Marine O2 Sensor Adapter Plate



Pictured is a custom made adapter plate for marine applications that choose to add a heated (three wire or four wire) O2 sensor for use when converting an engine from an “open loop” system to a “closed loop” system. The adapter plate bolts to the exhaust manifold riser.

Included with this item:

  • Custom adapter plate
  • Gaskets for adapter plate
  • O2 sensor