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Audi A3 Engine Thermostat Parts

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Water Pump Module

ES#3236064 - 77021089 - Water Pump Module - Includes the thermostat and gasket - Gates - Audi Volkswagen

Includes the thermostat and gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For TSI models without electrical connection on pump inlet (please inspect prior to ordering).

Brand:
Gates - Corporate Logo
ES#:
3236064
Mfg#:
77021089
Ships in 5 Business Days
$462.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Thermostat Housing Cover

ES#3553459 - 462-121-VR41E - Cast Aluminum Thermostat Housing Cover - Replace your inferior plastic housing cover - iABED Industries - Audi Volkswagen

Replace your inferior plastic housing cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iABED Industries - Corporate Logo
ES#:
3553459
Mfg#:
462-121-VR41E
Back Ordered
Auto Notify
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing with Thermostat

ES#4759992 - 06H121121L - Thermostat Housing with Thermostat - Complete assembly with OE temperature 95C thermostat 06H121113B - Bremmen Parts - Audi Volkswagen

Complete assembly with OE temperature 95C thermostat 06H121113B affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with CCTA engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759992
Mfg#:
06H121121L
In Stock
ON SALE! SAVE 22%
$20.99

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

$16.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#3149392 - 06H121113B - Thermostat - Keep your cooling system efficient - Rein - Audi Volkswagen

Keep your cooling system efficient 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#:
3149392
Mfg#:
06H121113B
In Stock
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4759987 - 03L121111AC - Thermostat - This also includes the thermostat housing - Bremmen Parts - Audi Volkswagen

This also includes the thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759987
Mfg#:
03L121111AC
In Stock
ON SALE! SAVE 21%
$63.99

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

$50.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2539277 - 06F121111F - Thermostat - Complete assembly including housing - Mahle-Behr - Audi Volkswagen

Complete assembly including housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only

Brand:
Mahle-Behr - Corporate Logo
ES#:
2539277
Mfg#:
06F121111F
Ships in 1 day
$70.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#281430 - 06H121113B - Thermostat - Keep your cooling system efficient - Genuine Volkswagen Audi - Audi Volkswagen

Keep your cooling system efficient affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with CCTA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281430
Mfg#:
06H121113B
In Stock
ON SALE!
$115.00

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

$112.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Allen/Hex Bolt - Priced Each

ES#6661 - N90945002 - Allen/Hex Bolt - Priced Each - Install new hardware with your new parts. M7x21.5mm - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x21.5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines - Secures the thermostat housing to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6661
Mfg#:
N90945002
In Stock
Limited Qty Sale
29% off MSRP

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

$8.49

This product was last offered at the strikethrough price on
01-03-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2681621 - 022121113 - Thermostat - Helps your engine regulate its temperature - Mahle-Behr - Audi Volkswagen

Helps your engine regulate its temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
2681621
Mfg#:
022121113
In Stock
$23.53

This product was last offered at the strikethrough price on
02-10-2026

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

Hard Coolant Pipe

ES#281153 - 06F121065H - Hard Coolant Pipe - Positioned between the thermostat and oil cooler - Genuine Volkswagen Audi - Audi Volkswagen

Positioned between the thermostat and oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281153
Mfg#:
06F121065H
Ships in 1 day
7% off MSRP

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

$176.99

This product was last offered at the strikethrough price on
02-26-2026

$164.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4489143 - 03L121111AM - Thermostat - This also includes the thermostat housing - Genuine Volkswagen Audi - Audi Volkswagen

This also includes the thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4489143
Mfg#:
03L121111AM
In Stock
7% off MSRP

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

$166.99

This product was last offered at the strikethrough price on
02-18-2026

$155.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

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#:
3675438
Mfg#:
06L121111LKT2KT
Ships in 1 day
$545.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Sealing O-Ring - Priced Each

ES#2606894 - WHT006407 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 20x3 - Genuine Volkswagen Audi - Audi Volkswagen

Install a new o-ring for a proper seal. 20x3 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Seals the hard coolant pipe to the thermostat housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2606894
Mfg#:
WHT006407
In Stock
27% off MSRP

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

$4.10

This product was last offered at the strikethrough price on
06-04-2026

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

Thermostat

ES#4643077 - 06L121111P - Thermostat - High-flow OE-style design for optimal engine cooling performance - URO - Audi Volkswagen Porsche

High-flow OE-style design for optimal engine cooling performance 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#:
4643077
Mfg#:
06L121111P
Back Ordered
$223.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Module

ES#3660661 - 06H121026DD - Water Pump Module - Includes the thermostat, temp sensor, belt, and gasket - Hepu - Audi Volkswagen

Includes the thermostat, temp sensor, belt, and gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For TSI models without electrical connection on pump inlet (please inspect prior to ordering).

Brand:
Hepu - Corporate Logo
ES#:
3660661
Mfg#:
06H121026DD
Ships on Jun 29, 2026
$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#2581848 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Elring - Audi Volkswagen

O-Ring between thermostat housing and cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2581848
Mfg#:
021121119A
In Stock
$4.17 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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