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New Mercury/Mariner 75/90/115 HP 3-CYL 1.5L DFI/Optimax Powerhead Rebuild Kit

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 Product Description

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, US Territories, and International Shipping. Shipments to Kentucky will be charged 6% KY sales tax.

If you have any questions, please contact us through e-mail at obparts+cs@gmail.com. Please provide your engine model and serial numbers to help confirm compatibility.

Didn't find the Outboard Part you needed?  We have many additional parts in our warehouse.  Please contact us directly to let us do a custom search for the part you need. 

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