Replacement fill and drain screw set 3/8" for Mercruiser I,R,MR,Alpha One,TR,TRS & all O/Bs with 3/8-16 non-magnetic gear lube fill or vent screws
Replaces - 18-2244, 9-72650, 79953Q2 and 307551
Aftermarket Mercruiser 10-79953Q2 Drain Screw Set
Replacement fill and drain screw set 3/8" for Mercruiser I,R,MR,Alpha One,TR,TRS & all O/Bs with 3/8-16 non-magnetic gear lube fill or vent screws
Replaces - 18-2244, 9-72650, 79953Q2 and 307551
Aftermarket Mercruiser 10-79953Q2 Drain Screw Set