Oil Pan Drain Plug Size/Thread Pitch, 1994 Chevy 454

Discussion in 'GM Powertrain' started by The Heater, Mar 19, 2013.

  1. The Heater

    The Heater Rockstar 100 Posts


    Does anyone know the size and thread pitch for a drain plug for a 1994 Chevy truck 454?

    The best guess I have is it might be a 1/2" NPT 20, but I can't confirm that. (I need to know for getting a special fitting to screw into the oil drain hole.)



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