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Audi Engine Heating & Cooling Hoses

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Expansion Tank Breather / Overflow Line

Uppermost hose located between the expansion tank and the hard water tube

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3233477
Mfg#:
8V0121372
Ships in 2 Business Days
15% off MSRP

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

$46.99

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Pair

ES#5482644 - 8d0819373nKT - Heater Core Hose - Pair - This kit includes both essential firewall lines, one connecting the heater core to the cylinder head flange, and the other connecting it to the hard water pipe. - Rein - Audi Volkswagen

This kit includes both essential firewall lines, one connecting the heater core to the cylinder head flange, and the other connecting it to the hard water pipe. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5482644
Mfg#:
8D0819373NKT
Back Ordered
$46.99

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

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Upper Hose

ES#4858114 - 8K0121081AB - Expansion Tank Upper Hose - Overflow relief hose for the radiator - Vaico - Audi

Overflow relief hose for the radiator We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4858114
Mfg#:
8K0121081AB
Special Order: No Guaranteed ETA
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Priced Each

ES#2515738 - 4A0121101C - Coolant Hose - Priced Each - Upper radiator hose to water tube and coolant reservoir - MTC - Audi

Upper radiator hose to water tube and coolant reservoir AAH, AFC Engine Codes Only

Brand:
MTC - Corporate Logo
ES#:
2515738
Mfg#:
4A0121101C
Ships in 9 Business Days
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Hose

ES#4780974 - 8K0121051C - Water Pump Hose - Connects the lower radiator hose t-fitting to the water pump - Vaico - Audi

Connects the lower radiator hose t-fitting to the water pump We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4780974
Mfg#:
8K0121051C
Special Order: No Guaranteed ETA
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

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

Coolant Output Hose

ES#2552606 - 079121057AF - Coolant Output Hose - Located between the water pump union pipe and the coolant output flange - Genuine Volkswagen Audi - Audi

Located between the water pump union pipe and the coolant output flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2552606
Mfg#:
079121057AF
Ships in 1-2 days
Limited Qty Sale
$20.99

This product was last offered at the strikethrough price on
10-14-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant supply hose

ES#286217 - 07L121053E - Coolant supply hose - Supplies coolant to the alternator - Genuine Volkswagen Audi - Audi

Supplies coolant to the alternator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
286217
Mfg#:
07L121053E
Ships in 4 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.

$19.99

This product was last offered at the strikethrough price on
10-30-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Split Coolant Fitting

ES#3470647 - 462-121-087E - Cast Aluminum Split Coolant Fitting - Replaces the failure prone, plastic coolant split pipe from the turbo & expansion tank to the water pipe hose - iABED Industries - Audi Volkswagen

Replaces the failure prone, plastic coolant split pipe from the turbo & expansion tank to the water pipe hose

Brand:
iABED Industries - Corporate Logo
ES#:
3470647
Mfg#:
462-121-087E
Back Ordered
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Coolant Hose - Return

ES#1910643 - 079121053AC - Alternator Coolant Hose - Return - Returns coolant from the alternator - Genuine Volkswagen Audi - Audi

Returns coolant from the alternator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1910643
Mfg#:
079121053AC
Ships in 1-2 days
15% off MSRP

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

$19.99

This product was last offered at the strikethrough price on
10-05-2026

$16.99 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
$32.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#2627318 - 8D0121101AF - Radiator Hose - Upper - Runs from radiator to reservoir and water pipe - Rein - Audi Volkswagen

Runs from radiator to reservoir and water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Fits from VIN 8D-T-236 145 - Split is in the 1996 model year

Brand:
Rein - Corporate Logo
ES#:
2627318
Mfg#:
8D0121101AF
In Stock
$44.99

This product was last offered at the strikethrough price on
10-22-2026

$32.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2803054 - 06F121057D - Coolant Hose - Rubber coolant hose that connects thermostat to coolant hard pipe - Rein - Audi

Rubber coolant hose that connects thermostat to coolant hard pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803054
Mfg#:
06F121057D
Ships in 1 Business Day
$4.07 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
16% 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
08-31-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose

ES#315197 - 1K0121063J - Coolant Return Hose - Connects the auxiliary water pump to the hard water pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects the auxiliary water pump to the hard water pipe For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315197
Mfg#:
1K0121063J
Ships in 1-2 days
16% 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
08-31-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#273090 - 034121063C - Coolant Hose - Small hose located between the water pump and the hard coolant pipe next to the block - Genuine Volkswagen Audi - Audi

Small hose located between the water pump and the hard coolant pipe next to the block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
273090
Mfg#:
034121063C
Ships in 1-2 days
16% 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
08-31-2026

$31.99 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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