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Audi S4 Engine Cooling Parts

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ES#4013695 - N0138149 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14x18 - Victor Reinz - Audi Volkswagen

Install new hardware with your new parts. M14x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4013695
Mfg#:
N0138149
Ships in 3 Business Days
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3980450 - 4Z7959455 - Auxiliary Fan Assembly - Larger diameter fan on the left side - Magneti Marelli - Audi

Larger diameter fan on the left side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magneti Marelli - Corporate Logo
ES#:
3980450
Mfg#:
4Z7959455
Ships in 1 Business Day
$105.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1598005 - 8K0121071J - coolant pipe - supply - Connects the expansion tank hose to the lower radiator hose - Genuine Volkswagen Audi - Audi

Connects the expansion tank hose to the lower radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1598005
Mfg#:
8K0121071J
Ships in 3 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.

$227.99

This product was last offered at the strikethrough price on
06-14-2026

$208.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2678364 - 06E121111ADKT - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensor with one kit! - Assembled By ECS - Audi
ECS Tuning recommends this product.

Replace your thermostat and temp sensor with one kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2678364
Mfg#:
06E121111ADKT
In Stock
ON SALE! SAVE 20%
$129.99

This product was last offered at the strikethrough price on
01-03-2026

$104.45 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2678366 - 06E121111ADKT3 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! 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#:
2678366
Mfg#:
06E121111ADKT3
In Stock
ON SALE!
$222.99

This product was last offered at the strikethrough price on
01-03-2026

$208.69 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2678365 - 06E121111ADKT2 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to production date 5/1/2011

Brand:
Assembled By ECS - Corporate Logo
ES#:
2678365
Mfg#:
06E121111ADKT2
In Stock
ON SALE!
$222.99

This product was last offered at the strikethrough price on
01-03-2026

$208.69 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3603941 - 8D0819373T - Heater Core Hose - Return - Connects the heater core to the hard water pipe - Original Equipment Supplier - Audi

Connects the heater core to the hard water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
3603941
Mfg#:
8D0819373T
Back Ordered
$210.00

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

$204.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4691036 - 8W1121405N - Coolant Expansion Tank - Includes integrated coolant level sensor - Hudson - Audi

Includes integrated coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
4691036
Mfg#:
8W1121405N
Ships in 4 Business Days
$198.00 USD
Free Shipping
on orders $49 and up
ES#259720 - n90687101 - Spring Clamp - Priced Each - Install new hardware with your new parts. 32x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 32x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259720
Mfg#:
N90687101
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stop coolant loss and cure a fogged windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
4140429
Mfg#:
8E1820031
In Stock at Vendor
$194.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#307293 - 1J0122291D - Cooling System Coupler - Keep your cooling system leak free - Genuine Volkswagen Audi - Audi Volkswagen

Keep your cooling system leak free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year. Allows connection of the left lower radiator hose to the port

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307293
Mfg#:
1J0122291D
Ships in 2 Business 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.

$29.99

This product was last offered at the strikethrough price on
06-14-2026

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2973048 - 028117021EKT - Oil Cooler Replacement Kit  - Includes the necessary components to replace your oil cooler and perform an engine oil service - Assembled By ECS - Audi

Includes the necessary components to replace your oil cooler and perform an engine oil service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-Y-022961, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2973048
Mfg#:
028117021EKT
In Stock
ON SALE!
$187.99

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

$185.27 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2106948 - 8K0805399B - Torx Screw - Priced each - Genuine Volkswagen Audi - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2106948
Mfg#:
8K0805399B
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
06-14-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3419389 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Rein - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419389
Mfg#:
N90316802
In Stock
$2.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#472539 - WHT001506A - Upper Radiator Securing Pin - Priced Each - Keep your radiator secured in place - Genuine Volkswagen Audi - Audi

Keep your radiator secured in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472539
Mfg#:
WHT001506A
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.

$4.99

This product was last offered at the strikethrough price on
06-14-2026

$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3412065 - 8K0121405N - Coolant Expansion Tank - Includes the heat shield - Hudson - Audi

Includes the heat shield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3412065
Mfg#:
8K0121405N
Ships in 1 day
$59.99 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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