Gearcase Parts for 1975 Evinrude 6 hp 6504R Outboard Motor

Revise Search: All Years > 1975 > 6 hp > Evinrude 6504R > Gearcase

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 — 303355 — GASKET, DRIVE SHAFT TO C'CASE (1 required per assembly)

0303355 - Drive Shaft to Crankcase Gasket [ More info ]

$3.66
10+ In Stock.

#2 — 303356 — PLATE, DRIVE SHAFT TO C'CASE (1 required per assembly)

0303356 - Drive Shaft to Crankcase Plate [ More info ]

$65.99
10+ In Stock.

#3 — 303347 — "O" RING, LOWER BEARING (1 required per assembly)

0303347 - O-Ring [ More info ]

$4.56
10+ In Stock.

18-7180 - O-Ring, 925055 [ More info ]

$2.99 $0.24
Available to Order: Usually ships within 10 days.

#4 — 303391 — SEAL, LOWER BEARING (1 required per assembly)

0303391 - Lower Bearing Seal [ More info ]

$34.16
10+ In Stock.

#5 — 303357 — SPRING, LOWER BRG. SEAL (1 required per assembly)

0303357 - Lower Bearing Seal Spring [ More info ]

$19.23 $14.06
10+ In Stock.

#6 — 303327 — WASHER, SEAL SPRING (1 required per assembly)

0303327 - Washer [ More info ]

$23.96 $17.52
2 In Stock.

#7 — 381026 — DRIVE SHAFT ASSY., STD. (1 required per assembly)

0381026 - Shaft & Pin [ More info ]

$194.38 $118.18
7 In Stock.

#7 — 381027 — DRIVE SHAFT ASSY., LONG 5" LONGER PARTS (1 required per assembly)

0381027 - Shaft & Pin [ More info ]
In Stock

#8 — 303261 — PIN, DRIVE, DRIVE SHAFT 5" LONGER PARTS (1 required per assembly)

0303261 - Roll Pin [ More info ]

$7.95
10+ In Stock.

#9 — 303395 — SCREW, IMPELLER HOUSING (4 required per assembly)

0303395 - Screw [ More info ]

$4.26
10+ In Stock.

#10 — 312107 — RETAINER, D'SHAFT TO PINION (1 required per assembly)

0312107 - Retainer [ More info ]

$16.49
10+ In Stock.

#11 — 305720 — KEY, PINION (1 required per assembly)

0305720 - Shaft Key [ More info ]

$13.25 $8.72
10 In Stock.

#12 — 303339 — GASKET, BEARING HOUSING (1 required per assembly)

0303339 - Bearing Housing Gasket [ More info ]

$5.00
10+ In Stock.

#13 — 382796 — HOUSING & RETAINER ASSY (1 required per assembly)

0382796 - Drive Shaft Housing and Seal Assembly [ More info ]

$171.59
10+ In Stock.

#14 — 314167 — OIL RETAINER (1 required per assembly)

0314167 - OIL SEAL [ More info ]

$16.99
10+ In Stock.

18-2024 - Seal, 314167 [ More info ]

$14.99 $14.73
2 In Stock.

#15 — 305303 — PLATE, IMPELLER HOUSING (1 required per assembly)

0305303 - Impeller Housing Plate [ More info ]

$14.49 $8.14
10+ In Stock.

#16 — 277181 — IMPELLER & PIN ASSY. (1 required per assembly)
		0277181 - Impeller Assembly [ More info ] Unavailable
		0434424 - Impeller - See Notes - for metal pump housing [ More info ] $25.49 $20.87 10+ In Stock.
		18-3001 - Impeller 434424 - See Notes On Detail Page [ More info ] $19.79 $18.35 10+ In Stock.

#17 — 306196 — PIN, IMPELLER (1 required per assembly)

0306196 - Impeller Drive Pin [ More info ]

$9.65 $7.41
10+ In Stock.

#18 — 303442 — HOUSING, IMPELLER (1 required per assembly)

0303442 - Impeller Housing, Metal [ More info ]

$118.28 $86.49
6 In Stock.

#19 — 382574 — G'CASE, BUSH. & PIN ASSY. (1 required per assembly)
		0382574 [ More info ] Unavailable Replaced by 0387318
		0387318 [ More info ] Unavailable Replaced by 0389405
		0389405 [ More info ] Unavailable Replaced by 0390040
		0390040 - Gearcase Housing & Bushing and Pin Assy. [ More info ] Unavailable

#20 — 303332 — BUSHING, SHIFT ROD (1 required per assembly)

0303332 - Shift Rod Bushing [ More info ]

$14.27
8 In Stock.

#21 — 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.

#22 — 307551 — PLUG ASSY., GEARCASE (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.

#22 — 311598 — WASHER, PLUG (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.

#23 — 302757 — SCREEN, WATER INTAKE (1 required per assembly)

0302757 - Water Intake Screen [ More info ]

$21.99
6 In Stock.

#24 — 300314 — PLUG, WATER INTAKE (1 required per assembly)

0300314 - Water Intake Screen Plug [ More info ]

$18.35 $13.42
10+ In Stock.

#25 — 300611 — DOWEL, FRONT 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.

#26 — 0 — SEAL, GEARCASE. CUT FROM 309044-50FT. ROLL; LENGTH: 11-7/16" (1 required per assembly)

#27 — 304071 — SCREW, GEARCASE (6 required per assembly)

0304071 - Screw, Gearcase (Sold Individually) [ More info ]

$14.27
10+ In Stock.

#28 — 308376 — PIN, PIVOT (1 required per assembly)

0308376 - Pivot Pin & Washer [ More info ]

$16.31
10+ In Stock.

#29 — 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.

#30 — 303679 — SCREW, BY-PASS COVER (2 required per assembly)

0303679 - Screw, By-pass Cover [ More info ]

$6.59
10+ In Stock.

#31 — 304579 — COVER, WATER BY-PASS (1 required per assembly)

0304579 - Water By-Pass Cover [ More info ]

$22.99
2 In Stock.

#32 — 303700 — SPRING, DETENT BACKUP (1 required per assembly)

0303700 - Detent Backup Spring [ More info ]

$13.19
10+ In Stock.

#33 — 303466 — DETENT, SPRING (1 required per assembly)

0303466 - Spring [ More info ]

$35.19
5 In Stock.

#34 — 306478 — SCREW, DETENT TO GEARCASE (1 required per assembly)

0306478 - Screw, Detent [ More info ]

$4.99 $4.16
10+ In Stock.

#35 — 309582 — SHIFT ROD, LOWER (1 required per assembly)

0309582 - Shift Rod [ More info ]
Unavailable

#36 — 312108 — PINION, DRIVE SHAFT (1 required per assembly)

0312108 - Pinion, Drive Shaft [ More info ]

$84.99 $51.68
10+ In Stock.

#37 — 303380 — BEARING, FRONT (1 required per assembly)

0303380 - Front Bearing [ More info ]

$79.99
6 In Stock.

#38 — 303361 — WASHER, THRUST (2 required per assembly)

0303361 - Thrust Washer [ More info ]

$32.99
10+ In Stock.

#39 — 377152 — GEAR & BUSHING, FRONT (1 required per assembly)

0377152 - Forward Gear and Bushing [ More info ]

$159.99
10+ In Stock.

#40 — 303340 — LEVER, SHIFTER (1 required per assembly)

0303340 - Shifter Lever [ More info ]

$74.99
7 In Stock.

#41 — 302504 — PIN, SHIFT ROD (1 required per assembly)

0302504 - Pin [ More info ]

$9.65 $6.35
10+ In Stock.

#42 — 306376 — PIN, COTTER (1 required per assembly)

0306376 - Cotter Pin [ More info ]

$1.32
10+ In Stock.

#43 — 303381 — CRADLE, SHIFTER (1 required per assembly)

0303381 - Shifter Cradle [ More info ]

$116.78 $76.86
10+ In Stock.

#44 — 377458 — SHIFTER, CLUTCH DOG (1 required per assembly)
		0377458 - Shifter, Clutch Dog [ More info ] Unavailable
		0393879 - Clutch Dog Shifter [ More info ] Unavailable
		0329795 - Shifter [ More info ] $139.99 10+ In Stock.

#45 — 305261 — SHAFT, PROPELLER (1 required per assembly)

0305261 - Propeller Shaft [ More info ]

$186.99 $113.70
10+ In Stock.

#46 — 305216 — GEAR, REVERSE (1 required per assembly)

0305216 - Reverse Gear [ More info ]

$99.99 $60.80
8 In Stock.

#47 — 303998 — BUSHING, REVERSE GEAR (1 required per assembly)

0303998 - Reverse Gear Bushing [ More info ]

$27.49
10+ In Stock.

#48 — 382291 — HEAD AND BEARING (1 required per assembly)

0382291 - Gear Case Head & Bearing, NLA [ More info ]

$203.49
7 In Stock.

#49 — 313282 — OIL RETAINER (1 required per assembly)

0313282 - Oil Retainer - 1.062 Inch OD [ More info ]

$20.99 $17.20
10+ In Stock.

18-2023 - Seal, 313282 - 1.062 Inch OD [ More info ]

$18.99 $16.99
1 In Stock.

#50 — 303360 — "O" RING, GEARCASE HEAD (1 required per assembly)

0303360 - O- Ring, Gearcase Head [ More info ]

$3.44
10+ In Stock.

18-7117 - O-Ring 303360, 25-35027 [ More info ]

$1.19
6 In Stock.

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

0317728 - Magnet, Gearcase [ More info ]
Unavailable

#52 — 305296 — COTTER PIN, PROPELLER (1 required per assembly)

0305296 - Cotter Pin [ More info ]

$1.22
10+ In Stock.

#53 — 305394 — NUT, PROPELLER (1 required per assembly)

0305394 - Prop Nut [ More info ]

$23.96
10+ In Stock.

#54 — 307949 — PIN, DRIVE PROPELLER (1 required per assembly)

0307949 - Drive Pin - Sold individually [ More info ]

$4.18
10+ In Stock.

#55 — 307151 — SCREW, GEARCASE TO HOUSING (4 required per assembly)

0307151 - Screw - Sold individually [ More info ]

$19.79
10+ In Stock.

#56 — 304317 — TUBE, WATER (STANDARD) (1 required per assembly)

0304317 - Water Tube, Standard [ More info ]

$54.99 $45.96
5 In Stock.

#56 — 304318 — TUBE, WATER, LONG 5" LONGER PARTS (1 required per assembly)

0304318 - Water Tube, Long, NLA [ More info ]
Unavailable

#57 — 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.

#58 — 303794 — CONNECTOR, ROD, STANDARD (1 required per assembly)

0303794 - Shift Rod Connector [ More info ]

$26.00
10+ In Stock.

#58 — 304081 — CONNECTOR, ROD, LONG 5" LONGER PARTS (1 required per assembly)

0304081 - Shift Rod Connector [ More info ]

$99.99 $83.58
10+ In Stock.

#59 — 301551 — WASHER, CONNECTOR SCREW 5" LONGER PARTS (2 required per assembly)

0301551 - LockWasher [ More info ]

$7.95 $5.27
10+ In Stock.

#60 — 304024 — SCREW, CONNECTOR 5" LONGER PARTS (2 required per assembly)

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

$11.72
10+ In Stock.

#61 — 386955 — PROP., 8 X 7, 2 BLADE (STD.) (1 required per assembly)

0386955 - Propeller, 8 X 7, 2 Blade [ More info ]
Unavailable

0763745 - Prop, 8 X 7.25, 2 Blade [ More info ]

$211.49 $161.79
9 In Stock.

#61 — 386587 — PROP., 8-1/4 X 5, 2 BLADE (1 required per assembly)

0386587 - Composite Prop [ More info ]
Unavailable

#62 — 303672 — EXTENSION, GEARCASE 5" LONGER PARTS (1 required per assembly)

0303672 - Extension, Gearcase (5 Inch Longer Parts) [ More info ]
In Stock

0324828 - Extension, Gearcase (5 Inch Longer Parts) [ More info ]

$100.00
5 In Stock.

#63 — 307151 — SCREW, EXT'N. TO HOUSING 5" LONGER PARTS (4 required per assembly)

0307151 - Screw - Sold individually [ More info ]

$19.79
10+ In Stock.

#64 — 379764 — IMPELLER REPAIR KIT 5" LONGER PARTS (1 required per assembly)

0379764 - Impeller Repair Kit, for Metal Housing Only [ More info ]

$21.99 $21.59
10+ In Stock.

#65 — 382797 — WATER PUMP REPAIR KIT 5" LONGER PARTS (1 required per assembly)
		0382797 - 391391 Water Pump Kit [ More info ] Unavailable
		0391391 - Water Pump Kit [ More info ] Unavailable
		0763758 - Water Pump Kit - See Note On Detail Page [ More info ] $72.49 $65.67 10+ In Stock.