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420 GM 454 V8 1987-1989 - Serial 0A398941 Thru 0B622418 - Electrical Components (0D763855 Thru 0D937011)
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 | Superseded From | Special Notes |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 | 84-847722A2 | HARNESS ASSEMBLY | 1 | 84-847722A1 | SN# 0D763855 THRU 0D937011 | ||||
| 2 | 26079A2 | PLATE KIT, Wire Harness Mount | 1 | ||||||
| 3 | 10-15001 | SCREW, (#8-16 x .875) | 4 | ||||||
| 4 | 8476761 | BRACKET, Mount | 1 | ||||||
| 5 | 88-11178A01 | BREAKER, Circuit - 50 Ampere, 50 Ampere | 1 | 88-11178 | This part is the replacement for 11178A01 however the mounting hole will need to be enlarged to make it work. | ||||
| 6 | 13-26996 | LOCKWASHER, (#10) Stainless Steel | 2 | ||||||
| 7 | 11-68219 | NUT, (#10-32) Stainless Steel | 2 | ||||||
| 8 | 10-45862 | SCREW, (#10-32 x .875) | 2 | ||||||
| 9 | 11-61356 | NUT, (#10-32) Reduced Hex | 2 | ||||||
| 10 | 89-818999A2 | SOLENOID ASSEMBLY | 1 | ||||||
| 11 | 25-818967 | GROMMET | 2 | ||||||
| 12 | 23-818968 | BUSHING | 2 | ||||||
| 13 | 12-29245 | 700-21490 | WASHER, (.281 x .500 x .060) Stainless Steel | 2 | |||||
| 14 | 13-26992 | LOCKWASHER, (.250) Stainless Steel | 2 | ||||||
| 15 | 10-76630 | SCREW, (.250-20 x 1.00) | 2 | ||||||
| 16 | 13-26995 | LOCKWASHER, (#8) Stainless Steel | 2 | ||||||
| 17 | 11-26419 | NUT, (#8-32) Brass | 2 | ||||||
| 18 | 13-26992 | LOCKWASHER, (.250) Stainless Steel | 2 | ||||||
| 19 | 11-94330 | NUT, (.250-20) Brass | 2 | ||||||
| 20 | 13611 | SENDER ASSEMBLY, Oil Temperature | 1 | ||||||
| 21 | 13-26996 | LOCKWASHER, (#10) Stainless Steel | 1 | ||||||
| 22 | 11-45076 | NUT, (#10-32) Brass | 1 | ||||||
| 23 | 22-36492 | BUSHING, Reducer | 1 | ||||||
| 24 | 806490T | SENDER ASSEMBLY, Water Temperature | 1 | 97257A1 | |||||
| 24 | 49734 | SENDER ASSEMBLY, Water Temperature - Dual Models | OPT | 49734A1 | |||||
| 25 | 13-26996 | LOCKWASHER, (#10) Stainless Steel | 1 | ||||||
| 26 | 11-45076 | NUT, (#10-32) Brass | 1 | ||||||
| 27 | 8M0068784 | SENDER ASSEMBLY, Oil Pressure | 1 | 815425 | |||||
| 27 | 37293T | SENDER ASSEMBLY, Oil Pressure - Dual Models | OPT | 37293 | |||||
| 28 | 13-26996 | LOCKWASHER, (#10) Stainless Steel | 1 | ||||||
| 29 | 11-45076 | NUT, (#10-32) Brass | 1 | ||||||
| 30 | 22-64013 | FITTING, (.375 Male To .125 Female) | 1 | ||||||
| 38 | 17316A1 | MODULE ASSEMBLY, Ignition | 1 | This Part is No Longer Available | |||||
| 39 | 12-29245 | 700-21490 | WASHER, (.281 x .500 x .060) Stainless Steel | 2 | |||||
| 40 | 11-8267098 | NUT, (.250-20) | 3 | 11-56374 | |||||
| 41 | 84-62826A6 | CABLE ASSEMBLY, Ground (13.00 Inches) Black | 1 | ||||||
| 42 | 13-21272 | LOCKWASHER, (.250) | 1 | ||||||
| 43 | 823755T1 | OVERSPEED ASSEMBLY | 1 | 823755A1 | |||||
| 44 | 12-30164 | WASHER, (.192 x .375 x .0312) Stainless Steel | 2 | ||||||
| 45 | 13-26996 | LOCKWASHER, (#10) Stainless Steel | 2 | ||||||
| 46 | 10-41069 | SCREW, (#10-24 x .750) | 2 | ||||||
| 47 | 16-847738 | STUD | 3 | ||||||
| 48 | 13-35048 | LOCKWASHER, (.375) | 3 | ||||||
| 49 | 10-37612 | SCREW, (.375-16 x 1.250) | 3 | ||||||
| 50 | 54-92850 | CLAMP | 1 |