Sierra 18-2644 Outdrive Upper Seal Kit MerCruiser - Alpha I Gen II SNFIRS3 Use what the pros use

Use what the pros use - high-suds formula removes common marine debris without stripping wax from the surface

Provides electrical insulation for exposed panel backs

Waste Water Tank: 5

Improved O-Ring design for more consistent seal

disposable propane fuel canisters

Sierra 18-2644 Outdrive Upper Seal Kit MerCruiser - Alpha I Gen II SNFIRS3 Use what the pros useUpper Unit Seal Kit Replaces OEM Models: Mercruiser # 26 88397A1 Alpha I Generation II Contains: 1 Seal Gasket Sierra # 18 2944 OEM # 26 455771 1 Drain Screw Gasket Sierra # 18 2945 OEM # 12 191833 1 Drain Screw O Ring Sierra # 18 7188 OEM # 26 805726 1 O Ring Sierra # 18 7169 OEM # 25 70937 1 O Ring Sierra # 18 7161 OEM # 25 32546 2 O Ring Sierra # 18 7420 OEM # 25 25439 2 O Ring Sierra # 18 7103 OEM # 25 29845 1 O Ring Sierra # 18 7117 OEM # 25