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Audi A4 Radiator Parts

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Expansion Tank Hose

ES#2802152 - 8D0121107C - Expansion Tank Hose - Connects the expansion tank to the hard water pipe - Rein - Audi Volkswagen

Connects the expansion tank to the hard water pipe 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802152
Mfg#:
8D0121107C
Ships in 3 Business Days
$7.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Mounting Bracket Bushing - Priced Each

ES#3678190 - 4H0121268 - 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 Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3678190
Mfg#:
4H0121268
Back Ordered
$3.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#467796 - N10258001 - Hose Clamp - Priced Each - Adjustable clamp used on various hoses in the cooling system. 30-45x9 - Genuine Volkswagen Audi - Audi

Adjustable clamp used on various hoses in the cooling system. 30-45x9 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Secures the lower radiator hose to the water pump assembly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467796
Mfg#:
N10258001
Ships in 2 Business Days
29% off MSRP

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

$8.41

This product was last offered at the strikethrough price on
10-28-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug

Used for quick removal of coolant Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
JL Germany
ES#:
4044479
Mfg#:
8D0121100
Back Ordered
$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

Cooling Hose Retaining Clip - Priced Each

ES#4941347 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose flange in place. 32mm - Bremmen Parts - Audi Volkswagen

Secures the radiator hose flange in place. 32mm 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
4941347
Mfg#:
1J0121142
Back Ordered
ON SALE! SAVE 57%
$1.99

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

$0.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant T Connector

ES#4899607 - N90692901 - Coolant T Connector - Connects to the lower radiator hose - Rein - Audi Volkswagen

Connects to the lower radiator hose 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!
Connects lower radiator hose to the coolant expansion tank hose and water pump hose

Brand:
Rein - Corporate Logo
ES#:
4899607
Mfg#:
N90692901
Ships in 3 Business Days
$9.99 USD
Free Shipping
on orders $49 and up

VW | Radiator Hose

ES#4863435 - 4B0121055J - VW | Radiator Hose - Vaico - Audi Volkswagen

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4863435
Mfg#:
4B0121055J
Ships in 1 Business Day
$123.99

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

$120.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2901708 - 8D0121251BB - Radiator - Keep your cooling system operating properly - Vemo - Audi Volkswagen

Keep your cooling system operating properly Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
2901708
Mfg#:
8D0121251BB
Ships in 1 Business Day
$395.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

Keep your cooling system operating properly Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
APDI
ES#:
4146569
Mfg#:
8E0121251AQ
Ships in 1 Business Day
$215.99

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

$210.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator hose

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Burgaflex - Corporate Logo
ES#:
4349555
Mfg#:
8E0121101R
Ships in 8 Business Days
$23.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

Direct replacement for your worn or cracked hose Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Hutchinson Worldwide - Corporate Logo
ES#:
5481785
Mfg#:
8E0121101T
Ships in 1 Business Day
$269.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

Keep your cooling system operating properly Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Mahle - Corporate Logo
ES#:
4146572
Mfg#:
8E0121251A
Ships in 1 Business Day
$244.99

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

$204.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator

Fix leaks and keep your cooling system efficient Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Spectra Premium - Corporate Logo
ES#:
4066923
Mfg#:
8K0121251H
Ships in 1 Business Day
$276.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator

Keep your cooling system operating properly Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Spectra Premium - Corporate Logo
ES#:
4146571
Mfg#:
8E0121251A
Ships in 1 Business Day
$231.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator Installation Kit

ES#3659114 - 8K0121101MKT1 - Radiator Installation Kit - Everything you need to install your new radiator - Assembled By ECS - Audi

Everything you need to install your new radiator 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659114
Mfg#:
8K0121101MKT1
Ships in 1 day
ON SALE!
$342.99

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

$318.30 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Installation Kit

ES#3663755 - 8k0805201KT - Radiator Installation Kit - Everything you need to install your new radiator - Assembled By ECS - Audi

Everything you need to install your new radiator 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
3663755
Mfg#:
8K0805201KT
Ships in 1 day
ON SALE! SAVE 10%
$368.99

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

$333.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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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