Thermostat

When it comes to the operation of your VW's engine, the thermostat plays an important role. The thermostat works to regulate the flow of coolant to and from your engine, and it will open or shut as needed to do so. There is a sensor in the thermostat that will open when your engine is warm and needs coolant, and your thermostat will shut to stop coolant as needed. Your engine has to be kept in the right temperature range for it to operate at peak performance. That's why keeping your thermostat in good condition is so important, and why you should replace it if you notice any signs of wear and tear. One key indicator of a problem with your thermostat is if your temperature gauge spikes into the red zone soon after starting your car - usually within the first fifteen minutes that your engine has been running. You might also notice temperature fluctuations as you run your vehicle. These are dramatic spikes and drops that will cause your engine to have problems running efficiently. You can also check to see if there is leaking coolant around your thermostat housing. Find an OEM thermostat for your VW here on our site when you need to make a replacement.

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Thermostat Unit
Part Number: 06L-121-111-M
Other Names: Thermostat, Engine Water Pump Housing, Thermostat Housing More Names
Replaces: 06L-121-111-F, 06L-121-111-G, 06L-121-111-H, 06L-121-111-J, 06L-121-111-K, 06L-121-111-L
Description: Beetle. Passat. 1.8L, main. 2.0L gas, main. Main, to 08/06/2018. Main, from 11/09/2017. Coupe, main, to 11/08/2017. PLEASE ORDER NEW... More Info
Notes: Includes Thermostat Housing & Seal. More Notes
Fits:
  • Volkswagen:
    • Arteon,
    • Atlas,
    • Beetle,
    • Golf,
    • Golf Alltrack,
    • Golf R,
    • Golf SportWagen,
    • GTI,
    • Jetta,
    • Passat,
    • Tiguan
  • 6 more
$280.00
$193.20
$280.00
$193.20
Thermostat Housing
Part Number: 021-121-121-C
Other Names: Thermostat Cover, Adapter More Names
Description: 2.8 LITER More Info
Notes: 4.0L Engine Includes Housing. More Notes
Fits:
  • Volkswagen:
    • Golf,
    • Jetta,
    • Passat
$54.60
$32.76
$54.60
$32.76
Thermostat Unit
Part Number: 03L-121-111-Q
Other Names: Thermostat Housing, Thermostat More Names
Description: PASSAT More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Volkswagen:
    • Passat
$98.33
$67.85
$98.33
$67.85
Thermostat Housing
Part Number: 059-121-111-R
Other Names: Thermostat More Names
Description: 3.0 LITER More Info
Notes: Includes Thermostat Gasket. More Notes
Fits:
  • Volkswagen:
    • Touareg
$66.67
$48.00
$66.67
$48.00
Thermostat Cover
Part Number: 078-121-121-K
Other Names: Thermostat Housing, Cover More Names
Description: 2.8 LITER More Info
Notes: 4.0L Engine Includes Housing. More Notes
Fits:
  • Volkswagen:
    • Passat
$138.33
$95.45
$138.33
$95.45
Thermostat Unit
Part Number: 07D-121-111-AP
Other Names: Thermostat More Names
Replaces: 07D-121-111-AK, 07D-121-111-R
Description: 6.0 LITER, MAIN More Info
Fits:
  • Volkswagen:
    • Phaeton
$461.67
$318.55
$461.67
$318.55
Thermostat Gasket
Part Number: 07K-121-119-A
Other Names: Thermostat Seal, Washer More Names
Description: COUPE, 2.5 LITER, FEED More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Golf,
    • Jetta,
    • Passat,
    • Rabbit
$11.36
$7.38
$11.36
$7.38
Thermostat Housing
Part Number: 022-121-121-E
Other Names: Thermostat Cover, Adapter More Names
Replaces: 021-121-121-D
Description: EUROVAN; 2.8L More Info
Fits:
  • Volkswagen:
    • Eos,
    • EuroVan,
    • Golf,
    • R32
$42.60
$27.69
$42.60
$27.69
Thermostat Housing
Part Number: 037-121-121-A
Other Names: Thermostat Outlet, Thermostat Cover, Adapter More Names
Description: GOLF, GTI; 2.0L More Info
Notes: 4.0L Engine Includes Housing. More Notes
Fits:
  • Volkswagen:
    • Cabrio,
    • Golf,
    • Jetta,
    • Passat
$28.20
$18.33
$28.20
$18.33
Thermostat Seal
Part Number: 038-121-119-B
Other Names: Housing Seal, Gasket, Thermostat Housing Seal, Thermostat O-Ring, Washer More Names
Description: 2.0 LITER, DIESEL More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Cabrio,
    • Cabriolet,
    • Corrado,
    • Fox,
    • Golf,
    • Jetta,
    • Passat,
    • Quantum,
    • Scirocco
  • 5 more
$4.02
$2.61
$4.02
$2.61
Thermostat Housing
Part Number: 03H-121-117-B
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Housing More Names
Description: CC More Info
Fits:
  • Volkswagen:
    • Atlas,
    • CC,
    • Passat,
    • Touareg
$111.67
$77.05
$111.67
$77.05
Thermostat Unit
Part Number: 04L-121-026-AE
Other Names: Thermostat Housing, Housing More Names
Replaces: 04L-121-026-F, 04L-121-026-Q
Description: GOLF SPORTWAGEN More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Golf,
    • Golf SportWagen,
    • Jetta,
    • Passat
$136.67
$94.30
$136.67
$94.30
Thermostat Unit
Part Number: 06E-121-111-AL
Other Names: Thermostat More Names
Replaces: 06E-121-111-AD
Description: TOUAREG HYBRID More Info
Fits:
  • Volkswagen:
    • Touareg
$55.80
$40.18
$55.80
$40.18
Thermostat Housing
Part Number: 06J-121-121
Other Names: Engine Coolant Thermostat Housing, Cover More Names
Description: TIGUAN More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • CC,
    • Eos,
    • Jetta,
    • Passat,
    • Tiguan,
    • Tiguan Limited
  • 1 more
$22.60
$14.69
$22.60
$14.69
Thermostat Housing
Part Number: 079-121-115-BK
Other Names: Thermostat More Names
Replaces: 079-121-115-BA, 079-121-115-BF, 079-121-115-N
Description: TOUAREG; 4.2L More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Touareg
$98.33
$67.85
$98.33
$67.85
Thermostat Housing
Part Number: 07Z-121-111
Other Names: Thermostat More Names
Description: TOUAREG; 5.0L TDI More Info
Notes: Included With Oil Filter Housing. More Notes
Fits:
  • Volkswagen:
    • Touareg
$331.67
$228.85
$331.67
$228.85
Thermostat Unit
Part Number: 7B0-121-111-B
Other Names: Thermostat Housing, Thermostat More Names
Replaces: 7B0-121-111, 7B0-121-111-A
Description: ROUTAN More Info
Notes: Includes Thermostat And Gasket. More Notes
Fits:
  • Volkswagen:
    • Routan
$24.00
$15.60
$24.00
$15.60
Thermostat Seal
Part Number: N-901-368-02
Other Names: Gasket, Thermostat Gasket, Thermostat Cover Seal, Seal Ring More Names
Description: 3.2 LITER, W/REAR SEAT HEATER More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Corrado,
    • Eos,
    • EuroVan,
    • Golf,
    • Jetta,
    • Passat,
    • Phaeton,
    • Quantum,
    • R32,
    • Touareg,
    • Vanagon
  • 6 more
$4.68
$3.04
$4.68
$3.04
Thermostat Housing
Part Number: 022-121-113
Other Names: Thermostat More Names
Description: TOUAREG; 3.2L More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Eos,
    • EuroVan,
    • Golf,
    • R32,
    • Touareg
$65.00
$46.80
$65.00
$46.80
Thermostat Cover
Part Number: 03H-121-121-D
Positions: Upper
Other Names: Cover, Thermostat Outlet, Engine Coolant Thermostat Housing More Names
Description: CC; FROM 8/2/10 More Info
Fits:
  • Volkswagen:
    • Atlas,
    • CC,
    • Passat,
    • Touareg
$39.80
$25.87
$39.80
$25.87
Thermostat Unit
Part Number: 06F-121-111-H
Other Names: Thermostat Housing, Thermostat More Names
Description: GOLF R More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Volkswagen:
    • Golf,
    • Golf R
$66.67
$48.00
$66.67
$48.00
Thermostat Housing
Part Number: 077-121-121-D
Other Names: Thermostat Cover, Cover More Names
Description: 4.2 LITER, FEED TO 11/06 More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Phaeton,
    • Touareg
$215.00
$148.35
$215.00
$148.35
Thermostat Cover
Part Number: 07K-121-121-B
Other Names: Thermostat Housing, Cover More Names
Description: COUPE, 2.5 LITER, FEED More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Golf,
    • Jetta,
    • Passat,
    • Rabbit
$46.80
$30.42
$46.80
$30.42
Thermostat Cover
Part Number: 03H-121-121-C
Other Names: Cover, Thermostat Housing, Thermostat Outlet More Names
Description: TOUAREG More Info
Fits:
  • Volkswagen:
    • CC,
    • Passat,
    • Touareg
$39.80
$25.87
$39.80
$25.87
Thermostat Housing
Part Number: 03L-121-111-AC
Other Names: Thermostat Unit, Thermostat More Names
Description: JETTA More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Golf,
    • Jetta
$90.00
$62.10
$90.00
$62.10
Thermostat Outlet
Part Number: 04E-121-121-L
Positions: Upper
Other Names: Thermostat Housing, Cover More Names
Replaces: 04E-121-121-E
Description: GOLF SPORTWAGEN; UPPER COVER More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Golf,
    • Golf SportWagen,
    • Jetta
$16.48
$10.71
$16.48
$10.71
Thermostat Unit
Part Number: 06F-121-111-F
Other Names: Thermostat, Thermostat Housing More Names
Description: EOS; 2.0L; W/TIMING BELT; INCLUDES THERMOSTAT. More Info
Fits:
  • Volkswagen:
    • Eos,
    • GTI,
    • Jetta,
    • Passat
$66.67
$48.00
$66.67
$48.00
Thermostat Cover
Part Number: 06H-121-121-L
Other Names: Thermostat Housing, Engine Coolant Thermostat Housing, Cover More Names
Replaces: 06H-121-121-K
Description: 2.0 LITER, MAIN More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • CC,
    • Eos,
    • GTI,
    • Jetta,
    • Passat,
    • Rabbit,
    • Tiguan,
    • Tiguan Limited
  • 4 more
$22.60
$14.69
$22.60
$14.69
Thermostat Housing
Part Number: 06K-121-121-E
Other Names: Thermostat Cover, Cover More Names
Description: 1.8 LITER, MAIN More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Jetta,
    • Passat
$42.80
$27.82
$42.80
$27.82
Thermostat Cover
Part Number: 07D-121-111-AB
Other Names: Thermostat Housing, Thermostat More Names
Replaces: 07D-121-111-L, 07D-121-111-Q
Description: 4.0 LITER More Info
Notes: 4.0L Engine Includes Housing. More Notes
Fits:
  • Volkswagen:
    • Passat
$663.33
$457.70
$663.33
$457.70
Thermostat Unit
Part Number: 357-820-295-B
Positions: Front
Other Names: Thermostat More Names
Replaces: 1H1-820-295, 357-820-295
Description: Front. More Info
Fits:
  • Volkswagen:
    • Cabrio,
    • EuroVan,
    • Golf,
    • Jetta
$425.00
$293.25
$425.00
$293.25
Thermostat Unit Gasket
Part Number: 06L-121-139-A
Other Names: Thermostat Unit Seal, Gasket, Thermostat Housing Gasket, Engine Water Pump Housing Gasket, Seal More Names
Replaces: 06L-121-139
Description: 1.8 LITER, MAIN More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Arteon,
    • Atlas,
    • Beetle,
    • Golf,
    • Golf Alltrack,
    • Golf R,
    • Golf SportWagen,
    • GTI,
    • Jetta,
    • Passat,
    • Tiguan
  • 6 more
$44.80
$29.12
$44.80
$29.12
Thermostat Cover Seal
Part Number: N-903-034-03
Positions: Inner
Other Names: Thermostat Cover Inner Seal, Thermostat Cover Washer, Washer More Names
Description: CONVERTIBLE, 2.5 LITER, FEED More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Golf,
    • Jetta,
    • Passat,
    • Rabbit
$5.34
$3.47
$5.34
$3.47
Engine Coolant Thermostat
Part Number: 06J-121-113-C
Other Names: Thermostat More Names
Description: 2009-16, MAIN, BEHR More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • CC,
    • Eos,
    • GTI,
    • Jetta,
    • Passat,
    • Tiguan,
    • Tiguan Limited
  • 2 more
$96.67
$66.70
$96.67
$66.70
Engine Coolant Thermostat
Part Number: 03H-121-113-E
Other Names: Thermostat More Names
Replaces: 03H-121-113-A, 03H-121-113-B
Description: 3.6 LITER More Info
Fits:
  • Volkswagen:
    • Atlas,
    • CC,
    • Passat,
    • Touareg
$68.33
$49.20
$68.33
$49.20
Thermostat Housing Gasket
Part Number: 04E-121-119-C
Other Names: Gasket, Thermostat Housing Seal, Washer More Names
Description: THERMOSTAT HOUSING GASKET; JETTA HYBRID More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Golf,
    • Golf SportWagen,
    • Jetta
$2.26
$1.47
$2.26
$1.47
Thermostat Upper Seal
Part Number: 04E-121-119-D
Other Names: Thermostat Gasket, Gasket, Seal More Names
Replaces: 04C-121-119-C
Description: JETTA HYBRID More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Golf,
    • Golf SportWagen,
    • Jetta
$0.94
$0.61
$0.94
$0.61
Thermostat Unit Seal
Part Number: 06B-121-119-B
Other Names: Thermostat Housing Seal, Gasket, Washer More Names
Description: 2012-14, MAIN More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Eos,
    • Golf,
    • Golf R,
    • GTI,
    • Jetta,
    • Passat
  • 2 more
$9.14
$5.94
$9.14
$5.94
Engine Coolant Thermostat
Part Number: 06H-121-113-B
Other Names: Thermostat More Names
Description: CC More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • CC,
    • Eos,
    • GTI,
    • Jetta,
    • Passat,
    • Rabbit,
    • Tiguan,
    • Tiguan Limited
  • 4 more
$65.00
$46.80
$65.00
$46.80
Thermostat Unit Bolt
Part Number: 06K-121-111-P
Other Names: Thermostat Unit, Thermostat, Thermostat Housing, Water Pump Assembly Bolt More Names
Replaces: 06K-121-111-M, 06K-121-111-N, 06K-121-441, 06K-121-513-B
Description: 1.8 LITER, MAIN More Info
Notes: Included With Thermostat Unit. Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Jetta,
    • Passat
$256.67
$177.10
$256.67
$177.10
Thermostat Housing Gasket
Part Number: 06K-121-139
Other Names: Thermostat Housing Seal, Thermostat Unit Gasket, Washer More Names
Description: 2014-17, MAIN More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Jetta
$4.50
$2.93
$4.50
$2.93
Thermostat Cover Bolt
Part Number: N-905-330-05
Other Names: Thermostat Outlet Bolt, Bolt More Names
Replaces: N-905-330-02
Description: 3.6 LITER, MAIN, TO 07/2010 More Info
Fits:
  • Volkswagen:
    • Eos,
    • Touareg
$1.36
$0.88
$1.36
$0.88
Engine Coolant Thermostat Gasket
Part Number: 06J-121-119-B
Other Names: Gasket, Thermostat Cover Seal, Thermostat Housing Seal, Seal Ring More Names
Replaces: 06J-121-119-A
Description: TIGUAN More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • CC,
    • Eos,
    • GTI,
    • Jetta,
    • Passat,
    • Rabbit,
    • Tiguan,
    • Tiguan Limited
  • 3 more
$5.58
$3.63
$5.58
$3.63
Thermostat Outlet O-Ring
Part Number: WHT-000-863
Other Names: Thermostat Seal, Gasket, Thermostat Cover Seal, Engine Coolant Thermostat Gasket, Engine Coolant Thermostat Seal, Washer More Names
Description: CC More Info
Fits:
  • Volkswagen:
    • Atlas,
    • CC,
    • Passat,
    • Touareg
$4.46
$2.90
$4.46
$2.90
Thermostat Unit O-Ring
Part Number: WHT-004-973
Other Names: Engine Coolant Thermostat Housing O-Ring, Seal Ring More Names
Description: 1.8 LITER, MAIN More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Atlas,
    • Beetle,
    • Golf,
    • Golf Alltrack,
    • Golf R,
    • Golf SportWagen,
    • GTI,
    • Jetta,
    • Passat,
    • Tiguan
  • 5 more
$1.06
$0.69
$1.06
$0.69
Thermostat Cover O-Ring
Part Number: 06H-121-119-E
Other Names: Thermostat Cover Seal, Gasket, Thermostat Housing Seal, Engine Coolant Thermostat Gasket, Seal Ring More Names
Description: CC More Info
Notes: Included With Thermostat Housing. Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • CC,
    • Eos,
    • GTI,
    • Jetta,
    • Passat,
    • Rabbit,
    • Tiguan,
    • Tiguan Limited
  • 4 more
$5.58
$3.63
$5.58
$3.63
Engine Coolant Thermostat Housing Bolt
Part Number: WHT-004-972
Other Names: Thermostat Housing Bolt, Water Pump Assembly Bolt, Engine Water Pump Bolt, Screw More Names
Description: MAIN More Info
Notes: Included With Thermostat Housing. Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Tiguan
$0.82
$0.53
$0.82
$0.53
Engine Coolant Thermostat Housing Seal
Part Number: WHT-005-190
Positions: Outer
Other Names: Thermostat Housing Seal, Thermostat Unit Seal, Thermostat Housing O-Ring, Thermostat Cover Outer Seal, Thermostat Cover Seal, Engine... More Names
Replaces: 032-121-665-A
Description: 3.6 LITER More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Atlas,
    • Beetle,
    • CC,
    • Golf,
    • Jetta,
    • Passat,
    • Rabbit,
    • Touareg
  • 3 more
$7.58
$4.93
$7.58
$4.93
Thermostat
Part Number: 03H-121-113-D
Replaces: 03H-121-113
Description: CC More Info
Fits:
  • Volkswagen:
    • CC,
    • Passat,
    • Touareg
$65.00
$46.80
$65.00
$46.80
Thermostat
Part Number: 044-121-113
Replaces: 056-121-113-D
Description: GOLF, GTI; 2.0L More Info
Fits:
  • Volkswagen:
    • Beetle,
    • Cabrio,
    • Cabriolet,
    • Corrado,
    • Fox,
    • Golf,
    • Jetta,
    • Passat,
    • Quantum,
    • Rabbit,
    • Scirocco,
    • Vanagon
  • 7 more
$48.40
$31.46
$48.40
$31.46

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