Cooling & Oiling Group 120 Hp Parts for 1978 OMC Stern Drive 120hp 990243D Stern Drive
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 — 306010 — SCREW. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (4 required per assembly) | ||
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0306010 - Screw [ More info ] Unavailable |
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3852115 - Screw, Volvo [ More info ]
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3852053 - Screw, Volvo [ More info ]
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| #2 — 310913 — GASKET, THERMOSTAT. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0310913 - Thermostat Housing Gasket [ More info ]
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0310913 - Thermostat Housing Gasket [ More info ]
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| #3 — 314809 — GASKET, UPPER TO LOWER ASSY. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0314809 - Thermostat Housing Gasket [ More info ]
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3852127 - Gasket, Volvo [ More info ]
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18-2858-9 - Gasket 314809 2-Pack [ More info ]
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0314809 - Thermostat Housing Gasket [ More info ]
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| #4 — 383313 — HOUSING, THERMOSTAT ASSY. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0383313 - Thermostat Housing [ More info ] Unavailable |
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0910303 - Thermostat Housing [ More info ] Unavailable |
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0985959 - Thermostat Housing [ More info ] Unavailable |
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0986868 - Thermostat Housing [ More info ] Unavailable |
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0987533 - Thermostat Housing [ More info ] Unavailable |
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3854254 - Thermostat Housing 3.0L [ More info ]
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OMC-29-910303 - OMC Lower Thermostat Housing [ More info ]
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| #5 — 306414 — SCREW. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (2 required per assembly) | ||
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0306414 - Hex Head Screw [ More info ]
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| #6 — 383307 — THERMOSTAT ASSEMBLY. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0383307 - Thermostat, 160 Degrees [ More info ]
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3856961 - Thermostat, Volvo [ More info ]
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18-3554 - Thermostat, 160 Degrees, 383307, 3856961 [ More info ]
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0383307 - Thermostat, 160 Degrees [ More info ]
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| #7 — 306422 — NUT, STUD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (7 required per assembly) | ||
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| #8 — 907761 — GASKET, CAP TO MANIFOLD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0907761 - Manifold Gasket [ More info ]
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18-0114-1 - GASKET [ More info ]
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18-0114-1 - GASKET [ More info ]
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0907761 - Manifold Gasket [ More info ]
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| #9 — 311076 — CLAMP. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (2 required per assembly) | ||
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0311076 - Hose Clamp [ More info ]
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3863438 - Hose Clamp [ More info ]
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| #10 — 311930 — HOSE, OUTLET. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0311930 - Outlet Hose [ More info ]
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| #11 — 171960 — WATER TEMP. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0171960 - Water Temp Sending Unit [ More info ]
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18-5898 - Sender, 97258A1, 171960 [ More info ]
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0171960 - Water Temp Sending Unit [ More info ]
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| #12 — 306405 — WASHER. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (2 required per assembly) | ||
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0306405 - Washer [ More info ]
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3852058 - Washer - Volvo Penta (3852058) [ More info ]
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| #13 — 314811 — HOUSING ASSEMBLY, UPPER. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0314811 - Housing [ More info ] Unavailable |
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0910281 - Thermostat Housing [ More info ]
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| #14 — 307899 — CLAMP. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (6 required per assembly) | ||
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0307899 - Hose Clamp [ More info ]
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| #15 — 907885 — CAP, EXHAUST MANIFOLD REAR. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0907885 - End Cap [ More info ]
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0909004 - End Cap [ More info ]
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1-907885 - Direct Replacement OMC Rear End Cap [ More info ]
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| #16 — 379957 — PETCOCK ASSY, WATER DRAIN. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (2 required per assembly) | ||
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0379957 - Petcock, Water Drain [ More info ]
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18-4218 - Drain 22-16951A1 [ More info ]
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0379957 - Petcock, Water Drain [ More info ]
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| #17 — 311075 — HOSE. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0311075 - Water Pump Hose [ More info ] Unavailable |
| #18 — 311554 — HOSE, THERMOSTAT HOUSING. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0311554 - Thermostat Housing Hose [ More info ] Unavailable |
| #19 — 311550 — CAP, MANIFOLD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0311550 [ More info ] Unavailable Replaced by 0910280 |
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0910280 - Cap, Manifold [ More info ] Unavailable |
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1-910280 - OMC Front End Cap [ More info ]
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| #20 — 311121 — GASKET, CAP TO MANIFOLD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (3 required per assembly) | ||
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0311121 - Cap to Manifold Gasket [ More info ]
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0311121 - Cap to Manifold Gasket [ More info ]
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| #21 — 380446 — HEAT EXCHANGER ASSY. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0380446 - Heat Exchanger [ More info ]
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1-380446 - Choke Stove [ More info ]
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| #22 — 311606 — BELT. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0311606 - Belt .380 X 40.00 [ More info ]
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3852106 - V-Belt, Volvo [ More info ]
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18-15400 - V-Belt, 57-69143T, 311606 [ More info ]
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0311606 - Belt .380 X 40.00 [ More info ]
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| #23 — 907764 — GASKET. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0907764 - Elbow Adapter Gasket [ More info ]
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18-0104 - Gasket, 907764 [ More info ]
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778144 - Gasket - BRP (778144) [ More info ]
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| #24 — 909368 — ELBOW, HIGH RISE TO ADAPTER. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0909368 - Elbow [ More info ] Unavailable |
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OMC-20-909368 - OMC High Rise to Adpater Elbow [ More info ]
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| #25 — 981462 — MANIFOLD AND STUD ASSEMBLY. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0981462 - MANIFOLD&STUD AY [ More info ] Unavailable |
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OMC-1-981462 - OMC Exhaust Manifold 4 Cylinder [ More info ]
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| #26 — 907799 — PIN. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0907799 - Anchor Pin Bl [ More info ] Unavailable |
| #27 — 310870 — STUD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (8 required per assembly) | ||
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| #28 — 306470 — LOCKWASAHER, SCREW. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (8 required per assembly) | ||
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0306470 - Lock Washer [ More info ]
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| #29 — 552940 — SCREW, END CAP. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (8 required per assembly) | ||
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| #30 — 552909 — PLUG, MANIFOLD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (2 required per assembly) | ||
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| #31 — 981323 — CLAMP, HOSE TO ADAPTER. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (2 required per assembly) | ||
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0981323 [ More info ] Unavailable Replaced by 0912667 |
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0912667 - Hose Clamp [ More info ] Unavailable |
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3852604 - Hose Clamp [ More info ]
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3852604 - Clamp Volvo Penta - Volvo Penta (3852604) [ More info ]
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3852604 - Hose Clamp [ More info ]
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| #32 — 909371 — HOSE, EXHAUST. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0909371 - Exhaust Hose [ More info ]
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| #33 — 310904 — NIPPLE, ELBOW. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0310904 - Nipple [ More info ]
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| #34 — 909750 — HOSE, INTER HOUSING. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0909750 - Inter Housing Hose [ More info ]
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| #35 — 552938 — NUT, MANIFOLD TO ENGINE. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (6 required per assembly) | ||
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| #36 — 120177 — LOCKWASHER, MANIFOLD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (5 required per assembly) | ||
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0120177 - Lock Washer [ More info ]
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3856736 - Washer Volvo Penta - Volvo Penta (3856736) [ More info ]
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| #37 — 311111 — LIFT, BRACKE, PORT. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0311111 - Lift Bracket [ More info ] Unavailable |
| #38 — 310968 — STUD, MANIFOLD, FRONT AND REAR. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (6 required per assembly) | ||
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3852093 - Stud Volvo Penta - Volvo Penta (3852093) [ More info ]
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| #39 — 3789161 — GASKET, HOUSING. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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[ More info ] Unavailable |
| #40 — 311068 — GASKET, MANIFOLD TO HEAD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0311068 - Exhaust Manifold Gasket [ More info ]
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18-28961 - Gasket - Exhaust Manifold OMC311068 [ More info ]
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18-28961 - Gasket - Exhaust Manifold OMC311068 [ More info ]
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3853304 - Manifold Gasket - Head [ More info ]
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| #41 — 309846 — CLAMP, VOLTAGE REG LEADS. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0330151 - J Clamp [ More info ]
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| #42 — 309322 — CLAMP, THERMOSTAT HOUSING. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0309322 - Cable Clamp [ More info ] Unavailable |
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0309041 - Cable Clamp [ More info ] Unavailable |
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0330151 - J Clamp [ More info ]
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| #43 — 307920 — SCREW, VOLTAGE REGULATOR MTG. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (2 required per assembly) | ||
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0307920 - Screw, Retainer [ More info ]
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| #44 — 303806 — SLEEVE, REGULATOR LEAD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0303806 - Tubing [ More info ]
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| #45 — 383440 — VOLTAGE REGULATOR AND CABLE ASSEMBLY. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0383440 - Voltage Regulator [ More info ] Unavailable |
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18-5711 - Regulator 383440 [ More info ]
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VR404 - Voltage Regulator [ More info ]
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| #46 — 204036 — RING TERMINAL. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0204036 - Ring Terminal [ More info ]
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| #47 — 308808 — TERMINAL. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0308808 - Terminal [ More info ]
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| #48 — 308294 — RING, TERMINAL. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0308294 - Terminal [ More info ]
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0510818 - Ring Terminal [ More info ]
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| #49 — 980536 — ELBOW AND STUD ASSY. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0980536 - Elbow & Core Plug Assembly [ More info ] Unavailable |
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OMC-20-980536 - OMC Riser, 120HP (20 #) [ More info ]
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| #50 — 315712 — CORE PLUG. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0315712 - Core Plug [ More info ]
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| #51 — 552940 — SCREW, ELBOW TO HIGH RISE. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (3 required per assembly) | ||
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| #52 — 383932 — PULLEY ASSEMBLY. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0383932 - Water Pump Pulley [ More info ]
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0384104 - Water Pump Pulley [ More info ]
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| #53 — 306470 — LOCKWASHER, STUD. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (7 required per assembly) | ||
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0306470 - Lock Washer [ More info ]
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| #54 — 306861 — SCREW. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (4 required per assembly) | ||
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| #55 — 306325 — LOCKWASHER. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (4 required per assembly) | ||
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0306325 - Lock Washer [ More info ]
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| #56 — 9424877 — BOLT, HEX (2 required per assembly) | ||
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[ More info ] Unavailable |
| #57 — 3832449 — PUMP ASSEMBLY (1 required per assembly) | ||
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[ More info ] Unavailable |
| #59 — 3788457 — COVER, OIL PUMP (1 required per assembly) | ||
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[ More info ] Unavailable |
| #60 — 180083 — BOLT, HEX, 5/16-18 X 1-1/2 RH (2 required per assembly) | ||
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0180083 - - [ More info ] Unavailable |
| #61 — 3930961 — GASKET UNIT, SIDES (2 required per assembly) | ||
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CUM3930961 - SPACER,MOUNTING [ More info ] Unavailable |
| #62 — 3930824 — PLUG, REGULATOR HOLE (1 required per assembly) | ||
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CUM3930824 - HOSE,PLAIN [ More info ] Unavailable |
| #63 — 103677 — PIN, PRESSUER REGULATOR (1 required per assembly) | ||
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0103677 - - [ More info ] Unavailable |
| #65 — 180075 — SCREW AND LOCKWASHER (12 required per assembly) | ||
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0180075 - - [ More info ] Unavailable |
| #66 — 3789970 — GASKET, PUMP COVER (1 required per assembly) | ||
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[ More info ] Unavailable |
| #67 — 180016 — SCREW, SUCTION PIPE BRACKET (1 required per assembly) | ||
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0180016 - - [ More info ] Unavailable |
| #68 — 3829433 — VALVE, PRESSURE REGULATOR (1 required per assembly) | ||
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[ More info ] Unavailable |
| #69 — 3814903 — SPRING, REGULATOR VALVE (1 required per assembly) | ||
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[ More info ] Unavailable |
| #70 — 133043 — SCREW AND LOCKWASHER, COVER TO PUMP (4 required per assembly) | ||
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0133043 - - [ More info ] Unavailable |
| #71 — 9421423 — WASHER, COVER BOLT (4 required per assembly) | ||
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[ More info ] Unavailable |
| #72 — 2778187 — SUCTION TUBE AND SCREEN ASSY (1 required per assembly) | ||
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2778187 - - [ More info ] Unavailable |
| #73 — 313647 — OIL PAN. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0313647 - OIL PAN [ More info ] Unavailable |
| #76 — 320107 — TIE STRAP, CAP AND BEAD CHAIN. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0320107 - Fuel Hose Tie Strap, ramped face, Sold Individually [ More info ]
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| #77 — 979841 — OIL LINE ASSEMBLY. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0979841 - Oil Line Assembly [ More info ] Unavailable |
| #78 — 310958 — FITTING, OIL LINE. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0310958 - Fitting [ More info ]
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| #79 — 980068 — CAP AND BEAD CHAIN ASSY. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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3853783 - Cap and Bead Chain Assembly [ More info ]
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| #80 — 909632 — WASHER, ELBOW. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0909632 - O-Ring - Oil Drain Elbow [ More info ]
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| #81 — 907848 — ELBOW, OIL PAN. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0907848 - Oil Drain Elbow [ More info ]
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| #82 — 316993 — CLAMP, OIL LINE. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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| #83 — 907845 — SEAL, CAP OIL DRAIN TUBE. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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| #84 — 980512 — WATER PUMP. PARTS AVAILABLE FROM LOCAL CHEVROLET DEALERS (1 required per assembly) | ||
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0980512 - Water Pump [ More info ]
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0984360 - Water Pump [ More info ]
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0986779 - Water Pump [ More info ]
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3854017 [ More info ] Unavailable Replaced by 3858340 |
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3858340 - Water Pump Assembly [ More info ]
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3858340 - Circulation Pump Volvo Penta - Volvo Penta (3858340) [ More info ]
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18-3593 - Circulating Pump, 884727 [ More info ]
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| #85 — 3788478 — GASKET, WATER PUMP (1 required per assembly) | ||
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[ More info ] Unavailable |
| #86 — 443899 — BOLT, HEX 5/16-18 X 7/8 LH (2 required per assembly) | ||
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[ More info ] Unavailable |