3.0L 200 / 225 / 250 HP 3.0 (EFI, DFI) OPTIMAX, After market, REC1623-859399T13 Black, 1.75 Gear Ratio, 20 \ shaft. 12 pinion teeth, Standard Rotation (RH) 13Ø/°Spline driveshaft. Fits Mercury or Mariner 200, 225, 250 horsepower 3.0L OptiMax/DFI outboards. (s/n 1B504988 and prior), REC1623-859399T14 Black, 1.75 Gear Ratio, 25 \ shaft. 12 pinion teeth, Standard Rotation (RH) 13Ø/°Spline driveshaft. Fits Mercury or Mariner 200, 225, 250 horsepower 3.0L OptiMax/DFI outboards. (s/n 1B504988 and prior), REC1623-822442A19 Black, 1.64 Gear Ratio, 20 \ shaft. Standard Rotation (RH) 8Ø/°Spline driveshaft. Fits Mercury or Mariner 200, 225, 250 horsepower 3.0L OptiMax/DFI outboards., REC1623-822442A20 Black, 1.64 Gear Ratio, 25 \ shaft. Standard Rotation (RH) 8Ø/°Spline driveshaft. Fits Mercury or Mariner 200, 225, 250 horsepower 3.0L OptiMax/DFI outboards., , Original, 1623-859399T13 Black, 1.75 Gear Ratio, 20 \ shaft. 12 pinion teeth, Standard Rotation (RH) 13Ø/°Spline driveshaft. Fits Mercury or Mariner 200, 225, 250 horsepower 3.0L OptiMax/DFI outboards. (s/n 1B504988 and prior), 1623-859399T14 Black, 1.75 Gear Ratio, 25 \ shaft. 12 pinion teeth, Standard Rotation (RH) 13Ø/°Spline driveshaft. Fits Mercury or Mariner 200, 225, 250 horsepower 3.0L OptiMax/DFI outboards. (s/n 1B504988 and prior), 1623-859399T15 Black, 1.75 Gear Ratio, 30 \ shaft. 12 pinion teeth, Standard Rotation (RH) 13Ø/°spline driveshaft. Fits Mercury or Mariner 200, 225, 250 horsepower 3.0L OptiMax/DFI outboards. (s/n 1B504988 and prior), 1623-859399T16 Black, 1.75 Gear Ratio, 25 \ shaft. 12 pinion teeth, Counter Rotation (LH) 13 spline driveshaft. Fits Mercury or Mariner 200, 225, 250 horsepower 3.0L OptiMax/DFI outboards. (s/n 1B504988 and prior), 1623-859399T17 Black, 1.75 Gear Ratio, 30 \ shaft. 12 pinion teeth, Counter Rotation (LH) 13 spline driveshaft. Fits Mercury or Mariner 200, 225, 250 horsepower 3.0L OptiMax/DFI outboards. (s/n 1B504988 and prior), PRO XS GEARCASE ASSEMBLY COMPLETE, 1600-880686A43 Black, 20 inch (L model) shaft length. 12 pinion teeth, right hand rotation Fits the 3.0L Mercury Optimax or Pro XS, s/n 1B504989 and above., 1600-880686A44 Black, 25 inch (XL model) shaft length. 12 pinion teeth, right hand rotation Fits the 3.0L Mercury Optimax or Pro XS, s/n 1B504989 and above., 1600-880686A51 Black, 30 inch (XXL model) shaft length. 12 pinion teeth, right hand rotation Fits the 3.0L Mercury Optimax or Pro XS, s/n 1B504989 and above., 1600-880686A52 Black, 25 inch (CXL model) shaft length. 12 pinion teeth, left hand counter rotation Fits the 3.0L Mercury Optimax or Pro XS, s/n 1B504989 and above., 1600-880686A53 Black, 30 inch (CXXL model) shaft length. 12 pinion teeth, left hand counter rotation. Fits the 3.0L Mercury Optimax or Pro XS, s/n 1B504989 and above.
REC1623-859399T13
Complete gearcase, 3.0L
Ratio: 1'75 : 1
Lenght: 20"
R.O.: 1623-859399T13