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 .010/.015/.020/.030/.040 Oversize Pistons, so please specify when placing an order.
This rebuild kit is designed for use with Mercury/Mariner 70-90 HP L3 3-Cylinder Powerheads with a 3.375" Bore Size; this kit fits 1987 to 1991 Bottom-Guided Models. The kit includes the following:
Three Pistons [Complete with rings, pins, and clips]
One Gasket Kit [including 1 Head Cover Gasket, 1 Base Gasket, 6 Carb Gaskets, 6 Reed Block Gaskets, 2 Exhaust Gaskets, 1 Lower End Cap O-Ring, 1 Lower Crank O-Ring, 1 Upper Crank O-Ring, 1 3.0 Litre O-Ring, 1 Fuel Pump Gasket, 1 Upper Crank Oil Seal, and 1 Lower End Cap Oil Seal]
Main Bearings [One Upper, Two Center, and One Lower]
Rod Bearings [Three Upper and Three Lower]
Six Rod Bolts
SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive an email and a PayPal money request for the additional shipping charges at the email address provided. (Some items are excluded from international shipping)
If you have any questions, please contact us through e-mail at customerservice@marinepartswarehouse.com. Please provide your engine model number to help confirm compatibility.