OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
Johnson lower unit gears 40 to 75 hp
2 and 3 Cylinder 40 to 75 HP loop charged housing
Updated May 15 2026
GLM P/N 22670
- Complete gear set with 3 jaw clutch dog.
- Sierra 18-2210, Mallory 9-73500.
- Fits 2 cylinder 40 – 60 hp loop charged motors (1986 – 2006)
- 3 cylinder loop charged 60 to 75 hp (1975 – 2001) with large housing (see below for specific models).
- 12/29 tooth ratio.
Johnson lower unit gears 40 to 75 hp
22670 Johnson Outboard
50 hp. S CYD Large case 1995 – 1997
60 hp. 3 cylinder 20 inch model 1986 – 1997
65 hp. Commercial 1984 – 1997
90 hp. 1981 – 1997
70 hp. 1975 – 1997
75 hp. 20 inch model 1975 – 1988
$497.95 us
$421.89 cdn
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22673 Clutch Dog 318303
$106.95 us
$132.89 cdn
22671 Pinion Forward Gears
P/N 22671
Johnson pinion / forward set. See above for compatible models. 12/29 teeth, 2.42:1 ratio.
Replaces OEM 397338, Sierra 18-2207, Mallory 9-73501.
$312.95 us
$330.89 cdn
