Upper Gearcase Group Parts for 1978 OMC Stern Drive 240hp 990250J Stern Drive
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 — 982226 — GEAR HOUSING AND BUSHING ASSY (1 required per assembly) | ||
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0982226 - Upper Housing [ More info ] Unavailable |
#2 — 307551 — PLUG, OIL (1 required per assembly) | ||
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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 ] |
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0307551 - Drain Screw, Allen Type, Gasket Included [ More info ] |
#3 — 311598 — WASHER, PLUG (1 required per assembly) | ||
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#4 — 981870 — CABLE ASSY GROUND (1 required per assembly) | ||
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#5 — 308883 — BUSHING, RETAINER (1 required per assembly) | ||
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#6 — 909048 — SEAL RING, SHAFT (1 required per assembly) | ||
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0909048 - Quad Ring [ More info ] Unavailable |
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#8 — 313236 — RETAINING RING, SHAFT (1 required per assembly) | ||
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#9 — 908890 — SPACER SHAFT. MECHANICAL (PUSH-PULL) STEERING ONLY (1 required per assembly) | ||
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#10 — 909139 — QUAD RING, RETAINER (1 required per assembly) | ||
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#11 — 908871 — RETAINER, STEERING WORM (1 required per assembly) | ||
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#12 — 305282 — SCREW, BRACKET (2 required per assembly) | ||
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#13 — 313238 — RETAINING RING (1 required per assembly) | ||
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#14 — 908870 — BRACKET, STEERING WORM RET. (1 required per assembly) | ||
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#15 — 307708 — LK WASH, STEERING WORM RET BRKT (2 required per assembly) | ||
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#16 — 980657 — SCREW PLUG, COVER (1 required per assembly) | ||
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0980657 - Indicator Plug, Exhaust Housing Cover [ More info ] |
#17 — 909140 — O-RING, RETAINER BACK-UP (1 required per assembly) | ||
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#18 — 307001 — LOCKWASHER, SCREW (1 required per assembly) | ||
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#19 — 323099 — SCREW, BUMPER (2 required per assembly) | ||
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#21 — 313175 — O-RING, COVER (1 required per assembly) | ||
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#22 — 308883 — BUSHING (2 required per assembly) | ||
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#23 — 308843 — SCREW, TILT QUADRANT (3 required per assembly) | ||
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#25 — 909636 — SCREW, WATER COVER (10 required per assembly) | ||
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0909636 [ More info ] Unavailable Replaced by 3852473 |
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3852473 - Screw, Volvo Penta - Volvo Penta (3852473) [ More info ] |
#26 — 308768 — EXHAUST SEAL (1 required per assembly) | ||
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#27 — 308590 — SPRING, SEAL (1 required per assembly) | ||
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#29 — 909754 — IMPELLER HOUSING (1 required per assembly) | ||
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0909754 [ More info ] Unavailable Replaced by 0910241 |
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0910241 - Impeller Housing And Plug [ More info ] Unavailable |
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#30 — 308928 — KEY, IMPELLER TO SHAFT. ALSO INCLUDED IN KIT 981802 (1 required per assembly) | ||
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#31 — 379475 — IMPELLER ASSEMBLY. ALSO INCLUDED IN KIT 981802 (1 required per assembly) | ||
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0379475 - Impeller [ More info ] Unavailable |
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#32 — 313176 — PLATE, IMPELLER. ALSO INCLUDED IN KIT 981802 (1 required per assembly) | ||
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#33 — 313155 — SWIVEL HOUSING (1 required per assembly) | ||
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0910239 - Swivel Housing [ More info ] Unavailable |
#34 — 310648 — THRUST WASHER (1 required per assembly) | ||
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#35 — 909753 — DRIVESHAFT (1 required per assembly) | ||
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#36 — 981056 — EXHAUST HOUSING (1 required per assembly) | ||
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0981056 [ More info ] Unavailable Replaced by 0982828 |
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0982828 [ More info ] Unavailable Replaced by 0983521 |
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0983521 - Exhaust Housing [ More info ] Unavailable |
#908510 — 908510 — SPIROL PIN. NOT SHOWN (1 required per assembly) | ||
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#37 — 315189 — GASKET, SCREW PLUG (1 required per assembly) | ||
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18-0939-9 - Gasket 315189 2-Pack [ More info ]
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#38 — 308596 — SEAL, EXHAUST HOUSING (1 required per assembly) | ||
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#39 — 313169 — LOCKWASHER (4 required per assembly) | ||
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#40 — 909163 — RETAINER, DRIVESHAFT (1 required per assembly) | ||
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#41 — 313540 — SCREW, HOUSING (4 required per assembly) | ||
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#42 — 981909 — BEARING HOUSING ASSY. 225, 240 HP MODELS ONLY (1 required per assembly) | ||
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0981909 [ More info ] Unavailable Replaced by 0982478 |
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0982478 - Bearing Housing Assembly, NLA [ More info ] Unavailable |
#42 — 981685 — BEARING HOUSING ASSY. 185 HP MODELS ONLY (1 required per assembly) | ||
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0982260 - Bearing Housing [ More info ] Unavailable |
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#43 — 907866 — LOCKNUT, PINION (1 required per assembly) | ||
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#44 — 981924 — PINION GEAR & BEARING ASSY. 185 HP MODELS ONLY (1 required per assembly) | ||
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#44 — 981922 — PINION GEAR & BEARING ASSY. 225, 240 HP MODELS ONLY (1 required per assembly) | ||
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0981922 [ More info ] Unavailable Replaced by 0982261 |
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0982261 - Pinion Gear and Shaft Assembly [ More info ] Unavailable |
#45 — 379585 — BEARING ASSY, PINION (1 required per assembly) | ||
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#46 — 313192 — SHIM, BEARING TO PINION, .002" (0 required per assembly) | ||
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#46 — 313193 — SHIM, BEARING TO PINION, .003" (0 required per assembly) | ||
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#46 — 313194 — SHIM, BEARING TO PINION, .004" (0 required per assembly) | ||
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#46 — 313915 — SHIM, BEARING TO PINION, .005" (0 required per assembly) | ||
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[ More info ] Unavailable |
#46 — 313196 — SHIM, BEARING TO PINION, .006" (0 required per assembly) | ||
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#46 — 313197 — SHIM, BEARING TO PINION, .007" (0 required per assembly) | ||
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#46 — 313199 — SHIM, BEARING TO PINION, .009" (0 required per assembly) | ||
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#46 — 313200 — SHIM, BEARING TO PINION, .010" (0 required per assembly) | ||
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#47 — 909121 — DRIVESHAFT, UPPER (1 required per assembly) | ||
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#48 — 313185 — SHIM, BEARING HOUSING, .005" (0 required per assembly) | ||
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#48 — 313187 — SHIM, BEARING HOUSING, .007" (0 required per assembly) | ||
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#48 — 313188 — SHIM, BEARING HOUSING, .008" (0 required per assembly) | ||
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#48 — 313190 — SHIM, BEARING HOUSING, .010" (0 required per assembly) | ||
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#49 — 382165 — ROLLER BEARING, LOWER (1 required per assembly) | ||
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#50 — 981587 — SEAL, BEARING RETAINER (2 required per assembly) | ||
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0981587 - Seal, Bearing Retainer [ More info ] Unavailable |
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#51 — 907734 — BEARING HOUSING (1 required per assembly) | ||
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#52 — 909123 — CENTERING CONE (1 required per assembly) | ||
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#53 — 553126 — O-RING, HOUSING (1 required per assembly) | ||
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#54 — 981687 — BALL GEARY & SHAFT ASSY. 185 HP MODELS ONLY (1 required per assembly) | ||
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#54 — 981910 — BALL GEARY & SHAFT ASSY. 225, 240 HP MODELS ONLY (1 required per assembly) | ||
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0981910 [ More info ] Unavailable Replaced by 0982478 |
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0982478 - Bearing Housing Assembly, NLA [ More info ] Unavailable |
#55 — 908069 — BALL GEAR, SHAFT (1 required per assembly) | ||
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#56 — 908064 — NUT (1 required per assembly) | ||
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18-3725-9 - Nut, 908064, 5PK [ More info ]
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#57 — 981196 — OIL RETAINER (2 required per assembly) | ||
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#58 — 313184 — BEARING RETAINER (1 required per assembly) | ||
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#59 — 313202 — SHIM, RETAINER TO HSG, .002" (0 required per assembly) | ||
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#59 — 313203 — SHIM, RETAINER TO HSG, .003" (0 required per assembly) | ||
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#59 — 313204 — SHIM, RETAINER TO HSG, .004" (0 required per assembly) | ||
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#59 — 313205 — SHIM, RETAINER TO HSG, .005" (0 required per assembly) | ||
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#59 — 313206 — SHIM, RETAINER TO HSG, .010" (0 required per assembly) | ||
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#60 — 981923 — SHAFT & BEARING. 185 HP MODELS ONLY (1 required per assembly) | ||
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0981923 [ More info ] Unavailable Replaced by 0982259 |
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#60 — 981921 — SHAFT & BEARING. 225, 240 HP MODELS ONLY (1 required per assembly) | ||
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0981921 [ More info ] Unavailable Replaced by 0982261 |
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0982261 - Pinion Gear and Shaft Assembly [ More info ] Unavailable |
#61 — 382212 — BEARING ASSY, SHAFT (1 required per assembly) | ||
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#62 — 375761 — ROLLER BEARING ASSY (1 required per assembly) | ||
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#63 — 313162 — SHIM BEARING TO HOUSING, .002" (0 required per assembly) | ||
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#63 — 313163 — SHIM BEARING TO HOUSING, .003" (0 required per assembly) | ||
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#63 — 313164 — SHIM BEARING TO HOUSING, .004" (0 required per assembly) | ||
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#63 — 313165 — SHIM BEARING TO HOUSING, .005" (0 required per assembly) | ||
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#63 — 313166 — SHIM BEARING TO HOUSING, .006" (0 required per assembly) | ||
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#63 — 313167 — SHIM BEARING TO HOUSING, .007" (0 required per assembly) | ||
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#63 — 313168 — SHIM BEARING TO HOUSING, .008" (0 required per assembly) | ||
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#64 — 908062 — PLUG, BALL GEAR (1 required per assembly) | ||
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18-4251-9 - Plug, 908062, 5PK [ More info ]
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#65 — 980370 — BUMPER ASSY (1 required per assembly) | ||
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#67 — 313223 — TILT QUADRANT (1 required per assembly) | ||
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#69 — 308699 — WATER COVER, PORT (1 required per assembly) | ||
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#70 — 308592 — GASKET, WATER COVER (2 required per assembly) | ||
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#71 — 319150 — WASHER, EXTENSION HSG COVER (4 required per assembly) | ||
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#72 — 981099 — COVER, EXHAUST HOUSING (1 required per assembly) | ||
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#73 — 908834 — SPRING, GROUND. 185 HP MODELS ONLY (1 required per assembly) | ||
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#74 — 909824 — TRANSFER. 185 HP MODELS ONLY (1 required per assembly) | ||
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0909824 [ More info ] Unavailable Replaced by 0910093 |
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0910093 - TRANSFER [ More info ] Unavailable |
#74 — 909825 — TRANSFER. 225, 240 HP MODELS ONLY (1 required per assembly) | ||
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0909825 [ More info ] Unavailable Replaced by 0910092 |
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0911104 - Transfer [ More info ] Unavailable |
#75 — 308896 — SPRING (1 required per assembly) | ||
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#76 — 308621 — O-RNG, RETAINER TO HOUSING (1 required per assembly) | ||
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#77 — 313228 — COVER, GEAR HOUSING (1 required per assembly) | ||
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0313228 - Cover Gr Housing [ More info ] Unavailable |
#78 — 310327 — O-RING, STEERING WORM WHEEL (1 required per assembly) | ||
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18-7173-9 - O-Ring (PK5) 310327, 25-30224 [ More info ]
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18-7173-9 - O-Ring (PK5) 310327, 25-30224 [ More info ]
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#79 — 302290 — WASHER, RETAINER SCREW (4 required per assembly) | ||
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#80 — 907774 — SEAL, DRIVESHAFT. ALSO INCLUDED IN KIT 981798 ALSO INCLUDED IN KIT 981802 (1 required per assembly) | ||
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#81 — 313183 — WORM WHEEL. TRU-COURSE STEERING ONLY (1 required per assembly) | ||
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#82 — 381791 — THRUST BEARING ASSY. TRU-COURSE STEERING ONLY (2 required per assembly) | ||
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#83 — 312815 — THRUST WASHER, WORM GEAR. TRU-COURSE STEERING ONLY (4 required per assembly) | ||
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0312815 [ More info ] Unavailable Replaced by 0608030 |
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0608030 - Washer [ More info ] Unavailable |
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#84 — 313234 — WORM GEAR, STEERING. TRU-COURSE STEERING ONLY (1 required per assembly) | ||
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#85 — 313235 — GEAR. TRU-COURSE STEERING ONLY (1 required per assembly) | ||
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0313235 - Gear. Rope And Tru-course Steering Only [ More info ] |
#86 — 314491 — O-RING, DRIVESHAFT. ALSO INCLUDED IN KIT 981798 ALSO INCLUDED IN KIT 981802 (1 required per assembly) | ||
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#87 — 909638 — SCREW, COVER TO HOUSING (6 required per assembly) | ||
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#88 — 909550 — GUIDE, CABLE (1 required per assembly) | ||
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#89 — 981802 — WATER PUMP REPAIR KIT (1 required per assembly) | ||
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0981802 [ More info ] Unavailable Replaced by 0983218 |
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#90 — 981683 — HEAVY DUTY WATER PUMP & IMPELLER HSG KIT (1 required per assembly) | ||
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0981683 [ More info ] Unavailable Replaced by 0983219 |
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#91 — 981796 — UPPER GEARCASE SHIM KIT (1 required per assembly) | ||
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#92 — 981798 — UPPER GEARCASE GASKET & SEAL KIT (1 required per assembly) | ||
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0981798 [ More info ] Unavailable Replaced by 0982949 |
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