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Audi A4 Engine Heating & Cooling Hoses

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Sensor Retaining Clip - Priced Each

ES#2535127 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - URO - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535127
Mfg#:
032121142
In Stock
$1.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Union - With Seals

ES#1884567 - 06H121131C - Water Pump Union - With Seals - Connection point between the oil cooler and the water pump assembly - Includes o-rings - Genuine Volkswagen Audi - Audi Volkswagen

Connection point between the oil cooler and the water pump assembly - Includes o-rings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1884567
Mfg#:
06H121131C
In Stock
30% off MSRP

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

$21.58

This product was last offered at the strikethrough price on
06-26-2026

$15.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

heater valve

ES#308586 - 1J0819809 - heater valve - Allows coolant flow based upon vacuum applied - Genuine Volkswagen Audi - Audi Volkswagen

Allows coolant flow based upon vacuum applied

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
308586
Mfg#:
1J0819809
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.

$93.99

This product was last offered at the strikethrough price on
02-26-2026

$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#452780 - 8K1819371AB - Heater Core Hose - Return - Connects the heater core to the hard water pipe - Genuine Volkswagen Audi - Audi

Connects the heater core to the hard water pipe Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452780
Mfg#:
8K1819371AB
Ships in 2 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.

$150.99

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

$137.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#259718 - N90687001 - Spring Clamp - Priced Each - Install new hardware with your new parts. 27x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 27x12 Secures the return/supply hoses to the heater core

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259718
Mfg#:
N90687001
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose

ES#3463391 - 8E1819373R - Coolant Return Hose - Connects the heater core to the hard coolant pipe - Hudson - Audi

Connects the heater core to the hard coolant pipe

Brand:
Hudson - Corporate Logo
ES#:
3463391
Mfg#:
8E1819373R
In Stock
ON SALE!
$27.89

This product was last offered at the strikethrough price on
06-25-2026

$26.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Banjo Bolt - Priced Each

ES#466877 - N0210742 - Banjo Bolt - Priced Each - Secures the coolant lines to the turbocharger. M14x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the coolant lines to the turbocharger. M14x1.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466877
Mfg#:
N0210742
Ships in 1-2 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.

$29.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#2627303 - 8E1819371B - Heater Core Hose - Supply - Connects the flange to the heater core pipe - Rein - Audi

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

Brand:
Rein - Corporate Logo
ES#:
2627303
Mfg#:
8E1819371B
In Stock
$29.99

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

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Coolant Hose - Return

ES#5373946 - 06H121492D - Turbocharger Coolant Hose - Return - Connects the turbocharger to the water pipe - Bremmen Parts - Audi

Connects the turbocharger to the water pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5373946
Mfg#:
06H121492D
Ships on Sep 28, 2026
Auto Notify
ON SALE! SAVE 21%
$71.99

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

$57.11 USD
Free Shipping
on orders $49 and up

Oil Cooler Hose - Supply

ES#280782 - 06E121058E - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water tube - Genuine Volkswagen Audi - Audi

Connects the oil cooler to the hard water tube

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280782
Mfg#:
06E121058E
In Stock
31% off MSRP

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

$34.99

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

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

Turbo Cooling Hose - Return Line

ES#4899610 - 06D121492J - Turbo Cooling Hose - Return Line - Connects the turbocharger to the hard water pipe - Rein - Audi

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

Brand:
Rein - Corporate Logo
ES#:
4899610
Mfg#:
06D121492J
Back Ordered
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Band Clamp - Priced Each

ES#470518 - N90686701 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 14x12mm - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 14x12mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470518
Mfg#:
N90686701
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Hose

ES#1864244 - 8K0121081AH - Coolant Expansion Tank Hose - Located between the coolant expansion tank and the cylinder head coolant flange - Genuine Volkswagen Audi - Audi

Located between the coolant expansion tank and the cylinder head coolant flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1864244
Mfg#:
8K0121081AH
In Stock
ON SALE!
$100.99

This product was last offered at the strikethrough price on
06-25-2026

$95.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Hose

ES#4809603 - 8K0121081AH - Coolant Expansion Tank Hose - Located between the coolant expansion tank and the cylinder head coolant flange - Rein - Audi

Located between the coolant expansion tank and the cylinder head coolant flange 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4809603
Mfg#:
8K0121081AH
In Stock
ON SALE!
$53.99

This product was last offered at the strikethrough price on
06-25-2026

$51.29 USD
Free Shipping
on orders $49 and up

Radiator Hose - Upper

ES#3199853 - 8E0121101J - Radiator Hose - Upper - Runs from the radiator to the water pipe and expansion tank. - Vaico - Audi

Runs from the radiator to the water pipe and expansion tank. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3199853
Mfg#:
8E0121101J
In Stock at Vendor
$139.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System o-ring - Priced Each

ES#382352 - 4E0121666 - Cooling System o-ring - Priced Each - Ensure a proper seal on your cooling system. 38x4mm - Genuine Volkswagen Audi - Audi

Ensure a proper seal on your cooling system. 38x4mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
382352
Mfg#:
4E0121666
In Stock
10% off MSRP

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

$6.64

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

$5.99 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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