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Audi A4 Engine Cooling Parts

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Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock at Vendor
$599.99 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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810591
Mfg#:
8K0121051C
Ships in 1 Business Day
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Replacement Kit

ES#4017762 - CHS0645 - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Rein - Audi Volkswagen

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with AEB & ATW engine codes with D-shaped coolant temp sensor

Brand:
Rein - Corporate Logo
ES#:
4017762
Mfg#:
CHS0645
Back Ordered
Auto Notify
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#3151120 - 06J117021Q - Engine Oil Cooler - Lowers engine oil temperature - Genuine Volkswagen Audi - Audi Volkswagen

Lowers engine oil temperature

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3151120
Mfg#:
06J117021Q
Ships in 1-2 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.

$420.99

This product was last offered at the strikethrough price on
07-25-2026

$392.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt - Alternator

ES#3677911 - 06B903137E - Performance Kevlar Reinforced Accessory Belt - Alternator - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3677911
Mfg#:
06B903137E
Ships on Oct 27, 2026
Auto Notify
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Water Pump Thermostat Gasket Kit

ES#3536895 - 06H121026DD - Upgraded Water Pump Thermostat Gasket Kit - Includes the thermostat, temp sensor, union, and gaskets - Hamburg Tech - Audi Volkswagen

Includes the thermostat, temp sensor, union, and gaskets We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3536895
Mfg#:
06H121026DD
In Stock
ON SALE! SAVE 40%
$323.52

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

$193.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3469662 - 8K0121405N - Coolant Expansion Tank - Includes the heat shield - Rein - Audi

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

Brand:
Rein - Corporate Logo
ES#:
3469662
Mfg#:
8K0121405N
In Stock
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#2079312 - 06H121132H - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Genuine Volkswagen Audi - Audi

Located at the rear of cylinder head, includes o-rings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2079312
Mfg#:
06H121132H
In Stock
ON SALE! SAVE 27%
$74.99

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

$55.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Coolant Hose - Return

ES#4753179 - 06H121492D - Turbocharger Coolant Hose - Return - Connects the turbocharger to the water pipe - URO - Audi

Connects the turbocharger to the water pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4753179
Mfg#:
06H121492D
In Stock
ON SALE!
$63.99

This product was last offered at the strikethrough price on
06-25-2026

$60.79 USD
Free Shipping
on orders $49 and up

Engine Oil Cooler Gasket

ES#3419357 - 06J117070C - Engine Oil Cooler Gasket - Connects oil cooler to oil filter housing - Elring - Audi Volkswagen

Connects oil cooler to oil filter housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3419357
Mfg#:
06J117070C
In Stock
$6.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281439
Mfg#:
06H121605E
In Stock
20% 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
07-25-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose

ES#3659112 - 8K0121055N - Lower Radiator Hose - Keep your cooling system hoses free from cracks - Rein - Audi

Keep your cooling system hoses free from cracks 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3659112
Mfg#:
8K0121055N
In Stock
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3623896 - 8K0121403Q - Coolant Expansion Tank - Plastic reservoir for the coolant system - URO - Audi Porsche

Plastic reservoir for the coolant system 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3623896
Mfg#:
8K0121403Q
In Stock
$28.99 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

Brand:
Mahle-Behr - Corporate Logo
ES#:
544
Mfg#:
050121113C
In Stock
$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

Coolant Flange Replacement Kit

ES#4789435 - 06d121132ckt8KT - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Assembled By ECS - Audi

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4789435
Mfg#:
06D121132CKT8KT
Ships in 1-2 days
ON SALE! SAVE 13%
$142.99

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

$123.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#4028100 - 06K121605C - 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#:
4028100
Mfg#:
06K121605C
In Stock at Vendor
ON SALE! SAVE 11%
$30.99

This product was last offered at the strikethrough price on
02-22-2026

$27.54 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.

Let us help you find the parts that fit your Audi

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