Sierra Marine Parts Catalog

328 18-4840 ➁ COMPLETE LOWER GEARCASE ASSEMBLIES Replaces: 435277 Fits: 40/48/50hp w/20" Shaft (1989-92) 18-4841 ➁ COMPLETE LOWER GEARCASE ASSEMBLIES Replaces: 435276 Fits: 40/48/50hp w/15" Shaft (1989-92) 18-4843 ➁ COMPLETE LOWER GEARCASE ASSEMBLIES Replaces: 435279 Fits: 40/48/50hp w/15" Shaft (1993 and Up) ➀ Priced per package ➁ All gearcase assemblies pictured above are primered only. Be prepared to paint the gearcase to match your customer’s engine. 18-4248 18-4248-9 ➀ 18-42481-9 ➀ (PKG. OF 50) DRAIN/FILL PLUG WASHER (Plastic) Replaces: 311598 Used with 18-2387 Drain Screw  PKG. OF 5  PKG. OF 5 18-4253-9 ➀ 18-42531-9 ➀ (PKG. OF 50) DRAIN SCREW O-RING Replaces: 336982 Used w/ 18-1236 Drain Screw 18-2377 18-2377-9 ➀ RETAINER SCREW Replaces: 316563 PKG. OF 5 18-2379 18-2379-9 ➀ LOWER UNIT CARRIER SCREW Replaces: 320041 PKG. OF 4 18-4826 GEARCASE TO HOUSING SCREW Replaces: 331999 OUTBOARD — JOHNSON/EVINRUDE (OMC/BRP) - Drive System 18-2945 18-2945-9 ➀ 18-29451-9 ➀ (PKG. OF 50) DRAIN SCREW GASKET Replaces: 307552  PKG. OF 2 18-2387 18-23871-9 ➀ (PKG. OF 50) LOWER UNIT DRAIN/FILL SCREW Slot Head 18-1236 DRAIN SCREW Replaces: 309243 For: 40-50 HP (1989-97) Cobra Drives 18-4255 E-TEC DRAIN SCREW Replaces: 307551 Allan Head 18-2378 18-23781-9 ➀ (PKG. OF 50) MAGNETIC DRAIN SCREW Slot Head