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Audi A4 Engine Heating & Cooling Hoses

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Coolant Pipe

ES#2993401 - 06L121497AA - Coolant Pipe - Connects the turbo to the cooling system - Genuine Volkswagen Audi - Audi

Connects the turbo to the cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2993401
Mfg#:
06L121497AA
Ships in 2 Business Days
6% 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
07-24-2026

$107.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Cooling Hose Kit - Feed Line

ES#3149784 - 06D121497AKT - Turbo Cooling Hose Kit - Feed Line - Connects turbocharger to the connection flange - includes banjo bolts & washers - Genuine Volkswagen Audi - Audi

Connects turbocharger to the connection flange - includes banjo bolts & washers

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3149784
Mfg#:
06D121497AKT
Ships in 10 Business Days
$291.99

This product was last offered at the strikethrough price on
02-24-2026

$267.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

water pump Hose

ES#450261 - 8K0121051C - water pump Hose - Connects the lower radiator hose t-fitting to the water pump - Genuine Volkswagen Audi - Audi

Connects the lower radiator hose t-fitting to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450261
Mfg#:
8K0121051C
Ships in 2 Business Days
8% 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
07-24-2026

$105.99 USD
Free Shipping
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 For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818480
Mfg#:
06H121497B
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 21%
$54.99

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

$43.24 USD
Free Shipping
on orders $49 and up

Radiator Hose - Lower

ES#2872397 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Febi - Audi Volkswagen

Connects the lower radiator port to the thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
From VIN 8D -X-003501, split is in the 1999 model year

Brand:
Febi - Corporate Logo
ES#:
2872397
Mfg#:
8D0121055T
In Stock
$24.99

This product was last offered at the strikethrough price on
05-13-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2580402 - 8E0121049L - Radiator Hose - Lower - Connects the lower radiator port to the expansion tank and thermostat housing - Original Equipment Supplier - Audi

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

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2580402
Mfg#:
8E0121049L
Back Ordered
1% off MSRP

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

$119.60

This product was last offered at the strikethrough price on
07-24-2026

$117.99 USD
Free Shipping

Heater Valve

ES#3570087 - 1J0819809 - Heater Valve - Allows coolant flow based upon vacuum applied - URO - Audi Volkswagen

Allows coolant flow based upon vacuum applied 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3570087
Mfg#:
1J0819809
Ships in 1 Business Day
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Hose

ES#441709 - 8E1819371T - Coolant Supply Hose - Connects the coolant flange to the heater core pipe - Genuine Volkswagen Audi - Audi

Connects the coolant flange to the heater core pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
441709
Mfg#:
8E1819371T
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.

$123.99

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

$112.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#441716 - 8E1819373R - Heater Core Hose - Return - Connects the heater core to the hard coolant pipe - Genuine Volkswagen Audi - Audi

Connects the heater core to the hard coolant pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
441716
Mfg#:
8E1819373R
Ships in 2 Business Days
8% off MSRP

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

$121.99

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

$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4818503 - 078121096AD - Coolant Hose - Connects coolant pipe to oil cooler housing - Bremmen Parts - Audi Volkswagen

Connects coolant pipe to oil cooler housing 10X Entries For Our 25th Anniversary Sweepstakes!

From the 2000 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818503
Mfg#:
078121096AD
In Stock
ON SALE! SAVE 22%
$19.99

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

$15.50 USD
Free Shipping
on orders $49 and up

Upper Radiator Hose

ES#450273 - 8K0121101J - Upper Radiator Hose - Connects the upper radiator port to the hard water tube - Genuine Volkswagen Audi - Audi

Connects the upper radiator port to the hard water tube

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450273
Mfg#:
8K0121101J
Ships in 1-2 days
8% off MSRP

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

$156.99

This product was last offered at the strikethrough price on
07-24-2026

$143.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Coolant hose - Supply

ES#281438 - 06H121497B - Turbocharger Coolant hose - Supply - Supplies coolant to the turbocharger - Genuine Volkswagen Audi - Audi

Supplies coolant to the turbocharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281438
Mfg#:
06H121497B
Ships in 1-2 days
7% off MSRP

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

$153.99

This product was last offered at the strikethrough price on
07-24-2026

$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4818442 - 06B121101A - Coolant Hose - Connects the hard water pipe to the rear coolant flange - Bremmen Parts - Audi

Connects the hard water pipe to the rear coolant flange 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818442
Mfg#:
06B121101A
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 22%
$21.99

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

$17.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bypass Hose

ES#5341426 - 06L121081K - Coolant Bypass Hose - connects to coolant hose connector that mounts in the cylinder head - Rein - Audi

connects to coolant hose connector that mounts in the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341426
Mfg#:
06L121081K
Back Ordered
Auto Notify
$45.99 USD
Free Shipping
on orders $49 and up

Coolant Hose

ES#2627313 - 06B121101A - Coolant Hose - Connects the hard water pipe to the rear coolant flange - Rein - Audi

Connects the hard water pipe to the rear coolant flange 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627313
Mfg#:
06B121101A
Ships in 1 Business Day
ON SALE!
$32.99

This product was last offered at the strikethrough price on
06-19-2026

$30.06 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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