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Volkswagen Jetta Engine Thermostat Parts

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Thermostat Housing

ES#2878277 - 03L121121A - Thermostat Housing - Common point of failure or leaking for the cooling system - Vaico - Volkswagen

Common point of failure or leaking for the cooling system We Price Match - Give Us A Call or Chat!
For vehicles with BRM engine code only

Brand:
Vaico - Corporate Logo
ES#:
2878277
Mfg#:
03L121121A
Ships in 1-2 days
$17.99

This product was last offered at the strikethrough price on
08-13-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer - Priced Each

ES#2770178 - N01152426 - Washer - Priced Each - Install new hardware with your new parts. 6.4x12x1.6 - ECS - Audi Volkswagen

Install new hardware with your new parts. 6.4x12x1.6 10X Entries Into Our F80 M3 Sweepstakes

Used to secure thermostat housing, three required

Brand:
ECS - Corporate Logo
ES#:
2770178
Mfg#:
N01152426
In Stock
ON SALE! SAVE 50%
$1.99

This product was last offered at the strikethrough price on
05-02-2026

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Cover

ES#3190079 - 902-951 - Thermostat Housing Cover - Covers the thermostat, located on the coolant flange - Dorman - Volkswagen

Covers the thermostat, located on the coolant flange

Brand:
Dorman - Corporate Logo
ES#:
3190079
Mfg#:
902-951
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87°C

ES#2084648 - 044121113 - Thermostat - 87C - Keep your car running at the proper temperature. - Meyle - Audi Volkswagen

Keep your car running at the proper temperature. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2084648
Mfg#:
044121113
Ships on Sep 23, 2026
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Cover

ES#2812861 - 021121121C - Thermostat Housing Cover - Common source of coolant leaks around your thermostat - Hamburg Tech - Volkswagen

Common source of coolant leaks around your thermostat We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812861
Mfg#:
021121121C
Ships in 1 Business Day
ON SALE! SAVE 10%
$16.99

This product was last offered at the strikethrough price on
09-03-2026

$15.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#2801213 - N10139201 - O-Ring - Priced Each - O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 - Meistersatz - Audi Volkswagen

O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55

Brand:
Meistersatz - Corporate Logo
ES#:
2801213
Mfg#:
N10139201
In Stock at Vendor
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#4034832 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Elring - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4034832
Mfg#:
038121119B
Ships in 2 Business Days
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#285951 - 07K121119A - Thermostat O-Ring - Recommended to be replaced when replacing a thermostat. 63x3mm - Genuine Volkswagen Audi - Volkswagen

Recommended to be replaced when replacing a thermostat. 63x3mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285951
Mfg#:
07K121119A
Ships in 1 Business Day
63% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$18.99

This product was last offered at the strikethrough price on
05-07-2026

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#2813093 - 075121113D - Thermostat - 80C - Includes sealing O-Ring - Hamburg Tech - Audi Volkswagen

Includes sealing O-Ring We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813093
Mfg#:
075121113D
Ships in 1 Business Day
ON SALE! SAVE 10%
$14.99

This product was last offered at the strikethrough price on
09-03-2026

$13.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#2801096 - 056121113A - Thermostat - 80C - Cooler than stock temperature - Meistersatz - Volkswagen

Cooler than stock temperature

Brand:
Meistersatz - Corporate Logo
ES#:
2801096
Mfg#:
056121113A
Ships in 3 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#3970027 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear - Meyle - Audi Volkswagen

Prevent overheating and premature engine wear 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970027
Mfg#:
050121113C
Ships on Sep 24, 2026
Auto Notify
$12.29 USD
Free Shipping
on orders $49 and up

Thermostat O-Ring

ES#2663233 - 06B121119C - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 56x3 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 56x3 For vehicles with CBEA or CJAA engine code only, gasket seals both sides of the thermostat housing together

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2663233
Mfg#:
06B121119C
Ships in 2 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2586934 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Rein - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with BRM engine code only

Brand:
Rein - Corporate Logo
ES#:
2586934
Mfg#:
032121142
Ships in 3 Business Days
ON SALE! SAVE 22%
$4.99

This product was last offered at the strikethrough price on
08-31-2026

$3.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87°C

ES#3149395 - 044121113 - Thermostat - 87C - Keep your car running at the proper temperature. Includes o-ring - Rein - Audi Volkswagen

Keep your car running at the proper temperature. Includes o-ring 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149395
Mfg#:
044121113
Back Ordered
ON SALE!
$11.99

This product was last offered at the strikethrough price on
08-31-2026

$11.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Thermostat Housing

ES#4818181 - 04E121121A - Coolant Thermostat Housing - Thermostat is used but not included - URO - Volkswagen

Thermostat is used but not included 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4818181
Mfg#:
04E121121A
Ships in 1 Business Day
$12.99

This product was last offered at the strikethrough price on
08-31-2026

$10.99 USD
Free Shipping
on orders $49 and up

Thermostat (87°C)

ES#1891980 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear - 050121113C - MTC - Audi Volkswagen

Prevent overheating and premature engine wear - 050121113C

Brand:
MTC - Corporate Logo
ES#:
1891980
Mfg#:
050121113C
Ships in 9 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

Let us help you find the parts that fit your Volkswagen

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