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Audi A4 Engine Cooling Parts

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Auxiliary Fan Switch (75-82°C) - 3 Pin

ES#5396123 - 1009597517 - Auxiliary Fan Switch (75-82C) - 3 Pin - Located on the lower side of the radiator - Meyle - Audi Volkswagen

Located on the lower side of the radiator 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Meyle - Corporate Logo
ES#:
5396123
Mfg#:
1009597517
Ships in 6 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#4772996 - 8E0121049L - Radiator Hose - Lower - Connects the lower radiator port to the expansion tank and thermostat housing - Bremmen Parts - Audi

Connects the lower radiator port to the expansion tank and thermostat housing 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772996
Mfg#:
8E0121049L
Ships in 1-2 days
ON SALE! SAVE 30%
$89.99

This product was last offered at the strikethrough price on
07-03-2026

$63.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2992206 - 06J121113A - Thermostat - Keep your cooling system efficient with a new thermostat - Mahle - Audi

Keep your cooling system efficient with a new thermostat For vehicles from production date 6/3/2012

Brand:
Mahle - Corporate Logo
ES#:
2992206
Mfg#:
06J121113A
In Stock at Vendor
$64.99

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

$62.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Air Guide - Left

ES#436214 - 8E0121283AC - Radiator Air Guide - Left - Attaches to radiator to direct air - Genuine Volkswagen Audi - Audi

Attaches to radiator to direct air For vehicles with S-Line bumpers

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436214
Mfg#:
8E0121283AC
Ships in 9 Business Days
9% off MSRP

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

$68.99

This product was last offered at the strikethrough price on
07-30-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2535890 - 06E121005FMY - Water Pump - Includes gasket and features a metal impeller - Meyle - Audi Volkswagen

Includes gasket and features a metal impeller 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2535890
Mfg#:
06E121005FMY
Ships on Dec 10, 2026
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

Common source of undiscoverable coolant leaks We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3988406
Mfg#:
028117021K
Back Ordered
$64.99

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

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#2845038 - 06L121043B - Water Pump Gasket - Gasket between the thermostat and water pump - Genuine Volkswagen Audi - Audi Volkswagen

Gasket between the thermostat and water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2845038
Mfg#:
06L121043B
Ships in 3 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3235887 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Gates - Audi Volkswagen

Connects the upper radiator port to the hard water pipe

Brand:
Gates - Corporate Logo
ES#:
3235887
Mfg#:
8D0121101K
Ships on Aug 20, 2026
$62.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#2812900 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - Hamburg Tech - Audi Volkswagen

Common source of undiscoverable coolant leaks We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812900
Mfg#:
028117021E
Ships in 2 Business Days
$61.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Air Guide - Right

ES#436225 - 8E0121284AD - Radiator Air Guide - Right - Attaches to radiator to direct air - Genuine Volkswagen Audi - Audi

Attaches to radiator to direct air For automatic transmission vehicles with the S-Line bumper

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436225
Mfg#:
8E0121284AD
Ships in 4 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.

$66.99

This product was last offered at the strikethrough price on
07-30-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4901335 - 8W0121405L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Meyle - Audi

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For Vehicles with CYMC Engine Code Only

Brand:
Meyle - Corporate Logo
ES#:
4901335
Mfg#:
8W0121405L
Ships on Nov 20, 2026
Auto Notify
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2763564 - 06J121113A - Thermostat - Keep your cooling system efficient with a new thermostat - Vaico - Audi

Keep your cooling system efficient with a new thermostat We Price Match - Give Us A Call or Chat!
For vehicles from production date 6/3/2012

Brand:
Vaico - Corporate Logo
ES#:
2763564
Mfg#:
06J121113A
Back Ordered
$63.99

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

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Hardware Kit

ES#3141664 - N0102228kt - Water Pump Hardware Kit - Complete hardware kit for replacing the water pump - Assembled By ECS - Audi

Complete hardware kit for replacing the water pump 10X Entries For Our 25th Anniversary Sweepstakes!
AEB & ATW engine code

Brand:
Assembled By ECS - Corporate Logo
ES#:
3141664
Mfg#:
N0102228KT
Ships in 3 Business Days
ON SALE! SAVE 27%
$83.99

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

$61.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#4165021 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - URO - Audi Volkswagen

Common source of undiscoverable coolant leaks 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4165021
Mfg#:
028117021E
Ships in 2 Business Days
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3189293 - 603-638 - Coolant Expansion Tank - Plastic reservoir for cooling system - Dorman - Audi

Plastic reservoir for cooling system

Brand:
Dorman - Corporate Logo
ES#:
3189293
Mfg#:
603-638
Ships in 5 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3449093 - 06L121012A - Water Pump - Includes gasket and hardware - Graf - Audi Volkswagen

Includes gasket and hardware

Brand:
Graf - Corporate Logo
ES#:
3449093
Mfg#:
06L121012A
In Stock at Vendor
$60.99

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

$59.99 USD
Free Shipping
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.

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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