Sierra's 18-2753-2D Shift Cable Bellows come in a display pack. They are designed for use in all Mercruiser #1, #2, Alpha, Bravo I, Bravo II, and Bravo III stern drives. The package includes (1) Bellow, (1) Sierra 18-7321 Bellows Clamp, and (1) Sierra 18-710-20-2 Hose Clamp (13/16" to 1-3/4"). They are interchangeable with Mallory 9-72705 and Mercruiser Stern Drive 31659, 74639, and 74639A2. Each Sierra product meets or exceeds the original equipment part it replaces.