Special order item please contact before purchase
Strongest Lower Gear Housing Assembly in the Marine Industry for 1978-1985* OMC V6 and V8 Sterndrives. *Without shift assembly*
All GLM replacement lower gear housings for the V6 and V8 OMC Stringer sterndrives have the new heavy duty #22666 gear sets. This new gear set has fewer, larger, stronger teeth.
The pinion gear has 12 teeth and the forward and reverse gears have 22 teeth. The original OEM gear set has 14 teeth on the pinion and 26 teeth on the forward and reverse gears. During the gear machining process an additional pass is made over each tooth for a finer surface. This makes the gear operation
especially quiet. These durable gears are capable of operating with up to 300 horsepower.
All GLM lower gear housings have the large 1-1/4 inch diameter prop shafts with a reverse thrustwasher installed between the shaft and reverse gear.**
*Many 1978-1980 OMC sterndrives have had the hydraulic shift lower gear housing replaced with the 1981-85 mechanical shift lower gear housing. Sterndrives with the original hydraulic shift lower gear housing do not have an ESA (electronic shift assist) box or overstroke switches on the shift converter. 1978-1980 sterndrives that have been converted to the mechanical shift lower gear housing do/must have the ESA and overstroke switches installed.
*For model year 1991 OMC increased the prop shaft diameter at the carrier needle bearing
(not the prop splines) from 1-3/16 to 1-1/4 inches. The larger prop shaft/needle bearing is a direct replacement into the 1981-1985 lower gear housing and is installed in all GLM lower gear housings.
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