15pcs Lower Unit Gear Case Drain Screw Gasket 26830749 9mm Rubber Coated Stainless Steel Washer Replacement for Mercury Mercruiser Mariner Quicksilver Outboard Marine Boat by AUTOMAJOR

Direct replacement for Mercury Marine OEM 26830749 and 26930749 Crossreferences with newer Mercury part numbers 268M0204694 and 8M0204693 Dimensions 9mm 035in ID 14mm 055in OD 15mm 006in thickness 15pack provides enough gaskets for multiple complete lower unit gear lube services each service requires 2 gaskets one for lower drain screw one for upper vent screw Used on lower unit gear case drain and fill screws on Mercury Mercruiser Mariner and Quicksilver outboard motors and stern drives Each lower unit has two drain points the lower drain screw for draining old gear oil and the upper ventfill screw for venting during draining and refilling Both use the same 26830749 gasket Stainless steel core with bonded rubber coating on both sides Stainless steel will not rust or corrode in saltwater freshwater or any marine environment The rubber sealing surface conforms to microscopic imperfections in the lower unit housing for a watertight seal even on older units with surface wear Resistant to gear lube saltwater freshwater and all marine fluids Reusing old drain screw gaskets is one of the most common causes of water intrusion into the lower unit gear case leading to gear oil contamination the classic milkycoffee gear lube on the dipstick gear damage bearing failure and eventually catastrophic lower unit failure costing thousands to repair Replacing both gaskets at every gear lube service is cheap insurance Compatible with Mercury Marine outboards 2hp through 400hp including Mercury 4stroke 2stroke Verado OptiMax Pro XS Mercruiser stern drives Alpha One Bravo OneTwoThree R MR and MerCruiser inboards Mariner outboards 2300hp Quicksilver outboards Model years 19842024 Torque drain and vent screws to manufacturer specification typically 34 ftlbs 45 Nm Use Mercury Premium 75W90 gear lube