MerCruiser Alpha One 43-853640A2 Gen II 1998 & UP Upper Gear set 2.00:1 1.62:1 Upper Unit If you any knowledge on

If you any knowledge on what this came from

New rubber button cover

Generally used 1987-1997 on V6 4

D7FZ-6K282-A Tensioner Spring Bolt

maybe 165hp Just make sure your gear teeth number are the same as what is listed here

MerCruiser Alpha One 43-853640A2 Gen II 1998 & UP Upper Gear set 2.00:1 1.62:1 Upper Unit If you any knowledge onPart Numbers Included 43 853640A2 Gear Kit (MerCruiser Gen II Upper Unit Gearcase 1998 & Up [SN 0L000040 and above]) 821823 & 853640 (stamped numbers) 66081A2 Bearing Carrier Item Details Found in MerCruiser Gen II upper gearcases for GM 3. 0L 4cyl Engines 1998 & Up The gear set here is 43 75325A3 (Sierra equivalent 18 2204) 24 24 (tooth count) (1. 62: 1 & 2. 00: 1 Ratio Sterndrives) If you have any questions on compatibility, or any other questions