United States
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Number 10 marks the part’s position in the exploded view.
Product overview
Genuine OEM Volkswagen Engine Thermostat, part number 03C121110P. This essential component is responsible for regulating the engine's operating temperature by controlling coolant flow. It ensures the engine reaches and maintains its optimal thermal range for efficiency and longevity. Weighing 0.091 kg, this thermostat provides precise temperature control. Choosing genuine OEM guarantees the correct opening and closing temperatures, ensuring proper engine thermal management and preventing overheating or undercooling.
Catalogue entry: COOLANT RG 105C-120C.
Fitted with: N10611201 SCREW, 03C121119 SEAL. RING.
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)
- 6.5 × 5.5 × 3.8 cm
- Shipping weight
- 0.09 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
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
42 vehiclesCoolant Regulator — locate 03C121110P Volkswagen Engine Thermostat | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly25
- 1Housing 03C121111T
- 2Cover 03C121121D
- 3Seal Ring 03C121119C
- 4Coolant Rg 03C121110Q
- 5Screw N10419702
- 8Cover 03C121118D
- 9Seal Ring 03C121119
- 12Sender 06A919501A
- 14Spring 032121142
- 15Seal Ring N90316801
- 17Seal 03C121119E
- 18Bolt N91097001
- 20Tank 1K0121407A
- 21Cover 3B0121321
- 22Seal Ring 1H0121687A
- 23Screw N90846602
- 24Part 811807577C
- 25Coolant Ad G012A8GM8
- 25Coolant Ad G012A8GM9
- 30Radiator 1K0121251BN
- 33Bracket 1K0121367G
- 34Bolt N90808201
- 35Bush 1K0121367F
- 36Radiator 1K0121253BB
- 37Bolt N90817003
Vehicle fitment table42
Europe (41)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Jetta 1.6 | 2014-2018 | 10 | 1 | ||
| Scirocco 2.0 | 2014-2017 | 10 | 1 | ||
| jetta | 2014-2017 | 10 | 1 | ||
| Yeti | 2013-2017 | 10 | 1 | ||
| superb | 2013-2015 | 10 | 1 | ||
| jetta | 2013-2014 | 10 | 1 | ||
| Altea XL Reference | 2013-2013 | 10 | 1 | ||
| Rapid | 2012-2022 | 10 | 1 | ||
| Toledo Reference | 2012-2015 | 10 | 1 | TU0 | |
| Tiguan 4Motion | 2011-2018 | 10 | 1 | TU0 | |
| Golf Cabriolet | 2011-2016 | 10 | 1 | TU0 | |
| Golf Plus | 2011-2014 | 10 | 1 | TU0 | |
| Golf | 2011-2013 | 10 | 1 | TU0 | |
| Passat saloon | 2010-2015 | 10 | 1 | TU0 | |
| Eos BlueMotion | 2010-2015 | 10 | 1 | TU0 | |
| Audi A1 Sportback | 2010-2015 | 10 | 1 | TU0 | |
| jetta | 2010-2014 | 10 | 1 | ||
| Altea XL Reference | 2010-2013 | 10 | 1 | ||
| Leon Stylance | 2010-2012 | 10 | 1 | ||
| golf estate | 2009-2013 | 10 | 1 | ||
| Yeti | 2009-2013 | 10 | 1 | ||
| Golf Plus 1.6 | 2009-2011 | 10 | 1 | TU0 | |
| Scirocco 2.0 | 2008-2014 | 10 | 1 | TU0 | |
| superb comfort | 2008-2013 | 10 | 1 | ||
| octavia ambiente | 2008-2013 | 10 | 1 | ||
| Audi A3 Sportback | 2008-2013 | 10 | 1 | TU0 | |
| golf 2.0 | 2008-2011 | 10 | 1 | TU0 | |
| passat estate | 2008-2011 | 10 | 1 | CAXA | TU0 |
| jetta | 2008-2011 | 10 | 1 | ||
| EOS 2.0 | 2008-2010 | 10 | 1 | TU0 | |
| GOLF VARIANT 07> | 2007- | 10 | 1 | ||
| GOLF PLUS 08> | 2007- | 10 | 1 | D4X | |
| Passat/4Motion 08 | 2007- | 10 | 1 | D4X | |
| TIGUAN 08> | 2007- | 10 | 1 | TU0 | |
| Audi A3/S3/Sportb./qu. 08 | 2007- | 10 | 1 | TU0 | |
| Audi A3 Cab. 2.0 TDI | 2007-2013 | 10 | 1 | TU0 | |
| EOS-Cabriolet-Coupe | 2006- | 10 | 1 | D4X | |
| ALTEA 07> | 2006- | 10 | 1 | ||
| JETTA 06> | 2005- | 10 | 1 | D4X | |
| LEON 06> | 2005- | 10 | 1 | ||
| TOLEDO 05> | 2004- | 10 | 1 |
Other markets (1)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Golf/Rabbit 08> | 2007- | 10 | 1 | D4X |
Diagrams & fitment data powered by oemdiagrams.com
03C121110P Volkswagen Engine Thermostat | Genuine OEM is fitted on: Jetta 1.6 2014-2018; Scirocco 2.0 2014-2017; jetta 2014-2017; Yeti 2013-2017; superb 2013-2015; jetta 2013-2014; Altea XL Reference 2013-2013; Rapid 2012-2022; Toledo Reference 2012-2015; Tiguan 4Motion 2011-2018; Golf Cabriolet 2011-2016; Golf Plus 2011-2014; Golf 2011-2013; Passat saloon 2010-2015; Eos BlueMotion 2010-2015; Audi A1 Sportback 2010-2015; jetta 2010-2014; Altea XL Reference 2010-2013; Leon Stylance 2010-2012; golf estate 2009-2013; Yeti 2009-2013; Golf Plus 1.6 2009-2011; Scirocco 2.0 2008-2014; superb comfort 2008-2013; octavia ambiente 2008-2013; Audi A3 Sportback 2008-2013; golf 2.0 2008-2011; passat estate 2008-2011; jetta 2008-2011; EOS 2.0 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-; ALTEA 07> 2006-; JETTA 06> 2005-; LEON 06> 2005-; TOLEDO 05> 2004-; Golf/Rabbit 08> 2007-.
