Sierra Gasket Drain Screw (Pack of 5) 18-2430-9
Used with: 3/8-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/B gearcases
Rubber coated, stainless steel washer
Forms a tear resistant gearcase drain screw seal
Package of 5
Sierra Gasket Drain Screw (Pack of 5) 18-2430-9
Used with: 3/8-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/B gearcases
Rubber coated, stainless steel washer
Forms a tear resistant gearcase drain screw seal
Package of 5