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Audi S4 Engine Cooling Parts

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Expansion Tank Replacement Kit W/ R8 Coolant Cap

ES#2637205 - 8E0121403FKT3 - Expansion Tank Replacement Kit W/ R8 Coolant Cap - Install a brand new expansion tank with a new R8 polished aluminum cap and hardware - Assembled By ECS - Audi

Install a brand new expansion tank with a new R8 polished aluminum cap and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2637205
Mfg#:
8E0121403FKT3
Ships on Oct 6, 2026
Auto Notify
$357.91

This product was last offered at the strikethrough price on
08-31-2026

$353.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Pipe Gasket Set

ES#2574925 - 8E0898380 - Heater Core Pipe Gasket Set - Includes the necessary gaskets and clamps for your new heater core - ACM - Audi Volkswagen

Includes the necessary gaskets and clamps for your new heater core

Brand:
ACM - Corporate Logo
ES#:
2574925
Mfg#:
8E0898380
Ships in 1 Business Day
$22.00

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

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.0T Oil Cooler Adapter Plate Kit

ES#3470653 - 462-635-0012 - 3.0T Oil Cooler Adapter Plate Kit - Allows for clean installation of an external oil cooler - iABED Industries - Audi

Allows for clean installation of an external oil cooler

Brand:
iABED Industries - Corporate Logo
ES#:
3470653
Mfg#:
462-635-0012
Back Ordered
$175.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#3478143 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - Nissens - Audi Volkswagen

Common source of undiscoverable coolant leaks We Price Match - Give Us A Call or Chat!
From VIN 8D-Y-022961, Split is in the 2000 model year

Brand:
Nissens - Corporate Logo
ES#:
3478143
Mfg#:
028117021E
Ships in 1 Business Day
$118.99

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

$115.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Gasket

ES#280801 - 06E121139H - Coolant Flange Gasket - Seals the coolant flange to the engine block - Genuine Volkswagen Audi - Audi

Seals the coolant flange to the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280801
Mfg#:
06E121139H
In Stock
30% off MSRP

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

$27.58

This product was last offered at the strikethrough price on
05-12-2026

$19.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VR6 Racing Thermostat - 71°C

ES#2764806 - MMTSVR693L - VR6 Racing Thermostat - 71C - Keep your engine running cooler for more power - Mishimoto - Audi Volkswagen

Keep your engine running cooler for more power Lower temperature thermostat than factory - OE is 87°C

Brand:
Mishimoto - Corporate Logo
ES#:
2764806
Mfg#:
MMTSVR693L
Ships in 3 Business Days
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose

ES#4045826 - 8E1819373T - Coolant Return Hose - Connects the heater core to the hard coolant pipe - URO - Audi

Connects the heater core to the hard coolant pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4045826
Mfg#:
8E1819373T
Ships in 1 Business Day
$50.99

This product was last offered at the strikethrough price on
09-01-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3149407 - 078121006A - Water Pump - Featuring a metal impeller and includes the gasket - Rein - Audi

Featuring a metal impeller and includes the gasket 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149407
Mfg#:
078121006A
Ships in 3 Business Days
ON SALE!
$89.99

This product was last offered at the strikethrough price on
08-31-2026

$85.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Radiator

ES#3492551 - 8E0121212K - Auxiliary Radiator - Nissens - Audi

We Price Match - Give Us A Call or Chat!
Left

Brand:
Nissens - Corporate Logo
ES#:
3492551
Mfg#:
8E0121212K
Ships in 1 Business Day
$338.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HEATERCORE

ES#4757080 - 8B3820037A - HEATERCORE - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4757080
Mfg#:
8B3820037A
Ships in 1-2 days
10% off MSRP

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

$370.99

This product was last offered at the strikethrough price on
08-31-2026

$333.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3236055 - 8E0121070B - Radiator Hose - Upper - Includes quick disconnect piece - Feed Hose - Vaico - Audi

Includes quick disconnect piece - Feed Hose We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3236055
Mfg#:
8E0121070B
Ships in 1 Business Day
$341.99

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

$331.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Screw - Priced Each

ES#471868 - N91090701 - Screw - Priced Each - Install new hardware with your new parts. 5x20 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. 5x20 Used to secure the coolant expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471868
Mfg#:
N91090701
In Stock
25% off MSRP

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

$3.99

This product was last offered at the strikethrough price on
09-06-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#4004591 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Rein - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4004591
Mfg#:
5Q0121321
In Stock
ON SALE!
$16.99

This product was last offered at the strikethrough price on
08-31-2026

$16.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#4818404 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - Bremmen Parts - Audi Volkswagen

Common source of undiscoverable coolant leaks 10X Entries Into Our F80 M3 Sweepstakes

From VIN 8D-Y-022961, Split is in the 2000 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818404
Mfg#:
028117021E
In Stock
ON SALE! SAVE 50%
$63.99

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

$32.00 USD
Free Shipping
on orders $49 and up

Oil Cooler O-Ring

ES#2718036 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Elring - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-Y-022960, split is in the 2000 model year

Brand:
Elring - Corporate Logo
ES#:
2718036
Mfg#:
038117070A
In Stock
$1.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#5426272 - 06M121115P - Thermostat Housing - Common point of failure for the cooling system. - Bremmen Parts - Audi

Common point of failure for the cooling system. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5426272
Mfg#:
06M121115P
In Stock
ON SALE! SAVE 16%
$61.99

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

$52.01 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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Manufacturer names and/or part numbers are used only for identification purposes.

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