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Audi A4 Engine Cooling Parts

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ES#3438632 - 8K0959455M - Electric Cooling Fan - Right - 200Watt 350mm fan that sits behind the radiator - Nissens - Audi

200Watt 350mm fan that sits behind the radiator 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#:
3438632
Mfg#:
8K0959455M
In Stock at Vendor
$197.99

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

$191.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2528895 - 06H121121L - Thermostat Housing - Plastic flange for the thermostat that connects to the water pump housing - Genuine Volkswagen Audi - Audi Volkswagen

Plastic flange for the thermostat that connects to the water pump housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Inzi water pumps

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2528895
Mfg#:
06H121121L
In Stock
Limited Qty Sale
$42.52

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280010 - 06B121057A - Coolant Hose - Connects the thermostat housing the the hard water pipe - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280010
Mfg#:
06B121057A
In Stock
11% off MSRP

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

$26.99

This product was last offered at the strikethrough price on
06-13-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2594857 - 8D0121403L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Febi - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Febi - Corporate Logo
ES#:
2594857
Mfg#:
8D0121403L
In Stock at Vendor
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2535177 - 8E0121403A - Coolant Expansion Tank - Replace your cracked or faded expansion tank. - URO - Audi

Replace your cracked or faded expansion tank. 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#:
2535177
Mfg#:
8E0121403A
Ships in 1 Business Day
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#366087 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Genuine Volkswagen Audi - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
366087
Mfg#:
4B0121055J
Ships in 8 Business Days
8% off MSRP

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

$204.99

This product was last offered at the strikethrough price on
06-13-2026

$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4899609 - 06H121492D - Turbocharger Coolant Hose - Return - Connects the turbocharger to the water pipe - Rein - Audi

Connects the turbocharger to the water 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#:
4899609
Mfg#:
06H121492D
Ships in 1 Business Day
$93.99 USD
Free Shipping
on orders $49 and up
ES#2608142 - 050121113CKT3 - Cooling System Refresh Kit - Level 3 - Replace critical cooling system components and perform a proper coolant system flush! - Assembled By ECS - Audi

Replace critical cooling system components and perform a proper coolant system flush! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AEB from VIN 8D-W-007800 up to VIN 8D-X-500000, splits are in the 1998-1999 model years

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608142
Mfg#:
050121113CKT3
Ships on Oct 22, 2026
ON SALE!
$187.27 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#261828 - 8D0121403L - Coolant Expansion Tank - Includes integrated coolant level sensor - Meyle - Audi Volkswagen

Includes integrated coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Meyle - Corporate Logo
ES#:
261828
Mfg#:
8D0121403L
Ships on Oct 22, 2026
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2973048 - 028117021EKT - Oil Cooler Replacement Kit  - Includes the necessary components to replace your oil cooler and perform an engine oil service - Assembled By ECS - Audi

Includes the necessary components to replace your oil cooler and perform an engine oil service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-Y-022961, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2973048
Mfg#:
028117021EKT
In Stock
ON SALE!
$187.99

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

$185.27 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2106948 - 8K0805399B - Torx Screw - Priced each - Genuine Volkswagen Audi - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2106948
Mfg#:
8K0805399B
In Stock
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
06-13-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3419389 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Rein - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 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#:
3419389
Mfg#:
N90316802
In Stock
$2.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3138264 - 06E121111Gkt3 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3138264
Mfg#:
06E121111GKT3
Ships in 1-2 days
ON SALE!
$94.50

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

$92.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4818842 - 1.8TJplug - Thermostat Housing J-Plug - Billet Aluminum - Strange coolant leak? It's possible you just need to upgrade your J-plug! - 40T Performance - Audi

Strange coolant leak? It's possible you just need to upgrade your J-plug! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
40T Performance - Corporate Logo
ES#:
4818842
Mfg#:
1.8TJPLUG
Ships in 5 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#472539 - WHT001506A - Upper Radiator Securing Pin - Priced Each - Keep your radiator secured in place - Genuine Volkswagen Audi - Audi

Keep your radiator secured in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472539
Mfg#:
WHT001506A
In Stock
20% off MSRP

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

$4.99

This product was last offered at the strikethrough price on
06-13-2026

$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2802451 - N90380002 - O-Ring - Priced Each (24x3) - O-ring used in various areas on your European vehicle - Rein - Audi

O-ring used in various areas on your European vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
24x3 O-ring that is seated between the hard coolant pipe and thermostat housing

Brand:
Rein - Corporate Logo
ES#:
2802451
Mfg#:
N90380002
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
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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