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Audi S4 Engine Cooling Parts

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ES#2678370 - 8K0121405NKT - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Assembled By ECS - Audi

Install a brand new expansion tank with a new cap and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From production date 5/2/2011

Brand:
Assembled By ECS - Corporate Logo
ES#:
2678370
Mfg#:
8K0121405NKT
Ships Today
ON SALE!
$86.99

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

$85.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#302264 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Genuine Volkswagen Audi - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302264
Mfg#:
1H0121687A
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#450283 - 8K0121207D - dual fan cowl - Attaches to the core support to house the radiator and condenser fans - Genuine Volkswagen Audi - Audi

Attaches to the core support to house the radiator and condenser fans affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450283
Mfg#:
8K0121207D
Ships in 4 Business Days
8% off MSRP

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

$729.99

This product was last offered at the strikethrough price on
06-07-2026

$667.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3235894 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - Gates - Audi

Controls the actuation of the radiator fan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235894
Mfg#:
8D0959501D
Ships in 4 Business Days
$332.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2593820 - 079121111JKT3 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes thermostat with housing.

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593820
Mfg#:
079121111JKT3
In Stock at Vendor
$673.99

This product was last offered at the strikethrough price on
01-26-2026

$656.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#259718 - N90687001 - Spring Clamp - Priced Each - Install new hardware with your new parts. 27x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 27x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
27x12 spring clamp used in many areas on your vehicles cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259718
Mfg#:
N90687001
Ships in 1-3 days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#261000 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Genuine Volkswagen Audi - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to VIN 8D-Y-022960, split is in the 2000 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261000
Mfg#:
038117070A
In Stock
9% off MSRP

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

$11.54

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

$10.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4017820 - 021919369KIT - Auxillary Coolant Pump Thermal Switch 93/88 Deg C - 2 pin sensor - Also known as "after run coolant sensor" - Facet - Audi

2 pin sensor - Also known as "after run coolant sensor" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Facet - Corporate Logo
ES#:
4017820
Mfg#:
021919369KIT
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#470518 - N90686701 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 14x12mm - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 14x12mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
14x12 spring clamp used in many places on your European vehicles cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470518
Mfg#:
N90686701
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2718699 - 028117021E -  Oil Cooler  - Common source of undiscoverable coolant leaks - Febi - Audi Volkswagen

Common source of undiscoverable coolant leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From VIN 8D-Y-022961, Split is in the 2000 model year

Brand:
Febi - Corporate Logo
ES#:
2718699
Mfg#:
028117021E
In Stock
$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4044051 - 4710-11018 - AWE ColdFront Reservoir - B8/B8.5 3.0T - Provides increased coolant capacity for lower coolant temperatures and intake temperatures. - AWE - Audi

Provides increased coolant capacity for lower coolant temperatures and intake temperatures. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4044051
Mfg#:
4710-11018
In Stock
$625.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2500976 - 06E121018A - Water Pump - Includes gasket and features a metal impeller - Hepu - Audi Volkswagen

Includes gasket and features a metal impeller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits up to the 2012 model year (pre-facelift)

Brand:
Hepu - Corporate Logo
ES#:
2500976
Mfg#:
06E121018A
In Stock at Vendor
$103.11 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2536111 - 06E121083G - Coolant Pipe - Return/Supply - Connects the supercharger flange to the radiator and water pump hoses - Genuine Volkswagen Audi - Audi

Connects the supercharger flange to the radiator and water pump hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2536111
Mfg#:
06E121083G
Ships in 1 day
8% off MSRP

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

$216.99

This product was last offered at the strikethrough price on
06-07-2026

$198.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4370055 - 06E121119H - Thermostat Hose O-ring - Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 - Victor Reinz - Audi

Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4370055
Mfg#:
06E121119H
Ships in 3 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1498 - 075121113D 80D - Thermostat - 80C - Includes sealing O-Ring - Mahle-Behr - Audi Volkswagen Porsche

Includes sealing O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lower temperature thermostat, stock is 87�C

Brand:
Mahle-Behr - Corporate Logo
ES#:
1498
Mfg#:
075121113D 80D
In Stock at Vendor
$40.55

This product was last offered at the strikethrough price on
02-19-2026

$36.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2540982 - 8K0819342L - Auxiliary Heater Hose   - 90 Degree hose that connects to the auxiliary water pump - Genuine Volkswagen Audi - Audi

90 Degree hose that connects to the auxiliary water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540982
Mfg#:
8K0819342L
Ships in 1 day
9% off MSRP

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

$78.99

This product was last offered at the strikethrough price on
06-07-2026

$71.99 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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