Usage Tips:Feature: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, 182760, 972810, 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 BellowMaterial: Stainless Steel + RubberOE: 78458A1, 18-2760, 9-72810, 89150 Application: Replacement for Mercruiser Marine Alpha Bravo stern drive engines exhaust pipesApplicable: These bellows are designed for the following Replacement for MerCruiser applicationsReplacement for MerCruiser R MR Alpha One Serial No. 6225577 UP (1983-1990)Replacement for Bravo I, II, III Serial No. OB664190 UP (1988 and later)Replacement for Blackhawk Serial No. 0F18677 UP (1994-1995)..Package List:1 xExhaust Tube Bellow (with 1pc Stainless Steel Clamp)1 x ClipNote:1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!