Shaft Mercruiser→Drive Shaft→MR

Part # & Price	Description
GLM11120 $299.95	Drive Shaft Lower Unit for Mercruiser Alpha 1984-1990 45-42634 Drive Shaft for Mercruiser MR Alpha Lower Unit 1984-1990. It will fit the following applications: MR Alpha one 1984-90 s/n 6225577 & up MR/Alpha one Counter Rotating 1984-90 s/n 6225577 & up. An Alpha drive will have no preload pin on the top of the drive shaft ans will have a plastic water pump housing. If you have a preload pin then you have a #1 drive. If you have a stainless steel impeller housing then you have a Generation 2. This part will not work for either of those applications. This item Replaces Mercury Quicksilver # 45-42634.