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Mercury
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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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3.0L (181 CU IN) L4 GM
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3.0L GM 181 I/L4
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1987-1989 [0B450801 THRU 0C856558] - Cat.# 90-41261
1987-1989 [0B450801 THRU 0C856558] - Cat.# 90-41261
Name
Type
ALTERNATOR (DELCO-REMY #1103113)
Schematic
ALTERNATOR (DELCO-REMY #1105064)
Schematic
ALTERNATOR (MOTOROLA #8EM2003KA)
Schematic
ALTERNATOR (MOTOROLA #8MR2039K)
Schematic
Alternator (Mando)
Schematic
CARBURETOR (MERCARB)
Schematic
CARBURETOR (ROCHESTER)
Schematic
CONVENTIONAL IGNITION COMPONENTS
Schematic
CRANKSHAFT, CAMSHAFT, WATER PUMP (120-2.5L/153 CID)
Schematic
CRANKSHAFT, CAMSHAFT, WATER PUMP (140-3.0L/181 CID)
Schematic
CYLINDER BLOCK, PISTON AND BEARINGS (120-2.5L/153 CID)
Schematic
CYLINDER BLOCK, PISTON AND BEARINGS (140-3.0L/181 CID)
Schematic
CYLINDER HEAD AND ROCKER COVER (120-2.5L/153 CID)
Schematic
CYLINDER HEAD AND ROCKER COVER (140-3.0L/181 CID)
Schematic
DIGITAL IGNITION COMPONENTS
Schematic
DRIVESHAFT EXTENSION COMPONENTS JACKSHAFT MODELS
Schematic
DRIVESHAFT EXTENSION COMPONENTS JACKSHAFT MODELS
Schematic
DRIVESHAFT EXTENSION COMPONENTS JACKSHAFT MODELS
Schematic
ENGINE MOUNTING (FRONT)
Schematic
EXHAUST MANIFOLD (USE W/1 PIECE EXHAUST ELBOW)
Schematic
EXHAUST MANIFOLD USE W/2 PIECE EXHAUST ELBOW
Schematic
EXHAUST SYSTEM (NEW DESIGN)
Schematic
EXHAUST SYSTEM (OLD DESIGN)
Schematic
FLYWHEEL HOUSING
Schematic
FUEL PUMP AND CARBURETOR (NEW DESIGN)
Schematic
FUEL PUMP AND CARBURETOR (OLD DESIGN)
Schematic
MISCELLANEOUS PARTS\ACCESSORIES
Schematic
OIL PAN AND OIL PUMP (120-2.5L/153 CID)
Schematic
OIL PAN AND OIL PUMP (140-3.0L/181 CID)
Schematic
POWER STEERING PUMP ASSEMBLY
Schematic
Power Steering Pump and Cooler Kit (71333A5)
Schematic
SHIFT COMPONENTS (NEW DESIGN WITH SPRING GUIDE)
Schematic
SHIFT COMPONENTS (NEW DESIGN)
Schematic
SHIFT COMPONENTS (OLD DESIGN)
Schematic
STARTER MOTOR
Schematic
STARTER MOTOR AND ALTERNATOR
Schematic
THROTTLE COMPONENTS (OLD DESIGN)
Schematic
WIRING HARNESS AND ELECTRICAL COMPONENTS
Schematic