ForMercruiser Alpha 1 Gen 1 U-Joint H.D 

Fits Mercruiser Sterndrives

OE# 75832T1, 3850812

Greasable

1970 to 1997

Also Fits OMC Cobra, Joint Venture 1986-1997

Volvo Penta, SX

Will Not Replace Mercruiser Sealed U-Joints

Will Not Fit Serial Numbers Above 0K999999