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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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7.4L (454 CU IN) V8 GM
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440 TRS GM 454 V-8
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1983-1986 [4179554 THRU 0B485220] - Cat.# 90-86187
1983-1986 [4179554 THRU 0B485220] - Cat.# 90-86187
Name
Type
Alternator Assembly (39 AMP)
Schematic
Alternator Assembly (55 AMP)
Schematic
Carburetor Assembly (370/400)
Schematic
Carburetor and Automatic Choke (370/400)
Schematic
Carburetor and Linkage (440/460)
Schematic
Crankshaft, Pistons and Connecting Rods (370/400/440)
Schematic
Crankshaft, Pistons and Connecting Rods (460)
Schematic
Cylinder Block and Camshaft (370/400/440)
Schematic
Cylinder Block and Camshaft (460)
Schematic
Cylinder Head (370/400/440-S/N-5670298 & Below)
Schematic
Cylinder Head (370/400/440-S/N-5670299 & Up)
Schematic
Cylinder Head (460)
Schematic
Distributor and Ignition Components (Holley)
Schematic
Distributor and Ignition Components (Mallory)
Schematic
Driveshaft and Tailstock (Left Hand Staggered Installation)
Schematic
Exhaust Header (440/460)
Schematic
Exhaust Manifold/Elbow (370/400)
Schematic
Flywheel Housing (Dual Cooler)
Schematic
Flywheel Housing (Single Cooler)
Schematic
Fuel Pump and Fuel Lines (370/400/440)
Schematic
Fuel Pump and Fuel Lines (460)
Schematic
Intake Manifold and Front Cover (370/400/440)
Schematic
Intake Manifold and Front Cover (460)
Schematic
Oil Filter and Adaptor (S/N-5669976 & Up)
Schematic
Oil Pan and Oil Pump (370/400/440)
Schematic
Oil Pan and Oil Pump (460)
Schematic
Power Steering Components
Schematic
Power Steering Components
Schematic
Remote Engine Oil Cooler (Use With Single Oil Cooler)
Schematic
Remote Oil Filter (S/N-5669454 & Below)
Schematic
Remote Oil Filter (S/N-5669455 thru 5669975)
Schematic
Reverse Lock Valve (S/N-5670316 & Below)
Schematic
Sea Water Pump Assembly
Schematic
Service/Support Material
Schematic
Starter Motor Assembly
Schematic
Starter Motor and Alternator
Schematic
Thermostat Housing (370/400/440)
Schematic
Thermostat Housing (460)
Schematic
Transm. and Related Parts (Left Hand Staggered-New Style)
Schematic
Transm. and Related Parts (Left Hand Staggered-Old Style)
Schematic
Transmission Assembly (S/N-5670316 & Below)
Schematic
Transmission Assembly (S/N-5670317 & Up
Schematic
Transmission and Shift Linkage (S/N-5670317 & Up)
Schematic
Transom Plate
Schematic
Wiring Harness, Electrical and Ignition
Schematic