Sierra 18-2603 Lower Shift Cable Kit Sierra Lower Shift Cable Kit Contains shift cable (18-2190), outdrive gasket (18-2619-1), outdrive mounting gasket (18-2743) and shift cable bellows (18-2753-1) Sierra part number: 18-2603 Interchangeable with the following: GLM 21450, Mallory 9-72100, Mercruiser 19543T1, 19543T2, 865436A03 Fit specific, check part numbers to ensure proper fit