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Audi A3 Engine Cooling Parts

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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
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
10-23-2026

$438.67 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. 2X Entries Into Our F80 M3 Sweepstakes

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

High Performance Aluminum MQB Radiator

ES#3672016 - 7084 - High Performance Aluminum MQB Radiator - Ultra-efficient dual-core, triple-pass radiator. Cooler engine temps mean more power and longer life of engine components. - CSF - Audi Volkswagen

Ultra-efficient dual-core, triple-pass radiator. Cooler engine temps mean more power and longer life of engine components. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
3672016
Mfg#:
7084
In Stock
$699.00 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 Into Our F80 M3 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

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 Into Our F80 M3 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

EAC Temperature Sensor

ES#4883976 - 8P4965873A - EAC Temperature Sensor - Found on the back side of the radiator - URO - Audi Volkswagen

Found on the back side of the radiator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4883976
Mfg#:
8P4965873A
In Stock
$209.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#4151260 - 1K0122051GN - Radiator Hose - Lower - Connects the lower radiator port to the water pump housing - Rein - Audi Volkswagen

Connects the lower radiator port to the water pump housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151260
Mfg#:
1K0122051GN
In Stock
$105.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G13 Coolant - 1.5 Liter (Concentrate)

ES#2748899 - G013A8JM1 - G13 Coolant - 1.5 Liter (Concentrate) - Lilac Pentofrost OE specification lifetime coolant. - Pentosin - Audi Volkswagen Mercedes Benz Porsche

Lilac Pentofrost OE specification lifetime coolant.

Brand:
Pentosin - Corporate Logo
ES#:
2748899
Mfg#:
G013A8JM1
In Stock
$20.99 USD
Free Shipping
on orders $49 and up

CSF OE Replacement Radiator

ES#5388646 - 3922 - CSF OE Replacement Radiator - Standard replacement radiator - CSF - Audi Volkswagen

Standard replacement radiator 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
5388646
Mfg#:
3922
In Stock
$159.99 USD
Free Shipping
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 Into Our F80 M3 Sweepstakes
Not for Vehicles with Engine Codes CYFB, DJJA, or DLRA

Brand:
ECS - Corporate Logo
ES#:
4920775
Mfg#:
054443LA01KT
Ships in 2 Business Days
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 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 We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
3448166
Mfg#:
06K121605
Ships in 1-2 days
$39.99 USD
Free Shipping
on orders $49 and up
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! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4351838
Mfg#:
06J121065F
In Stock
$30.15 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 Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4742861
Mfg#:
1K0121205AJ-K
In Stock
$223.99 USD
Free Shipping
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

Brand:
Hella - Corporate Logo
ES#:
3141421
Mfg#:
G013A8J1G
Ships on Apr 6, 2027
$32.99 USD
Free Shipping
on orders $49 and up

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 Into Our F80 M3 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

Engine Oil Cooler

ES#4818487 - 06J117021J - Engine Oil Cooler - Lowers engine oil temperature - Bremmen Parts - Audi Volkswagen

Lowers engine oil temperature 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818487
Mfg#:
06J117021J
In Stock
ON SALE! SAVE 21%
$74.99

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

$59.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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.

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