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Audi A4 Engine Cooling Parts

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Water Pump Belt

ES#281439 - 06H121605E - Water Pump Belt - Recommended to be replaced with the water pump - Genuine Volkswagen Audi - Audi Volkswagen

Recommended to be replaced with the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281439
Mfg#:
06H121605E
In Stock
22% off MSRP

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

$45.99

This product was last offered at the strikethrough price on
06-07-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Radiator

ES#2749270 - 8D0121251P - Coolant Radiator - Fix leaks and keep your cooling system efficient - Mahle-Behr - Audi Volkswagen

Fix leaks and keep your cooling system efficient affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
2749270
Mfg#:
8D0121251P
In Stock at Vendor
$222.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4143346 - 8W0121405L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Genuine Volkswagen Audi - Audi

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with CYMC Engine Code Only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4143346
Mfg#:
8W0121405L
Ships in 3 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.

$201.99

This product was last offered at the strikethrough price on
06-07-2026

$184.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler Gasket

ES#281533 - 06J117070C - Engine Oil Cooler Gasket - Connects oil cooler to oil filter housing - Genuine Volkswagen Audi - Audi Volkswagen

Connects oil cooler to oil filter housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281533
Mfg#:
06J117070C
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.

$23.18

This product was last offered at the strikethrough price on
06-07-2026

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

Expansion Tank Cap

ES#10026 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Vaico - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 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#:
10026
Mfg#:
3B0121321
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Hose

ES#4810591 - 8K0121051C - Water Pump Hose - Connects the lower radiator hose t-fitting to the water pump - Rein - Audi

Connects the lower radiator hose t-fitting to the water pump 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#:
4810591
Mfg#:
8K0121051C
Ships in 2 Business Days
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Mounting Bracket - Priced Each

ES#451163 - 8K0805201 - Lower Radiator Mounting Bracket - Priced Each - Support bracket that holds the bushings for the radiator - Genuine Volkswagen Audi - Audi

Support bracket that holds the bushings for the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451163
Mfg#:
8K0805201
Ships in 3 Business Days
10% off MSRP

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

$51.99

This product was last offered at the strikethrough price on
06-03-2026

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#3419928 - 8E1820031 - Heater Core - Stop coolant loss and cure a fogged windshield - Behr - Audi

Stop coolant loss and cure a fogged windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Behr - Corporate Logo
ES#:
3419928
Mfg#:
8E1820031
Ships in 1 Business Day
$92.99

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

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#544 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Mahle-Behr - Audi Volkswagen

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

Brand:
Mahle-Behr - Corporate Logo
ES#:
544
Mfg#:
050121113C
Ships in 1 Business Day
$24.99

This product was last offered at the strikethrough price on
05-21-2026

$24.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#467458 - N10124408 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the auxiliary pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467458
Mfg#:
N10124408
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3188209 - 8K0121251H - Radiator - Fix leaks and keep your cooling system efficient - Nissens - Audi

Fix leaks and keep your cooling system efficient We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
3188209
Mfg#:
8K0121251H
In Stock at Vendor
$209.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#4147305 - 30102029 - Universal 12" Electric Fan - Black - 1328 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

1328 CFM. High performance puller fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147305
Mfg#:
30102029
In Stock at Vendor
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Pipe

ES#4899501 - 06H121065D - Coolant Return Pipe - Connects the heater core hoses to the waterpump - Rein - Audi

Connects the heater core hoses to the waterpump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits up to the 2012 model year

Brand:
Rein - Corporate Logo
ES#:
4899501
Mfg#:
06H121065D
Back Ordered
Auto Notify
$36.99 USD
Free Shipping
on orders $49 and up

Cooling System Refresh Kit - Level 1

ES#3714283 - 06l121012akt2 - Cooling System Refresh Kit - Level 1 - This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware. - Genuine Volkswagen Audi - Audi

This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with engine code CYMC (model years through 2020)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3714283
Mfg#:
06L121012AKT2
Ships in 3 Business Days
$1031.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat

ES#3659357 - 06E121111M - Thermostat - Includes housing and gasket - URO - 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:
URO - Corporate Logo
ES#:
3659357
Mfg#:
06E121111M
Ships in 1 Business Day
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4830178
Mfg#:
8W0121405KKT
Ships in 5 Business Days
$1023.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

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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