MerCruiser Alpha One R MR U-joint assembly Yoke 46020T Upper Unit Sterndrive 18hp This was off 1994 GTX

This was off 1994 GTX Three Seater with a 657 Bombardier

Trim Cover: 20485

This was removed from an 80's Mercruiser 350CID 260hp V8 8 Cyl Cylinder  I/O 4 BBL Barrel Alpha One Sterndrive MCM 260 One Piece Main Rear Seal Serial # B427588

This was off 1994 GTX Three Seater with a 657

Compatible with sierra distributor cap 18-5353

MerCruiser Alpha One R MR U-joint assembly Yoke 46020T Upper Unit Sterndrive 18hp This was off 1994 GTXItem Details & Compatibility This is a Gear side yoke assembly for alpha one R MR Alpha One Gen I Sterndrives (1969 1990) The same yoke U Joint assembly 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. 7L 4cyl 4. 3L V6 305 5. 0L V8 898 350 5. 0L V8 etc. etc. also the very rare instances of alpha ones paired with 454's Notable & Relevant Part Number(s) 46020