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/.020/.030/.040 Oversize Pistons, so please specify when placing an order.
This rebuild kit is designed for use with Mercury/Mariner 100-125 HP 4-Cylinder Powerheads with a 3.375" Bore Size; this kit fits 1989 to 1991 Bottom-Guided Models. The kit includes the following:
Four Pistons [Complete with rings, pins, and clips]
One Gasket Kit [including 1 Head Cover Gasket, 1 Base Gasket, 8 Carburetor Gaskets, 8 Reed Block Gaskets, 2 Intake Gaskets, 2 Exhaust Gaskets, 1 Lower End Cap O-Ring, 1 Lower Crank O-Ring, 1 3.0L O-Ring, 1 Fuel Pump Gasket, 1 Thermostat Gasket, 1 Upper Oil Seal, and 1 Lower End Cap Oil Seal]
Main Bearings [One Upper, Three Center, and One Lower]
Rod Bearings [Four Upper and Four Lower]
Eight 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.
