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Audi A3 FWD TDI

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Audi A3 FWD TDI Engine Cooling Parts

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Coolant Expansion Tank

ES#4766175 - 1K0121407A - Coolant Expansion Tank - See your coolant levels clearly again, comes with coolant level sensor - Bremmen Parts - Audi Volkswagen

See your coolant levels clearly again, comes with coolant level sensor 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766175
Mfg#:
1K0121407A
In Stock
ON SALE! SAVE 40%
$27.99

This product was last offered at the strikethrough price on
01-29-2026

$16.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Coolant Tank Cap

ES#4620720 - CTS-ACC-009 - CTS Coolant Tank Cap - Lose the plastic! - CTS - Audi Volkswagen

Lose the plastic!

Brand:
CTS - Corporate Logo
ES#:
4620720
Mfg#:
CTS-ACC-009
Ships in 7 Business Days
ON SALE! SAVE 15%
$69.99

This product was last offered at the strikethrough price on
07-10-2026

$59.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters)

ES#3420837 - 00004330575 - G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters) - Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. - Zerex - Audi Volkswagen Mercedes Benz Porsche

Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water.

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
In Stock at Vendor
$40.99

This product was last offered at the strikethrough price on
03-29-2026

$30.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank Cap

ES#3485290 - 2Q0121321A - Coolant Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen Porsche

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3485290
Mfg#:
2Q0121321A
In Stock
2% off MSRP

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

$42.99

This product was last offered at the strikethrough price on
07-22-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Pre-Heater Power Cable

ES#1874422 - 5K0965539 - Engine Pre-Heater Power Cable - Keep your engine ready to start - Genuine Volkswagen Audi - Audi

Keep your engine ready to start

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1874422
Mfg#:
5K0965539
Ships in 1 day
12% off MSRP

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

$243.07

This product was last offered at the strikethrough price on
07-22-2026

$213.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb

ES#2971417 - 015326SCH01A - Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb - Straighten bent radiator or intercooler fins that block air flow - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Straighten bent radiator or intercooler fins that block air flow 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2971417
Mfg#:
015326SCH01A
In Stock
ON SALE! SAVE 29%
$20.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 295mm

ES#5432881 - 1KM959455E - Auxiliary Fan Assembly - 295mm - Smaller of the two fans found behind the radiator - Bremmen Parts - Audi Volkswagen

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

Brand:
Bremmen Parts - Corporate Logo
ES#:
5432881
Mfg#:
1KM959455E
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 20%
$174.99

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

$139.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#2827021 - 1K0819031D - Heater Core - Transforms hot coolant into warmth for your cabin - Nissens - Audi Volkswagen

Transforms hot coolant into warmth for your cabin We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2827021
Mfg#:
1K0819031D
In Stock at Vendor
$83.99

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

$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Pipe Gasket Set

ES#440737 - 8E0898380 - Heater Core Pipe Gasket Set - Includes the necessary gaskets and clamps for your new heater core - Genuine Volkswagen Audi - Audi Volkswagen

Includes the necessary gaskets and clamps for your new heater core

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
440737
Mfg#:
8E0898380
In Stock
22% off MSRP

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

$31.58

This product was last offered at the strikethrough price on
02-23-2026

$24.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank - With Cap

ES#4883474 - 1K0121407A - Coolant Expansion Tank - With Cap - See your coolant levels clearly again, comes with coolant level sensor - Rein - Audi Volkswagen

See your coolant levels clearly again, comes with coolant level sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883474
Mfg#:
1K0121407A
In Stock
$24.49 USD
Free Shipping
on orders $49 and up

Engine Oil Cooler

ES#3188259 - 038117021E - Engine Oil Cooler - Lowers engine oil temperature - URO - Audi Volkswagen

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

Brand:
URO - Corporate Logo
ES#:
3188259
Mfg#:
038117021E
In Stock
$76.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock at Vendor
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Expansion Tank Cover Kit - Choose-Your-Cap

ES#4000840 - 025263ECS01 - Carbon Fiber Expansion Tank Cover Kit - Choose-Your-Cap - Select your own expansion tank cap to go along with your ECS Carbon Fiber Expansion Tank Cover Kit - ECS - Audi Volkswagen

Select your own expansion tank cap to go along with your ECS Carbon Fiber Expansion Tank Cover Kit 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4000840
Mfg#:
025263ECS01
In Stock
ON SALE!
Starting at $227.99 USD
Customize
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.

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

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