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Audi S4 Engine Cooling Parts

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ES#4004617 - 8K0121101J - Upper Radiator Hose - Connects the upper radiator port to the hard water tube - Rein - Audi

Connects the upper radiator port to the hard water tube 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#:
4004617
Mfg#:
8K0121101J
In Stock
$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#436248 - 8E0121403F - Coolant Expansion Tank - Coolant level sensor enclosed in tank - Genuine Volkswagen Audi - Audi

Coolant level sensor enclosed in tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436248
Mfg#:
8E0121403F
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.

$123.99

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

$112.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1894630 - 06E145723A - Compressor Intercooler Gasket - Priced Each - Seals the intercooler ends to the rear of the supercharger compressor - Genuine Volkswagen Audi - Audi

Seals the intercooler ends to the rear of the supercharger compressor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1894630
Mfg#:
06E145723A
Ships in 1 day
6% off MSRP

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

$50.00

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

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#248948 - 357919369F - Thermal Switch - 2 Pin - Located in the coolant pipe that connects to the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Located in the coolant pipe that connects to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
248948
Mfg#:
357919369F
In Stock
7% off MSRP

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

$56.99

This product was last offered at the strikethrough price on
02-26-2026

$53.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1910119 - 8E0121403F - Coolant Expansion Tank - Coolant level sensor enclosed in tank - Vaico - Audi

Coolant level sensor enclosed in tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
1910119
Mfg#:
8E0121403F
In Stock at Vendor
$75.99

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

$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#468845 - N10700201 - Torx Bolt - Priced Each - Bolt used in various areas on your European vehicle. M6x22 - Genuine Volkswagen Audi - Audi Volkswagen

Bolt used in various areas on your European vehicle. M6x22 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 01/24/2022

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468845
Mfg#:
N10700201
In Stock
42% off MSRP

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

$5.14

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#10026 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Vaico - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
10026
Mfg#:
3B0121321
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2831986 - 4G0145804D - Supercharger Radiator - Center - This is the small radiator under the main radaitor - Genuine Volkswagen Audi - Audi

This is the small radiator under the main radaitor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2831986
Mfg#:
4G0145804D
Ships in 2 Business Days
9% off MSRP

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

$593.99

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

$542.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4685659 - 06E121119K - Round Seal - Priced Each - Install a new o-ring for a proper seal. 31.9x3.3x5.3 - Victor Reinz - Audi

Install a new o-ring for a proper seal. 31.9x3.3x5.3 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4685659
Mfg#:
06E121119K
In Stock
$6.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#451163 - 8K0805201 - Lower Radiator Mounting Bracket - Priced Each - Support bracket that holds the bushings for the radiator - Genuine Volkswagen Audi - Audi

Support bracket that holds the bushings for the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451163
Mfg#:
8K0805201
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.

$51.99

This product was last offered at the strikethrough price on
06-03-2026

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3419928 - 8E1820031 - Heater Core - Stop coolant loss and cure a fogged windshield - Behr - Audi

Stop coolant loss and cure a fogged windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Behr - Corporate Logo
ES#:
3419928
Mfg#:
8E1820031
Ships in 1 Business Day
$92.99

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

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4044054 - 4710-11032 - AWE ColdFront Coolant Pump - B8 3.0T - Replaces the stock heat exchanger pump and out-performs it with a 100% gain in flow-rate over the factory pump. - AWE - Audi

Replaces the stock heat exchanger pump and out-performs it with a 100% gain in flow-rate over the factory pump. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

For vehicles up through the 2012 model year only. (Pre-Facelift). Requires the AWE ColdFrontâ„¢ Reservoir for proper fitment.

Brand:
AWE - Corporate Logo
ES#:
4044054
Mfg#:
4710-11032
Ships on Jun 26, 2026
$1068.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804551 - N90560701KT - Cylinder Head Coolant Pipe O-Ring Kit - Includes all O-rings for the cylinder head coolant pipe - Assembled By ECS - Audi

Includes all O-rings for the cylinder head coolant pipe 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#:
2804551
Mfg#:
N90560701KT
In Stock
ON SALE! SAVE 26%
$28.99

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

$21.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3188209 - 8K0121251H - Radiator - Fix leaks and keep your cooling system efficient - Nissens - Audi

Fix leaks and keep your cooling system efficient We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models with 6-Speed manual transmission only

Brand:
Nissens - Corporate Logo
ES#:
3188209
Mfg#:
8K0121251H
In Stock at Vendor
$209.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4147305 - 30102029 - Universal 12" Electric Fan - Black - 1328 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

1328 CFM. High performance puller fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147305
Mfg#:
30102029
In Stock at Vendor
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2556704 - 8K0121081BK - expansion tank pipe - Connects the expansion tank to the hard water pipes and the small upper radiator port - Genuine Volkswagen Audi - Audi

Connects the expansion tank to the hard water pipes and the small upper radiator port affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 4/9/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2556704
Mfg#:
8K0121081BK
Ships in 2 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.

$219.99

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

$201.99 USD
Free Shipping
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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