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 Engine Coolant Flanges & Parts

Sort By
Filter By
Return to Top

Compressor Flange Water Hose Kit - Left

ES#4056901 - 06e121545KT - Compressor Flange Water Hose Kit - Left - Connects the supercharger flange to the hard water line. Upper & lower spring clamps included. - Genuine Volkswagen Audi - Audi

Connects the supercharger flange to the hard water line. Upper & lower spring clamps included.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4056901
Mfg#:
06E121545KT
In Stock
$29.99

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

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

Coolant Flange Kit

ES#4056900 - 06e121161bbKT - Coolant Flange Kit - Located on the front of the engine block. Includes gasket and hardware for a leak free fix! - Genuine Volkswagen Audi - Audi

Located on the front of the engine block. Includes gasket and hardware for a leak free fix!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4056900
Mfg#:
06E121161BBKT
Ships in 1 day
$173.99

This product was last offered at the strikethrough price on
05-12-2026

$172.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Pipe - With Bracket

ES#5424554 - 06E121045BB - Coolant Supply Pipe - With Bracket - Main supply pipe that connects to the upper radiator hose and the engine - Hamburg Tech - Audi

Main supply pipe that connects to the upper radiator hose and the engine

Brand:
Hamburg Tech - Corporate Logo
ES#:
5424554
Mfg#:
06E121045BB
Ships in 8 Business Days
ON SALE! SAVE 20%
$88.99

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

$71.19 USD
Free Shipping
on orders $49 and up

Cooling Flange Replacement Kit

ES#2770993 - 06D121132Ckt1 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Genuine Volkswagen Audi - Audi

Cure the common coolant leak coming from the back of your engine compartment

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2770993
Mfg#:
06D121132CKT1
Ships in 1 day
$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Double Stud - Priced Each

ES#472037 - N91148001 - Double Stud - Priced Each - Install new hardware with your new parts. M6x22/M6x14 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x22/M6x14

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472037
Mfg#:
N91148001
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.

$12.32

This product was last offered at the strikethrough price on
09-10-2026

$11.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#4818479 - 06H121132H - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Bremmen Parts - Audi

Located at the rear of cylinder head, includes o-rings 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818479
Mfg#:
06H121132H
In Stock
ON SALE! SAVE 37%
$15.99

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

$10.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe

ES#280780 - 06E121045T - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Genuine Volkswagen Audi - Audi

Coolant supply pipe for the cylinder heads

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280780
Mfg#:
06E121045T
Ships in 1 day
10% off MSRP

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

$510.00

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

$459.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Hose O-ring

ES#3132777 - 06E121119H - Thermostat Hose O-ring - Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 - Genuine Volkswagen Audi - Audi

Seals the coolant pipe to the thermostat housing. 23x28.4x4.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3132777
Mfg#:
06E121119H
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Thermostat Housing

ES#4045693 - 03H121117APRM - Aluminum Thermostat Housing - Common point of failure or leaking for the cooling system. Features a superior aluminum construction over the factory plastic unit. - URO Premium - Audi Volkswagen

Common point of failure or leaking for the cooling system. Features a superior aluminum construction over the factory plastic unit. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4045693
Mfg#:
03H121117APRM
Ships on Oct 5, 2026
$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Supply

ES#3697694 - 06E121045BD - Coolant Pipe - Supply - Main supply pipe that connects to the upper radiator hose and the engine - Vaico - Audi

Main supply pipe that connects to the upper radiator hose and the engine We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3697694
Mfg#:
06E121045BD
Ships in 1 Business Day
$228.99

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

$221.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#285954 - 07K121133E - Coolant Flange - Located on the driver side of the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Located on the driver side of the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285954
Mfg#:
07K121133E
Ships in 1 day
8% off MSRP

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

$77.99

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

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

Shouldered Nut - Priced Each

ES#4883340 - N01508210 - Shouldered Nut - Priced Each - Install new hardware with your new parts. M6 - Rein - Audi Volkswagen

Install new hardware with your new parts. M6 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883340
Mfg#:
N01508210
In Stock
ON SALE! SAVE 10%
$2.19

This product was last offered at the strikethrough price on
04-27-2026

$1.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#284820 - 079121119 - Thermostat Housing Gasket - Must be replaced when replacing the thermostat - Genuine Volkswagen Audi - Audi

Must be replaced when replacing the thermostat Engine code BNK

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284820
Mfg#:
079121119
Ships in 1-3 days
13% off MSRP

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

$22.99

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

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

Thermostat Hose O-ring

ES#4370055 - 06E121119H - Thermostat Hose O-ring - Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 - Victor Reinz - Audi

Seals the coolant pipe to the thermostat housing. 23x28.4x4.5

Brand:
Victor Reinz - Corporate Logo
ES#:
4370055
Mfg#:
06E121119H
Ships in 5 Business Days
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3132778 - 06E121119J - Sealing O-Ring - Priced Each - Seals the coolant flange to the supercharger compressor - Genuine Volkswagen Audi - Audi

Seals the coolant flange to the supercharger compressor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3132778
Mfg#:
06E121119J
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#2581848 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Elring - Audi Volkswagen

O-Ring between thermostat housing and cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2581848
Mfg#:
021121119A
In Stock
$4.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Coolant Flanges & Parts

Replace a cracked or failed coolant flange with a brand new coolant flange to stop those leaks!

Other Audi Engine Coolant Flanges & Parts

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