Gear Set, Lower Unit, Mercruiser

Gear Set. For: 888 s/n 3106717 & Up. For: #1 Units s/n 3469428 & Up except MR/Alpha unit (which have no pre-load pin top drive shaft). Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty. For: 888 s/n 3106717 & Up For: #1 Units s/n 3469428 & Up except MR/Alpha unit (which have no pre-load pin top drive shaft) Meets or exceeds manufacturer's recommended specifications Backed by Sierra's limited lifetime warranty