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 A4 Engine Cooling Parts

Sort By
Filter By
Return to Top

Water Pump Gasket

ES#281546 - 06J121119 - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing a new water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281546
Mfg#:
06J121119
In Stock
19% 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
07-25-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2587386 - 8E0121403KT2 - Expansion Tank Replacement Kit - Everything in one kit to replace your coolant expansion tank - Assembled By ECS - Audi

Everything in one kit to replace your coolant expansion tank 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587386
Mfg#:
8E0121403KT2
In Stock
ON SALE!
$47.99

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

$45.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly (06B121111K)

ES#3979322 - 06B121111K - Thermostat Assembly (06B121111K) - Includes housing, gasket & sensor - URO - Audi
ECS Tuning recommends this product.

Includes housing, gasket & sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3979322
Mfg#:
06B121111K
In Stock
ON SALE!
$75.89

This product was last offered at the strikethrough price on
06-25-2026

$72.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bypass Hose

ES#2993398 - 06L121081K - Coolant Bypass Hose - connects to coolant hose connector that mounts in the cylinder head - Genuine Volkswagen Audi - Audi

connects to coolant hose connector that mounts in the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2993398
Mfg#:
06L121081K
Ships in 1-2 days
9% off MSRP

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

$78.99

This product was last offered at the strikethrough price on
07-25-2026

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#3435242 - 06E121111G - Thermostat - Includes housing and gasket. - Rein - Audi

Includes housing and gasket. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3435242
Mfg#:
06E121111G
In Stock
$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#467458 - N10124408 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x20 Used to secure the auxiliary pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467458
Mfg#:
N10124408
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#4818427 - 059919501A - Coolant Temperature Sensor - Green coolant temp sensor, located commonly in the cooling flange near the head - Bremmen Parts - Audi Volkswagen

Green coolant temp sensor, located commonly in the cooling flange near the head 10X Entries For Our 25th Anniversary Sweepstakes!

Located in the coolant flange

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818427
Mfg#:
059919501A
In Stock
ON SALE! SAVE 24%
$15.99

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

$12.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2828404 - 06F121011 - Water Pump - Featuring a metal impeller - URO - Audi Volkswagen

Featuring a metal impeller 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2828404
Mfg#:
06F121011
Ships in 1 Business Day
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose

ES#2575466 - 8E0121049N - Lower Radiator Hose - Connects the lower radiator to the expansion tank and thermostat housing - Rein - Audi

Connects the lower radiator to the expansion tank and thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2575466
Mfg#:
8E0121049N
Ships in 2 Business Days
$91.58

This product was last offered at the strikethrough price on
05-30-2026

$87.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler Gasket

ES#281533 - 06J117070C - Engine Oil Cooler Gasket - Connects oil cooler to oil filter housing - Genuine Volkswagen Audi - Audi Volkswagen

Connects oil cooler to oil filter housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281533
Mfg#:
06J117070C
In Stock
27% off MSRP

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

$23.18

This product was last offered at the strikethrough price on
07-25-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Flange

ES#4723178 - 06E121168- AL - Aluminum Coolant Flange - Located on the engine block - Hamburg Tech - Audi

Located on the engine block We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4723178
Mfg#:
06E121168- AL
In Stock
$49.99 USD
Free Shipping
on orders $49 and up

Radiator

ES#3188209 - 8K0121251H - Radiator - Fix leaks and keep your cooling system efficient - Nissens - Audi

Fix leaks and keep your cooling system efficient We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3188209
Mfg#:
8K0121251H
In Stock at Vendor
$209.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Control Module (600W)

ES#3176292 - 8K0959501G - Radiator Fan Control Module (600W) - Keep your cooling system operating properly - Vemo - Audi

Keep your cooling system operating properly

Brand:
Vemo - Corporate Logo
ES#:
3176292
Mfg#:
8K0959501G
In Stock
ON SALE!
$551.99

This product was last offered at the strikethrough price on
06-25-2026

$524.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#3714283 - 06l121012akt2 - Cooling System Refresh Kit - Level 1 - This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware. - Genuine Volkswagen Audi - Audi

This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware. For vehicles with engine code CYMC (model years through 2020)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3714283
Mfg#:
06L121012AKT2
Ships in 2 Business Days
$1045.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

This entry level kit includes thermostat, waterpump, expansion tank, coolant, and all necessary hardware.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4830178
Mfg#:
8W0121405KKT
Ships in 2 Business Days
$1037.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Return Pipe

ES#4899501 - 06H121065D - Coolant Return Pipe - Connects the heater core hoses to the waterpump - Rein - Audi

Connects the heater core hoses to the waterpump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits up to the 2012 model year

Brand:
Rein - Corporate Logo
ES#:
4899501
Mfg#:
06H121065D
Back Ordered
Auto Notify
$36.99 USD
Free Shipping
on orders $49 and up

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