United States
Product overview
Genuine OEM Audi Coolant Regulator, part number 03G121113. This essential component, often referred to as a thermostat, precisely controls the flow of engine coolant to ensure the engine reaches and maintains its optimal operating temperature. It opens and closes based on coolant temperature, directing flow through the radiator as needed. Using a genuine OEM coolant regulator ensures accurate temperature calibration and reliable operation, critical for engine efficiency and longevity.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 90321080
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 5.6 × 5.4 × 5.4 cm
- Shipping weight
- 0.06 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
42 vehiclesCoolant Regulator — locate 03G121113 Audi Coolant Regulator | Engine Temperature Control in the official exploded view and explore the surrounding assembly.
Parts in this assembly22
- 1Pump 038121011K
- 1Pump 038121011KX
- 1Pump 045121011HX
- 1Pump 06B121011H
- 1Pump 06B121011LX
- 1Pump 06B121011MX
- 1Pump 045121011H
- 1Pump 06B121011L
- 2Seal Ring 038121119
- 2Seal Ring 045121119A
- 2Seal Ring 06B121119D
- 3BoltLeftN90945001
- 3PartRightN90945002
- 6Coolant Rg 044121113
- 6Coolant Rg 050121113C
- 7Seal Ring 038121119B
- 8Connection 038121121D
- 8Connection 06A121121C
- 9Connection 03G121121D
- 10Sender 06A919501A
- 11Seal Ring N90316801
- 12Spring 032121142
Vehicle fitment table42
Europe (39)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Altea XL Reference | 2010-2013 | 6 | 1 | BKD | D3X |
| Leon Stylance | 2010-2012 | 6 | 1 | BKD | D3X |
| golf estate | 2009-2013 | 13 | 1 | ||
| Yeti | 2009-2013 | 13 | 1 | ||
| Golf Plus 1.6 | 2009-2011 | 13 | 1 | TU3 | |
| Jetta Vagon 08> | 2008- | 6 | 1 | ||
| Scirocco 2.0 | 2008-2014 | 13 | 1 | TG3 | |
| Audi A3 Sportback | 2008-2013 | 6 | 1 | CBAA,CBAB, | TG3 |
| superb comfort | 2008-2013 | 13, 6 | 1 | CBBB | TG3 |
| octavia ambiente | 2008-2013 | 13 | 1 | AZV,BKD | D3X |
| Passat CC | 2008-2012 | 13 | 1 | TG3 | |
| golf 2.0 | 2008-2011 | 13 | 1 | TG3 | |
| passat estate | 2008-2011 | 13 | 1 | BMA,BKP,BUZ, | |
| jetta | 2008-2011 | 13 | 1 | ||
| EOS 2.0 | 2008-2010 | 13 | 1 | TG3 | |
| Touran 1.9 | 2008-2010 | 6 | 1 | BKD,AZV,BMN | TN0 |
| GOLF VARIANT 07> | 2007- | 6 | 1 | BKD,AZV,BMN | |
| GOLF PLUS 08> | 2007- | 6 | 1 | AZV,BKD | T9G |
| Passat/4Motion 08 | 2007- | 6 | 1 | BM | |
| TIGUAN 08> | 2007- | 13 | 1 | TG3 | |
| Audi TT Coupe/Roadster 08> | 2007- | 6 | 1 | TG3 | |
| Audi A3/S3/Sportb./qu. 08 | 2007- | 6 | 1 | BKD,AZV,BMN, | |
| Audi A3 Cab. 2.0 TDI | 2007-2013 | 13 | 1 | TG3 | |
| JETTA 06> | 2006- | 6, 13 | 1 | BMN | |
| TOURAN | 2006- | 6 | 1 | BKD,AZV,BMN | TN0 |
| ALTEA 07> | 2006- | 13, 6 | 1 | ||
| GOLF PLUS 05> | 2005- | 6 | 1 | BKD,AZV,BEE | T9G |
| JETTA 06> | 2005- | 6 | 1 | BKD,AZV | |
| LEON 06> | 2005- | 13, 6 | 1 | ||
| Audi A4/S4/Av./qu. 05> | 2005- | 6 | 1 | BN | A,B |
| Passat/4Motion | 2005-2007 | 6 | 1 | BMA,BKP,BVE, | |
| Audi A3/S3/quattro | 2005-2007 | 6 | 1 | BKD,AZV,BMN, | |
| TOURAN | 2005-2006 | 6 | 1 | BKD,AZV,BMN | |
| TOLEDO 05> | 2004- | 6 | 1 | BKD,AZV,BMN | |
| Audi A6/S6/Avant/qu. 05> | 2004- | 6 | 1 | TB3 | |
| OCTAVIA/COMBI/4X4 04> | 2004- | 6 | 1 | AZV,BKD,BMN, | |
| ALTEA | 2004-2006 | 6 | 1 | BKD,AZV,BMN | |
| TOURAN | 2003-2005 | 6 | 1 | AZV,BKD | T9G |
| GOLF | 2003-2005 | 6 | 1 | BKD,AZV | D3X |
Other markets (3)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Golf/Rabbit 08> | 2007- | 6 | 1 | BKD,AZV,BMN | |
| Jetta "USA"05> | 2005- | 6 | 1 | ||
| Golf/Rabbit | 2005-2007 | 6 | 1 | BKD,AZV,BMN |
Diagrams & fitment data powered by oemdiagrams.com
03G121113 Audi Coolant Regulator | Engine Temperature Control is fitted on: Altea XL Reference 2010-2013; Leon Stylance 2010-2012; golf estate 2009-2013; Yeti 2009-2013; Golf Plus 1.6 2009-2011; Jetta Vagon 08> 2008-; 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; passat estate 2008-2011; jetta 2008-2011; EOS 2.0 2008-2010; Touran 1.9 2008-2010; GOLF VARIANT 07> 2007-; GOLF PLUS 08> 2007-; Passat/4Motion 08 2007-; TIGUAN 08> 2007-; Audi TT Coupe/Roadster 08> 2007-; Audi A3/S3/Sportb./qu. 08 2007-; Audi A3 Cab. 2.0 TDI 2007-2013; JETTA 06> 2006-; TOURAN 2006-; ALTEA 07> 2006-; GOLF PLUS 05> 2005-; JETTA 06> 2005-; LEON 06> 2005-; Audi A4/S4/Av./qu. 05> 2005-; Passat/4Motion 2005-2007; Audi A3/S3/quattro 2005-2007; TOURAN 2005-2006; TOLEDO 05> 2004-; Audi A6/S6/Avant/qu. 05> 2004-; OCTAVIA/COMBI/4X4 04> 2004-; ALTEA 2004-2006; TOURAN 2003-2005; GOLF 2003-2005; Golf/Rabbit 08> 2007-; Jetta "USA"05> 2005-; Golf/Rabbit 2005-2007.
