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Audi Engine Heating & Cooling Hoses

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Radiator Hose - Upper

ES#2539665 - 1K0122101KS - Radiator Hose - Upper - Connects the upper radiator port to the water pump housing - Genuine Volkswagen Audi - Audi Volkswagen

Connects the upper radiator port to the water pump housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code CETA with manual transmissions

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2539665
Mfg#:
1K0122101KS
In Stock
6% off MSRP

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

$159.99

This product was last offered at the strikethrough price on
06-07-2026

$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Upper Hose

ES#450265 - 8K0121081AB - Expansion Tank Upper Hose - Overflow relief hose for the radiator - Genuine Volkswagen Audi - Audi

Overflow relief hose for the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450265
Mfg#:
8K0121081AB
Ships in 1-2 days
28% off MSRP

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

$60.00

This product was last offered at the strikethrough price on
02-23-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#315436 - 1K0122157HE - Heater Core Hose - Supply - Connects the heater core pipe to the flange - Genuine Volkswagen Audi - Audi Volkswagen

Connects the heater core pipe to the flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315436
Mfg#:
1K0122157HE
In Stock
14% 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
02-23-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#4818196 - 1K0122157HE - Heater Core Hose - Supply - Connects the heater core pipe to the flange - URO - Audi Volkswagen

Connects the heater core pipe to the flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
URO - Corporate Logo
ES#:
4818196
Mfg#:
1K0122157HE
In Stock
$32.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436137
Mfg#:
8E0121049L
Ships in 2 Business Days
$246.99

This product was last offered at the strikethrough price on
12-20-2025

$177.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Supply

ES#4069247 - 06B121497F - Turbo Coolant Hose - Supply - Connects the turbocharger to the connection flange - Rein - Audi Volkswagen

Connects the turbocharger to the connection flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069247
Mfg#:
06B121497F
In Stock at Vendor
$76.99

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

$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - priced each

ES#471885 - N91096801 - Torx Bolt - priced each - Bolts transmission oil pan to transmission. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Bolts transmission oil pan to transmission. M6x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471885
Mfg#:
N91096801
In Stock
$1.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 1 Business Day
Starting at $200.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#4899524 - 1K0122101KS - Radiator Hose - Upper - Connects the upper radiator port to the water pump housing - Rein - Audi Volkswagen

Connects the upper radiator port to the water pump housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For TSI engine models with manual transmissions only

Brand:
Rein - Corporate Logo
ES#:
4899524
Mfg#:
1K0122101KS
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Hose

ES#3677418 - 8E1819371T - Coolant Supply Hose - Connects the coolant flange to the heater core pipe - Hudson - Audi

Connects the coolant flange to the heater core pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3677418
Mfg#:
8E1819371T
In Stock
$38.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

1.8T/2.0T EA888 Gen3 & Evo4 Silicone Coolant Return Hose

ES#4500530 - 043365LA01 - 1.8T/2.0T EA888 Gen3 & Evo4 Silicone Coolant Return Hose - Replace the mushy rubber hose between the expansion tank and turbocharger with our Silicone Upgrade - ECS - Audi Volkswagen

Replace the mushy rubber hose between the expansion tank and turbocharger with our Silicone Upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4500530
Mfg#:
043365LA01
In Stock
ON SALE! SAVE 41%
$50.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Hose

ES#4818674 - 8K0121081AH - Coolant Expansion Tank Hose - Located between the coolant expansion tank and the cylinder head coolant flange - Bremmen Parts - Audi

Located between the coolant expansion tank and the cylinder head coolant flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818674
Mfg#:
8K0121081AH
In Stock
ON SALE! SAVE 20%
$45.99

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

$36.71 USD
Free Shipping
on orders $49 and up

Heater Core Pipe Gasket Set

ES#440737 - 8E0898380 - Heater Core Pipe Gasket Set - Includes the necessary gaskets and clamps for your new heater core - Genuine Volkswagen Audi - Audi Volkswagen

Includes the necessary gaskets and clamps for your new heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
440737
Mfg#:
8E0898380
In Stock
22% off MSRP

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

$31.58

This product was last offered at the strikethrough price on
02-23-2026

$24.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Return

ES#4766160 - 06J121492C - Turbo Coolant Hose - Return - Keep your turbo system cooled properly - Bremmen Parts - Audi Volkswagen

Keep your turbo system cooled properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Engine code CCTA

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766160
Mfg#:
06J121492C
In Stock
ON SALE! SAVE 20%
$79.99

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

$63.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Cooling System Upgrade Kit

ES#3086229 - 006368ecs01a1KT - Cast Aluminum Cooling System Upgrade Kit - Replace the failure prone components in your cooling system with cast aluminum - Assembled By ECS - Audi Volkswagen

Replace the failure prone components in your cooling system with cast aluminum affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without opening for thermal switch with engine code AMU

Brand:
Assembled By ECS - Corporate Logo
ES#:
3086229
Mfg#:
006368ECS01A1KT
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$231.99

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

$173.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Supply Pipe - Left Side

ES#2609416 - 079145909H - Turbo Coolant Supply Pipe - Left Side - Supplies coolant to the left side turbocharger - Genuine Volkswagen Audi - Audi

Supplies coolant to the left side turbocharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2609416
Mfg#:
079145909H
Ships in 3 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.

$116.99

This product was last offered at the strikethrough price on
06-07-2026

$106.99 USD
Free Shipping
on orders $49 and up
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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Manufacturer names and/or part numbers are used only for identification purposes.

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