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Audi S4 Engine Cooling Parts

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Billet Aluminum Coolant Distribution Pipe

ES#4620805 - 462-121-087BB - Billet Aluminum Coolant Distribution Pipe - Replacement 3-way outlet at upper radiator hose in aluminum - iABED Industries - Audi Volkswagen

Replacement 3-way outlet at upper radiator hose in aluminum Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
iABED Industries - Corporate Logo
ES#:
4620805
Mfg#:
462-121-087BB
Back Ordered
$74.99 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4004591
Mfg#:
5Q0121321
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#516390 - 4H0951253 - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Genuine Volkswagen Audi - Audi Volkswagen

Replacement 4 pin relay Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Used for fan control

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
516390
Mfg#:
4H0951253
In Stock
13% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
10-26-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#4818460 - 06E121058E - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water tube - Bremmen Parts - Audi

Connects the oil cooler to the hard water tube 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818460
Mfg#:
06E121058E
In Stock
ON SALE! SAVE 15%
$11.99

This product was last offered at the strikethrough price on
09-16-2026

$10.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3132778 - 06E121119J - Sealing O-Ring - Priced Each - Seals the coolant flange to the supercharger compressor - Genuine Volkswagen Audi - Audi

Seals the coolant flange to the supercharger compressor Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3132778
Mfg#:
06E121119J
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe Gasket

ES#3641021 - WHT007920 - Coolant Pipe Gasket - Replacement gasket for your coolant pipes - Genuine Volkswagen Audi - Audi

Replacement gasket for your coolant pipes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3641021
Mfg#:
WHT007920
In Stock
$5.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#252441 - 8E0121070B - Radiator Hose - Upper - Includes quick disconnect piece - Feed Hose - Genuine Volkswagen Audi - Audi

Includes quick disconnect piece - Feed Hose Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252441
Mfg#:
8E0121070B
Ships in 5 Business Days
13% off MSRP

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

$416.99

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

$361.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#2642197 - 8E0965559 - Auxiliary Water Pump - Additional electric water pump - Hella - Audi

Additional electric water pump Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Hella - Corporate Logo
ES#:
2642197
Mfg#:
8E0965559
Ships in 1-2 days
$179.99 USD
Free Shipping
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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149407
Mfg#:
078121006A
Ships in 4 Business Days
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe O-Ring - Priced Each

ES#471191 - N90925001 - Coolant Pipe O-Ring - Priced Each - Provides seal from metal to plastic cooling line end fitting. 17x3 - Genuine Volkswagen Audi - Audi

Provides seal from metal to plastic cooling line end fitting. 17x3 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471191
Mfg#:
N90925001
In Stock
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
10-26-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#271002 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - Genuine Volkswagen Audi - Audi Volkswagen

Common source of undiscoverable coolant leaks Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
From VIN 8D-Y-022961, Split is in the 2000 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
271002
Mfg#:
028117021E
Ships in 3 Business Days
12% off MSRP

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

$408.99

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

$357.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2500976 - 06E121018A - Water Pump - Includes gasket and features a metal impeller - Hepu - Audi Volkswagen

Includes gasket and features a metal impeller Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Fits up to the 2012 model year (pre-facelift)

Brand:
Hepu - Corporate Logo
ES#:
2500976
Mfg#:
06E121018A
Ships in 2 Business Days
$103.11

This product was last offered at the strikethrough price on
09-25-2026

$89.06 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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
10-26-2026

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

Auxiliary Water Pump

ES#5515729 - 078965561 - Auxiliary Water Pump - Maintain proper coolant circulation through your secondary cooling loops and turbochargers while protecting your engine against post-shutdown heat soak. - Rein - Audi Volkswagen

Maintain proper coolant circulation through your secondary cooling loops and turbochargers while protecting your engine against post-shutdown heat soak. 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
APB engine code

Brand:
Rein - Corporate Logo
ES#:
5515729
Mfg#:
078965561
Ships in 4 Business Days
$87.99 USD
Free Shipping
on orders $49 and up
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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ACM - Corporate Logo
ES#:
2574925
Mfg#:
8E0898380
Ships in 2 Business Days
$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

Coolant Flange Plug Kit - Priced Each

ES#2535191 - 357121140 - Coolant Flange Plug Kit - Priced Each - Includes the plug, o-ring and securing clip - URO - Audi Volkswagen

Includes the plug, o-ring and securing clip 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535191
Mfg#:
357121140
In Stock
$4.99 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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