Old Air Products 4 Way Bypass Valve Universal

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Old Air ProductsSKU: 50-1555

Sale price $189.89
In Stock

Parts orders over $200.00 ship free (Lower 48 states only)

Product Info

Heater valve fits 5/8" heater hose, with sleeve adapters for 3/4" heater hose applications. Requires 12 volts. Made in the USA!

Frequently purchased with Vintage Air Heater and Defroster Kit if you have chosen not to purchase an EGR Delete.


  • Variable control of coolant to finely adjust the temperature
  • Special design diverts coolant directly to the engine, away from the heater core, when in the off position to reduce excess heat inside the vehicle


  • Electronic Bypass Heater Valve w/ Servo Motor
  • Wire Harness
  • Rotary Control Switch


Universal Fitment

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