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420 GM 454 V8 1987-1989 - Serial 0A398941 Thru 0B622418 - Exhaust Manifold - Elbow (425 GIL System)
Section Drawing: (Hover or click to view larger)
Other Sub-Sections:
- Alternator (Mando AC-155603)
- Alternator (Mando AR-150)
- Alternator (Motorola 8MR2039K)
- Alternator (Prestolite 8EM2003KA)
- Audio Warning System
- Carburetor And Linkage
- Crankshaft - Pistons - Connecting Rods
- Cylinder Block And Camshaft
- Cylinder Head And Rocker Cover
- Distributor And Ignition Components
- Driveshaft And Tailstock
- Electrical Components (0A398941 Thru 0D763854)
- Electrical Components (0D763855 Thru 0D937011)
- Exhaust Cover (420)
- Exhaust Manifold - Elbow (420 GIL System)
- Exhaust Manifold - Elbow (425 GIL System)
- Exhaust Manifold - Elbow (Mercruiser System)
- Flywheel Housing
- Fuel Pump And Fuel Filter (0A398941 Thru 0D725499)
- Fuel Pump And Fuel Filter (0D763855 Thru 0D937011)
- Intake Manifold And Front Cover
- Mount Plates (Engine)
- Oil Cooler (0A398941 Thru 0D725499)
- Oil Cooler (0D725500 Thru 0D937011)
- Oil Pan And Oil Pump (0A398941 Thru 0D725499)
- Oil Pan And Oil Pump (0D725500 Thru 0D937011)
- Power Steering Components
- Power Steering Cylinder Assembly
- Seawater Pump Assembly (0A398941 Thru 0D725499)
- Seawater Pump Assembly (0D725500 Thru 0D937011)
- Starter And Alternator Mounting
- Starter Assembly
- Thermostat Housing (420)
- Thermostat Housing (425)
- Transmission And Related Parts
- Transmission And Shift Linkage
- Transmission And Tailstock
| Ref. | OEM Part # | Hardin # | Mallory # | GLM # | Other # | Description | Num Req. | Superseded From | Special Notes |
| 1 | 8M0084206 | MANIFOLD ASSEMBLY, Exhaust - Port | 1 | 814901A5 | |||||
| 1 | 814901T6 | MANIFOLD ASSEMBLY, Exhaust - Starboard | 1 | 814901A6 | |||||
| 2 | 16-815214 | STUD | 8 | ||||||
| 3 | 32-8152121 | HOSE, Manifold To Exhaust Pipe | 2 | ||||||
| 4 | 22-816035 | FITTING | 2 | ||||||
| 5 | 19-815203 | PLUG, Pipe | 2 | ||||||
| 5A | 22-818768 | FITTING, Straight | 2 | ||||||
| 6 | 19-815205 | FREEZE PLUG (1.00 Inch) | 10 | This Part is No Longer Available | |||||
| 7 | 19-815204 | FREEZE PLUG (.750 Inch) | 4 | ||||||
| 8 | 22-815208 | FITTING, Tee | 4 | This Part is No Longer Available | |||||
| 9 | 22-815210 | FITTING, Tee | 1 | This Part is No Longer Available | |||||
| 10 | 22-815210 | FITTING, Tee | 1 | This Part is No Longer Available | |||||
| 11 | 22-815209 | FITTING, Tee | 2 | This Part is No Longer Available | |||||
| 12 | 19-815211 | PLUG, Pipe Drain | 2 | This Part is No Longer Available | |||||
| 13 | 32-815215 | HOSE (3.500 Inches) | 6 | ||||||
| 14 | 54-815207 | CLAMP | 16 | ||||||
| 15 | 16-49545 | STUD (.375-16 x 1.750) | 4 | ||||||
| 15 | 16-821279 | STUD (.375-16 x 2.187) | 4 | ||||||
| 16 | 10-821107 | SCREW, (.375-16 x 3.00) | 8 | ||||||
| 16 | 10-815166 | SCREW, (.375-16 x 5.625) | 8 | This Part is No Longer Available | |||||
| 17 | 10-815687 | SCREW, (.375-16 x 1.250) Stainless Steel | 4 | ||||||
| 17 | 10-812567 | SCREW, (.375-16 x 1.625) | 4 | ||||||
| 18 | 12-20572 | WASHER, (.390 x .750 x .093) | 8 | ||||||
| 19 | 12-37828 | WASHER, (.390 x .625 x .062) Stainless Steel | 8 | ||||||
| 20 | 11-25269 | NUT, (.375-24) | 4 | ||||||
| 21 | 27-46820 | GASKET, Exhaust Manifold To Head | 2 | 3 | |||||
| 22 | 818495A1 | TAILPIPE ASSEMBLY, Exhaust | 2 | This Part is No Longer Available Standard | |||||
| 22 | 818496A1 | TAILPIPE ASSEMBLY, Exhaust | OPT | This Part is No Longer Available (3.00 Inches) | |||||
| 22 | 818497A1 | TAILPIPE ASSEMBLY, Exhaust | OPT | This Part is No Longer Available (6.00 Inches) | |||||
| 23 | 27-848147 | GASKET, Exhaust Elbow | 2 | ||||||
| 24 | 12-49112 | WASHER | 8 | This Part is No Longer Available | |||||
| 25 | 11-68411 | NUT, (.375-16) | 8 | No longer made, limited availability | |||||
| 26 | 816037 | PLATE, Diffuser | 2 | ||||||
| 27 | 32-688941 | HOSE, (48.00 Inches Bulk) (6.00 Inches) Cut As Required | 1 | ||||||
| 28 | 54-815504105 | CLAMP, Worm Gear | 2 | ||||||
| - | 27-808730A98 | GASKET SET | 1 | 27-808730A92 | This Part is No Longer Available |