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Audi A3 Engine Cooling Parts

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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.

Brand:
Vemo - Corporate Logo
ES#:
4690225
Mfg#:
06H121026DSKIT2
In Stock
$193.99 USD
Free Shipping
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

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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673926
Mfg#:
B8800084
In Stock
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

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.

Brand:
034Motorsport - Corporate Logo
ES#:
4810768
Mfg#:
034-102-Z048
In Stock
ON SALE! SAVE 10%
$31.00

This product was last offered at the strikethrough price on
06-28-2026

$27.90 USD
Free Shipping

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

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

Thermostat

ES#4671694 - 06L121111N - Thermostat - Includes housing and gasket - Genuine Volkswagen Audi - Audi Volkswagen

Includes housing and gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4671694
Mfg#:
06L121111N
In Stock
8% off MSRP

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

$536.87

This product was last offered at the strikethrough price on
07-19-2026

$494.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MK7/8V Silicone Coolant Hose Re-route Kit

ES#3638683 - 018193ECS02 - MK7/8V Silicone Coolant Hose Re-route Kit - Hide your coolant hose under your intake system for a cleaner appearance - ECS - Audi Volkswagen

Hide your coolant hose under your intake system for a cleaner appearance 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3638683
Mfg#:
018193ECS02
In Stock
ON SALE! SAVE 25%
$58.99

This product was last offered at the strikethrough price on
06-13-2026

$44.24 USD
Free Shipping
on orders $49 and up
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. 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#2598248 - 06H121605E - Water Pump Belt - Recommended to be replaced with the water pump - Febi - Audi Volkswagen

Recommended to be replaced with the water pump 2X Entries For Our 25th Anniversary Sweepstakes!
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

Water Pump Belt

ES#4818497 - 06K121605 - Water Pump Belt - Recommended to be replaced with the water pump - Bremmen Parts - Audi Volkswagen

Recommended to be replaced with the water pump 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818497
Mfg#:
06K121605
In Stock
ON SALE! SAVE 13%
$22.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy-Duty Aluminum Thermostat Cooling Hose Adapter (5Q0122291DA)

ES#4920775 - 054443la01KT - Heavy-Duty Aluminum Thermostat Cooling Hose Adapter (5Q0122291DA) - Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic! - ECS - Audi Volkswagen

Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic! 10X Entries For Our 25th Anniversary Sweepstakes!
Not for Vehicles with Engine Codes CYFB, DJJA, or DLRA

Brand:
ECS - Corporate Logo
ES#:
4920775
Mfg#:
054443LA01KT
In Stock
ON SALE! SAVE 20%
$104.99

This product was last offered at the strikethrough price on
06-13-2026

$83.99 USD
Free Shipping
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 For models without electrical connection on pump inlet (please inspect prior to ordering).

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4507241
Mfg#:
06H121026ED
Ships in 1 Business Day
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
07-19-2026

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

Cooling Fan Assembly

ES#4742861 - 1K0121205AJ-K - Cooling Fan Assembly - URO - Audi Volkswagen

2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4742861
Mfg#:
1K0121205AJ-K
Back Ordered
Auto Notify
$223.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit

ES#3499515 - 06H121026DDKT3 - Water Pump Kit - Includes a new Pierburg water pump, belt, thermostat/housing, union piece & hardware - Assembled By ECS - Audi Volkswagen

Includes a new Pierburg water pump, belt, thermostat/housing, union piece & hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3499515
Mfg#:
06H121026DDKT3
In Stock
$495.99

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

$376.99 USD
Free Shipping
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 2X Entries For Our 25th Anniversary Sweepstakes!
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 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 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%
$321.11

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

$248.83 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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