Powerhead Rebuild Short Kit - Mercury / Mariner 40-50hp 4 Cyl
Powerhead Rebuild Short Kit
Kit includes: Piston Kits (piston, Riken Rings, wrist pin & Clips), Complete Powerhead Gasket Kit with Crank Seals and Rod bolts
The pistons in this kit are available in STD, .010", .015" .020", 030" & .040" oversize. Use the dropdown to select the piston sizes needed then click "add to cart". If your cylinders require different size pistons, you will need to give us a call to place the order
Mercury / Mariner
May fit additional models to those listed above. Please DO NOT order based solely on application info above. You MUST compare the oem number of the part for your engine to those listed below to ensure correct fitment of this part for your application! Failure to order this way will likely lead to the wrong part being ordered!
Replaces: 9229A7, 5172A6, 72486A32