Check the listing for details. Mercury Outboard Merc 7.5 9.8 HP Tillotson BB1 BB2 BB3 BB4 BB5 BB6 BB7 Carb Kit. Condition: New. Listed at 39.95 USD. You are purchasing a Tillotson BB Series Carburetor Kit DI 24099 Used on the following Tillotson Model Carburetor. ~ Note! Please make sure your Model Carburetor number is listed below. BB-1C BB-2C BB-3A BB-3B BB-4A BB-5A BB-5B BB-5D BB-6A BB-7A ~ Note! The BB-1A BB-1B BB-2A BB-2B Uses a different Kit ~Note! Walbro made a "WMB" Series CarburetorThey look very similar, but uses a different KitBe sure to check the numbers on your old carb This is an OEM (Original Equipment Manufactured) Tillotson Rebuild Kit. ~ Application: Mercury Outboard Motor ~ Model Numbers Merc 7.5 HP Merc 9.8 HP We also carry Parts for most all American made Outboard MotorsChrysler - Clinton - Evinrude - Eska - Johnson - McCulloch - Mercury - Scott-Atwater - SearsPlus about 40 brand names not listed We also have most of the remaining parts for the OBSOLETE McCulloch Chain Saw and Generators Any questions please email through "Ask A Question" Discount Marine PartsBark River, MI 49807