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Audi B6 Engine Cooling Parts

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ES#3690266 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Vaico - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3690266
Mfg#:
5Q0121321
Ships on Sep 29, 2026
$18.99

This product was last offered at the strikethrough price on
04-02-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#523306 - 06C121004H - Water Pump - With Gasket - With a long lasting metal impeller to prevent coolant overheating - Geba - Audi

With a long lasting metal impeller to prevent coolant overheating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Geba - Corporate Logo
ES#:
523306
Mfg#:
06C121004H
Ships in 1-2 days
$78.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3463391
Mfg#:
8E1819373R
In Stock
$27.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
ES#302264 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Genuine Volkswagen Audi - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302264
Mfg#:
1H0121687A
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1905561 - 8E0121251C - Radiator - Keep your cooling system operating properly - Nissens - Audi

Keep your cooling system operating properly We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
1905561
Mfg#:
8E0121251C
In Stock at Vendor
$332.99

This product was last offered at the strikethrough price on
04-10-2026

$220.37 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#6661 - N90945002 - Allen/Hex Bolt - Priced Each - Install new hardware with your new parts. M7x21.5mm - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x21.5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6661
Mfg#:
N90945002
In Stock
Limited Qty Sale
29% off MSRP

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

$8.49

This product was last offered at the strikethrough price on
01-03-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2593820 - 079121111JKT3 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes thermostat with housing.

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593820
Mfg#:
079121111JKT3
In Stock at Vendor
$673.99

This product was last offered at the strikethrough price on
01-26-2026

$656.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#248408 - 8E0121251AQ - Radiator     - Keep your cooling system operating properly - Genuine Volkswagen Audi - Audi

Keep your cooling system operating properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
248408
Mfg#:
8E0121251AQ
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.

$734.99

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

$671.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3545339 - 3452 - Radiator  - Fix leaks and keep your cooling system efficient - Featuring OEM specified Plastic Tank/Aluminum Core Construction - CSF - Audi

Fix leaks and keep your cooling system efficient - Featuring OEM specified Plastic Tank/Aluminum Core Construction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
3545339
Mfg#:
3452
In Stock
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#261000 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Genuine Volkswagen Audi - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261000
Mfg#:
038117070A
In Stock
9% off MSRP

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

$11.54

This product was last offered at the strikethrough price on
05-12-2026

$10.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
ES#4772999 - 8E1819373R - Heater Core Hose - Return - Connects the heater core to the hard coolant pipe - Bremmen Parts - Audi

Connects the heater core to the hard coolant pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772999
Mfg#:
8E1819373R
In Stock
ON SALE! SAVE 22%
$20.99

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

$16.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#2718699 - 028117021E -  Oil Cooler  - Common source of undiscoverable coolant leaks - Febi - Audi Volkswagen

Common source of undiscoverable coolant leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2718699
Mfg#:
028117021E
In Stock
$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#280255 - 06C121085H - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Genuine Volkswagen Audi - Audi

Coolant supply pipe for the cylinder heads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280255
Mfg#:
06C121085H
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.

$230.99

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

$210.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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