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Audi S4 Engine Heating & Cooling Hoses

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Temperature Sensor T-Fitting

ES#362450 - 4A0819497 - Temperature Sensor T-Fitting - Stationed in-line with the heater core feed hoses, this piece houses the 2-pin temp sensor - Genuine Volkswagen Audi - Audi

Stationed in-line with the heater core feed hoses, this piece houses the 2-pin temp sensor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
362450
Mfg#:
4A0819497
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.

$21.99

This product was last offered at the strikethrough price on
09-06-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3463364 - 8E0121070B - Radiator Hose - Upper - Includes quick disconnect piece - Feed Hose - Hudson - Audi

Includes quick disconnect piece - Feed Hose

Brand:
Hudson - Corporate Logo
ES#:
3463364
Mfg#:
8E0121070B
Ships in 1-2 days
$117.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#2540984 - 8K0819371J - Heater Core Hose - Return - Connects the heater core to the adapter flange - Genuine Volkswagen Audi - Audi

Connects the heater core to the adapter flange From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540984
Mfg#:
8K0819371J
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.

$33.99

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

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

Radiator Hose - Lower

ES#3235886 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Gates - Audi Volkswagen

Connects the lower radiator port to the thermostat housing

Brand:
Gates - Corporate Logo
ES#:
3235886
Mfg#:
8D0121055T
Ships on Sep 25, 2026
$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#470730 - N90770201 - Spring Clamp - Priced Each - Ensure a proper seal on hose connections. 17x12 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal on hose connections. 17x12

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470730
Mfg#:
N90770201
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#468215 - N10451405 - Bolt - Priced Each - Install new hardware with your new parts. M6x16 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x16 Used to secure hard coolant supply pipe to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468215
Mfg#:
N10451405
In Stock
$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe O-Ring - Priced Each

ES#3419348 - N90765301 - Coolant Pipe O-Ring - Priced Each - Provides seal from metal to plastic cooling line end fitting. 32X4 - Rein - Audi Volkswagen

Provides seal from metal to plastic cooling line end fitting. 32X4 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419348
Mfg#:
N90765301
Ships in 1 Business Day
ON SALE!
$1.01

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

$0.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Coolant Radiator House

ES#3180934 - 8W0122055AM - Lower Coolant Radiator House - Hose that connects to the lower flange on the passenger side of the car - Genuine Volkswagen Audi - Audi

Hose that connects to the lower flange on the passenger side of the car

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3180934
Mfg#:
8W0122055AM
In Stock
ON SALE! SAVE 10%
$103.99

This product was last offered at the strikethrough price on
06-15-2026

$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Distribution Pipe

ES#2597928 - 1J0121087B - Coolant Distribution Pipe - Three way connector that attaches directly to the upper radiator hose - URO - Audi Volkswagen

Three way connector that attaches directly to the upper radiator hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2597928
Mfg#:
1J0121087B
Ships in 1 Business Day
$3.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose - Left

ES#1598007 - 8K0121109T - Lower Radiator Hose - Left - Connects the lower left radiator port to the water pipe - Genuine Volkswagen Audi - Audi

Connects the lower left radiator port to the water pipe Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1598007
Mfg#:
8K0121109T
Ships in 6 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.

$101.99

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

$91.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant connector hose

ES#284744 - 079121055F - Coolant connector hose - Connects the left side water tube to the cylinder head flange - Genuine Volkswagen Audi - Audi

Connects the left side water tube to the cylinder head flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284744
Mfg#:
079121055F
Ships in 1-2 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.

$22.00

This product was last offered at the strikethrough price on
09-06-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose - Left

ES#2540786 - 8K0121109AD - Lower Radiator Hose - Left - Connects the lower left radiator port to the water pipe - Genuine Volkswagen Audi - Audi

Connects the lower left radiator port to the water pipe From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540786
Mfg#:
8K0121109AD
Ships in 1-2 days
13% 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
08-31-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Coupler

ES#3189483 - 627-000 - Cooling System Coupler - Keep your cooling system leak free - Dorman - Audi Volkswagen

Keep your cooling system leak free From the 2013 model year. Allows connection of the left lower radiator hose to the port

Brand:
Dorman - Corporate Logo
ES#:
3189483
Mfg#:
627-000
Ships in 4 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#6802 - N90560701 - O-Ring - Priced Each - 30x5 - Ensure a proper seal with a new o-ring - Victor Reinz - Audi

30x5 - Ensure a proper seal with a new o-ring O-Ring on back of cylinder head that seals metal water pipe to heads & center coolant pipe, 3 per car

Brand:
Victor Reinz - Corporate Logo
ES#:
6802
Mfg#:
N90560701
In Stock
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#452783 - 8K1819371AM - Heater Core Hose - Supply - Connects the heater core to the heater valve - Genuine Volkswagen Audi - Audi

Connects the heater core to the heater valve Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
452783
Mfg#:
8K1819371AM
Ships in 7 Business Days
$66.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#5373973 - 078121058AM - Oil Cooler Hose - Supply - Connects the oil cooler to the water pipe - Rein - Audi

Connects the oil cooler to the water pipe 2X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-Y-033556, split is in the 2000 model year

Brand:
Rein - Corporate Logo
ES#:
5373973
Mfg#:
078121058AM
Back Ordered
Auto Notify
ON SALE! SAVE 16%
$6.99

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

$5.85 USD
Free Shipping
on orders $49 and up

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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