- Replacement complete upper drive shaft housing for Mercruiser 1/R/MR/ Alpha one outdrive years 1970 to 1990 *No
- Includes long yoke (drive shaft), U-joint and socket
- See our upper gearcase drawing page for photos and a list of all the internal parts and components included
- Serial #6225577 and up
- All gear
ratios are available, refer to application chart below.
- Tech support exploded view drawings