Sierra 18-7633 Trim SenderLimit Kit Sierra replacement trim senderlimit kit for Mercruiser drives. Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. Fits MC-I, R, MR, Alpha, Alpha Gen II, Bravo drives Interchangeable with Mercruiser Stern Drive 805320A03 805320A1 17693A2 96863A15 63115A12 88678A4 88678A5 Click to Download Sierra 18-7633 Trim SenderLimit Kit Installation Instructions California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov