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Audi A4 Engine Thermostat Parts

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Thermostat O-Ring

Create a leak-free seal between the thermostat and the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Elring - Corporate Logo
ES#:
5340852
Mfg#:
06J121119B
Special Order: No Guaranteed ETA
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

Ensure a proper seal when installing your new thermostat. 50x3.5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Elring - Corporate Logo
ES#:
5340952
Mfg#:
06B121119B
Special Order: No Guaranteed ETA
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

Ensure a proper seal when installing your new thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Elring - Corporate Logo
ES#:
5340689
Mfg#:
N90136802
Special Order: No Guaranteed ETA
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (88°C)

ES#3234567 - 050121113ckt10KT - Thermostat (88C) - Prevent overheating and premature engine wear - Febi - 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:
Febi - Corporate Logo
ES#:
3234567
Mfg#:
050121113CKT10KT
Ships on Sep 2, 2026
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#2582081 - 06B121111K - Thermostat Assembly - Includes housing, gasket & sensor - Vemo Q+ - Audi

Includes housing, gasket & sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo Q+ - Corporate Logo
ES#:
2582081
Mfg#:
06B121111K
Special Order: No Guaranteed ETA
$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi - Engine/Cooling

ES#4900589 - 06B121111K - Audi - Engine/Cooling - Meyle - Audi

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#:
4900589
Mfg#:
06B121111K
Special Order: No Guaranteed ETA
$100.99 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!
Up to VIN 8D-X-315000, split is in the 1999 model year

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

ES#3202800 - 06E121111G - Thermostat - Includes housing and gasket. - Meyle - Audi

Includes housing and gasket. 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#:
3202800
Mfg#:
06E121111G
Special Order: No Guaranteed ETA
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92�C

ES#3478145 - 078121113G - Thermostat - 92C - Includes sealing O-Ring - Meyle - Audi Volkswagen

Includes sealing O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From VIN 8D-X-315001, split is in the 1999 model year

Brand:
Meyle - Corporate Logo
ES#:
3478145
Mfg#:
078121113G
Special Order: No Guaranteed ETA
$13.99 USD
Free Shipping
on orders $49 and up

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

Thermostat Assembly

Includes housing, gasket & sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SMP - Corporate Logo
ES#:
4070681
Mfg#:
06B121111K
Back Ordered
$135.99

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

$132.99 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. Includes O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vernet - Corporate Logo
ES#:
4674381
Mfg#:
050121113C
Back Ordered
$12.99 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.

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