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Audi A3 FWD TDI

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Audi A3 FWD TDI Engine Cooling Parts

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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 We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815697
Mfg#:
3B0121321
Ships in 2 Business Days
$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

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

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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865798
Mfg#:
038117070A
Ships on Oct 19, 2026
$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 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
$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 For Our 25th Anniversary Sweepstakes!

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

$240.37 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Heater Core

ES#5374144 - 1K0819031D - Heater Core - Transforms hot coolant into warmth for your cabin - Bremmen Parts - Audi Volkswagen

Transforms hot coolant into warmth for your cabin 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374144
Mfg#:
1K0819031D
In Stock
ON SALE! SAVE 10%
$81.99

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

$73.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

Universal 12" Electric Fan - Black *Scratch And Dent*

ES#4920624 - 30102029SD - Universal 12" Electric Fan - Black *Scratch And Dent* - Scratch & Dent - Audi BMW MINI

ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
4920624
Mfg#:
30102029SD
In Stock
ON SALE! SAVE 39%
$207.99

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

$127.00 USD
Free Shipping
on orders $49 and up

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 For Our 25th Anniversary Sweepstakes!
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

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5482073
Mfg#:
1K0819031D1KT
Ships in 1 day
$315.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 295mm

Smaller of the two fans found behind the radiator 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374095
Mfg#:
1K0959455ET
Ships in 3 Business Days
ON SALE! SAVE 16%
$113.99

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

$96.23 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

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

Thermostat O-Ring

Ensure a proper seal when installing your new thermostat. 50x3.5mm 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340952
Mfg#:
06B121119B
Special Order: No Guaranteed ETA
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - With Metal Impeller

Keep your coolant flowing to prevent overheating and improved longevity with a metal impeller

Brand:
Geba - Corporate Logo
ES#:
4341902
Mfg#:
03L121011G
Special Order: No Guaranteed ETA
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4872599 - 03L121111AM - Thermostat - This also includes the thermostat housing - Vemo - Audi Volkswagen

This also includes the thermostat housing

Brand:
Vemo - Corporate Logo
ES#:
4872599
Mfg#:
03L121111AM
Special Order: No Guaranteed ETA
$42.99 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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