OMC 0914330 914330 Stringer 120hp 140hp 2.5L 3.0L Crankcase Side Cover 1970 & Up Couplers but from the manual it

but from the manual it looks like there were 4 different ones

Found on the AQ DP-280 & DP-290 Lower unit Gearcases

Gears 308343

OMC Stringer Outdrive Upper Gearcase Steering parts

Note that one of the center supports is a bit thicker which differentiates this from the other standard 4

OMC 0914330 914330 Stringer 120hp 140hp 2.5L 3.0L Crankcase Side Cover 1970 & Up Couplers but from the manual itItem Details OMC Crankcase Side Cover From a 1985 3. 0L 140hp 4cyl Cleaned & Repainted Overall Good condition, very clean on the inside. Part Numbers Included OMC Pushrod Side Cover 0914330 914330 3853138 Compatibility Fits OMC GM 120hp 140hp 4cyl 2. 5L 3. 0L Models 1973 1993 (Paint would be different for engines before 1986 OMC Stringer Blue Silver and Gray for Cobra 86 1998) Would fit some Volvo Penta models as well. Purchase with confidence!