Featuring all the parts needed to effectively rebuild an outboard powerhead in one convenient package, our powerhead rebuild kits offer a combination of cast WSM Pistons complete with Japanese rings, pins, and clips, the highest quality gaskets available, and the necessary crank bearings, rod bearings, and rod bolts. These kits are available with Standard-Size Pistons or .015/.020/.030/.040 Oversize Pistons, so please specify when placing an order.

This rebuild kit is designed for use with Mercury/Mariner 75/90/115 HP 3-Cylinder 1.5L DFI/Optimax Powerheads with a 3.6255" Bore Size.

Three Pistons [Complete with rings, pins, and clips]

One Gasket Kit [including 1 Base Gasket, 1 Air Box Gasket, 1 Intake Manifold Gasket, 3 Reed Gaskets, 2 End Cap O-Rings, 1 Fuel Pump Gasket, 2 Thermostat Gaskets, 2 Case Half O-Rings, 1 Upper  Oil Seal, and 1 Lower Oil Seal]

Three Wrist Pin Needles

Main Bearings [One Upper, Two Center, and One Lower]

Three Lower Rod Bearings

Six Rod Bolts

This item is eligible for Free Shipping to locations in the Lower 48. Increased fees will apply for Alaska, Hawaii, other US Territories, and International Shipping. 

If you have any questions or you wish to place an order, please send us an eBay message. Our shop is open from 9AM-4PM CST Monday-Friday. We will respond to your eBay messages as soon as we can during business hours.. To ensure that the proper product is ordered, it will be helpful to have your motor's model number available.