For Mercruiser Gimbal Bearing Alpha One 1 Gimble 30-879194A02 60794A4
When bad, the gimbal bearing makes a roaring noise which is easily recognizable. 120HP / 140HP (2791957-6225576) (With Gimbal Trim Sender). 1 Piece Gimbal Bearing. For all OMC and King Drives. for OMC - 0983937, 3853807.