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7.4L Bravo (Gen 4) GM 454 V-8 1988-1991 - Serial 0B771113 Thru 0D603117 - Cylinder Block and Camshaft
Section Drawing: (Hover or click to view larger)
Other Sub-Sections:
- Alternator (Mando)
- Alternator (Motorola #8MR2039K)
- Alternator (Prestolite #8EM2003KA)
- Audio Warning System
- Carburetor
- Carburetor and Linkage
- Crankshaft, Pistons and Connecting Rods
- Cylinder Block and Camshaft
- Cylinder Head and Rocker / Valve Cover
- Distributor and Ignition Components
- Engine Mounting (Cast Bracket)
- Exhaust Manifold and Elbow / Riser (Cast Iron)
- Exhaust Plate
- Exhaust System
- Flame Arrestor (New Design)
- Flame Arrestor (Old Design)
- Flywheel Housing
- Fuel Pump and Fuel Filter
- Intake Manifold and Front Cover
- Oil Filter and Adapter
- Oil Pan & Oil Pump (Cast Pan)
- Oil Pan & Oil Pump (Stamped Pan)
- Power Steering Components
- Sea Water Pump
- Shift Bracket
- Starter and Alternator
- Thermostat Housing (New Design)
- Thermostat Housing (Old Design)
- Wire Harness, Electrical and Ignition
| Ref # | Current Part Number | Description | Superceded From | Status | Quantity Used |
| 1 | 9639 | CYLINDER BLOCK ASSEMBLY | NLA | 1 | |
| 2 | 8M0204652 | --PLUG, (.250-18 x .41), CYLINDER BLOCK | 48340 | SS/ACT | 4 |
| 2 | 12524 | --PLUG, (.375), CYLINDER BLOCK | ACT | 2 | |
| 3 | 16951Q1 | --COCK ASSEMBLY, CYLINDER BLOCK | 16951A1 | SS/ACT | 2 |
| 4 | 69300 | --PLUG, EXPANSION - CYLINDER BLOCK (1-3/4" DIA.) | 37478 | SS/ACT | 8 |
| 5 | 52190 | --PIN, DOWEL - BLOCK TO HEAD | ACT | 4 | |
| 6 | 94140 | --EXPANSION PLUG, CAMSHAFT BEARING HOLE | ACT | 1 | |
| 7 | 85684 | --BEARING SET, CAMSHAFT | ACT | 1 | |
| 8 | 8M0160608 | LIFTER, HYDRAULIC VALVE - TAPPET | 72638 | SS/ACT | 16 |
| 9 | 4734 | CAMSHAFT | ACT | 1 | |
| 10 | 75588T | CHAIN, CAMSHAFT TIMING | 75588 | SS/NLA | 1 |
| 11 | 86481 | SPROCKET, CAMSHAFT | NLA | 1 | |
| 12 | 86482 | SPROCKET, CRANKSHAFT TIMING | NLA | 1 | |
| 13 | 8M0043993 | SCREW, (.312-18 x .750), CAMSHAFT TIMING SPROCKET | 35339 | SS/ACT | 3 |
| 14 | 843378 | PIN, Dowel (1/4 In. Diameter), CAMSHAFT SPROCKET (1/4" DIA.) | 35312 | SS/ACT | 1 |
| 15 | 848136 | WASHER, CAMSHAFT SPROCKET BOLT | 39167 | SS/ACT | 3 |
| 16 | 37682 | FITTING, Elbow (45 Degree) , CYLINDER BLOCK | ACT | 1 | |
| - | 65184A88 | GASKET SET, Engine | ACT | 1 | |
| - | 18706R5 | LONG BLOCK, 7.4L | 18706A1 | SS/NLA | 1 |
| - | 809826 | SEALER, Red RTV | 916011 | SS/ACT | 1 |
| - | 8M0170149 | SEALING COMPOUND, (16 Ounce) | 342271 | SS/ACT | 1 |