Ace Industries 240-00947-A Marine Engine Substitute Tester is a marine-engine testing device identified by brand Ace Industries and part number 240-00947-A, designed for OMC Johnson Evinrude systems. The product is listed as a Marine Engine Substitute Tester and appears in used condition in a listing from Middlebury, Indiana, with the title explicitly mentioning OMC Johnson Evinrude. This specific 240-00947-A unit is intended for testing workflows on compatible marine engines, and buyers should verify exact compatibility with their OMC Johnson Evinrude setup before purchasing.
