OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives

Johnson outboard rebuilt lower unit

60 Degree replacement lower unit gearcase assembly
years 1995 and up

  • Johnson outboard V4 60 degree loopcharged with 20 inch transom GL with pilot hole years 1995 to 2006
  • Evinrude 75 and 80 hp. 3 cylinder E-Tec with 20 inch shaft years 2004 to 2006
  • 100 hp. WQL with 20 inch transom year 1998
  • Contact our tech department for rebuilt pricing

Johnson outboard rebuilt lower unit

Johnson outboard V4 lower unit

Lower unit

Shafts are available that clip into lower units for 20 and 25 inch transoms if required.
If reusing the old shaft you will have to disassemble your old unit and remove the pin that’s holds the shaft in place.
Please see upper drive shaft page for new shafts.

28510 V4 60 degree 1995-up

P/N 28510 Complete aftermarket gearcase OMC V4 and inline 3 cylinder gear ratio 2.0:1 teeth 13:26 OEM 5004632

$1895.95 US

$2368.00 Cdn

side view

Small Gear case Type V4 60 degree years 1995 to 2006

Physical Characteristics are: 19-1/16 inch tall.
Curved at the trailing end of the gear housing and fin.
Flat at the trailing end of the cavitation plate.
cavitation plate to propeller center 8 inch.
2 slots above the cavitation plate.
External water intake screens.