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Audi B5 Engine Heating & Cooling Hoses

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Throttle Body Coolant Hose - Left

ES#283607 - 078121188 - Throttle Body Coolant Hose - Left - Connects the coolant pipe to the throttle body - Genuine Volkswagen Audi - Audi Volkswagen

Connects the coolant pipe to the throttle body Engine code AHA

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283607
Mfg#:
078121188
Ships in 1 day
14% off MSRP

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

$28.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3463358 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Hudson - Audi Volkswagen

Connects the lower radiator port to the thermostat housing

Brand:
Hudson - Corporate Logo
ES#:
3463358
Mfg#:
8D0121055T
Ships in 3 Business Days
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump Hose

ES#6800 - 078121082E - Auxiliary Water Pump Hose - Connects the auxiliary water pump to the coolant pipe under the intake manifold - Original Equipment Supplier - Audi

Connects the auxiliary water pump to the coolant pipe under the intake manifold

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
6800
Mfg#:
078121082E
Back Ordered
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2802751 - 8D0121055E - Radiator Hose - Lower - Connects lower radiator port to the thermostat housing - Rein - Audi Volkswagen

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

Brand:
Rein - Corporate Logo
ES#:
2802751
Mfg#:
8D0121055E
Ships in 3 Business Days
ON SALE!
$25.99

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

$24.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Coolant Hose - left

ES#283609 - 078121188B - Throttle Body Coolant Hose - left - Connects the coolant pipe to the throttle body - Genuine Volkswagen Audi - Audi Volkswagen

Connects the coolant pipe to the throttle body Engine code ATQ

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283609
Mfg#:
078121188B
Ships in 3 Business Days
12% off MSRP

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

$24.99

This product was last offered at the strikethrough price on
09-09-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose

ES#3463360 - 8D0121101K - Upper Radiator Hose - Connects the upper radiator port to the hard water pipe - Hudson - Audi

Connects the upper radiator port to the hard water pipe

Brand:
Hudson - Corporate Logo
ES#:
3463360
Mfg#:
8D0121101K
Ships in 1 day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

Connects the lower radiator port to the thermostat housing

Brand:
Burgaflex - Corporate Logo
ES#:
4349554
Mfg#:
8D0121055T
Ships in 8 Business Days
$15.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#3235892 - 8D0819373N - Heater Core Hose - Return - Connects the heater core to the hard water pipe - Gates - Audi Volkswagen

Connects the heater core to the hard water pipe From VIN 8D-V-143893, split is in the 1997 model year

Brand:
Gates - Corporate Logo
ES#:
3235892
Mfg#:
8D0819373N
Ships on Sep 29, 2026
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Coolant Hose - left

ES#4818505 - 078121188B - Throttle Body Coolant Hose - left - Connects the coolant pipe to the throttle body - Bremmen Parts - Audi Volkswagen

Connects the coolant pipe to the throttle body 10X Entries Into Our F80 M3 Sweepstakes

Engine code ATQ

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818505
Mfg#:
078121188B
In Stock
Limited Qty Sale
$10.99

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

$7.99 USD
Free Shipping
on orders $49 and up

Oil Cooler Hose - Supply

ES#3462987 - 06B121058S - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Hudson - Audi Volkswagen

Connects the oil cooler to the hard water pipe

Brand:
Hudson - Corporate Logo
ES#:
3462987
Mfg#:
06B121058S
Ships in 3 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Return

ES#7187 - 058121058B - Oil Cooler Hose - Return - Connects the oil cooler to the hard water tube - Elaplast - Audi Volkswagen

Connects the oil cooler to the hard water tube

Brand:
Elaplast - Corporate Logo
ES#:
7187
Mfg#:
058121058B
Special Order: No Guaranteed ETA
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#3194961 - 058121058R - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Vaico - Audi Volkswagen

Connects the oil cooler to the hard water pipe We Price Match - Give Us A Call or Chat!
From VIN 8D-X-200001, split is in the 1999 model year

Brand:
Vaico - Corporate Logo
ES#:
3194961
Mfg#:
058121058R
Ships in 1 Business Day
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Return

ES#2878441 - 058121471B - Turbo Coolant Hose - Return - Connects the turbocharger to the hard water pipe - Vaico - Audi Volkswagen

Connects the turbocharger to the hard water pipe We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2878441
Mfg#:
058121471B
Special Order: No Guaranteed ETA
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#2575462 - 06B121058S - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Meyle - Audi Volkswagen

Connects the oil cooler to the hard water pipe 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2575462
Mfg#:
06B121058S
Ships on Dec 10, 2026
Auto Notify
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Coolant Hose - Left

ES#4811056 - 078121188B - Throttle Body Coolant Hose - Left - Connects the coolant pipe to the throttle body - Vaico - Audi Volkswagen

Connects the coolant pipe to the throttle body We Price Match - Give Us A Call or Chat!
Engine code ATQ

Brand:
Vaico - Corporate Logo
ES#:
4811056
Mfg#:
078121188B
Ships in 1 day
$10.99

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

$8.99 USD
Free Shipping
on orders $49 and up

Coolant Hose

ES#3183629 - 078121096H - Coolant Hose - Connects coolant pipe to oil cooler housing - MTC - Audi Volkswagen

Connects coolant pipe to oil cooler housing

Brand:
MTC - Corporate Logo
ES#:
3183629
Mfg#:
078121096H
Ships in 9 Business Days
$8.15 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.

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