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Mercury Marine [Updated: Apr. 10, 2026]
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Sterndrive
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Engines - Gas
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8.1L (496 CU IN) V8 GM
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496 MAG (H.O. Model)
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[0M025000 THRU 0M687143] - Cat.# 90-881784
[0M025000 THRU 0M687143] - Cat.# 90-881784
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BLOCK-CAMSHAFT AND PISTONS
schematic
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BLOCK-CRANKSHAFT OIL PUMP, AND FRONT COVER
schematic
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CLOSED COOLING SYSTEM
schematic
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CYLINDER HEAD
schematic
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DRIVE RESERVOIR AND BRACKET
schematic
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ENGINE COVER
schematic
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ENGINE MOUNTS
schematic
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EXHAUST MANIFOLD (W/ WATER RAIL), ELBOW, AND RISER
schematic
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EXHAUST MANIFOLD (W/O WATER RAIL), ELBOW, AND RISER
schematic
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Exhaust System Components
schematic
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FLYWHEEL HOUSING
schematic
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FUEL FILTER AND BOOST PUMP
schematic
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FUEL PUMP AND FUEL COOLER
schematic
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Gasket Set Components (27-883231A 1) Engine
schematic
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Gasket Set Components (27-889924A01) Overhaul
schematic
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INTAKE MANIFOLD
schematic
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LIFTING BRACKETS AND WIRING HARNESS
schematic
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MERCATHODE
schematic
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OIL PAN AND DRAIN SYSTEM
schematic
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PCM AND BRACKET
schematic
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POWER STEERING
schematic
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RAW WATER COOLING SYSTEM 1 (S/N 0M095324 and Below)
schematic
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RAW WATER COOLING SYSTEM 2 (S/N 0M095325 and Up)
schematic
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REMOTE OIL SYSTEM
schematic
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SEAWATER PUMP
schematic
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SERVICE AND SUPPORT MATERIAL
schematic
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SHIFT BRACKET ( Digital Throttle-Shift )
schematic
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SHIFT BRACKET (Mechanical Shift )(SN-0M659999 and Below)
schematic
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SHIFT BRACKET (Mechanical Shift )(SN-0M660000 and Up)
schematic
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SMARTCRAFT SENSORS AND HARNESSES
schematic
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STARTER AND ALTERNATOR
schematic
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THROTTLE BODY ( Digital Throttle-Shift )
schematic
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THROTTLE BODY ( Mechanical Throttle-Shift )
schematic
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TRIM PUMP ASSEMBLY
schematic
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WATER DRAIN SYSTEM
schematic