Mercury 25-70937 Genuine OEM Alpha Blackhawk 3-3/4" Drive Shaft Gear O-Ring

  • Sale
  • Regular price $6.95


  • Genuine OEM Mercury Quicksilver Parts
  • Alpha Blackhawk 3-3/4" Drive Shaft Gear O-Ring
  • I.D.: 3-1/2"
  • O.D.: 3-3/4"
  • Width: 1/8"
  • Manufacturer: Mercury, Mariner, MerCruiser, QuickSilver
  • Part Number: 25-70937
  • Also Known As: 2570937, 25-35984, 2535984
  • For use with:
    • 470 STERNDRIVE - 470 1976-1977
    • 225-S/233 (1.32 RATIO) STERN DRIVE - 225-S 1974
    • 225-S/233 (1.32 RATIO) STERN DRIVE - 233 1975-1977
    • 888 STERN DRIVE (1.50) RATIO - 888 1971-1977
    • 898 (1.50 RATIO) 1228 (1.50 RATIO) 1250 (1.32 RATIO) - 250 1977
    • 898 (1.50 RATIO) 1228 (1.50 RATIO) 1250 (1.32 RATIO) - 898/228 1977
    • BLACKHAWK DRIVE/TRANSOM ASSEMBLY - BLACKHAWK 1994-1995
    • R/MR ALPHA ONE STERNDRIVE - R/MR/ALPHA ONE (Sterndrive) 1983-1990
    • R/MR ALPHA ONE STERNDRIVE - R/MR/ALPHA ONE (Transom Assembly) 1983-1990
    • ALPHA-ONE SS, II SSM, III, III SSM, IIIA SSM, IV SSM, V SSM - SSM II/III/IV/V 1982-1995
    • ALPHA-ONE SS, II SSM, III, III SSM, IIIA SSM, IV SSM, V SSM - ALPHA ONE SS 1986-1989
    • ALPHA ONE GEN II STERNDRIVE AND TRANSOM ASSEMBLY - ALPHA ONE (GEN.II) 1991-1995
    • ALPHA ONE GEN II STERNDRIVE AND TRANSOM ASSEMBLY - ALPHA ONE (GEN.II) 1996-1997
    • ALPHA ONE GEN II STERNDRIVE AND TRANSOM ASSEMBLY - ALPHA ONE (GEN.II) 1998 AND UP
    • 120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 165 1978-1981
    • 120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 228 1978-1982
    • 120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 470 1978-1982
    • 120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 485 1980-1982
    • 120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 898 1978-1982
    • 120/140 (1.98 RATIO) 165 (1.65 RATIO) 470/485 (1.84 RATIO) 260/898/228 (1.50 RATIO) - 120/140 1978-1982