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Mercury Marine [Updated: Apr. 10, 2026]
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1978-1981 [4890460 & Up] - Cat.# 90-79170
1978-1981 [4890460 & Up] - Cat.# 90-79170
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BELL HOUSING ASSEMBLY
schematic
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CONTROL PANEL ASSEMBLY
schematic
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DRIVE UNIT CHART
schematic
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DRIVESHAFT HOUSING AND GEAR ASSEMBLY
schematic
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DRIVESHAFT HOUSING ASSEMBLY AND DRIVESHAFT
schematic
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GEAR HOUSING ASSEMBLY
schematic
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GEAR HOUSING ASSEMBLY COMPLETE
schematic
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GIMBAL HOUSING ASSEMBLY
schematic
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GIMBAL RING ASSEMBLY AND STEERING LEVER
schematic
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HYDRAULIC PUMP ASSEMBLY
schematic
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HYDRAULIC PUMP ASSEMBLY (METAL RESERVOIR)
schematic
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HYDRAULIC PUMP ASSEMBLY (PLASTIC RESERVOIR)
schematic
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POWER STEERING COMPONENTS (V-ENGINES)
schematic
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POWER TRIM CYLINDER REPAIR KITS (EXTERNAL LINE)
schematic
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POWER TRIM CYLINDER REPAIR KITS (INTERNAL LINE)
schematic
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PROPELLER CHART
schematic
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REVERSE LOCK VALVE ASSEMBLY (IN-LINE ENGINES)
schematic
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SERVICE/SUPPORT MATERIAL
schematic
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TRANSOM PLATE AND SHIFT CABLE
schematic
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TRANSOM PLATE AND SHIFT LEVER (IN-LINE ENGINES)
schematic
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TRIM CYLINDERS AND HYDRAULIC HOSES (EXTERNAL LINE)
schematic
📄
TRIM CYLINDERS AND HYDRAULIC HOSES (INTERNAL LINES)
schematic