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4.3L MPI ALPHA-BRAVO EC - 1A637496 and Up - Cylinder Head and Rocker Cover
Section Drawing: (Hover or click to view larger)
Other Sub-Sections:
- Alternator and Brackets
- Closed Cooling System (Alpha - Bravo) Sea Pump Hoses
- Closed Cooling System Heat Exchanger
- Closed Cooling System Hoses
- Cylinder Block Camshaft Crankshaft and Balanceshaft
- Cylinder Head and Rocker Cover
- Distributor and Ignition Components
- Engine Mounts
- Exhaust Manifold and Elbow
- Exhaust System Components
- Flywheel Coupler and Flywheel Housing
- Front Cover and Circulating Pump
- Fuel Filter
- Fuel Pump And Fuel Cooler
- Gasket Set Components (27-807756A02) Engine Overhaul
- Gear Lube Monitor
- Harness Lifting Brackets and Mercathode
- Intake Manifold and Fuel Rail
- Jackshaft Main Kit (98634A20)
- Oil Pan Oil Pump and Rear Oil Seal
- PCM and Electrical Components
- Pistons and Connecting Rods
- Poppet Valve Assembly Closed Cooling
- Remote Oil Filter
- Sea Water Pump Assembly
- Service and Support Material
- Shift Bracket Alpha
- Shift Bracket Bravo
- Standard Cooling Alpha Single Point (With Drain Plug)
- Standard Cooling Alpha Single Pt (With Handle) - Bravo 3 Pt
- Standard Cooling System (Bravo) Sea Pump Hoses
- Starter Motor
- Steering Components
- Thermostat and Housing Closed Cooling
- Thermostat and Housing Standard Cooling
- Throttle Body
- Trim Pump and Motor Components
- Trim Pump Assembly
- Water Distribution Housing
- Water Drain Air Manifold and Pump
| Ref # | Part Class | Part Number | Description | Comments | Qty | Note |
|---|---|---|---|---|---|---|
| 1 | 0000 | 827149001 | COVER Rocker | Without oil filler opening | 1 | [1] |
| 1 | 0000 | OEM: 525-8M0076416 | COVER Rocker | With oil filler opening | 1 | [1] |
| 2 | 0036 | OEM: 525-36-8M2019733 | CAP Oil Fill | 1 | [1] | |
| 3 | 0025 | OEM: 525-25-8M0043174 | O-RING | 1 | ||
| 4 | 0000 | OEM: 525-8M0054119 | TUBE ASSEMBLY Oil Fill | 1 | ||
| 5 | 0025 | OEM: 525-25-8M0043174 | O-RING | 2 | ||
| 6 | 0027 | OEM: 525-27-827154, Sierra: 676-18-61319, GLM: 700-30358 | GASKET Rocker Cover | 2 | [2] | |
| 7 | 0000 | OEM: 525-173391 | PUSH ROD | 12 | [1] | |
| 8 | 0000 | OEM: 525-8243171 | VALVE Exhaust | (Standard) | 6 | [1] |
| 8 | 0000 | OEM: 525-8243181 | VALVE Exhaust | (.030 Over Size) | AR | |
| 9 | 0000 | OEM: 525-809992 | VALVE Intake | (Standard) | 6 | [1] |
| 10 | 0026 | OEM: 525-26-976641, Sierra: 676-18-4024 | SEAL | (Intake Valve) | 6 | [2] |
| 10 | 0026 | 804507 | SEAL | (Exhaust Valve) | 6 | [2] |
| 11 | 0024 | OEM: 525-24-483471 | SPRING | 12 | [1] | |
| 12 | 0011 | OEM: 525-11-863289 | NUT (M6) | 1 | ||
| 13 | 0000 | OEM: 525-483481 | CAP | 12 | [1] | |
| 14 | 0028 | OEM: 525-28-547971 | KEY | 24 | [1] | |
| 15 | 0000 | OEM: 525-883164001 | ROCKER ARM ASSEMBLY Roller | 12 | [1] | |
| 16 | 0000 | OEM: 525-883165 | SUPPORT Rocker Arm | 2 | [1] | |
| 17 | 0938 | OEM: 525-938-8271783 | CYLINDER HEAD | 2 | [3] | |
| 18 | 0027 | OEM: 525-27-879150140, Sierra: 676-18-3879, GLM: 700-36100 | GASKET Head | 2 | [2] | |
| 19 | 0010 | OEM: 525-10-11968 | SCREW (.437-14 x 1.750) | 12 | [1] | |
| 20 | 0010 | 119671 | SCREW (.437-14 x 3.00) | 4 | [1] | |
| 21 | 0010 | OEM: 525-10-11966 | SCREW (.437-14 x 3.750) | 10 | [1] | |
| 22 | 0032 | OEM: 525-32-1589431 | TUBING (20.00 Inches Bulk) Breather | 1 | ||
| NS | 0025 | OEM: 525-25-827152 | GROMMET Breather Elbow | 1 | ||
| 23 | 0000 | OEM: 525-97850T | ELBOW 90 Degree Breather | (Starboard) | 1 | |
| 24 | 0054 | OEM: 525-54-815504105 | CLAMP Worm Gear (11-18 mm) | 2 | ||
| 25 | 0032 | 86197763 | HOSE (33.00 Inches Bulk) | 1 | ||
| 26 | 0054 | 8M2020370 | CLAMP | 1 | ||
| 27 | 0022 | OEM: 525-22-863432T | FITTING | 1 | ||
| 28 | 0010 | OEM: 525-10-827153 | SCREW | 6 | [1] | |
| 29 | 0025 | OEM: 525-25-827155 | O-RING | 6 | [2] | |
| 30 | 0000 | OEM: 525-8M0065285 | VALVE PCV | 1 | ||
| NS | 0025 | OEM: 525-25-827152 | GROMMET PCV Valve | 1 | ||
| - | 0027 | OEM: 525-27-807756A02 | GASKET SET Engine Overhaul | 1 | ||
| - | 0000 | 879150A31 | LONG BLOCK (4.3L) | 1 | [4] |
PART NOTES:
[1] - Component of Long Block Assembly 879150A31
[2] - Component of Engine Overhaul Gasket Set 807756A02
Component of Long Block Assembly 879150A31
[3] - Alternate part numbers:
827178 3QS
8M0115136Kit
Component of Long Block Assembly 879150A31
[4] - Alternate part numbers:
879150A31QS
879150R31Reman
8M0150280Reman