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Audi S4 Radiator Parts

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Air Duct - Lower Left

ES#450303 - 8K0121333A - Air Duct - Lower Left - Directs air to the additional radiator behind the fog light - Genuine Volkswagen Audi - Audi

Directs air to the additional radiator behind the fog light Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450303
Mfg#:
8K0121333A
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.

$163.99

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

$147.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#436189 - 8E0121251AJ - Radiator - Keepy your engine cool with a new radiator - Genuine Volkswagen Audi - Audi

Keepy your engine cool with a new radiator Fits vehicles with automatic transmission ONLY

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436189
Mfg#:
8E0121251AJ
Ships in 3 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.

$605.99

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

$545.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2860612 - 8K0121251AL - Radiator - Fix leaks and keep your cooling system efficient - Genuine Volkswagen Audi - Audi

Fix leaks and keep your cooling system efficient Fits models with DSG (S-Tronic) transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2860612
Mfg#:
8K0121251AL
Ships in 1-2 days
19% off MSRP

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

$656.68

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

$535.19 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2872397 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Febi - Audi Volkswagen

Connects the lower radiator port to the thermostat housing We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872397
Mfg#:
8D0121055T
In Stock
$24.99

This product was last offered at the strikethrough price on
05-13-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#450285 - 8K0121251H - Radiator - Fix leaks and keep your cooling system efficient - Genuine Volkswagen Audi - Audi

Fix leaks and keep your cooling system efficient Fits models with 6-Speed manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450285
Mfg#:
8K0121251H
Ships in 1-2 days
18% off MSRP

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

$583.32

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

$475.41 USD
This product is lifetime replacement eligible Lifetime Replacement

Additional Radiator - Left

ES#436177 - 8E0121212K - Additional Radiator - Left - This is the small radiator on the front left side - Genuine Volkswagen Audi - Audi

This is the small radiator on the front left side Sedan and Avant models only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436177
Mfg#:
8E0121212K
Ships in 7 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.

$500.00

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

$450.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#436188 - 8E0121251AH - Radiator - Keep your engine cool with a new radiator - Genuine Volkswagen Audi - Audi

Keep your engine cool with a new radiator Fits vehicles with manual transmission ONLY

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436188
Mfg#:
8E0121251AH
Ships in 7 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.

$496.99

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

$447.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Universal 10" Electric Fan - Black

ES#2764825 - MMFAN10 - Universal 10" Electric Fan - Black - 850 CFM - 5.1 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

850 CFM - 5.1 amps at 12.3 volts

Brand:
Mishimoto - Corporate Logo
ES#:
2764825
Mfg#:
MMFAN10
Ships in 3 Business Days
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Installation Kit

ES#4810472 - 4m0121095KT - Radiator Installation Kit - Install new hardware with your new radiator - Genuine Volkswagen Audi - Audi

Install new hardware with your new radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4810472
Mfg#:
4M0121095KT
Ships in 1-2 days
$146.00

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

$143.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose

ES#450273 - 8K0121101J - Upper Radiator Hose - Connects the upper radiator port to the hard water tube - Genuine Volkswagen Audi - Audi

Connects the upper radiator port to the hard water tube

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450273
Mfg#:
8K0121101J
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.

$156.99

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

$141.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Relocation Kit

ES#4858154 - 034-102-1004 - Radiator Relocation Kit - The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine. - 034Motorsport - Audi

The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles doing an engine swap only, not intended for OE usage

Brand:
034Motorsport - Corporate Logo
ES#:
4858154
Mfg#:
034-102-1004
Ships in 2 Business Days
ON SALE! SAVE 10%
$465.00

This product was last offered at the strikethrough price on
08-17-2026

$418.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Installation Kit

ES#3678213 - wht001506akt2KT - Radiator Installation Kit - Install new hardware with your new radiator - Assembled By ECS - Audi

Install new hardware with your new radiator 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3678213
Mfg#:
WHT001506AKT2KT
Ships in 1-2 days
ON SALE!
$150.99

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

$138.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Purple Ice - 12oz

ES#2793046 - 01600 - Purple Ice - 12oz - High performance coolant conditioner - Royal Purple - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance coolant conditioner

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
Ships in 5 Business Days
$12.99 USD
Free Shipping
on orders $49 and up

Supercharger Radiator - Center

ES#2796394 - 8K0145804H - Supercharger Radiator - Center - This is the small radiator under the main radiator - Genuine Volkswagen Audi - Audi

This is the small radiator under the main radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2796394
Mfg#:
8K0145804H
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.

$443.99

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

$399.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#4147274 - 30100375 - Universal 12" Electric Fan - Black - 861 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

861 CFM. High performance puller fan with straight blades.

Brand:
Spal - Corporate Logo
ES#:
4147274
Mfg#:
30100375
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.

$114.99

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

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Radiator Parts

Keep it cool with a new radiator or upgrade for better cooling capacity with aftermarket performance radiator options.

Let us help you find the parts that fit your Audi

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