Features: 1.Application: Exhaust tube bellow is good replacement for Mercruiser Marine Alpha Bravo stern drive engines exhaust pipes. 2.OE Number: Replacing manufacturer part numbers for reference are 78458A1, 18?2760, 9?72810, 89150, to ensure perfect fit. 3.High Reliability: The manufacturing conforms to the standard specification, strictly follows the factory quality control, can be used for a long time. 4.Quality Material: Made of premium stainless steel and rubber material, exhaust tube bellow is flexible, sturdy and durable, long service life. 5.Excellent Replacement: Professional manufacturing, high performance, directly replace the old or damaged one. Specification: Item Type: Exhaust Tube Bellow_x000D_ Material: Stainless Steel + Rubber_x000D_ OE: 78458A1, 18-2760, 9-72810, 89150 _x000D_ Application: Replacement for Mercruiser Marine Alpha Bravo stern drive engines exhaust pipes_x000D_ Applicable: These bellows are designed for the following Replacement for MerCruiser applications_x000D_ Replacement for MerCruiser R MR Alpha One Serial No. 6225577 UP (1983-1990)_x000D_ Replacement for Bravo I, II, III Serial No. OB664190 UP (1988 and later)_x000D_ Replacement for Blackhawk Serial No. 0F18677 UP (1994-1995). Note: 1. Please double check the part number of your item, matching information is for reference only._x000D_ 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!