HEATER CORE BYPASS KIT, Universal, Fits MOST Vehicles and ALL 5/8" and 3/4" ID Heater Hoses. Easily Stop Flow to Your Heater Core With This Premium Hi Temp Hi Pressure By-Pass Kit. Made In USA!

This kit installs in minutes without making any permanent mods to your vehicle.

NO HOSE CUTTING REQUIRED! With this kit you can control flow to your heater core with a turn of the handle! Easy 5 Minute Install.

Locate your heater core inlet hose.

There will be two hoses coming from the firewall.

One is the heater core "in" and the other is the "out".

This kit MUST be installed on the "IN" hose.

Follow the hoses from the firewall and install this kit on the other end.

Remove the vehicle heater hose from the port on the engine and install the supplied hose, valve, and clamps.

This kit can be installed on either end of the heater IN hose.

SEE PHOTOS TO THE LEFT.

This kit is 100% safe for your vehicle and won't cause any damage or Check Engine Lights.

This kit is comprised of PREMIUM components that WILL NOT fail.

This PREMIUM kit is MADE IN THE USA and includes: ONE Hi-Temp/Hi-Pressure Shut off Valve, ONE 4" Hi-Temp/Hi Pressure Heater Hose, THREE Stainless Steel Smooth Edge Band Clamps that WILL NOT cut into your hoses