Gearcase - 25 Parts for 1979 Johnson 25 hp 25RL79R Outboard Motor

Revise Search: All Years > 1979 > 25 hp > Johnson 25RL79R > Gearcase - 25

NEED PARTS OR KITS?
View diagram and parts list below. Tap to zoom. Scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

LOOKING FOR A PROP?
• If no prop is listed, try our prop finder.

COMPLETE GEARCASE?
• A complete lower unit may be available for less than $950. Find one HERE

Engine section

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

#1 — 306394 — COTTER PIN,POPELLER NUT (1 required per assembly)

0306394 - Cotter Pin [ More info ]

$1.10
10+ In Stock.

3852056 - Split Pin, Volvo [ More info ]

$1.00
Available to Order: Usually ships within 10 days.

#2 — 388881 — NUT,PROPELLER (1 required per assembly)

0388881 - Propeller Nut [ More info ]

$18.00
4 In Stock.

0390294 - Propeller Nut [ More info ]

$35.99 $24.30
10+ In Stock.

#3 — 389067 — PROPELLER,9-1/4 X 7 (1 required per assembly)

0389067 - Aluminum Prop 25HP 7P [ More info ]
Unavailable

#3 — 389068 — PROPELLER,9 X 9 (1 required per assembly)

0389068 - Propeller,9 x 9 [ More info ]

$100.00
1 In Stock.

0763585 - Prop, Aluminum 9 X 9, 3 Blade [ More info ]

$234.73
In Stock

#3 — 389069 — PROPELLER,9 X 10 (1 required per assembly)

0389069 - Propeller, 9 x 10 [ More info ]

$80.00
2 In Stock.

0763589 - Propeller, Aluminum 9X10 [ More info ]

$209.51
1 In Stock.

#3 — 388883 — PROPELLER,9-1/4 X 11 (1 required per assembly)

0388883 - Propeller 9-1/4x11 [ More info ]

$80.00
1 In Stock.

0763584 - Prop, Aluminum 9.25X11 [ More info ]

$196.62 $189.87
3 In Stock.

2111-093-11S - 9.25x11 13-Spline, Non-Thru-Hub-Exhaust [ More info ]

$80.19 $75.78
4 In Stock.

#3 — 389321 — PROPELLER,9-1/4 X 12 SST (1 required per assembly)

0389321 - SST 25HP 12 78 [ More info ]
Unavailable

#3 — 389393 — PROPELLER,9-1/4 X 9 SST (1 required per assembly)

0389393 - SST 25HP 9 78 [ More info ]
Unavailable

#4 — 389281 — PROP BUSHING ASSY (1 required per assembly)

0389281 - Propeller Bushing [ More info ]
Unavailable

#5 — 308743 — SCREW,GEARCASE TO HOUSING (4 required per assembly)

0308743 - Screw [ More info ]

$7.95
10+ In Stock.

#6 — 323636 — SCREW,CONNECTOR (2 required per assembly)

0323636 [ More info ]
Unavailable
Replaced by 0304024

0304024 - Screw, Connector (5 Inches Longer) [ More info ]

$11.72
10+ In Stock.

#7 — 301551 — LOCKWASHER (2 required per assembly)

0301551 - LockWasher [ More info ]

$7.95 $5.27
10+ In Stock.

#8 — 303794 — CONNECTOR,SHIFT ROD (1 required per assembly)

0303794 - Shift Rod Connector [ More info ]

$26.00
10+ In Stock.

#8 — 304081 — CONNECTOR,SHIFT ROD (1 required per assembly)

0304081 - Shift Rod Connector [ More info ]

$99.99 $83.58
10+ In Stock.

#9 — 322077 — WATER TUBE,STANDARD (1 required per assembly)

0322077 - Water Tube, Standard [ More info ]
Unavailable

#9 — 322078 — WATER TUBE,LONG (1 required per assembly)

0322078 - Water Tube, Long [ More info ]
Unavailable

#10 — 302497 — GROMMET,WATER TUBE (1 required per assembly)

0302497 - Water Tube Grommet [ More info ]

$5.00
10+ In Stock.

18-3329 - Grommet, 302497 [ More info ]

$4.39 $3.94
10+ In Stock.

#11 — 318452 — WASHER,SCREW,IMPELLER HOUSING (4 required per assembly)

0318452 - Washer [ More info ]
Unavailable

0328702 - Washer [ More info ]

$4.44 $1.74
10+ In Stock.

#12 — 324960 — SCREW,IMPELLER HOUSING (4 required per assembly)

0324960 - Screw, Impeller Housing [ More info ]

$2.00 $1.24
10+ In Stock.

#13 — 389644 — HOUSING,IMPELLER (1 required per assembly)
		0389644 - Impeller Housing [ More info ] Unavailable
		0330560 - Impeller Housing [ More info ] $17.99 $8.43 10+ In Stock.
		18-3363 - Housing, 330560 [ More info ] $16.99 $15.21 2 In Stock.

#14 — 321786 — SEAL,IMPELLER HOUSING (1 required per assembly)

0321786 - Seal [ More info ]

$13.99
Available to Order: Usually ships within 10 days.

18-2030 - Seal, 321786 [ More info ]

$10.99 $9.86
3 In Stock.

#15 — 324778 — DRIVERSHAFT,STANDARD (1 required per assembly)
		0324778 - 329237 Drive Shaft [ More info ] Unavailable
		0329237 - Drive Shaft, 15 [ More info ] Unavailable
		0341650 - Drive Shaft, 15 [ More info ] Unavailable

#15 — 324779 — DRIVESHAFT,LONG (1 required per assembly)
		0324779 - 329257, ALL USED [ More info ] Unavailable
		0329257 - 341649, ALL USED [ More info ] Unavailable
		0341649 - Drive Shaft, 20 [ More info ] Unavailable

#16 — 300611 — PIN,IMPELLER (1 required per assembly)

0300611 - Dowel [ More info ]

$2.23
10+ In Stock.

18-3326 - Pin, 300611 [ More info ]

$3.39 $3.10
1 In Stock.

#17 — 324447 — PLATE,IMPELLER HOUSING (1 required per assembly)
		0324447 - Impeller Housing Plate [ More info ] Unavailable
		0329391 - Impeller Housing Plate, Stainless Steel [ More info ] $6.00 10+ In Stock.
		0765642 - Plate [ More info ] $12.49 Available to Order: Usually ships within 10 days.

#18 — 302509 — SCREW,BY-PASS COVER (2 required per assembly)

0302509 - Screw, By-pass Cover [ More info ]
Unavailable

0303587 - Cover Plate Screw [ More info ]

$4.26
10+ In Stock.

#19 — 302505 — COVER,WATER BY-PASS (1 required per assembly)

0302505 - Water By-Pass Cover [ More info ]
Unavailable

#20 — 306376 — COTTER PIN,SHIFT ROD PIN (1 required per assembly)

0306376 - Cotter Pin [ More info ]

$1.32
10+ In Stock.

#21 — 302504 — PIN,LEVER TO SHIFT ROD (1 required per assembly)

0302504 - Pin [ More info ]

$9.65 $6.35
10+ In Stock.

#22 — 375755 — LEVER,SHIFTER (1 required per assembly)

0375755 - Lever Only [ More info ]

$109.99
8 In Stock.

#23 — 325014 — CRADLE (1 required per assembly)

0325014 - Clutch Dog Cradle [ More info ]

$69.99
10+ In Stock.

#24 — 303098 — SHIFT ROD,LOWER,STD (1 required per assembly)

0303098 - Lower Shift Rod, Standard [ More info ]

$76.99
4 In Stock.

#24 — 303257 — SHIFT ROD,LOWER,LONG (1 required per assembly)

0303257 - Lower Shift Rod, Long [ More info ]

$52.00
1 In Stock.

#25 — 389045 — GEARCASE HEAD ASSY (1 required per assembly)

0389045 - Gearcase Head and Seal Assembly [ More info ]

$199.99
7 In Stock.

#26 — 321786 — SEAL,PROP SHAFT,INNER (1 required per assembly)

0321786 - Seal [ More info ]

$13.99
Available to Order: Usually ships within 10 days.

18-2030 - Seal, 321786 [ More info ]

$10.99 $9.86
3 In Stock.

#27 — 321787 — SEAL,PROP SHAFT,OUTER (1 required per assembly)

0321787 - Prop Shaft Seal [ More info ]

$19.49 $15.96
10+ In Stock.

18-2031 - Seal, 321787 [ More info ]

$14.99
2 In Stock.

#28 — 316504 — GEAR,REVERSE (1 required per assembly)

0316504 - Reverse Gear [ More info ]

$159.99 $97.28
10+ In Stock.

#29 — 303997 — BUSHING,REVERSE GEAR (1 required per assembly)

0303997 - Reverse Gear Bushing [ More info ]

$41.81 $27.51
10+ In Stock.

#30 — 301884 — WASHER,THRUST (1 required per assembly)

0301884 - Thrust Washer [ More info ]

$50.59
10+ In Stock.

#31 — 325013 — SHIFTER,CLUTCH DOG (1 required per assembly)

0325013 - Shifter, Clutch Dog, 2 Lug [ More info ]

$188.18
4 In Stock.

#32 — 323294 — SHAFT,PROPELLER (1 required per assembly)

0323294 - Propeller Shaft [ More info ]

$180.00
1 In Stock.

0344231 - Propeller Shaft [ More info ]
Unavailable

#33 — 389469 — GEAR AND BUSHING,FORWARD (1 required per assembly)

0389469 - Forward Gear and Bushing Assembly [ More info ]

$273.98 $166.58
10+ In Stock.

#34 — 389472 — BEARING,FRONT (1 required per assembly)

0389472 - Forward Gear Bearing [ More info ]

$89.99
8 In Stock.

#35 — 324457 — PINION,DRIVE SHAFT (1 required per assembly)

0324457 - Drive Shaft Pinion [ More info ]
Unavailable

#36 — 389700 — GEARCASE AND BRG ASSY (1 required per assembly)
		0389700 - Gearcase Housing & Brg. Assy [ More info ] Unavailable
		0392352 - Gearcase & Bearing [ More info ] Unavailable
		0432810 - Gearcase Housing & Bearing Assy. [ More info ] Unavailable

#37 — 304764 — GASKET,BUSHING (1 required per assembly)

0304764 - Shift Rod Bushing Gasket [ More info ]

$3.77
10+ In Stock.

18-0882-9 - Gasket 304764 2-Pack [ More info ]

$6.99
2 In Stock.

#38 — 376856 — PINION BEARING ASSY (1 required per assembly)

0376856 - Pinion Bearing [ More info ]

$17.99 $17.67
7 In Stock.

#39 — 321786 — SEAL,DRIVE SHAFT (2 required per assembly)

0321786 - Seal [ More info ]

$13.99
Available to Order: Usually ships within 10 days.

18-2030 - Seal, 321786 [ More info ]

$10.99 $9.86
3 In Stock.

#40 — 304765 — BUSHING,SHIFT ROD (1 required per assembly)

0304765 - Shift Rod Bushing [ More info ]

$20.39
10+ In Stock.

#41 — 301877 — O-RING,SHIFT ROD (1 required per assembly)

0301877 - Shift Rod O-Ring [ More info ]

$4.56
10+ In Stock.

18-7100-9 - O-Ring (PK5) 301877 [ More info ]

$10.99 $10.69
7 In Stock.

#42 — 300314 — PLUG,INTAKE SCREEN (1 required per assembly)

0300314 - Water Intake Screen Plug [ More info ]

$18.35 $13.42
10+ In Stock.

#43 — 302757 — SCREEN,WATER INTAKE (1 required per assembly)

0302757 - Water Intake Screen [ More info ]

$21.99
6 In Stock.

#44 — 307551 — PLUG AND WASHER (2 required per assembly)

0307551 - Drain Screw, Allen Type, Gasket Included [ More info ]

$7.34
10+ In Stock.

18-4255 - Drain Screw, 307551 Allen Type, Gasket Included [ More info ]

$4.89
Available to Order: Usually ships within 10 days.

18-2387 - Drain Plug Slotted or Allen - No Gasket [ More info ]

$8.69
7 In Stock.

#45 — 311598 — WASHER (1 required per assembly)

0311598 - Drain Plug Washer [ More info ]

$1.58
10+ In Stock.

18-42481-9 - Washer, 50PK [ More info ]

$73.09 $67.11
1 In Stock.

18-4248 - Washer 311598 [ More info ]

$1.78
Available to Order: Usually ships within 10 days.

#46 — 308376 — PIVOT PIN ASSY (1 required per assembly)

0308376 - Pivot Pin & Washer [ More info ]

$16.31
10+ In Stock.

#47 — 307853 — SEAL,PIN (1 required per assembly)

0307853 - Seal, O-ring [ More info ]

$3.44
10+ In Stock.

18-7120 - O-Ring 322598 [ More info ]

$0.99 $0.95
2 In Stock.

#48 — 304070 — SCREW,GEARCASE (6 required per assembly)
		0304070 - Screw, Gearcase [ More info ] Unavailable
		0317969 - . Screw, Gearcase [ More info ] Unavailable
		0330562 - Screw [ More info ] $5.40 10+ In Stock.

#49 — 300611 — DOWEL,BEARING (1 required per assembly)

0300611 - Dowel [ More info ]

$2.23
10+ In Stock.

18-3326 - Pin, 300611 [ More info ]

$3.39 $3.10
1 In Stock.

#50 — 386473 — BEARING,DRIVE SHAFT (1 required per assembly)

0386473 - Bearing [ More info ]

$19.99 $19.63
9 In Stock.

#51 — 317728 — MAGNET,GEARCASE (1 required per assembly)

0317728 - Magnet, Gearcase [ More info ]
Unavailable

#52 — 0 — SEAL,GEARCASE. CUT FROM 309044-50FT ROLL,CUTTING LENGTH 12-7/8" (1 required per assembly)

#53 — 388027 — THRUST BEARING ASSY,PINION (1 required per assembly)

0388027 - Thrust Bearing [ More info ]

$23.96
10+ In Stock.

#54 — 322688 — THRUST WASHER,PINION LOWER 5 INCH LONGER PARTS (1 required per assembly)

0322688 - Thrust Washer - Lower [ More info ]

$33.14 $24.24
10+ In Stock.

#55 — 319667 — THRUST WASHER,PINION UPPER (1 required per assembly)

0319667 - Thrust Washer [ More info ]

$59.39
10+ In Stock.

#56 — 324459 — THRUST WASHER,FOREWARD GEAR (1 required per assembly)

0324459 - Thrust Washer [ More info ]

$23.96
Available to Order: Usually ships within 10 days.

#57 — 389470 — THRUST BEARING (1 required per assembly)

0389470 - Thrust Bearing [ More info ]

$109.99
1 In Stock.

#58 — 325053 — SPRING,DETENT (1 required per assembly)

0325053 - Detent Spring [ More info ]

$12.09
10+ In Stock.

#59 — 316506 — BALL,DETENT (1 required per assembly)

0316506 - Detent Ball [ More info ]

$6.23
10+ In Stock.

#60 — 321921 — O-RING,GEARCASE HEAD (1 required per assembly)

0321921 - O-Ring [ More info ]

$3.44
10+ In Stock.

18-7411-9 - O-Ring (PK5) 25-35480 [ More info ]

$9.99 $9.50
2 In Stock.

#61 — 324446 — GASKET,IMPELLER HOUSING (1 required per assembly)
		0324446 - Impeller Housing Gasket [ More info ] Unavailable
		0329390 - Impeller Housing Gasket [ More info ] $5.67 5 In Stock.
		18-3360 - Gasket, 329390 [ More info ] $2.66 Available to Order: Usually ships within 10 days.

#62 — 323008 — CUP,IMPELLER HOUSING (1 required per assembly)

0323008 - Impeller Housing Cup [ More info ]
Unavailable

0328751 - Impeller Housing Cup [ More info ]

$14.99
6 In Stock.

0360633 - CUP [ More info ]

$19.99 $9.36
10 In Stock.

18-3358 - Cup, 328751 [ More info ]

$2.25 $1.46
Available to Order: Usually ships within 10 days.

18-3358 - Cup, 328751 [ More info ]

$2.25 $1.46
Available to Order: Usually ships within 10 days.

#63 — 324449 — GASKET,IMPELLER HOUSING PLATE (1 required per assembly)

0324449 - Impeller Housing Plate Gasket [ More info ]

$4.56
10+ In Stock.

#64 — 321926 — STUD,HOUSING TO GEARCASE (1 required per assembly)

0321926 - Stud, Housing to Gearcase [ More info ]
Unavailable

0330060 - Stud [ More info ]

$37.22 $18.86
10+ In Stock.

#64 — 321925 — STUD,HOUSING TO GEARCASE (1 required per assembly)

0321925 - Stud,Housing to Gearcase [ More info ]
Unavailable

0330558 - Stud [ More info ]
Unavailable

#65 — 552938 — NUT,GEARCASE TO HOUSING (1 required per assembly)

0552938 - Nut [ More info ]

$7.95
10+ In Stock.

#67 — 388702 — IMPELLER,WATER PUMP (1 required per assembly)

0388702 - Impeller Assembly [ More info ]
Unavailable

0763982 - Impeller [ More info ]

$35.18
10+ In Stock.

#69 — 308743 — SCREW EXTENSION (4 required per assembly)

0308743 - Screw [ More info ]

$7.95
10+ In Stock.

#70 — 322750 — EXTENSION,GEARCASE (1 required per assembly)

0322750 - Extension, Gearcase (5 Inch Longer Parts) [ More info ]

$100.00
1 In Stock.

0327563 - Extension. Gearcase (5 Inch Longer Parts) [ More info ]

$175.99 $147.12
5 In Stock.

#71 — 389612 — CHROME PUMP KIT (1 required per assembly)

0389612 - Chrome Water Pump Kit, Impeller NOT Included [ More info ]
Unavailable

0394392 - Chrome Water Pump Kit, Impeller NOT Included [ More info ]
Unavailable

#72 — 389611 — WATER PUMP REPAIR KIT (1 required per assembly)

0389611 - Water Pump Kit [ More info ]
Unavailable

0389980 - Water Pump Kit [ More info ]

$119.95
10+ In Stock.

#73 — 391019 — HEAVY DUTY GEAR AND CLUTCH DOG KIT (1 required per assembly)

0391019 - Heavy Duty Gear and Clutch Dog Kit [ More info ]

$200.00
1 In Stock.

#301967 — 301967 — O-RING,SPACER. NOT SHOWN (2 required per assembly)

0301967 - Spacer O-Ring [ More info ]

$5.67
10+ In Stock.

18-7440-1-9 - O-Ring (PK2) [ More info ]

$3.99 $3.37
Available to Order: Usually ships within 10 days.

#324455 — 324455 — SPACER,IMPELLER HOUSING. NOT SHOWN (1 required per assembly)

0324455 - Exhaust Housing Spacer [ More info ]

$30.00
2 In Stock.

#389638 — 389638 — GEARCASE ASSY,LESS DRIVE SHAFT AND PUMP. NOT SHOWN (1 required per assembly)
		0389638 [ More info ] Unavailable Replaced by 0390468
		0390468 - Gearcase Assembly, Less Drive Shaft & Pump [ More info ] Unavailable
		0391835 - Gearcase, Less drive shaft & pump. [ More info ] Unavailable
		0391840 [ More info ] Unavailable Replaced by 0432811
		0432811 - 1-432812 &1-303098 [ More info ] Unavailable