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Audi A3 Engine Cooling Parts

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034Motorsport Billet Coolant Vent Union

ES#4810768 - 034-102-Z048 - 034Motorsport Billet Coolant Vent Union - Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines. - 034Motorsport - Audi Volkswagen

Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4810768
Mfg#:
034-102-Z048
In Stock
$31.00 USD
Free Shipping

Cast Aluminum Thermostat Housing Kit

ES#3553466 - 462-121-vr-24vKT - Cast Aluminum Thermostat Housing Kit - Replace your inferior plastic housings - iABED Industries - Audi Volkswagen

Replace your inferior plastic housings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Modification to water pipe may be required. Please see description for details.

Brand:
iABED Industries - Corporate Logo
ES#:
3553466
Mfg#:
462-121-VR-24VKT
Back Ordered
Auto Notify
$251.99

This product was last offered at the strikethrough price on
04-16-2026

$250.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#315603 - 1K0198251CS - Radiator - Keep your engine running cool with a new radiator - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running cool with a new radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315603
Mfg#:
1K0198251CS
Ships in 3 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.

$794.99

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

$740.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator / Cooling System Pressure Tester

ES#3673926 - B8800084 - Radiator / Cooling System Pressure Tester - Testing if your cooling system holds pressure via the expansion tank/radiator cap will ensure there are no leaks once the system is filled - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Testing if your cooling system holds pressure via the expansion tank/radiator cap will ensure there are no leaks once the system is filled affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673926
Mfg#:
B8800084
Ships on Jun 19, 2026
Auto Notify
ON SALE! SAVE 15%
$146.99

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

$124.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G13 Coolant - 1 Gallon (3.78 Liters)

ES#3141421 - G013A8J1G - G13 Coolant - 1 Gallon (3.78 Liters) - Lilac OE specification lifetime coolant - Hella - Audi Volkswagen

Lilac OE specification lifetime coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hella - Corporate Logo
ES#:
3141421
Mfg#:
G013A8J1G
In Stock
$32.99 USD
Free Shipping
on orders $49 and up

Thermostat/Water Pump Kit

ES#4039367 - 06L121111H - Thermostat/Water Pump Kit - Includes thermostat, water pump, gasket, and belt. Made in Germany! - Vemo - Audi Volkswagen

Includes thermostat, water pump, gasket, and belt. Made in Germany! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4039367
Mfg#:
06L121111H
Ships on Sep 29, 2026
$376.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Module

ES#4507241 - 06H121026ED - Water Pump Module - Includes the thermostat, temp sensor, and gasket - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4507241
Mfg#:
06H121026ED
In Stock
14% off MSRP

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

$507.49

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

$438.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#2598248 - 06H121605E - Water Pump Belt - Recommended to be replaced with the water pump - Febi - Audi Volkswagen

Recommended to be replaced with the water pump 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#:
2598248
Mfg#:
06H121605E
In Stock
$30.99

This product was last offered at the strikethrough price on
03-27-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Aluminum Water Pump Kit

ES#4690225 - 06H121026DSKIT2 - Upgraded Aluminum Water Pump Kit - Includes a new water pump, belt, aluminum thermostat/housing, temperature sensor, union piece & hardware. - Vemo - Audi Volkswagen

Includes a new water pump, belt, aluminum thermostat/housing, temperature sensor, union piece & hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4690225
Mfg#:
06H121026DSKIT2
In Stock
$193.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Module

ES#3194789 - 06H121026DD - Water Pump Module - Includes the thermostat. Coolant temp sensor and gasket sold separately. - Pierburg - Audi Volkswagen

Includes the thermostat. Coolant temp sensor and gasket sold separately. 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:
Pierburg - Corporate Logo
ES#:
3194789
Mfg#:
06H121026DD
In Stock
$448.99

This product was last offered at the strikethrough price on
05-20-2026

$328.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#3448166 - 06K121605 - Water Pump Belt - Recommended to be replaced with the water pump - Continental - Audi Volkswagen

Recommended to be replaced with the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
3448166
Mfg#:
06K121605
In Stock
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Primary Fan Assembly - 360mm

ES#4376377 - 1K0 959 455FR - Primary Fan Assembly - 360mm - Larger of the two cooling fans found behind the radiator - URO - Audi Volkswagen

Larger of the two cooling fans found behind the radiator 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#:
4376377
Mfg#:
1K0 959 455FR
In Stock
$122.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

Water Pump

ES#2129933 - 06F121011 - Water Pump - Featuring a metal impeller - Geba - Audi Volkswagen

Featuring a metal impeller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only

Brand:
Geba - Corporate Logo
ES#:
2129933
Mfg#:
06F121011
In Stock
$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Upgraded Aluminum

ES#4351838 - 06J121065F - Coolant Pipe - Upgraded Aluminum - Connects water pump to cylinder head coolant flange. Lifetime warranty! - URO Premium - Audi Volkswagen

Connects water pump to cylinder head coolant flange. Lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
URO Premium - Corporate Logo
ES#:
4351838
Mfg#:
06J121065F
In Stock
$29.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit with Coolant

ES#4765652 - 06J121026NKT2 - Water Pump Kit with Coolant - Includes a new water pump, belt, thermostat/housing, aluminum union piece & hardware, and G13 coolant - Assembled By ECS - Audi Volkswagen

Includes a new water pump, belt, thermostat/housing, aluminum union piece & hardware, and G13 coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For TSI models without electrical connection on pump inlet (please inspect prior to ordering).

Brand:
Assembled By ECS - Corporate Logo
ES#:
4765652
Mfg#:
06J121026NKT2
In Stock
ON SALE! SAVE 23%
$327.80

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

$251.85 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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