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Audi A4 Engine Thermostat Parts

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ES#2837068 - 06H121026CQ - Water Pump Module - Includes the thermostat and gasket - Original Equipment Supplier - Audi Volkswagen

Includes the thermostat and gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2837068
Mfg#:
06H121026CQ
Ships in 1-2 days
$202.00 USD
Free Shipping
ES#4159252 - 06H121026CQ - Water Pump Module - Includes the thermostat, temp sensor, and gasket - Hamburg Tech - Audi Volkswagen

Includes the thermostat, temp sensor, and gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4159252
Mfg#:
06H121026CQ
Ships in 1 Business Day
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2528895 - 06H121121L - Thermostat Housing - Plastic flange for the thermostat that connects to the water pump housing - Genuine Volkswagen Audi - Audi Volkswagen

Plastic flange for the thermostat that connects to the water pump housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Inzi water pumps

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2528895
Mfg#:
06H121121L
In Stock
Limited Qty Sale
$42.52

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#259720 - n90687101 - Spring Clamp - Priced Each - Install new hardware with your new parts. 32x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 32x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259720
Mfg#:
N90687101
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3138264 - 06E121111Gkt3 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3138264
Mfg#:
06E121111GKT3
Ships in 2 Business Days
ON SALE!
$94.50

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

$92.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4818842 - 1.8TJplug - Thermostat Housing J-Plug - Billet Aluminum - Strange coolant leak? It's possible you just need to upgrade your J-plug! - 40T Performance - Audi

Strange coolant leak? It's possible you just need to upgrade your J-plug! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
40T Performance - Corporate Logo
ES#:
4818842
Mfg#:
1.8TJPLUG
Ships in 5 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2802451 - N90380002 - O-Ring - Priced Each (24x3) - O-ring used in various areas on your European vehicle - Rein - Audi

O-ring used in various areas on your European vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
24x3 O-ring that is seated between the hard coolant pipe and thermostat housing

Brand:
Rein - Corporate Logo
ES#:
2802451
Mfg#:
N90380002
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2800267 - 06H121119E - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Ajusa - Audi Volkswagen

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

Brand:
Ajusa - Corporate Logo
ES#:
2800267
Mfg#:
06H121119E
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3690152 - 06h121113bkt6KT - Thermostat Replacement Kit  - Keep your cooling system efficient with a new thermostat, housing and o-ring - Genuine Volkswagen Audi - Audi

Keep your cooling system efficient with a new thermostat, housing and o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Inzi water pumps up to production date 6/3/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3690152
Mfg#:
06H121113BKT6KT
Ships in 2 Business Days
$176.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
ES#2762587 - 06E121111Gkt2 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2762587
Mfg#:
06E121111GKT2
Ships in 1-2 days
$167.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#281544 - 06J121113A - Thermostat - Keep your cooling system efficient with a new thermostat - Genuine Volkswagen Audi - Audi

Keep your cooling system efficient with a new thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles from production date 6/3/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281544
Mfg#:
06J121113A
Ships in 2 Business Days
7% off MSRP

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

$178.99

This product was last offered at the strikethrough price on
06-06-2026

$166.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2762250 - 06c121111ekt - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2762250
Mfg#:
06C121111EKT
Ships in 2 Business Days
$163.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#280791 - 06E121111G - Thermostat - Includes housing and gasket. - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280791
Mfg#:
06E121111G
Ships in 1-2 days
8% off MSRP

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

$168.99

This product was last offered at the strikethrough price on
06-06-2026

$154.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#280257 - 06C121111E - Thermostat Assembly - Housing included - Genuine Volkswagen Audi - Audi

Housing included affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280257
Mfg#:
06C121111E
Ships in 2 Business Days
8% off MSRP

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

$164.99

This product was last offered at the strikethrough price on
06-06-2026

$150.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2865688 - 030121121B - Thermostat Housing - Located on the water pump assembly - Febi - Audi Volkswagen

Located on the water pump assembly 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#:
2865688
Mfg#:
030121121B
In Stock
$9.22 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 Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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