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Audi Engine Heating & Cooling Hoses

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Coolant Bypass Hose

ES#2993398 - 06L121081K - Coolant Bypass Hose - connects to coolant hose connector that mounts in the cylinder head - Genuine Volkswagen Audi - Audi

connects to coolant hose connector that mounts in the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2993398
Mfg#:
06L121081K
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.

$78.99

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

$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#4689768 - 5Q0122101EA - Radiator Hose - Upper - Connects upper radiator to the coupling piece, includes quick disconnect - Bremmen Parts - Audi Volkswagen

Connects upper radiator to the coupling piece, includes quick disconnect 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4689768
Mfg#:
5Q0122101EA
Ships on Sep 28, 2026
ON SALE!
$86.99

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

$84.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose

ES#2575466 - 8E0121049N - Lower Radiator Hose - Connects the lower radiator to the expansion tank and thermostat housing - Rein - Audi

Connects the lower radiator to the expansion tank and thermostat housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2575466
Mfg#:
8E0121049N
Ships in 3 Business Days
ON SALE! SAVE 16%
$91.58

This product was last offered at the strikethrough price on
08-26-2026

$76.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#436137 - 8E0121049L - Radiator Hose - Lower - Connects the lower radiator port to the expansion tank and thermostat housing - Genuine Volkswagen Audi - Audi

Connects the lower radiator port to the expansion tank and thermostat housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436137
Mfg#:
8E0121049L
Ships in 4 Business Days
$182.99

This product was last offered at the strikethrough price on
05-04-2026

$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3714095 - 1K0122051GL - Radiator Hose - Lower - Includes quick disconnect piece - Rein - Audi Volkswagen

Includes quick disconnect piece 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines only

Brand:
Rein - Corporate Logo
ES#:
3714095
Mfg#:
1K0122051GL
Ships in 4 Business Days
ON SALE!
$57.99

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

$55.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Coolant Hose Kit - Select Your Color

ES#4660181 - AUT-MK5-002 - Silicone Coolant Hose Kit - Select Your Color - Replace your stock rubber hoses with silicone - Autobahn Autoworx - Audi Volkswagen

Replace your stock rubber hoses with silicone Install photos also show the Silicone PCV Hose Set (ES4362450) which is not included but available separately.

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4660181
Mfg#:
AUT-MK5-002
Ships in 2 Business Days
Starting at $200.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#4933047 - 1K0122073FN - Heater Core Hose - Return - Connects the heater core pipe to the flange - URO - Audi Volkswagen

Connects the heater core pipe to the flange 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with TSI engines only

Brand:
URO - Corporate Logo
ES#:
4933047
Mfg#:
1K0122073FN
In Stock
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#450262 - 8K0121055 - Radiator Hose - Lower - Connects the lower radiator port to the water pump - Genuine Volkswagen Audi - Audi

Connects the lower radiator port to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450262
Mfg#:
8K0121055
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.

$98.34

This product was last offered at the strikethrough price on
08-13-2026

$89.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#4772999 - 8E1819373R - Heater Core Hose - Return - Connects the heater core to the hard coolant pipe - Bremmen Parts - Audi

Connects the heater core to the hard coolant pipe 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772999
Mfg#:
8E1819373R
In Stock
ON SALE! SAVE 22%
$20.99

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

$16.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Coolant hose - Supply

ES#4818480 - 06H121497B - Turbocharger Coolant hose - Supply - Supplies coolant to the turbocharger - Bremmen Parts - Audi

Supplies coolant to the turbocharger 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818480
Mfg#:
06H121497B
In Stock
$55.99 USD
Free Shipping
on orders $49 and up

Spring Clamp - Priced Each

ES#259718 - N90687001 - Spring Clamp - Priced Each - Install new hardware with your new parts. 27x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 27x12 Secures the return/supply hoses to the heater core

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259718
Mfg#:
N90687001
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Banjo Bolt - Priced Each

ES#4810627 - 06A145541J - Banjo Bolt - Priced Each - Hollow bolt that allows fluid to pass through. M14x26 - Rein - Audi Volkswagen

Hollow bolt that allows fluid to pass through. M14x26 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810627
Mfg#:
06A145541J
In Stock
ON SALE!
$20.99

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

$19.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose - Left

ES#3497667 - 80A122101BK - Upper Radiator Hose - Left - Replace your aging or leaking upper radiator hose with this direct-fit Genuine replacement - Genuine Volkswagen Audi - Audi

Replace your aging or leaking upper radiator hose with this direct-fit Genuine replacement

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3497667
Mfg#:
80A122101BK
Ships in 1-2 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.

$170.00

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

$153.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3442749 - 1K0122101LA - Radiator Hose - Upper - Connects the upper radiator port to the water pump housing and transmission cooler - Rein - Audi Volkswagen

Connects the upper radiator port to the water pump housing and transmission cooler 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For TSI engine models with a CBFA engine code and automatic transmission only

Brand:
Rein - Corporate Logo
ES#:
3442749
Mfg#:
1K0122101LA
Ships in 4 Business Days
ON SALE!
$99.99

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

$94.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Union - With Seals

ES#1884567 - 06H121131C - Water Pump Union - With Seals - Connection point between the oil cooler and the water pump assembly - Includes o-rings - Genuine Volkswagen Audi - Audi Volkswagen

Connection point between the oil cooler and the water pump assembly - Includes o-rings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1884567
Mfg#:
06H121131C
In Stock
30% off MSRP

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

$21.58

This product was last offered at the strikethrough price on
06-26-2026

$15.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Lower Hose

ES#450280 - 8K0121109Q - Expansion Tank Lower Hose - Connects the lower radiator hose to the expansion tank - Genuine Volkswagen Audi - Audi

Connects the lower radiator hose to the expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450280
Mfg#:
8K0121109Q
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.

$115.00

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

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Heating & Cooling Hoses

Over time, the rubber cooling hoses in your engine's cooling system become brittle and can burst or crack, resulting in a coolant leak. Replace old and tired coolant hoses with OEM cooling hoses or quality aftermarket options to save some money.

Other Audi Engine Heating & Cooling Hoses

Let us help you find the parts that fit your Audi

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