MerCruiser 77987 Thrust Washer Alpha One MR Gen II Propeller Prop Nut Hub Kit

Part Number(s) Included

• 77987 / 13171 / 12-835467-1 / 12-835467Q01 Thrust Washer
  • For use with propellers that the rubber hub is NOT VISBLE and has a metal backing to the hub
    • Black Max Series Props which is still the common contemporary prop that is produced to this day
    • Non-SMC Michigan Wheel Props
• 12-31211A3 / 12-31211Q03 Splined Propeller Shaft Washer
• 14-816629 Propeller Nut Tab Washer
• 11-52707 Prop Nut

General Application / Compatibility

• This would have been used in conjunction with MerCruiser propellers (Produced after 1983) that have a metal insert on the back of the prop covering the non-removable rubber hub regardless of engine application for any drive that was produced after 1970 (Pre-Alpha / R / MR / Gen II). This Thrust washer was only paired with the "newer" Style contemporary propeller
  • 1969 & Earlier MerCruiser drives used a completely different thrust washer that paired with the flat shoulder on the prop shaft
• Engine configuration does not matter.
• Please see the 2nd picture in this listing to help visually identify which thrust washer you would need for your application.
• Also fits some Mercury V6 Outboards. (175hp / 200hp / 220hp / 225hp)

Other Details

• Freshwater Used Parts
• You get the entire set like the one pictured.
• Overall Good Condition!

Purchase with confidence!

1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999

120hp 2.5L 4cyl / 140hp 3.0L / 3.7L 470 170hp / 4.1L 250 165hp / 5.0L V8 302 888 / 5.0L 305 898 / 5.7L 350 V8 260hp etc..