1623-859399T16 OUTBOARD GEARCASE ASSEMBLY
Black, 1.75 Gear Ratio, 25" (XL) shaft. 12 pinion teeth, Counter Rotation (LH),13 spline driveshaft.
Fits Mercury or Mariner 200, 225, 250 HP 3.0L OptiMax/DFI outboards serial number 1B504988 and prior.
1623-859399T16 OUTBOARD GEARCASE ASSEMBLY
Black, 1.75 Gear Ratio, 25" (XL) shaft. 12 pinion teeth, Counter Rotation (LH),13 spline driveshaft.
Fits Mercury or Mariner 200, 225, 250 HP 3.0L OptiMax/DFI outboards serial number 1B504988 and prior.