- Product Description
Featuring all the parts needed to effectively rebuild an outboard gearcase in one convenient package, our lower unit rebuild packages offer a combination of aftermarket kits, bearings, gears, and seals, all complete with a one-year limited warranty. In addition to the parts detailed below, please email or fill out the form below if you need any other parts to get your motor running again.
This rebuild kit, designed for the 3.0L Mercury Optimax ProXS Outboard 6 Cylinder 2-Stroke 225/250 HP Torquemaster 1 Lower Unit. You will need to verify the year and gearcase style of your motor.
It includes the following items:
Gear Set [Replaces OEM # 43-859321T04, 43-848881A1, 8M0192235]
Clutch Dog [Replaces OEM # 52-848878T]
Pinion Nut [Replaces OEM # 314730]
Bearing Kit [OEM Replacement #s in Parentheses] [Includes Aft Carrier Bearing (817072), Reverse Gear Bearing (30-88957T), Top Driveshaft Bearing (31-36387A1), Top Driveshaft Bearing (31-42647A1), Bottom Driveshaft Bearing (31-48939A2), Outer Forward Gear Bearing (828437A2)]
Water Pump Kit with Housing [Replaces OEM # 47-43026T11 and 817275A1]
Seal Kit [Replaces OEM # 816575A6]



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