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 Engine Cooling Parts

Sort By
Filter By
Return to Top

Thermostat

ES#4671694 - 06L121111N - Thermostat - Includes housing and gasket - Genuine Volkswagen Audi - Audi Volkswagen

Includes housing and gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4671694
Mfg#:
06L121111N
In Stock
23% off MSRP

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

$581.53

This product was last offered at the strikethrough price on
08-13-2026

$448.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EAC Temperature Sensor

ES#4883976 - 8P4965873A - EAC Temperature Sensor - Found on the back side of the radiator - URO - Audi Volkswagen

Found on the back side of the radiator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4883976
Mfg#:
8P4965873A
In Stock
$209.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator / Cooling System Pressure Tester

ES#3673926 - B8800084 - Radiator / Cooling System Pressure Tester - Testing if your cooling system holds pressure via the expansion tank/radiator cap will ensure there are no leaks once the system is filled - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Testing if your cooling system holds pressure via the expansion tank/radiator cap will ensure there are no leaks once the system is filled 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673926
Mfg#:
B8800084
In Stock
ON SALE! SAVE 15%
$146.99

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

$124.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Aluminum MQB Radiator

ES#3672016 - 7084 - High Performance Aluminum MQB Radiator - Ultra-efficient dual-core, triple-pass radiator. Cooler engine temps mean more power and longer life of engine components. - CSF - Audi Volkswagen

Ultra-efficient dual-core, triple-pass radiator. Cooler engine temps mean more power and longer life of engine components. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
3672016
Mfg#:
7084
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#4818497 - 06K121605 - Water Pump Belt - Recommended to be replaced with the water pump - Bremmen Parts - Audi Volkswagen

Recommended to be replaced with the water pump 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818497
Mfg#:
06K121605
In Stock
ON SALE! SAVE 13%
$22.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G13 Coolant - 1 Gallon (3.78 Liters)

ES#3141421 - G013A8J1G - G13 Coolant - 1 Gallon (3.78 Liters) - Lilac OE specification lifetime coolant - Hella - Audi Volkswagen

Lilac OE specification lifetime coolant

Brand:
Hella - Corporate Logo
ES#:
3141421
Mfg#:
G013A8J1G
In Stock
$32.99 USD
Free Shipping
on orders $49 and up

MK7/8V Silicone Coolant Hose Re-route Kit

ES#3638683 - 018193ECS02 - MK7/8V Silicone Coolant Hose Re-route Kit - Hide your coolant hose under your intake system for a cleaner appearance - ECS - Audi Volkswagen

Hide your coolant hose under your intake system for a cleaner appearance 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3638683
Mfg#:
018193ECS02
In Stock
ON SALE! SAVE 25%
$58.99

This product was last offered at the strikethrough price on
06-13-2026

$44.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy-Duty Aluminum Thermostat Cooling Hose Adapter (5Q0122291DA)

ES#4920775 - 054443la01KT - Heavy-Duty Aluminum Thermostat Cooling Hose Adapter (5Q0122291DA) - Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic! - ECS - Audi Volkswagen

Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic! 10X Entries Into Our F80 M3 Sweepstakes
Not for Vehicles with Engine Codes CYFB, DJJA, or DLRA

Brand:
ECS - Corporate Logo
ES#:
4920775
Mfg#:
054443LA01KT
In Stock
ON SALE! SAVE 20%
$104.99

This product was last offered at the strikethrough price on
06-13-2026

$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit with Coolant

ES#4765652 - 06J121026NKT2 - Water Pump Kit with Coolant - Includes a new water pump, belt, thermostat/housing, aluminum union piece & hardware, and G13 coolant - Assembled By ECS - Audi Volkswagen

Includes a new water pump, belt, thermostat/housing, aluminum union piece & hardware, and G13 coolant 10X Entries Into Our F80 M3 Sweepstakes
For TSI models without electrical connection on pump inlet (please inspect prior to ordering).

Brand:
Assembled By ECS - Corporate Logo
ES#:
4765652
Mfg#:
06J121026NKT2
In Stock
ON SALE! SAVE 24%
$321.11

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

$244.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Water Pump Module

ES#4507241 - 06H121026ED - Water Pump Module - Includes the thermostat, temp sensor, and gasket - Genuine Volkswagen Audi - Audi Volkswagen

Includes the thermostat, temp sensor, and gasket For models without electrical connection on pump inlet (please inspect prior to ordering).

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4507241
Mfg#:
06H121026ED
In Stock
14% off MSRP

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

$507.49

This product was last offered at the strikethrough price on
09-06-2026

$438.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#4151260 - 1K0122051GN - Radiator Hose - Lower - Connects the lower radiator port to the water pump housing - Rein - Audi Volkswagen

Connects the lower radiator port to the water pump housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151260
Mfg#:
1K0122051GN
In Stock
ON SALE!
$102.99

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

$97.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Belt

ES#2598248 - 06H121605E - Water Pump Belt - Recommended to be replaced with the water pump - Febi - Audi Volkswagen

Recommended to be replaced with the water pump We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2598248
Mfg#:
06H121605E
In Stock
$30.99

This product was last offered at the strikethrough price on
03-27-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Upgraded Aluminum

ES#4351838 - 06J121065F - Coolant Pipe - Upgraded Aluminum - Connects water pump to cylinder head coolant flange. Lifetime warranty! - URO Premium - Audi Volkswagen

Connects water pump to cylinder head coolant flange. Lifetime warranty! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4351838
Mfg#:
06J121065F
In Stock
$30.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Fan Assembly

ES#4742861 - 1K0121205AJ-K - Cooling Fan Assembly - URO - Audi Volkswagen

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4742861
Mfg#:
1K0121205AJ-K
Back Ordered
Auto Notify
$223.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CSF OE Replacement Radiator

ES#5388646 - 3922 - CSF OE Replacement Radiator - Standard replacement radiator - CSF - Audi Volkswagen

Standard replacement radiator 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
5388646
Mfg#:
3922
In Stock
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#4818487 - 06J117021J - 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#:
4818487
Mfg#:
06J117021J
In Stock
ON SALE! SAVE 21%
$74.99

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

$59.56 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.

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