SE218 Lower Unit Mercury OB Counter Rotation | SEI 90-218CR
SE218 Counter Rotation
Replaces Most Mercury 3.0L Counter Rotation Lower Units Do not use for standard rotation 13 Splines 25 and 30 inch Shafts. If you have an 8 Spline drive shaft you will need to buy the stub shaft unit and purchase an upper driveshaft from an OE dealer. 25" 45-823901A 1 30" 45-824115A 1 (This shaft is no longer available from the OE. You will need to either source a used one or repair your old unit.)
Magnesium anode for a 1994 OMC Cobra (SX-C) transom shield
Obtaining magnesium anodes to install on the OMC Cobra (SX-C) sterndrive, for fresh water use. Received the anode within a week of ordering the part, which is not going to be installed until Spring.