Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi A3 Cooling System Service & Maintenance Parts

Sort By
Filter By
Return to Top

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 1 Business Day
$275.00 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 Into Our F80 M3 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
ON SALE! SAVE 10%
$11.49

This product was last offered at the strikethrough price on
09-04-2026

$10.34 USD
Free Shipping
on orders $49 and up

G13 Coolant / Antifreeze - 1.5 Liter

ES#2872897 - G013A8JM1 - G13 Coolant / Antifreeze - 1.5 Liter - Lilac OE VW/Audi specification concentrate lifetime coolant - Febi - Audi Volkswagen

Lilac OE VW/Audi specification concentrate lifetime coolant We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872897
Mfg#:
G013A8JM1
In Stock
$20.61

This product was last offered at the strikethrough price on
04-13-2026

$16.99 USD
Free Shipping
on orders $49 and up

SuperCool Performance Coolant - Concentrate - 1 Gallon

ES#4338528 - 81205 - SuperCool Performance Coolant - Concentrate - 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#:
4338528
Mfg#:
81205
In Stock
$68.99 USD
Free Shipping
on orders $49 and up

Zerex Coolant / Antifreeze - Pink G40 (Prediluted) 1 Gallon

ES#4906329 - 861399 - Zerex Coolant / Antifreeze - Pink G40 (Prediluted) 1 Gallon - MBZ Approval: 325.5 / 325.6 - Zerex - Audi Volkswagen Mercedes Benz Porsche

MBZ Approval: 325.5 / 325.6

Brand:
Zerex - Corporate Logo
ES#:
4906329
Mfg#:
861399
In Stock
$28.99

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

$24.99 USD
Free Shipping
on orders $49 and up

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
Ships in 1 Business Day
$40.67

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

$29.99 USD
Free Shipping
on orders $49 and up

Cooling System Flush Kit

ES#2784773 - CO0LANTFLUSHKT2 - Cooling System Flush Kit - Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. - Assembled By ECS - Audi Volkswagen

Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2784773
Mfg#:
CO0LANTFLUSHKT2
In Stock
ON SALE! SAVE 12%
$80.99

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

$71.50 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2588723 - 06F121111FKT - Thermostat Replacement Kit - Includes thermostat with housing, o-ring and mounting hardware - Assembled By ECS - Audi Volkswagen

Includes thermostat with housing, o-ring and mounting hardware 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with FSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2588723
Mfg#:
06F121111FKT
In Stock
ON SALE! SAVE 23%
$48.97

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

$37.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lock Carrier Tool Set - M10

ES#4742597 - 01598sch01KT - Lock Carrier Tool Set - M10 - Extended lock carrier bolt to make extra room without removing the entire front end. - Schwaben - Audi Volkswagen
ECS Tuning recommends this product.

Extended lock carrier bolt to make extra room without removing the entire front end. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
4742597
Mfg#:
01598SCH01KT
In Stock
ON SALE! SAVE 11%
$21.90

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

$19.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2586887 - 06H121113BKT1 - Thermostat Replacement Kit - Includes a thermostat, housing, O-ring and bolts - Assembled By ECS - Audi Volkswagen

Includes a thermostat, housing, O-ring and bolts 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with TSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586887
Mfg#:
06H121113BKT1
In Stock
ON SALE! SAVE 24%
$33.99

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

$25.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Relief Flush

ES#2608077 - 040202 - Radiator Relief Flush - Concentrated cleansing agent that effectively cleans your cooling system! - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Concentrated cleansing agent that effectively cleans your cooling system!

Brand:
DEI - Corporate Logo
ES#:
2608077
Mfg#:
040202
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Coolant Hose Kit - Select Your Color

ES#4660181 - AUT-MK5-002 - Silicone Coolant Hose Kit - Select Your Color - Replace your stock rubber hoses with silicone - Autobahn Autoworx - Audi Volkswagen

Replace your stock rubber hoses with silicone Install photos also show the Silicone PCV Hose Set (ES4362450) which is not included but available separately.
For vehicles with FSI engines only

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4660181
Mfg#:
AUT-MK5-002
Ships in 1 Business Day
Starting at $200.00 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Zerex Ht-12 Pink

ES#5435259 - 904683 - Zerex Ht-12 Pink - Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles. - Zerex - Audi Volkswagen

Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles.

Brand:
Zerex - Corporate Logo
ES#:
5435259
Mfg#:
904683
Ships in 1 Business Day
$25.99

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

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Stop-Leak - 250mL

ES#3514566 - 20132 - Radiator Stop-Leak - 250mL - Put a stop to that coolant leak! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Put a stop to that coolant leak! 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514566
Mfg#:
20132
In Stock
ON SALE! SAVE 21%
$11.99

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

$9.50 USD
Free Shipping
on orders $49 and up

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps.

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Cooling System Service & Maintenance Parts

From individual cooling system parts to full cooling system refresh kits and cooling system upgrades, we have it all right here so you can keep your engine temperature in check or improve cooling system performance to meet the demands you place on your car.

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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings