- 3/8 inch N.C. thread Johnson / Evinrude outboard drain screw magnet picks up iron filings in oil
style washer / gasket (included)requires aviation gasket compound for complete seal when pressure testing at 20 lbs.
- Nylon washer
only requires a coating of grease or oil for perfect seal at 20 lbs.Helicoil thread repair kit is available for stripped
threads (#5401-6) which includes drill, high speed steel tap, installation tool and 3 lengths of inserts.
- OEM 318554
- Exploded view lower unit Johnson drawings