E36 Silicone Cooling Hose kit - In Production / 2026
CAtuned Part number: CA44
1) Upper Radiator hose: 11531743535
2) Lower Radiator hose: 11531247261
3) Expansion tank to Water Pipe: 11531743295
4) Water Hose - From Water Pipe: 11531247398
5 and 6) Water/Air Hose
Notes: 11151247903 (this is now 2 separate hoses- does not affect performance)
5) Water Hose from Back of Cylinder Head to Intake Block
6) Air Hose from Valve Cover to Crankcase Vent Valve
7) Heater Hose - Inlet from Cylinder Head to Water Valve: 64211394295
8) Heater Hose - Outlet to Return Pipe: 64211387010
9) Hose clamps are included for each of the hoses
Awesome replacement option for your Z3 or 318 (M44 swapped) cars.
3' E36 (11/1994 — 08/2000) Including TI, Coupe, Sedan, etc
Z3 E36 (04/1995 — 04/1999)
This is the most comprehensive and complete kit you can get on the market! This is over $300 in coolant hoses for a lot less. This is a foolproof method. One kit does it all. See all the part numbers below and compare.
These are of the highest quality and meant to last for years and years.
Designed to replace the OEM hoses as a direct fit. Not only are all CAtuned hoses designed to withstand much higher pressures and temperatures than any original equipment hose, they have also been tested to over 50K miles and over 1 year in development. The discreet-looking black finish for those looking to create a real ‘factory with attitude’ engine bay. Each kit has been designed and developed in the USA. These hoses not only make a great insurance policy on a standard car, but they’re also an essential upgrade on a remapped or modified machine.
* Interior Material: Nomex
* Exterior Color: Black
* Exterior Material: Silicone
* Max Temperature: 330 F
These are OEM fit! They carry a Limited Lifetime Warranty!
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