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Audi A4 Engine Heating & Cooling Hoses

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Radiator Hose - Upper

ES#3235887 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Gates - Audi Volkswagen

Connects the upper radiator port to the hard water pipe

Brand:
Gates - Corporate Logo
ES#:
3235887
Mfg#:
8D0121101K
Ships on Sep 29, 2026
$62.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

coolant Flange hose

ES#280428 - 06D121101B - coolant Flange hose - Connects the rear coolant flange to the hard water pipe - Genuine Volkswagen Audi - Audi

Connects the rear coolant flange to the hard water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280428
Mfg#:
06D121101B
Ships in 5 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.

$31.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2803793 - 06D121082B - Coolant Hose - Connects the distribution pipe to the hard pipe leading to the turbo - Rein - Audi

Connects the distribution pipe to the hard pipe leading to the turbo 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803793
Mfg#:
06D121082B
In Stock at Vendor
ON SALE!
$7.71

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

$7.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3463132 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Hudson - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank

Brand:
Hudson - Corporate Logo
ES#:
3463132
Mfg#:
4B0121055J
Ships in 1 day
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Line Install Kit (Return)

ES#3149748 - 06d121492jKT - Turbo Coolant Line Install Kit (Return) - Consists of banjo bolts and crush washers for a complete return line install - Genuine Volkswagen Audi - Audi

Consists of banjo bolts and crush washers for a complete return line install

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3149748
Mfg#:
06D121492JKT
Ships in 3 Business Days
$53.99 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
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4880699
Mfg#:
8E1819371B
Back Ordered
Auto Notify
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#2627307 - 8E1819373R - Heater Core Hose - Return - Connects the heater core to the hard coolant pipe - Rein - Audi

Connects the heater core to the hard coolant pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627307
Mfg#:
8E1819373R
Ships in 3 Business Days
$26.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

auxiliary water pump hose - lower

ES#281426 - 06H121057G - auxiliary water pump hose - lower - Connects the side port of the auxiliary water pump to the coolant pipe - Genuine Volkswagen Audi - Audi

Connects the side port of the auxiliary water pump to the coolant pipe Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281426
Mfg#:
06H121057G
Ships in 1-2 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.

$59.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

auxiliary water pump hose - upper

ES#281425 - 06H121057E - auxiliary water pump hose - upper - Connects the top port of the auxiliary water pump to the coolant pipe - Genuine Volkswagen Audi - Audi

Connects the top port of the auxiliary water pump to the coolant pipe Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281425
Mfg#:
06H121057E
Ships in 1-2 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.

$59.99

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

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#3463362 - 8D0819371H - Heater Core Hose - Supply - Connects the heater core to the cylinder head flange - Hudson - Audi Volkswagen

Connects the heater core to the cylinder head flange

Brand:
Hudson - Corporate Logo
ES#:
3463362
Mfg#:
8D0819371H
Ships in 3 Business Days
$25.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Pipe Set

ES#442058 - 8E1898350 - Heater Core Pipe Set - Connects the heater core to the coolant hoses - Genuine Volkswagen Audi - Audi

Connects the heater core to the coolant hoses

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
442058
Mfg#:
8E1898350
Ships in 4 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.

$57.99

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

$50.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#280016 - 06B121101A - Coolant Hose - Connects the hard water pipe to the rear coolant flange - Genuine Volkswagen Audi - Audi

Connects the hard water pipe to the rear coolant flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280016
Mfg#:
06B121101A
Ships in 5 Business Days
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#4940095 - 032121142 - Sensor Retaining Clip - Priced Each - Used for ECS 2.0T boost taps - Bremmen Parts - Audi Volkswagen

Used for ECS 2.0T boost taps 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940095
Mfg#:
032121142
In Stock
ON SALE! SAVE 59%
$1.99

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

$0.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#4696212 - 4b0121055f - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Febi - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank We Price Match - Give Us A Call or Chat!
From VIN 8D-Y-120001, split is in the 2000 model year

Brand:
Febi - Corporate Logo
ES#:
4696212
Mfg#:
4B0121055F
Ships in 1-2 days
$50.99

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

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Hose

ES#4920210 - 8K0121081AH - Coolant Expansion Tank Hose - Located between the coolant expansion tank and the cylinder head coolant flange - URO - Audi

Located between the coolant expansion tank and the cylinder head coolant flange 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
4920210
Mfg#:
8K0121081AH
Back Ordered
$49.99 USD
Free Shipping
on orders $49 and up

Thermostat Hose

ES#2803241 - 06E121445B - Thermostat Hose - Connects the thermostat to the coolant flange - Rein - Audi

Connects the thermostat to the coolant flange 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803241
Mfg#:
06E121445B
In Stock at Vendor
$9.99 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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