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Audi A4 Engine Heating & Cooling Hoses

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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 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
Engine code ATQ

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283609
Mfg#:
078121188B
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.

$24.99

This product was last offered at the strikethrough price on
10-26-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose

ES#2804021 - 06C121058A - Cooling Hose - Runs from oil cooler to water pipe - Rein - Audi

Runs from oil cooler to 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#:
2804021
Mfg#:
06C121058A
Back Ordered
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

ES#2802784 - 06D121058Q - Oil Cooler Hose - Connects oil cooler to hard coolant pipe - Rein - Audi

Connects oil cooler to hard coolant 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#:
2802784
Mfg#:
06D121058Q
Ships in 2 Business Days
$12.99

This product was last offered at the strikethrough price on
10-21-2026

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Hose

ES#4818186 - 06D121101B - Coolant Flange Hose - Connects the rear coolant flange to the hard water pipe - URO - Audi

Connects the rear coolant flange 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:
URO - Corporate Logo
ES#:
4818186
Mfg#:
06D121101B
Ships in 2 Business Days
$6.99 USD
Free Shipping
on orders $49 and up

Turbo Coolant Hose - Return

ES#3462968 - 058121471B - Turbo Coolant Hose - Return - Connects the turbocharger to the hard water pipe - Rapro - Audi Volkswagen

Connects the turbocharger to the hard water pipe 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:
Rapro - Corporate Logo
ES#:
3462968
Mfg#:
058121471B
Ships in 1-2 days
$7.99

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

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place 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:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
In Stock
$3.99 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 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:
Hudson - Corporate Logo
ES#:
3463360
Mfg#:
8D0121101K
Ships in 1-2 days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#4880699 - 8E1819371B - Heater Core Hose - Supply - Connects the flange to the heater core pipe - URO - Audi

Connects the flange to the heater core 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:
URO - Corporate Logo
ES#:
4880699
Mfg#:
8E1819371B
Back Ordered
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

ES#4055320 - 078121058AN - Oil Cooler Hose - Connects the oil cooler to the upper coolant pipe - Vaico - Audi Volkswagen

Connects the oil cooler to the upper coolant pipe 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!
From the 2000 model year

Brand:
Vaico - Corporate Logo
ES#:
4055320
Mfg#:
078121058AN
Special Order: No Guaranteed ETA
$16.99 USD
Free Shipping
on orders $49 and up
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 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
From VIN 8D-V-143893, split is in the 1997 model year

Brand:
Gates - Corporate Logo
ES#:
3235892
Mfg#:
8D0819373N
Ships on Nov 18, 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 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

Engine code ATQ

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818505
Mfg#:
078121188B
In Stock
ON SALE! SAVE 27%
$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 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:
Hudson - Corporate Logo
ES#:
3462987
Mfg#:
06B121058S
Ships in 4 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat hose

ES#280804 - 06E121445B - Thermostat hose - Connects the thermostat to the coolant flange - Genuine Volkswagen Audi - Audi

Connects the thermostat to the coolant flange 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:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280804
Mfg#:
06E121445B
Ships in 3 Business Days
17% off MSRP

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

$17.99

This product was last offered at the strikethrough price on
10-26-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp (21x12) - Priced Each

ES#280095 - 06B145917A - Spring Clamp (21x12) - Priced Each - Spring band clamp used in various areas on your European vehicle - Genuine Volkswagen Audi - Audi

Spring band clamp used in various areas on your European vehicle 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 expansion tank vent hose on both sides

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280095
Mfg#:
06B145917A
Ships in 1-2 days
17% off MSRP

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

$17.99

This product was last offered at the strikethrough price on
10-26-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

ES#280422 - 06D121058Q - Oil Cooler Hose - Connects oil cooler to hard coolant pipe - Genuine Volkswagen Audi - Audi

Connects oil cooler to hard coolant pipe 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:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280422
Mfg#:
06D121058Q
Ships in 5 Business 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.

$20.92

This product was last offered at the strikethrough price on
10-21-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply - (NO LONGER AVAILABLE)

ES#2801515 - 06E121058E - Oil Cooler Hose - Supply - (NO LONGER AVAILABLE) - Connects the oil cooler to the hard water tube - Rein - Audi

Connects the oil cooler to the hard water tube 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#:
2801515
Mfg#:
06E121058E
Ships in 4 Business Days
$13.99 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.

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