Low / Slow Speed Adjustment Knob for Johnson, Evinrude, OMC Motors This sale includes a printed aftermarket Low / Slow Speed Adjustment Knob.  Replaces Johnson, Evinrude, OMC part # 0319152, 319152 Fits: 1974 -1985 9.9HP & 15HP models  Please feel free to ask any questions you might have.  Buyer satisfaction is guaranteed!