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425 GM 454 V8 1990-1992 - Serial 0A398941 Thru 0D937011 - Cylinder Block And Camshaft
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
| Note 1: Long Block Includes Internal Parts and Cylinder Heads. If Changing From Mark IV Style Engine To Generation V Style, An Update Kit Part Number 847818A4 Will Be Required. Note 2: Gasket Sets Required For Complete Overhaul. Partial Engine Includes Only Standard Pistons, Piston Rings, Crankshaft Bearings And Camshaft Bearings. |
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| Ref. | OEM Part # | Hardin # | Mallory # | GLM # | Other # | Description | Num Req. | Superseded From | Special Notes |
| 1 | 816185A17 | LONG BLOCK ASSEMBLY | 1 | This Part is No Longer Available 420 And 425 Models - See Note 1 SN# 0A398941 THRU 0D725499 | |||||
| 1 | 847705A14 | LONG BLOCK ASSEMBLY | 1 | 847705A13 | This Part is No Longer Available 425 Models - See Note 1 SN# 0D725500 THRU 0D937011 | ||||
| 1 | 842-9638 | CYLINDER BLOCK ASSEMBLY | 1 | This Part is No Longer Available 420 And 425 Models - See Note 2 SN# 0A398941 THRU 0D725499 | |||||
| 1 | 842-801999 | BLOCK ASSEMBLY, Cylinder | 1 | This Part is No Longer Available 425 Models - See Note 2 SN# 0D725500 THRU 0D937011 | |||||
| 2 | 22-32561 | PLUG, (.250-18 x .41) | 4 | 22-48340 | |||||
| 2 | 22-48358T | PLUG, (.375) | 2 | 22-48358 | |||||
| 3 | 22-36382 | 700-21887 | FITTING, (.250-18 x .62) Brass | 2 | |||||
| 4 | 22-69300 | PLUG, Expansion (1.750 Inch) | 8 | 19-37478 | |||||
| 5 | 17-52190 | PIN | 4 | ||||||
| 6 | 19-94140 | EXPANSION PLUG | 1 | ||||||
| 7 | 23-85684 | BEARING SET | 1 | ||||||
| 8 | 93722T | LIFTER | 16 | 93722 | |||||
| 9 | 451-7892 | CAMSHAFT | 1 | ||||||
| 10 | 61728 | CHAIN, Timing | 1 | This Part is No Longer Available SN# 0A398941 THRU 0D725499 | |||||
| 10 | 845796T | CHAIN, Timing | 1 | 811580 | SN# 0D725500 THRU 0D937011 | ||||
| 11 | 43-61726 | SPROCKET, Camshaft | 1 | This Part is No Longer Available SN# 0A398941 THRU 0D725499 | |||||
| 11 | 43-811578 | SPROCKET, Camshaft | 1 | SN# 0D725500 THRU 0D937011 | |||||
| 12 | 43-61727 | SPROCKET, Crankshaft | 1 | This Part is No Longer Available SN# 0A398941 THRU 0D725499 | |||||
| 12 | 43-845794T | SPROCKET, Crankshaft | 1 | 43-811579 | SN# 0D725500 THRU 0D937011 | ||||
| 13 | 10-845942 | SCREW, (.312-18 x .750) | 3 | 10-35339 | |||||
| 14 | 12-848136 | WASHER | 3 | 12-39167 | |||||
| 15 | 17-843378 | PIN, Dowel (.250) | 1 | 17-35312 | |||||
| - | 27-13218A1 | GASKET SET | 1 | SN# 0A398941 THRU 0D725499 | |||||
| - | 27-808730A98 | GASKET SET | 1 | 27-808730A92 | This Part is No Longer Available SN# 0D725500 THRU 0D937011 | ||||