OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
P/N 89070 Upper 3 to 4 inchriser exhaust bellow.Replaces 70981A3.
P/N 89090 Lower bellow for 3 inch riser P/N 51110. Does not include clamps.32-90949T
P/N 51110 3 inch 15 degree elbow assembly with studs and gasket.98504A3
P/N 89130 Lower hose for 4 inch riser P/N 51140.32-14358T
P/N 89100 Sterndrive exhaust bellow – for transom plate to bell housing. Includes hose clamps and grounding clips.18654A1
P/N 30240-31100 Installation gasket set for 305 and 350 GM/Chevy 5.0 liter and 5.7 liter motors. P/N 30240 x 2 and 31100 x 2 included.