This item for sale is a brand new tilt and trim sensor for Mercruiser sterndrives and transom units. Installation instructions included! Replaces Mercruiser Part Number: 805320A03 805320A1 176932 A2 96863 A1 563115 A1 2 86678 A4 88678 A518-7633 Sierra Fits: MC-1 R MR Alpha One Alpha One Gen II Bravo Row Class Part Number SS Display Level Description 1 805320A03 00 ACT SENDR KT-ALPH/BRV 2 805320A1 01 SS SENDR KT-ALPH/BRV 3 17693A2 02 SS TRIM SENDER KIT 4 96863A15 03 SS TRIM SENDER 5 63115A12 04 SS TRIM SENDER ASSY 6 88678A4 05 SS TRIM SENDER ASSEMBLY 7 88678A5 06 SS TRIMMER SWITCH ASSEMBLY