Lower Unit & Gearcase

Sierra 18-2743 Drive Shaft Housing to Bell Housing Gasket, Replaces 19543A4 - Mercruiser Outdrive

Sierra 18-2699 Outdrive Gasket Kit for SX Drives, Replaces Mallory 9-62606

Sierra Gear Housing Seal Kit 18-2694, Replaces Evinrude/Johnson 433550, Fits Johnson/Evinrude 50-75 HP 3-Cylinder Outboard Gearcases 1979-2003

Sierra Clutch Housing Seal Kit 18-2698, Interchangeable with GLM 87660, for OMC Outboards 170-200 HP

Sierra 18-2692 Lower Unit Seal Kit for Johnson/Evinrude 85-115 HP V-4 Outboards (1973-83)

Sierra 18-2686 Lower Unit Seal Kit for Johnson/Evinrude Outboard Motors, Replaces OEM 304764 and 313284

Sierra 18-2685 Lower Unit Seal Kit (OE 321786, 321787) for Johnson/Evinrude Outboard Motors

Sierra 18-2683 Lower Unit Seal Kit for OMC King Cobra Lower Unit (1990)

Sierra Lower Unit Seal Kit 18-2659, Replaces OMC 396355, for Evinrude/Johnson Outboard Gear Housings

Sierra Lower Unit Seal Kit 18-2660, Replaces 396349, for Johnson/Evinrude Outboard Motors

Sierra 18-2656 Lower Unit Seal Kit, Replaces OMC 396350, for Johnson/Evinrude Outboard Motor

Sierra Lower Unit Seal Kit 18-2652 for Mercruiser Alpha One, Alpha One SS, MR, R Stern Drives (Replaces 26-33144A2)

Sierra 18-2658 Lower Unit Seal Kit for Johnson/Evinrude Outboard Motor, Replaces 396351

Sierra Upper Unit Seal Kit 18-2648, Replaces Mercury Marine 26-32511A1, MerCruiser Alpha One

Sierra 18-2653 Lower Unit Seal Kit, Replaces 26-55682A1, for Mercury/Mariner Outboard Gearcase

Sierra Lower Unit Seal Kit 18-2645-1, Replaces 26-76868A1, Fits Mercruiser Bravo I, II and III

Sierra 18-2646-1 Lower Unit Seal Kit for Alpha One Gen II Sterndrives

Sierra 18-2643 Upper Unit Seal Kit for MerCruiser Bravo II X, Bravo III, Bravo III X and Blackhawk Drives

Sierra 18-2619-1 Outdrive Gasket Set - Replaces 27-64818A3, Fits MerCruiser 1, R, MR, Alpha 1 with Exhaust Tube

Sierra Transom Seal Kit 18-2601-1, Replaces 30-803097T1, Fits Mercury R, MR, Alpha One (1983-90) and Alpha One SS (1986-89)

Sierra 18-2613 Outdrive Gasket Set - Replaces OMC 508105

Sierra Outdrive Gasket Set 18-2614, Replaces 27-64818, MerCruiser 1967-1982

Sierra 18-2599 Face Seal and Tool, Fits Alpha One Gen II Drives, Replaces 26-816575A2