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Audi 90 FWD V6

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Audi 90 FWD V6 Engine Thermostat Parts

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Thermostat Housing (Aluminum)

ES#3659371 - 078121121J - Thermostat Housing (Aluminum) - Aluminum design - Located on the front right of the engine block - URO - Audi Volkswagen

Aluminum design - Located on the front right of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3659371
Mfg#:
078121121J
In Stock
$155.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

ES#1892327 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Mahle-Behr - Audi Volkswagen

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
1892327
Mfg#:
078121113F
In Stock
$28.99

This product was last offered at the strikethrough price on
04-09-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Temp Thermostat - 70 Degree C

ES#4858162 - 034-102-7005 - Low Temp Thermostat - 70 Degree C - Get faster coolant circulation through the radiator for cooler running. - 034Motorsport - Audi Volkswagen

Get faster coolant circulation through the radiator for cooler running. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858162
Mfg#:
034-102-7005
In Stock
$51.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

ES#2598454 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Vaico - Audi Volkswagen

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598454
Mfg#:
078121113F
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Temp Thermostat - 80 Degree C

ES#4858161 - 034-102-7001 - Low Temp Thermostat - 80 Degree C - Get faster coolant circulation through the radiator for cooler running. - 034Motorsport - Audi Volkswagen

Get faster coolant circulation through the radiator for cooler running. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858161
Mfg#:
034-102-7001
Back Ordered
$51.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3618081 - 078121121J - Thermostat Housing - Located on the front right of the engine block - URO - Audi Volkswagen

Located on the front right of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3618081
Mfg#:
078121121J
Ships in 1 Business Day
$170.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87�C

ES#2894961 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Vemo - Audi Volkswagen

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2894961
Mfg#:
078121113F
In Stock at Vendor
$29.99

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

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

ES#1500 - 078121113F - Thermostat - 87C - Includes sealing O-Ring - Wahler - Audi Volkswagen

Includes sealing O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
1500
Mfg#:
078121113F
Ships on Jul 7, 2026
$27.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

ES#4810572 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Rein - Audi Volkswagen

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810572
Mfg#:
078121113F
Ships in 3 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87�C

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3139067
Mfg#:
078121113FOE
Ships in 1 day
$15.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87�C

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3234891
Mfg#:
078121113F
Ships on Jul 1, 2026
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

ES#616 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Meyle - Audi Volkswagen

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
616
Mfg#:
078121113F
Special Order: No Guaranteed ETA
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940301
Mfg#:
078121113F
Special Order: No Guaranteed ETA
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ON SALE! SAVE 18%
$16.99

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

$13.86 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.

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