Sierra 18-2100 Heavy Duty Gimbal BearingSierra replacement heavy duty gimbal bearing. Sierra engine parts are manufactured to meet or exceed OEM requirements.Features: Link Belt; Greasable; Fits all OMC, Cobra, and King Cobra drives; Fits:MerCruiser 120HP / 140HP (2791957-6225576) (With Gimbal Trim Sender); 165HP (2763442 & Up); 225S (3856268-4200499); 228HP (4782330 & Up); 233HP (4200500 & Up); 250HP (4791300 & Up); OMC Fits all OMC Cobra and King Cobra Drives; Volvo Penta 3.0L, 4.3L, 5.0L, 5.7L, 7.4L (1994-1998); 5.8L (1994-1996); 8.2L (1998); Interchangeable with: GLM; 21900; Mallory; 9-72410; MerCruiser Stern Drive; 30-60794A2; 30-60794A4; 30-60794B4; 30-879194A02; OMC Stern Drive; 3853807; 983937; Volvo Penta; 3853807;