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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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370 TRS GM 454 V-8
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1978-1985 [4179554 THRU 6721527] - Cat.# 90-86187
1978-1985 [4179554 THRU 6721527] - Cat.# 90-86187
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Alternator Assembly (39 AMP)
schematic
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Alternator Assembly (55 AMP)
schematic
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Carburetor Assembly (370/400)
schematic
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Carburetor and Automatic Choke (370/400)
schematic
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Carburetor and Linkage (440/460)
schematic
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Crankshaft, Pistons and Connecting Rods (370/400/440)
schematic
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Crankshaft, Pistons and Connecting Rods (460)
schematic
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Cylinder Block and Camshaft (370/400/440)
schematic
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Cylinder Block and Camshaft (460)
schematic
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Cylinder Head (370/400/440-S/N-5670298 & Below)
schematic
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Cylinder Head (370/400/440-S/N-5670299 & Up)
schematic
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Cylinder Head (460)
schematic
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Distributor and Ignition Components (Holley)
schematic
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Distributor and Ignition Components (Mallory)
schematic
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Driveshaft and Tailstock (Left Hand Staggered Installation)
schematic
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Exhaust Header (440/460)
schematic
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Exhaust Manifold/Elbow (370/400)
schematic
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Flywheel Housing (Dual Cooler)
schematic
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Flywheel Housing (Single Cooler)
schematic
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Fuel Pump and Fuel Lines (370/400/440)
schematic
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Fuel Pump and Fuel Lines (460)
schematic
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Intake Manifold and Front Cover (370/400/440)
schematic
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Intake Manifold and Front Cover (460)
schematic
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Oil Filter and Adaptor (S/N-5669976 & Up)
schematic
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Oil Pan and Oil Pump (370/400/440)
schematic
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Oil Pan and Oil Pump (460)
schematic
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Power Steering Components
schematic
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Power Steering Components
schematic
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Remote Engine Oil Cooler (Use With Single Oil Cooler)
schematic
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Remote Oil Filter (S/N-5669454 & Below)
schematic
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Remote Oil Filter (S/N-5669455 thru 5669975)
schematic
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Reverse Lock Valve (S/N-5670316 & Below)
schematic
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Sea Water Pump Assembly
schematic
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Service/Support Material
schematic
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Starter Motor Assembly
schematic
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Starter Motor and Alternator
schematic
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Thermostat Housing (370/400/440)
schematic
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Thermostat Housing (460)
schematic
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Transm. and Related Parts (Left Hand Staggered-New Style)
schematic
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Transm. and Related Parts (Left Hand Staggered-Old Style)
schematic
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Transmission Assembly (S/N-5670316 & Below)
schematic
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Transmission Assembly (S/N-5670317 & Up
schematic
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Transmission and Shift Linkage (S/N-5670317 & Up)
schematic
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Transom Plate
schematic
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Wiring Harness, Electrical and Ignition
schematic