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Audi A3 Engine Cooling Parts

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Auxiliary Water Pump

ES#3419790 - 1K0965561J - Auxiliary Water Pump - Secondary pump for more efficient cooling - Pierburg - Audi Volkswagen

Secondary pump for more efficient cooling

Brand:
Pierburg - Corporate Logo
ES#:
3419790
Mfg#:
1K0965561J
In Stock
$281.99

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

$198.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#4780903 - 06L117021G - Oil Cooler - A possible source of leaking oil or coolant - Bremmen Parts - Audi Volkswagen

A possible source of leaking oil or coolant 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4780903
Mfg#:
06L117021G
In Stock
ON SALE! SAVE 21%
$56.99

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

$44.87 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
09-07-2026

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

Engine Oil Cooler

ES#4751824 - 06D117021C - Engine Oil Cooler - Lowers engine oil temperature - Bremmen Parts - Audi Volkswagen

Lowers engine oil temperature 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4751824
Mfg#:
06D117021C
In Stock
$65.99 USD
Free Shipping
on orders $49 and up

Coolant Hose

ES#2737512 - 06K121051M - Coolant Hose - Connects cylinder head breather adapter to expansion tank return pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects cylinder head breather adapter to expansion tank return pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737512
Mfg#:
06K121051M
In Stock
3% off MSRP

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

$29.99

This product was last offered at the strikethrough price on
09-07-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperCool Performance Coolant - Pre-Mixed - 1 Gallon

ES#4338527 - 81215 - SuperCool Performance Coolant - Pre-Mixed - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!

Brand:
Redline - Corporate Logo
ES#:
4338527
Mfg#:
81215
Ships in 2 Business Days
$54.99 USD
Free Shipping
on orders $49 and up

Cast Aluminum Thermostat Housing

ES#3553457 - 462-121-VR47C - Cast Aluminum Thermostat Housing - Replace your inferior plastic housing - iABED Industries - Audi Volkswagen

Replace your inferior plastic housing Modification to water pipe may be required. Please see description for details.

Brand:
iABED Industries - Corporate Logo
ES#:
3553457
Mfg#:
462-121-VR47C
Back Ordered
Auto Notify
$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#315206 - 1K0121070BD - Coolant Pipe - Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose - Genuine Volkswagen Audi - Audi Volkswagen

Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315206
Mfg#:
1K0121070BD
In Stock
$127.80 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 Into Our F80 M3 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

Allen/Hex Bolt - Priced Each

ES#4151982 - N90945002 - Allen/Hex Bolt - Priced Each - Install new hardware with your new parts. M7x21.5mm - Rein - Audi Volkswagen

Install new hardware with your new parts. M7x21.5mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151982
Mfg#:
N90945002
In Stock
ON SALE! SAVE 19%
$5.99

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

$4.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler Gasket

ES#3419794 - 06D117070 - Engine Oil Cooler Gasket - Connects oil cooler to oil filter housing - Elring - Audi Volkswagen

Connects oil cooler to oil filter housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines only

Brand:
Elring - Corporate Logo
ES#:
3419794
Mfg#:
06D117070
In Stock
$13.99 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 3 Business Days
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
09-07-2026

$213.29 USD
Free Shipping
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 Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883474
Mfg#:
1K0121407A
In Stock
ON SALE!
$24.49

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

$23.27 USD
Free Shipping
on orders $49 and up

Expansion Tank

ES#4766189 - 5Q0121407G - 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 Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766189
Mfg#:
5Q0121407G
In Stock
ON SALE! SAVE 20%
$29.99

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

Performance Aluminum Radiator

ES#3138206 - TSUGRADTSI - Performance Aluminum Radiator - Ensure safe temperatures during track use - TyrolSport - Audi Volkswagen

Ensure safe temperatures during track use Requires a build time of up to two weeks
For vehicles with TSI engine only

Brand:
TyrolSport - Corporate Logo
ES#:
3138206
Mfg#:
TSUGRADTSI
Ships in 7 Business Days
$1461.99 USD

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.

Let us help you find the parts that fit your Audi

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