Gearcase-weedless Drive Parts for 1977 Johnson 4 hp 4R77B Outboard Motor
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A complete lower unit may be available for less than $950. Find one Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 — 309646 — SCREW,15/16"LONG (2 required per assembly) | ||
#1 — 308707 — SCREW,13/16"LONG (2 required per assembly) | ||
#2 — 302963 — SCREW,IMPELLER HOUSING (2 required per assembly) | ||
#3 — 310344 — HOUSING,IMPELLER (1 required per assembly) | ||
0310344 - Impeller Housing [ More info ] Unavailable |
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#4 — 203132 — PLATE,WATER PUMP (1 required per assembly) | ||
#5 — 277181 — IMPELLER ASSEMBLY (1 required per assembly) | ||
0277181 - Impeller Assembly [ More info ] Unavailable |
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0434424 - Impeller - See Notes - for metal pump housing [ More info ] |
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18-3001 - Impeller 434424 - See Notes On Detail Page [ More info ] |
#6 — 306196 — PIN,IMPELLER (1 required per assembly) | ||
#7 — 310345 — DRIVESHAFT,STANDARD (1 required per assembly) | ||
0310345 - Drive Shaft [ More info ] Unavailable |
#7 — 205350 — DRIVESHAFT 5'' LONGER PARTS (1 required per assembly) | ||
#8 — 386179 — PROPELLER SHAFT ASSY. (1 required per assembly) | ||
#9 — 301917 — SEAL,BEARING HOUSING (1 required per assembly) | ||
#10 — 382787 — GEARCASE & EXH.COV.ASSY. (1 required per assembly) | ||
0382787 - Gearcase Housing [ More info ] Unavailable |
#11 — 314167 — OIL RETAINER (1 required per assembly) | ||
#12 — 203190 — RIVET,EXHAUST COVER (1 required per assembly) | ||
#13 — 303068 — WASHER,COVER RIVET (1 required per assembly) | ||
#14 — 203342 — SCREW,EXHAUST COVER (1 required per assembly) | ||
#15 — 204316 — COVER,EXHAUST (1 required per assembly) | ||
#16 — 203140 — BEARING,THRUST (1 required per assembly) | ||
#17 — 307551 — PLUG & WASHER (2 required per assembly) | ||
0307551 - Drain Screw, Allen Type, Gasket Included [ More info ] |
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18-4255 - Drain Screw, 307551 Allen Type, Gasket Included [ More info ] |
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18-2387 - Drain Plug Slotted or Allen - No Gasket [ More info ] |
#18 — 203648 — PINION,DRIVESHAFT (1 required per assembly) | ||
#19 — 384714 — BEARING HOUSING ASSY. (1 required per assembly) | ||
0384714 - Bearing Carrier [ More info ] Unavailable |
#20 — 314167 — OIL RETAINER (1 required per assembly) | ||
#21 — 302974 — SCREW,BEARING HOUSING (2 required per assembly) | ||
#22 — 317372 — GROMMET,WATER TUBE,LOWER (1 required per assembly) | ||
#23 — 313693 — COTTER PIN,PROPELLER NUT (1 required per assembly) | ||
#24 — 319004 — PROPELLER,6-1/4"X6" (1 required per assembly) | ||
0319004 - Plastic Propeller, 4 Weedless, 6 1/4 X 6 [ More info ] |
#25 — 316559 — HUB,PROPELLER CLUTCH (1 required per assembly) | ||
#26 — 315471 — RING,PROPELLER CLUTCH (1 required per assembly) | ||
#28 — 202893 — "O"RING,DRIVESHAFT 5'' LONGER PARTS (1 required per assembly) | ||
#29 — 309646 — SCREW,EXTENSION 5'' LONGER PARTS (4 required per assembly) | ||
#30 — 310744 — PILOT RING,EXTENSION 5'' LONGER PARTS (1 required per assembly) | ||
#32 — 315604 — WATER TUBE 5'' LONGER PARTS (1 required per assembly) | ||
0315604 - Water Tube 5 Inch Longer Parts [ More info ] Unavailable |
#33 — 379763 — IMPELLER REPAIR KIT 5'' LONGER PARTS (1 required per assembly) | ||
#34 — 379770 — WATER PUMP REPAIR KIT 5'' LONGER PARTS (1 required per assembly) | ||
#35 — 382076 — CHROME PUMP KIT 5'' LONGER PARTS (1 required per assembly) | ||
0382076 - Chrome Pump Kit [ More info ] Unavailable |
#132691 — 132691 — COMPRESSION UNIT 5'' LONGER PARTS. NOT SHOWN (1 required per assembly) | ||
#306344 — 306344 — BALL SLEEVE 5'' LONGER PARTS. NOT SHOWN (1 required per assembly) | ||
#311598 — 311598 — WASHER,PLUG. NOT SHOWN (1 required per assembly) | ||
#315338 — 315338 — GASKET,EXHAUST HOUSING 5'' LONGER PARTS. NOT SHOWN (1 required per assembly) | ||
#386493 — 386493 — GEARCASE ASSEMBLY. NOT SHOWN (1 required per assembly) | ||
0386493 - Gearcase Assembly [ More info ] Unavailable |