Mercruiser Bravo Transom Seal Kit | Sierra 18-8219 Convenient service kit includes everything needed to remove & reinstall Mercruiser Bravo or Blackhawk stern drives. Sierra Bravo transom service kit For all Mercruiser Bravo I, II, and III and Blackhawk stern drives Contains exhaust bellows & exhaust tube, u-joint bellows with retainer, shift cable bellows, water hose, clamps, sealed gimbal bearing and gasket mounting kit Includes sealed gimbal bearing Will retrofit older Bravo drives with greasable gimbal bearing to the new sealed gimbal bearing Does not include intake hose insert Replaces Mercruiser 30-803100T1, 8M0095485