MerCruiser D-TRONIC VM Diesel 2.8L 4.2L 169 CID 254CID PISTON. MerCruiser part numbers 795-803122A1, 795-803122A 1, 803122A1, 803122A 1, 795-854091, 854091. Casting number inside of piston 09.12 4017/Casting number on piston head 46-99 2064F. Very good  low hours condition. Piston was removed from a 4.2 I/L6 under warranty which broke a crankshaft. May fit other non marine engines.

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