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7.4L Bravo (Gen 4) GM 454 V-8 1988-1991 - Serial 0B771113 Thru 0D603117 - Exhaust Manifold and Elbow / Riser (Cast Iron)
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. | OEM Part # | Hardin # | Mallory # | GLM # | Other # | Description | Num Req. | Superceded From | Special Notes | ||
| 1 | 807078T10 | 700-51245 (Aluminium) |
654-9011A (Aluminium) 654-9011 (Cast Iron) |
MANIFOLD ASSEMBLY | 2 | 89011A8 | |||||
| 2 | 22-41622 | 676-9-41205 | 700-21892 | PLUG, (3/4-14) | AR | 22-33198A1 | |||||
| 3 | 27-46820 | 655-153 (Std.) | 300-1410 (HP) |
676-9-61400 | 700-33760 | GASKET | 2 | Hardin Gaskets sold as pair, OEM, Mallory sold each! | |||
| 4 | 10-37612 | SCREW, (.375-16 x 1.250) | 8 | ||||||||
| 4 | 10-48424 | SCREW, (.375-16 x 1.620) | 8 | ||||||||
| 5 | 27-863724 | 676-9-61413 |
GASKET (STANDARD COOLING) | 2 | 27-41813 | ||||||
| 6 | 22-73379 | 700-22379 |
PLUG, (.250-18) | 4 | |||||||
| 7 | 22-862210A01 | 676-9-41206 | 700-13991 | ELBOW KIT, Drain | 2 | 22-806926A1 | |||||
| 8 | 22-806608A02 | 700-13992 |
PLUG KIT, (.500-13) Royal Blue, DRAIN | 2 | 22-806608A1 | ||||||
| 9 | 25-32509 | O-RING, (.489 x .070) | 2 | ||||||||
| 10 | 807988A03 | 676-9-40559 | 700-51145 (Aluminium) |
654-4354A (Aluminium) 654-4354 (Cast Iron) |
ELBOW ASSEMBLY, Exhaust (7 Degrees) | 2 | 44354A3 | ||||
| 11 | 22-36382 | 700-21887 | FITTING, (.250-18 x .62) Brass | 2 | |||||||
| 12 | 22-865159 | FITTING, (45 Degrees) (45 Degrees ) | 1 | 22-92499 | |||||||
| 12 | 22-45084 | FITTING, Straight (STRAIGHT) | 1 | ||||||||
| 13 | 10-43749 | SCREW, (.375-16 x 5.750) | 6 | ||||||||
| 13 | 10-44387 | SCREW, (.376-16 x 6.750) | 2 | ||||||||
| - | 93320A13 | RISER KIT, Exhaust Elbow (3 In.) | 1 | 93320A3 | |||||||
| - | 93322A12 | RISER KIT, Exhaust Elbow (6 In.) | 1 | 93322A3 |