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Audi A4 Engine Cooling Parts

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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#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
06-07-2026

$671.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2216587 - 06D121132C - Coolant Hose Flange  - Located rear engine, this flange houses the temp sensor - Genuine Volkswagen Audi - Audi

Located rear engine, this flange houses the temp sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2216587
Mfg#:
06D121132C
In Stock at Vendor
5% off MSRP

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

$63.99

This product was last offered at the strikethrough price on
06-07-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3235894 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - Gates - Audi

Controls the actuation of the radiator fan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235894
Mfg#:
8D0959501D
Ships in 4 Business Days
$332.99 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
Engine code AWM. Secures the water pump to the engine

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#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
Ships in 1-3 days
$8.99 USD
Free Shipping
on orders $49 and up
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#2708675 - 1J0919506E - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 10 pin connector - URO - Audi Volkswagen

1 large 4 pin connector and 1 small 10 pin connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708675
Mfg#:
1J0919506E
Ships in 1 Business Day
$79.99 USD
Free Shipping
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#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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
01-08-2026

$15.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280431 - 06D121492J - Turbo Cooling Hose - Return Line - Connects the turbocharger to the hard water pipe - Genuine Volkswagen Audi - Audi

Connects the turbocharger to the hard water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280431
Mfg#:
06D121492J
Ships in 1 day
8% off MSRP

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

$171.99

This product was last offered at the strikethrough price on
06-07-2026

$157.99 USD
Free Shipping
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#262894 - 06B121132E - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Genuine Volkswagen Audi - Audi

Located at the rear of cylinder head, includes o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
262894
Mfg#:
06B121132E
In Stock
8% off MSRP

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

$51.99

This product was last offered at the strikethrough price on
06-07-2026

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2103084 - 4H0121207B - Dual Fan Cowl - Attaches to the radiator to house the fans - Genuine Volkswagen Audi - Audi

Attaches to the radiator to house the fans affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2103084
Mfg#:
4H0121207B
Ships in 1 day
9% off MSRP

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

$678.99

This product was last offered at the strikethrough price on
06-07-2026

$620.99 USD
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.

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