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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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3.7L (224 CU IN) L4 Mercury
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3.7LX (4 BBL.) MERCURY 224 I/L4
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1988-1989 [0B775249 & Up] - Cat.# 90-12488
1988-1989 [0B775249 & Up] - Cat.# 90-12488
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AUDIO WARNING SYSTEM
schematic
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CAMSHAFT AND PISTON
schematic
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CARBURETOR (MERCARB) (165-170-3.7L)
schematic
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CARBURETOR (ROCHESTER) (180-190-3.7L/LX)
schematic
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CARBURETOR AND FUEL PUMP (165-170-3.7L)
schematic
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CARBURETOR AND FUEL PUMP (180-190-3.7L/LX)
schematic
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CRANKSHAFT, FLYWHEEL AND ALTERNATOR
schematic
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CYLINDER BLOCK, OIL PUMP AND OIL PAN
schematic
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CYLINDER HEAD AND ROCKER COVER
schematic
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DISTRIBUTOR AND COIL
schematic
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EXHAUST ELBOW
schematic
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EXHAUST MANIFOLD AND EXHAUST ELBOW (ALUMINUM)
schematic
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EXHAUST MANIFOLD AND EXHAUST ELBOW (CAST IRON)
schematic
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FLYWHEEL HOUSING
schematic
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FRONT COVER
schematic
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FRONT MOUNT
schematic
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HEAT EXCHANGER
schematic
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INTAKE MANIFOLD (180-190-3.7L/LX)
schematic
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INTAKE MANIFOLD AND THROTTLE LINKAGE (165-170-3.7L)
schematic
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MISCELLANEOUS PARTS/ACCESSORIES
schematic
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POWER STEERING COMPONENTS
schematic
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SHIFT BRACKET (NEW DESIGN)
schematic
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SHIFT BRACKET NEW DESIGN - WITH SPRING GUIDE
schematic
📄
SHIFT COMPONENTS (OLD DESIGN)
schematic
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STARTER MOTOR AND WIRING HARNESS
schematic
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STARTER MOTOR ASSEMBLY
schematic