* 8M0147073 Mercury Marine Service Kit - 300HR / WHITE WALL March thrust washers and prop nut

thrust washers and prop nut part numbers to best fit your engine or drive

Mercury-Mercruiser 7443A11 PISTON-STBD-

Heavy Duty

and reel it back in to view sonar with a 200’ castable range via an app display on your smartphone or tablet

Replaces vacuum breaker on SeaLand® 500+

* 8M0147073 Mercury Marine Service Kit - 300HR / WHITE WALL March thrust washers and prop nut8M0147073 Service Kit 300HR Alpha One Gen 2. 300 Hour Mercury MerCruiser Maintenance Kit 8M0147073 is for all Mercury MerCruiser Alpha One Gen II sterndrives (1991 and newer). The box includes the drive install gasket kit, aluminum anode kit, gear case drain seals, transom repair kit, shift cable kit, water pump impeller kit, gear case fill and drain screws. Mercury gear lube is sold separately. See your owner's manual for gear lube specifications.