Sierra 18-2176 OMC 908063 0908063 Ball Bear Stringer Intermediate Housing SEI Exhaust Manifold Yamaha Part Number(s): 67D-85650-00-00 -

Yamaha Part Number(s):  67D-85650-00-00 - Rotor / Flywheel

Possibly Relevant Years & Outboards: TD-15 TS-15 1941 1942 TS-20 TD-20 1946 1947 1948 1949

This is for the old/early design exhaust system that had a 3" inlet on the y-tube and likely a 3" riser and likely a reduction boot that goes from the 3" riser to the 4" inlet on this unit

Replaced By / Should be mostly Equivalent to Volvo Penta 3850799 & OMC 987784

0909941 / 909941 Cylinder Bracket To Housing

Sierra 18-2176 OMC 908063 0908063 Ball Bear Stringer Intermediate Housing SEI Exhaust Manifold Yamaha Part Number(s): 67D-85650-00-00 -Part Number(s) Included Sierra 18 2176 > Replaces OMC 908063 0908063 Ball Gear Aftermarket Ball Gear both Sierra & SEI sold the same one and can be used to replace an OEM ball gear as well. Still a lot of life yet About 85%+ Remaining (see pictures) General Application Compatibility OMC Stringer Intermediate Housing Side Ball Gear All OMC Stringer Sterndrive applications 1973 1985 i. e. 4cyl, 6cyl V6, V8 120hp,140hp,165hp, 170hp, 175hp, 190hp ,225hp