.0 TDI2007-201311CFFA,CFFBTL4

Other markets (1)

VehicleYearsPos.QtyRemarkPR
New Passat2011-2015211

Diagrams & fitment data powered by oemdiagrams.com

03L121111AE 03L111AE Volkswagen Coolant Regulator Housing | Genuine OE is fitted on: caddy kombi 2015-2020; Audi Q3 2.0 TDI 2014-2019; jetta 2014-2017; Yeti 2013-2017; superb 2013-2015; Altea XL Reference 2013-2013; Ibiza Reference 2012-2012; Tiguan 4Motion 2011-2018; new beetle 2011-2016; new beetle cabriolet 2011-2016; Passat CC 2011-2016; Audi Q3 quattro 2011-2015; Golf Plus 2011-2014; Golf 2011-2013; Ibiza Reference 2011-2012; Sharan Blue Motion 2010-2015; Caddy Maxi Kombi 2010-2015; Touran 2.0 2010-2015; Passat saloon 2010-2015; Eos BlueMotion 2010-2015; jetta 2010-2014; Audi TTS Coupe 2.0 2010-2014; Altea XL Reference 2010-2013; Alhambra Stylance 2010-2013; Leon Stylance 2010-2012; jetta variant 2009-2014; golf estate 2009-2013; Yeti 2009-2013; Golf Plus 1.6 2009-2011; Scirocco 2.0 2008-2014; Audi A3 Sportback 2008-2013; superb comfort 2008-2013; octavia ambiente 2008-2013; Passat CC 2008-2012; golf 2.0 2008-2011; jetta 2008-2011; Ibiza Reference 2008-2011; TIGUAN 08> 2007-; Audi A3 Cab. 2.0 TDI 2007-2013; New Passat 2011-2015.

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