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, 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
$252.00
$166.02
$252.00
$166.02
Thermostat Housing
Part Number: 021-121-117-A
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Housing More Names
Description: 6 cylinder. More Info
Fits:
  • Volkswagen:
    • Corrado,
    • EuroVan,
    • Golf,
    • Jetta,
    • Passat
$71.67
$52.46
$71.67
$52.46
Thermostat Cover
Part Number: 03H-121-121-C
Other Names: Cover, Thermostat Housing, Thermostat Outlet More Names
Description: Touareg. Passat. CC. To 8/1/10. 3.6L, main, to 07/2010. More Info
Fits:
  • Volkswagen:
    • CC,
    • Passat,
    • Touareg
$41.80
$27.17
$41.80
$27.17
Thermostat Housing
Part Number: 03L-121-111-AC
Other Names: Thermostat Unit, Engine Coolant Thermostat Kit, Thermostat More Names
Description: Jetta wagon. Beetle. Golf. Diesel. 2013-14. 2011-14. Wagon, 2010-11, 2.0L. Incl.Gasket,Housing and Thermostat. More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Golf,
    • Jetta
$100.00
$73.20
$100.00
$73.20
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. 1.4L. Upper cover. More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Golf,
    • Golf SportWagen,
    • Jetta
$16.98
$11.04
$16.98
$11.04
Thermostat Unit
Part Number: 06F-121-111-F
Other Names: Thermostat, Thermostat Housing More Names
Description: Passat. Jetta. Eos. GTI. 2007-08. 2006-08. 2.0L, gas, main. With timing belt. Includes thermostat. More Info
Fits:
  • Volkswagen:
    • Eos,
    • GTI,
    • Jetta,
    • Passat
$73.33
$53.68
$73.33
$53.68
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: Tiguan Limited. Jetta wagon. Beetle. Eos. GTI. CC. Ulev. 2009-10. 2.0L, main. To 10/31/11. Vendor:INZI. 2009-16, main. From 11/1/11.... More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • CC,
    • Eos,
    • GTI,
    • Jetta,
    • Passat,
    • Rabbit,
    • Tiguan,
    • Tiguan Limited
  • 4 more
$23.80
$15.47
$23.80
$15.47
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: Passat. 4.0L. More Info
Notes: 4.0L Engine Includes Housing. More Notes
Fits:
  • Volkswagen:
    • Passat
$683.33
$500.20
$683.33
$500.20
Thermostat Housing
Part Number: 07K-121-117-C
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Housing More Names
Description: Beetle. Jetta. Coupe, 2.5L, feed. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Jetta,
    • Rabbit
$73.33
$53.68
$73.33
$53.68
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
$470.00
$344.04
$470.00
$344.04
Thermostat Housing
Part Number: 021-121-121-C
Positions: Upper
Other Names: Thermostat Cover, Adapter, Engine Coolant Thermostat Housing More Names
Description: Golf, GTI, R32. Passat. Jetta. 2.8L. Sedan. Old style. More Info
Notes: 4.0L Engine Includes Housing. More Notes
Fits:
  • Volkswagen:
    • Golf,
    • Jetta,
    • Passat
$57.40
$35.01
$57.40
$35.01
Thermostat Unit
Part Number: 03L-121-111-Q
Other Names: Thermostat Housing, Thermostat More Names
Description: Passat. 2012-14, main. More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Volkswagen:
    • Passat
$101.67
$74.42
$101.67
$74.42
Thermostat Housing
Part Number: 059-121-111-R
Other Names: Thermostat More Names
Description: Touareg. 3.0L. 2011-12. More Info
Notes: Includes Thermostat Gasket. More Notes
Fits:
  • Volkswagen:
    • Touareg
$70.00
$51.24
$70.00
$51.24
Thermostat Cover
Part Number: 078-121-121-K
Other Names: Thermostat Housing, Cover More Names
Description: Passat. 2.8L. New style. More Info
Notes: 4.0L Engine Includes Housing. More Notes
Fits:
  • Volkswagen:
    • Passat
$148.33
$108.58
$148.33
$108.58
Thermostat Unit
Part Number: 07D-121-111-AP
Other Names: Thermostat More Names
Replaces: 07D-121-111-AK, 07D-121-111-R
Description: 6.0L, main. More Info
Fits:
  • Volkswagen:
    • Phaeton
$476.67
$348.92
$476.67
$348.92
Thermostat Gasket
Part Number: 07K-121-119-A
Other Names: Thermostat Seal, Washer More Names
Description: Wagon, 2.5L. Sedan, 2.5L. Convertible, 2.5L, feed. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Golf,
    • Jetta,
    • Passat,
    • Rabbit
$11.70
$7.61
$11.70
$7.61
Thermostat Housing
Part Number: 022-121-117-C
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Housing More Names
Replaces: 021-121-117-B
Description: Eos. R32. 3.2L. 2.8L. More Info
Fits:
  • Volkswagen:
    • Eos,
    • EuroVan,
    • Golf,
    • Jetta,
    • R32
$93.33
$68.32
$93.33
$68.32
Thermostat Housing
Part Number: 03H-121-117-A
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Housing More Names
Description: Touareg. CC. To 8/1/10. 3.6L, main, to 07/2010. More Info
Fits:
  • Volkswagen:
    • CC,
    • Passat,
    • Touareg
$116.67
$85.40
$116.67
$85.40
Thermostat Cover
Part Number: 03H-121-121-D
Other Names: Cover, Thermostat Outlet More Names
Description: Touareg. Passat. Atlas. CC. From 8/2/10. 3.6L, main, from 08/2010. More Info
Fits:
  • Volkswagen:
    • Atlas,
    • CC,
    • Passat,
    • Touareg
$41.80
$27.17
$41.80
$27.17
Thermostat Housing
Part Number: 055-121-121-F
Other Names: Engine Coolant Thermostat Housing, Adapter More Names
Description: Golf, GTI, Jetta. Corrado, Passat. Cabriolet. Scirocco. Quantum. 4 cylinder. More Info
Fits:
  • Volkswagen:
    • Cabriolet,
    • Corrado,
    • Golf,
    • Jetta,
    • Passat,
    • Quantum,
    • Scirocco
  • 2 more
$23.20
$15.08
$23.20
$15.08
Thermostat Unit
Part Number: 06F-121-111-H
Other Names: Thermostat Housing, Thermostat More Names
Description: Golf R. Gas. More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Volkswagen:
    • Golf,
    • Golf R
$70.00
$51.24
$70.00
$51.24
Thermostat Housing
Part Number: 077-121-121-D
Other Names: Thermostat Cover, Cover More Names
Description: Phaeton. Touareg. 4.2l, 6.0l. 4.2L, feed to 11/06. More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Phaeton,
    • Touareg
$221.67
$162.26
$221.67
$162.26
Thermostat Cover
Part Number: 07K-121-121-B
Other Names: Thermostat Housing, Cover More Names
Description: Jetta wagon. Passat. Rabbit. Beetle. Golf. Wagon, 2.5L. Convertible, 2.5L, feed. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Golf,
    • Jetta,
    • Passat,
    • Rabbit
$49.20
$31.98
$49.20
$31.98
Thermostat Housing
Part Number: 022-121-121-E
Positions: Upper
Other Names: Thermostat Cover, Engine Coolant Thermostat Housing, Adapter More Names
Replaces: 021-121-121-D
Description: EuroVan. R32. 2.8l. 3.2L. 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: Engine Coolant Thermostat Housing, Thermostat Outlet, Thermostat Cover, Adapter More Names
Description: Golf, GTI, R32. Cabrio. Passat. Jetta. 2.0l. 1.9l tdi. 4 cylinder. More Info
Notes: 4.0L Engine Includes Housing. More Notes
Fits:
  • Volkswagen:
    • Cabrio,
    • Golf,
    • Jetta,
    • Passat
$29.80
$19.37
$29.80
$19.37
Thermostat Housing
Part Number: 038-121-121
Other Names: Cover, Engine Coolant Thermostat Housing, Adapter More Names
Description: Golf, GTI, R32. Beetle. Jetta. 1.9l tdi. 1.9l diesel. 1.9L, with 90 horsepower. More Info
Fits:
  • Volkswagen:
    • Beetle,
    • Golf,
    • Jetta
$13.88
$9.02
$13.88
$9.02
Housing
Part Number: 04L-121-026-AH
Other Names: Thermostat Housing, Housing More Names
Replaces: 04L-121-026-AE, 04L-121-026-F, 04L-121-026-Q
Description: Golf SportWagen. Passat. 2015, main. 2.0L diesel, main. More Info
Notes: Includes Thermostat. More Notes
$135.00
$98.82
$135.00
$98.82
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
$40.85
$55.80
$40.85
Thermostat Housing
Part Number: 06J-121-121
Other Names: Engine Coolant Thermostat Housing, Cover More Names
Description: Tiguan. CC. Vendor:BEHR. 2012-13, main. 2.0L, gas, from vin 1k9109651, usa, california. More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • CC,
    • Eos,
    • Jetta,
    • Passat,
    • Tiguan,
    • Tiguan Limited
  • 1 more
$23.80
$15.47
$23.80
$15.47
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, main from 12/06. More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Touareg
$101.67
$74.42
$101.67
$74.42
Thermostat Housing
Part Number: 07Z-121-111
Other Names: Thermostat More Names
Description: Touareg. 5.0l tdi. 5.0L, feed. More Info
Notes: Included With Oil Filter Housing. More Notes
Fits:
  • Volkswagen:
    • Touareg
$341.67
$250.10
$341.67
$250.10
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. 3.6L. More Info
Notes: Includes Thermostat And Gasket. More Notes
Fits:
  • Volkswagen:
    • Routan
$27.23
$21.24
$27.23
$21.24
Thermostat Housing Gasket
Part Number: 021-121-119-A
Other Names: Engine Coolant Thermostat Housing Gasket, Gasket More Names
Description: 3.2L. 2.8L. More Info
Fits:
  • Volkswagen:
    • Corrado,
    • Eos,
    • EuroVan,
    • Golf,
    • Jetta,
    • Passat,
    • R32,
    • Touareg
  • 3 more
$8.48
$5.51
$8.48
$5.51
Thermostat Cover Seal
Part Number: N-903-034-03
Positions: Inner
Other Names: Thermostat Cover Inner Seal, Thermostat Cover Washer, Washer More Names
Description: Wagon, 2.5L. Convertible, 2.5L, feed. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Golf,
    • Jetta,
    • Passat,
    • Rabbit
$5.50
$3.58
$5.50
$3.58
Engine Coolant Thermostat
Part Number: 044-121-113
Other Names: Thermostat More Names
Replaces: 056-121-113-D
Description: Corrado, Passat. Golf, GTI, Jetta. Golf, GTI, R32. Cabriolet. Scirocco. Quantum. Vanagon. Rabbit. Beetle. Fox. Gas. 1.9l tdi. 1.8l,... More Info
Fits:
  • Volkswagen:
    • Beetle,
    • Cabrio,
    • Cabriolet,
    • Corrado,
    • Fox,
    • Golf,
    • Jetta,
    • Passat,
    • Quantum,
    • Rabbit,
    • Scirocco,
    • Vanagon
  • 7 more
$50.00
$32.50
$50.00
$32.50
Engine Coolant Thermostat
Part Number: 069-121-113
Other Names: Thermostat More Names
Description: EuroVan. More Info
Fits:
  • Volkswagen:
    • EuroVan,
    • Quantum
$68.33
$50.02
$68.33
$50.02
Engine Coolant Thermostat
Part Number: 06J-121-113-A
Other Names: Thermostat More Names
Description: Passat. Vendor:BEHR. For Use With Water Pump 06J 121 026 G. 2.0L, gas, from vin 1k9109651, usa, california. More Info
Fits:
  • Volkswagen:
    • CC,
    • Eos,
    • Jetta,
    • Passat,
    • Tiguan
$100.00
$73.20
$100.00
$73.20
Thermostat Housing Bolt
Part Number: N-904-121-01
Positions: Lower
Other Names: Engine Coolant Thermostat Housing Bolt, Bolt More Names
Description: 3.2L, lower. More Info
Fits:
  • Volkswagen:
    • Eos
$1.92
$1.25
$1.92
$1.25
Engine Coolant Thermostat
Part Number: 022-121-113
Other Names: Thermostat, Thermostat Housing More Names
Description: Golf, GTI, R32. Touareg. Eos. 2.8l. From Chassis/VIN 70-2-097 001. 3.2L, without rear seat heater. More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Eos,
    • EuroVan,
    • Golf,
    • R32,
    • Touareg
$68.33
$50.02
$68.33
$50.02
Thermostat Housing Gasket
Part Number: 04E-121-119-C
Other Names: Gasket, Thermostat Housing Seal, Washer More Names
Description: Golf SportWagen. Jetta Hybrid. 1.4L. To thermostat. Without hybrid. Thermostat housing gasket. More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Golf,
    • Golf SportWagen,
    • Jetta
$2.98
$1.94
$2.98
$1.94
Thermostat Upper Seal
Part Number: 04E-121-119-D
Other Names: Thermostat Gasket, Gasket, Seal More Names
Replaces: 04C-121-119-C
Description: Golf SportWagen. Jetta Hybrid. 1.4L. Without 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, Engine Coolant Thermostat Housing Gasket, Gasket, Washer More Names
Description: Golf R. O-Ring. Diesel. 2013-14. 2007-08. 2006-08. 2012-14, main. Sedan, 2011-14. 2.0L, gas, main. Wagon, 2010-11, 2.0L. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Eos,
    • Golf,
    • Golf R,
    • GTI,
    • Jetta,
    • Passat
  • 2 more
$9.42
$6.12
$9.42
$6.12
Engine Coolant Thermostat
Part Number: 06H-121-113-B
Other Names: Thermostat More Names
Description: Tiguan Limited. Jetta wagon. Beetle. GTI. Eos. CC. Ulev. 2009-10. 2.0L, main. Vendor:INZI. 2012-13, main. 2009, federal. 2009-16, 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
$68.33
$50.02
$68.33
$50.02
Thermostat Unit Bolt
Part Number: 06K-121-111-P
Other Names: Thermostat Unit, Thermostat, Thermostat Housing, Water Pump Assembly Bolt, Engine Water Pump Housing More Names
Replaces: 06K-121-111-M, 06K-121-111-N, 06K-121-441, 06K-121-513-B
Description: Passat. Beetle. 1.8L, main. 2014-17, main. 2.0L gas, main. Vin code s or t, main. Incl.Engine Coolant Thermostat Gasket,Housing and... More Info
Notes: Included With Thermostat Unit. Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Jetta,
    • Passat
$265.00
$193.98
$265.00
$193.98
Engine Coolant Thermostat
Part Number: 075-121-113-D
Other Names: Thermostat More Names
Description: Golf, GTI, R32. EuroVan. Passat. Jetta. 2.8L. More Info
Fits:
  • Volkswagen:
    • Corrado,
    • EuroVan,
    • Golf,
    • Jetta,
    • Passat
$55.60
$33.92
$55.60
$33.92
Engine Coolant Thermostat
Part Number: 04L-121-113-D
Other Names: Thermostat More Names
Description: Vendor:geiger. 2.0L diesel, main, geiger. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Volkswagen:
    • Golf,
    • Golf SportWagen
$39.40
$25.61
$39.40
$25.61
Engine Coolant Thermostat
Part Number: 06J-121-113-C
Other Names: Thermostat More Names
Description: Tiguan. GTI. CC. Ulev. Vendor:BEHR. From 06/01/2012. 2009-16, main, behr. For Use With Water Pump 06J 121 026 L. More Info
Notes: Included With Water Pump Assembly. More Notes
Fits:
  • Volkswagen:
    • CC,
    • Eos,
    • GTI,
    • Jetta,
    • Passat,
    • Tiguan,
    • Tiguan Limited
  • 2 more
$100.00
$73.20
$100.00
$73.20
Engine Coolant Thermostat
Part Number: 06K-121-113-G
Other Names: Thermostat More Names
Replaces: 06K-121-113-E
Description: Beetle. Jetta. 1.8L, main, to 08/23/2015. 1.8L, main, from 08/24/2015. 2014-17, main, to 08/23/2015. 2014-17, main, from 08/24/2015. Vin... More Info
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Volkswagen:
    • Beetle,
    • Jetta,
    • Passat
$81.67
$59.78
$81.67
$59.78

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