OEM Mercury / Quicksilver Lower Unit Gear Hsg RH V-6 O/B 20" 859399T13
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Description
Description
OEM Mercury/Quicksilver complete gear housing (lower unit) assembly.
4.75″ torpedo diameter
1.75:1 gear ratio, standard (right-hand) rotation
20″ driveshaft
12-tooth pinion, 13-spline driveshaft
May fit most Mercury or Mariner 200–250 HP 3.0 L Optimax and EFI outboards with 20″ shaft.

