SHAFT - MAST YOKE (Crown CR73989-1)

CR73989-1: A worn mast yoke shaft can cause erratic load positioning and increased driveline vibration. This aftermarket replacement part references Crown as the OE maker and carries the cross-reference number CR73989-1. The shaft serves as a pivot point within the mast yoke assembly, transferring rotational force to control vertical movement. A common failure consequence is binding or uneven travel, which may lead to premature wear on connected bushings. During routine service, technicians often check this shaft for scoring or corrosion that could compromise smooth operation. Verify the serial number or application, then call (562) 693-7748.

Part number variants: CR73989-1, cr73989-1, CR739891, cr739891