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Audi A3 FWD TDI

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Audi A3 FWD TDI Engine Cooling Parts

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Radiator Coupler - Upper

Coupler that connects the upper radiator hose to the radiator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Dansk - Corporate Logo
ES#:
4669483
Mfg#:
3C0122291
Ships in 1 Business Day
$10.99

This product was last offered at the strikethrough price on
10-27-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#4034832 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Elring - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4034832
Mfg#:
038121119B
Ships in 1 Business Day
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2815697 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Hamburg Tech - Audi Volkswagen

Keep proper pressure in your coolant system Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815697
Mfg#:
3B0121321
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Coupler - Upper

Coupler that connects the upper radiator hose to the radiator Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Burgaflex - Corporate Logo
ES#:
4349544
Mfg#:
3C0122291
Back Ordered
$6.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#3672033 - 3C0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Stant - Audi Volkswagen Porsche

Keep proper pressure in your coolant system Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Stant - Corporate Logo
ES#:
3672033
Mfg#:
3C0121321
Back Ordered
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

seal ring

ES#2865798 - 038117070A - seal ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Febi - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865798
Mfg#:
038117070A
Ships on Jan 27, 2027
$4.99 USD
Free Shipping
on orders $49 and up

Flange Nut - Priced Each

ES#471081 - N90887703 - Flange Nut - Priced Each - Hex head self locking nut used in various areas on your European vehicle. M6 - Genuine Volkswagen Audi - Audi Volkswagen

Hex head self locking nut used in various areas on your European vehicle. M6 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Used to secure engine cooling fans to the fan shroud - Three per fan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471081
Mfg#:
N90887703
In Stock
Limited Qty Sale
$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit

ES#2738396 - 03L121111ACkt - 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. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
2738396
Mfg#:
03L121111ACKT
In Stock
ON SALE!
$242.99

This product was last offered at the strikethrough price on
06-18-2026

$236.60 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

CSF Universal Large Single-Pass Cooler

ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 3 Business Days
$499.00 USD
Free Shipping

Radiator Coupler - Upper

ES#5507065 - 3C0122291 - Radiator Coupler - Upper - Fix a leaking upper or lower radiator hose connection with this direct-fit OE-quality replacement quick-connect flange. - Rein - Audi Volkswagen

Fix a leaking upper or lower radiator hose connection with this direct-fit OE-quality replacement quick-connect flange. 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Rein - Corporate Logo
ES#:
5507065
Mfg#:
3C0122291
Ships in 3 Business Days
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW | Coolant Flange

ES#4863267 - 3C0122291 - VW | Coolant Flange - Vaico - Audi Volkswagen

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4863267
Mfg#:
3C0122291
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up

Heater Core With Heater Core Pipe Gasket Set

ES#5482073 - 1k0819031d1KT - Heater Core With Heater Core Pipe Gasket Set - Transforms hot coolant into warmth for your cabin with the necessary gaskets and clamps for your new heater core - Genuine Volkswagen Audi - Audi Volkswagen

Transforms hot coolant into warmth for your cabin with the necessary gaskets and clamps for your new heater core Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5482073
Mfg#:
1K0819031D1KT
Ships in 1 day
$315.99

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

$298.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Water Pump

Price includes $60 refundable core charge Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2719065
Mfg#:
03L121011GXKT
Ships in 6 Business Days
$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4900411 - 1K0121407F - Coolant Expansion Tank - See your coolant levels clearly again, comes with coolant level sensor - Meyle - Audi Volkswagen

See your coolant levels clearly again, comes with coolant level sensor 5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900411
Mfg#:
1K0121407F
Ships on Nov 19, 2026
$30.99 USD
Free Shipping
on orders $49 and up

Water Pump - With Metal Impeller

Keep your coolant flowing to prevent overheating 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
5491552
Mfg#:
038121011G
Ships on Nov 19, 2026
ON SALE! SAVE 20%
$59.99

This product was last offered at the strikethrough price on
10-28-2026

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

Ensure a proper seal when installing your new thermostat. 50x3.5mm 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Elring - Corporate Logo
ES#:
5340952
Mfg#:
06B121119B
Ships on Nov 30, 2026
$4.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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