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Audi A4 Radiator Parts

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Radiator Hose - Upper

ES#3235887 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Gates - Audi Volkswagen

Connects the upper radiator port to the hard water pipe

Brand:
Gates - Corporate Logo
ES#:
3235887
Mfg#:
8D0121101K
Ships on Aug 13, 2026
$62.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Air Guide - Right

ES#436225 - 8E0121284AD - Radiator Air Guide - Right - Attaches to radiator to direct air - Genuine Volkswagen Audi - Audi

Attaches to radiator to direct air For automatic transmission vehicles with the S-Line bumper

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436225
Mfg#:
8E0121284AD
Ships in 3 Business Days
7% off MSRP

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

$66.99

This product was last offered at the strikethrough price on
07-24-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe O-Ring - Priced Each

ES#2803463 - N90765301 - Coolant Pipe O-Ring - Priced Each - Provides seal from metal to plastic cooling line end fitting. 32X4 - Rein - Audi Volkswagen

Provides seal from metal to plastic cooling line end fitting. 32X4 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803463
Mfg#:
N90765301
In Stock at Vendor
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Air Guide - Lower

ES#436237 - 8E0121292H - Radiator Air Guide - Lower - Attaches to radiator to direct air - Genuine Volkswagen Audi - Audi

Attaches to radiator to direct air For manual transmission vehicles

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436237
Mfg#:
8E0121292H
Ships in 8 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.

$62.99

This product was last offered at the strikethrough price on
07-24-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#4696212 - 4b0121055f - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Febi - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From VIN 8D-Y-120001, split is in the 2000 model year

Brand:
Febi - Corporate Logo
ES#:
4696212
Mfg#:
4B0121055F
Ships in 1-2 days
$50.99

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

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Bushing - Priced Each

ES#3678202 - 8K0121276A - Lower Radiator Bushing - Priced Each - Rubber mounts that stabilize the radiator - Rein - Audi

Rubber mounts that stabilize the radiator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3678202
Mfg#:
8K0121276A
In Stock
ON SALE!
$5.92

This product was last offered at the strikethrough price on
06-25-2026

$5.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2627329 - 8D0121055G - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Rein - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-Y-120000, split is in the 2000 model year

Brand:
Rein - Corporate Logo
ES#:
2627329
Mfg#:
8D0121055G
Ships in 3 Business Days
$36.99 USD
Free Shipping
on orders $49 and up

Radiator Hose - Lower

ES#2642852 - 8D0121055E - Radiator Hose - Lower - Connects lower radiator port to the thermostat housing - Hutchinson Worldwide - Audi Volkswagen

Connects lower radiator port to the thermostat housing Engine code AHA up to VIN 8D-X-003500, split is in the 1999 model year

Brand:
Hutchinson Worldwide - Corporate Logo
ES#:
2642852
Mfg#:
8D0121055E
Ships in 1-2 days
$36.99

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

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Bushing - Priced Each

ES#450296 - 8K0121276A - Lower Radiator Bushing - Priced Each - Rubber mounts that stabilize the radiator - Genuine Volkswagen Audi - Audi

Rubber mounts that stabilize the radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450296
Mfg#:
8K0121276A
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.

$7.99

This product was last offered at the strikethrough price on
07-24-2026

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#9528 - 8D0121107C - Expansion Tank Hose - Connects the expansion tank to the hard water pipe - Gates - Audi Volkswagen

Connects the expansion tank to the hard water pipe

Brand:
Gates - Corporate Logo
ES#:
9528
Mfg#:
8D0121107C
In Stock at Vendor
$11.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#429389 - 8D0121107C - Expansion Tank Hose - Connects the expansion tank to the hard water pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects the expansion tank to the hard water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429389
Mfg#:
8D0121107C
Ships in 3 Business Days
11% off MSRP

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

$37.99

This product was last offered at the strikethrough price on
07-24-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant T Connector Kit

ES#3176255 - N90692901KT - Coolant T Connector Kit - Connects lower radiator hose to expansion tank - Includes clamps - Assembled By ECS - Audi

Connects lower radiator hose to expansion tank - Includes clamps 10X Entries For Our 25th Anniversary Sweepstakes!
Connects lower radiator hose to the coolant expansion tank

Brand:
Assembled By ECS - Corporate Logo
ES#:
3176255
Mfg#:
N90692901KT
Ships in 1 Business Day
ON SALE! SAVE 10%
$35.99

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

$32.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Mounting Bracket Bushing - Priced Each

ES#3678210 - 8K0121268C - Radiator Mounting Bracket Bushing - Priced Each - Bushing located below the lower radiator mounting bracket - Rein - Audi

Bushing located below the lower radiator mounting bracket 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3678210
Mfg#:
8K0121268C
Ships in 1-2 days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3463372 - 8E0121101R - Radiator Hose - Upper - Connects the upper radiator port to the expansion tank and hard water pipe - Hudson - Audi

Connects the upper radiator port to the expansion tank and hard water pipe

Brand:
Hudson - Corporate Logo
ES#:
3463372
Mfg#:
8E0121101R
Ships in 3 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3698966 - 8D0121101AF - Radiator Hose - Upper - Runs from radiator to reservoir and water pipe - Burgaflex - Audi Volkswagen

Runs from radiator to reservoir and water pipe Fits from VIN 8D-T-236 145 - Split is in the 1996 model year

Brand:
Burgaflex - Corporate Logo
ES#:
3698966
Mfg#:
8D0121101AF
Ships in 8 Business Days
$29.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose

ES#248418 - 8e0121101 - Upper Radiator Hose - Connects the upper radiator to the expansion tank and thermostat housing - Hutchinson Worldwide - Audi

Connects the upper radiator to the expansion tank and thermostat housing

Brand:
Hutchinson Worldwide - Corporate Logo
ES#:
248418
Mfg#:
8E0121101
Ships in 1 Business Day
$29.99 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.

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