Home › Forum › Ask A Member › Mix lower unit gears and gearcase halves? › Re: Mix lower unit gears and gearcase halves?
December 1, 2016 at 5:10 pm
#48324
The 375861 gear set was used in Evinrude Big Twins through 1956. The 376996 gear set was used in 1957 and later Big Twins. I assume that would also be true of RD Johnsons. . . 🙂

