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Audi B8/B8.5 A5 Quattro V6 3.2L

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Audi B8/B8.5 A5 Quattro V6 3.2L Engine Heating & Cooling Hoses

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Expansion Tank Hose

ES#450277 - 8K0121109AA - Expansion Tank Hose - Connects the expansion tank to the radiator - Genuine Volkswagen Audi - Audi

Connects the expansion tank to the radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450277
Mfg#:
8K0121109AA
Special Order: No Guaranteed ETA
8% off MSRP

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

$154.99

This product was last offered at the strikethrough price on
08-15-2026

$141.99 USD
Free Shipping
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

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

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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803241
Mfg#:
06E121445B
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Return

ES#2803278 - 06E121082C - Oil Cooler Hose - Return - Connects the oil cooler to the hard water tube - Rein - Audi

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

Brand:
Rein - Corporate Logo
ES#:
2803278
Mfg#:
06E121082C
In Stock at Vendor
$12.99 USD
Free Shipping
on orders $49 and up

Coolant T Connector Kit

ES#3176255 - N90692901KT - Coolant T Connector Kit - Connects lower radiator hose to expansion tank - Includes clamps - Assembled By ECS - Audi

Connects lower radiator hose to expansion tank - Includes clamps 10X Entries For Our 25th Anniversary Sweepstakes!
Connects lower radiator hose to the coolant expansion tank

Brand:
Assembled By ECS - Corporate Logo
ES#:
3176255
Mfg#:
N90692901KT
Ships in 1 Business Day
ON SALE! SAVE 10%
$35.99

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

$32.31 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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280804
Mfg#:
06E121445B
Ships in 1-2 days
11% 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
08-15-2026

$15.99 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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801515
Mfg#:
06E121058E
Ships in 3 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Hose

ES#4818189 - 06E121445B - Thermostat Hose - Connects the thermostat to the coolant flange - URO - Audi

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

Brand:
URO - Corporate Logo
ES#:
4818189
Mfg#:
06E121445B
Ships in 1 Business Day
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Retaining Clip - Priced Each

ES#4941347 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose flange in place. 32mm - Bremmen Parts - Audi Volkswagen

Secures the radiator hose flange in place. 32mm 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4941347
Mfg#:
1J0121142
Back Ordered
Auto Notify
ON SALE! SAVE 57%
$1.99

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

$0.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose

ES#4039639 - 8K0121101J - Upper Radiator Hose - Connects the upper radiator port to the hard water tube - Vaico - Audi

Connects the upper radiator port to the hard water tube We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039639
Mfg#:
8K0121101J
Special Order: No Guaranteed ETA
$44.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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