MerCruiser 814819A3 Alpha One Gen II U-Joint Yoke Outdrive Upper Unit 1991-Up Flame Arrestor OMC 586283 / 0586283

OMC 586283 / 0586283

Bail Bar 305479 0305479

Superseded / Equivalent / Possibly Related P/N: 32732 / 46421A2 / 55429A3 (Location of oil breather changed on this model)

Other notable parts: 510188

MerCruiser 814819A3 Alpha One Gen II U-Joint Yoke Outdrive Upper Unit 1991-Up Flame Arrestor OMC 586283 / 0586283Item Details & Compatibility This is a Yoke Assembly for Alpha One Gen II (1991 & Up) Also this would be compatible with 1971 1990 V8 305 350 Stern Drives that required the longer edition yoke (4cyl & 6cyl engines from that time 71' 82' used what was called a "short yoke" that measures around 8 1 8" The yoke style was used in the years described above regardless of engine gear ratio of outdrive. I. E. 120hp 2. 5L 140hp 3. 0L 165hp 4. 1L, 470 165hp 3.