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Audi A3 Engine Cooling Parts

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VW/Audi 2.0T TSI Performance Aluminum Radiator - With Installation Kit

ES#4030589 - 004257ECS02KT - VW/Audi 2.0T TSI Performance Aluminum Radiator - With Installation Kit - Direct-fit upgrade! Featuring a 20% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts and coolant. - Assembled By ECS - Audi Volkswagen

Direct-fit upgrade! Featuring a 20% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts and coolant. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with TSI engine only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4030589
Mfg#:
004257ECS02KT
Ships on Aug 21, 2026
Auto Notify
ON SALE! SAVE 12%
$390.82

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

$345.78 USD
This product is lifetime replacement eligible Partial Replacement

Coolant Temperature Sensor - 2 Pin

ES#2718641 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Febi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2718641
Mfg#:
06A919501A
In Stock at Vendor
$17.99

This product was last offered at the strikethrough price on
07-08-2026

$17.77 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#468268 - N10470705 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x50 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M6x50 Secures the water pump to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468268
Mfg#:
N10470705
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3521888 - 5Q0121251GN - Radiator - Keep your engine running cool with a new radiator. 650x457x34 - Nissens - Audi Volkswagen

Keep your engine running cool with a new radiator. 650x457x34 We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3521888
Mfg#:
5Q0121251GN
In Stock
ON SALE!
$208.99

This product was last offered at the strikethrough price on
07-14-2026

$202.72 USD
This product is lifetime replacement eligible Lifetime Replacement

Silicone Coolant Hose Kit - Red

ES#4362413 - Aut-MK5-002-RED - Silicone Coolant Hose Kit - Red - Replace your stock rubber hoses with silicone - Autobahn Autoworx - Audi Volkswagen

Replace your stock rubber hoses with silicone For vehicles with FSI engines only

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4362413
Mfg#:
AUT-MK5-002-RED
Ships in 2 Business Days
$275.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Low Profile Electric Fan

ES#3706751 - 30100400 - Universal 16" Low Profile Electric Fan - 1300 CFM. High performance pull fan with straight blades - Spal - Audi BMW MINI

1300 CFM. High performance pull fan with straight blades

Brand:
Spal - Corporate Logo
ES#:
3706751
Mfg#:
30100400
In Stock
$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Cleaner - 300mL

ES#3195914 - 2051 - Radiator Cleaner - 300mL - Used to clean out your cooling system and restore efficiency - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI

Used to clean out your cooling system and restore efficiency 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship

Brand:
Liqui-Moly - Corporate Logo
ES#:
3195914
Mfg#:
2051
In Stock
39% off MSRP

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

$18.99

This product was last offered at the strikethrough price on
07-19-2026

$11.49 USD
Free Shipping
on orders $49 and up

Spill-Proof Coolant / Antifreeze Funnel Bleeder - Bavarian Autosport

ES#3673924 - B8800082 - Spill-Proof Coolant / Antifreeze Funnel Bleeder - Bavarian Autosport - Multiple adapters include to fit a variety of vehicles. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Multiple adapters include to fit a variety of vehicles. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673924
Mfg#:
B8800082
In Stock
ON SALE! SAVE 15%
$32.99

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

$28.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#4046596 - 05C919501 - Coolant Temperature Sensor - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4046596
Mfg#:
05C919501
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.

$31.99

This product was last offered at the strikethrough price on
07-19-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#253082 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
253082
Mfg#:
3B0121321
In Stock
25% off MSRP

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

$39.59

This product was last offered at the strikethrough price on
03-25-2026

$29.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 10 Row

ES#2764288 - MM0CU - Universal Oil Cooler - 10 Row - Upgrading cooling for your engine oil - Mishimoto - Audi BMW Volkswagen MINI

Upgrading cooling for your engine oil For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764288
Mfg#:
MM0CU
In Stock at Vendor
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil cooler

ES#3151185 - 06L117021G - Oil cooler - A possible source of leaking oil or coolant - Genuine Volkswagen Audi - Audi Volkswagen

A possible source of leaking oil or coolant

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3151185
Mfg#:
06L117021G
Ships in 3 Business Days
7% off MSRP

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

$374.99

This product was last offered at the strikethrough price on
07-19-2026

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#4766154 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings. Includes O-ring - Bremmen Parts - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings. Includes O-ring 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766154
Mfg#:
06A919501A
In Stock
ON SALE! SAVE 15%
$14.99

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

$12.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Assembly - 360mm/295mm

ES#3189422 - 620-805 - Fan Assembly - 360mm/295mm - The two cooling fans and fan shroud found behind the radiator - Dorman - Audi Volkswagen

The two cooling fans and fan shroud found behind the radiator

Brand:
Dorman - Corporate Logo
ES#:
3189422
Mfg#:
620-805
In Stock
$328.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#4876612 - 5Q0819031B - Heater Core - Transfers heat to the cabin of the vehicle - Mahle-Behr - Audi Volkswagen

Transfers heat to the cabin of the vehicle

Brand:
Mahle-Behr - Corporate Logo
ES#:
4876612
Mfg#:
5Q0819031B
In Stock
$165.99

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

$160.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Coolant Reroute Hose

ES#4674429 - CI100053-A - APR Coolant Reroute Hose - Plug and play upgrade that neatly runs under the intake for a clean install. - APR - Audi Volkswagen

Plug and play upgrade that neatly runs under the intake for a clean install. Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4674429
Mfg#:
CI100053-A
In Stock
10% off MSRP

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

$51.99

This product was last offered at the strikethrough price on
07-19-2026

$46.99 USD
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.

Let us help you find the parts that fit your Audi

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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