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Audi S4 Radiator Hoses

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Radiator Hose - Upper

ES#3448378 - 8E0121070B - Radiator Hose - Upper - Includes quick disconnect piece - Feed Hose - Rein - Audi

Includes quick disconnect piece - Feed Hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3448378
Mfg#:
8E0121070B
In Stock
$127.99

This product was last offered at the strikethrough price on
04-30-2026

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3796 - 8D0121101AG - Radiator Hose - Upper - Reservoir to adapter to radiator. - Genuine Volkswagen Audi - Audi

Reservoir to adapter to radiator.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3796
Mfg#:
8D0121101AG
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.

$401.99

This product was last offered at the strikethrough price on
07-22-2026

$367.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose

ES#252442 - 8E0121055AD - Lower Radiator Hose - Complete assembly with quick-coupling piece - Genuine Volkswagen Audi - Audi

Complete assembly with quick-coupling piece Connects thermostat to the lower main radiator and the left side additional radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252442
Mfg#:
8E0121055AD
In Stock at Vendor
20% off MSRP

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

$238.99

This product was last offered at the strikethrough price on
04-17-2026

$190.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose

ES#4899608 - 8K0121055B - Lower Radiator Hose - Direct replacement for your worn or cracked hose - Rein - Audi

Direct replacement for your worn or cracked hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4899608
Mfg#:
8K0121055B
In Stock
$71.99 USD
Free Shipping
on orders $49 and up

Upper Radiator Hose

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 2X Entries For Our 25th Anniversary Sweepstakes!
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

Expansion Tank Hose

ES#450267 - 8K0121081AE - Expansion Tank Hose - Connects the expansion tank to the water tube and radiator - Genuine Volkswagen Audi - Audi

Connects the expansion tank to the water tube and radiator Up to production date 4/9/2012

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450267
Mfg#:
8K0121081AE
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.

$198.99

This product was last offered at the strikethrough price on
07-22-2026

$181.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

lower Radiator Hose

ES#450263 - 8K0121055B - lower Radiator Hose - Direct replacement for your worn or cracked hose - Genuine Volkswagen Audi - Audi

Direct replacement for your worn or cracked hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450263
Mfg#:
8K0121055B
In Stock at Vendor
9% off MSRP

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

$156.66

This product was last offered at the strikethrough price on
07-22-2026

$143.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2535127 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - URO - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535127
Mfg#:
032121142
In Stock
$1.62 USD
Free Shipping
on orders $49 and up
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 2X Entries For Our 25th Anniversary Sweepstakes!
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

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 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.

$156.99

This product was last offered at the strikethrough price on
07-22-2026

$143.99 USD
Free Shipping
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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252441
Mfg#:
8E0121070B
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.

$416.99

This product was last offered at the strikethrough price on
07-22-2026

$381.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe O-Ring - Priced Each

ES#470699 - N90765301 - Coolant Pipe O-Ring - Priced Each - Provides seal from metal to plastic cooling line end fitting. 32X4 - Genuine Volkswagen Audi - Audi Volkswagen

Provides seal from metal to plastic cooling line end fitting. 32X4

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470699
Mfg#:
N90765301
In Stock
21% off MSRP

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

$2.62

This product was last offered at the strikethrough price on
07-22-2026

$2.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3236055 - 8E0121070B - Radiator Hose - Upper - Includes quick disconnect piece - Feed Hose - Vaico - Audi

Includes quick disconnect piece - Feed Hose We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3236055
Mfg#:
8E0121070B
In Stock at Vendor
$341.99

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

$331.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Retaining Clip - Priced Each

ES#307207 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose to the flange. 32mm - Genuine Volkswagen Audi - Audi Volkswagen

Secures the radiator hose to the flange. 32mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307207
Mfg#:
1J0121142
In Stock
21% off MSRP

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

$6.47

This product was last offered at the strikethrough price on
07-22-2026

$5.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Center Radiator Hose - Upper

ES#2540800 - 8K0145920E - Center Radiator Hose - Upper - Connects the lower center radiator to the water pump and hard water line - Genuine Volkswagen Audi - Audi

Connects the lower center radiator to the water pump and hard water line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540800
Mfg#:
8K0145920E
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.

$280.00

This product was last offered at the strikethrough price on
07-22-2026

$256.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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