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4.3L MPI ALPHA-BRAVO EC - 1A637496 and Up - Pistons and Connecting Rods
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 | 735 | OEM: 525-735-835001T | PISTON ASSEMBLY | (Standard) | 6 | [1] |
| 1 | 735 | OEM: 525-735-835002T | PISTON ASSEMBLY | (.5MM Oversize) | AR | |
| 2 | 0039 | OEM: 525-39-8018611 | RING SET Piston | (Standard) | 6 | [1] |
| 2 | 0039 | OEM: 525-39-835000 | RING SET Piston | (.5MM Oversize) | AR | |
| 3 | 614 | OEM: 525-614-811839T02 | CONNECTING ROD ASSEMBLY | 6 | [1] | |
| 4 | 0011 | OEM: 525-11-879194372 | SCREW | 12 | ||
| 5 | 0023 | OEM: 525-23-11992001, Sierra: 676-18-1327 | BEARING ASSEMBLY (Pair-Standard) | 1 | [1] | |
| 5 | 0023 | OEM: 525-23-11993 | BEARING | (Pair- .001 Undersize) | AR | |
| 5 | 0023 | OEM: 525-23-811858001, Sierra: 676-18-1337 | BEARING | (Pair- .010 Undersize) | AR | |
| 5 | 0023 | OEM: 525-23-811859 | BEARING | (Pair- .020 Undersize) | AR | |
| - | 0000 | 879150A31 | LONG BLOCK (4.3L) | 1 | [2] |
PART NOTES:
[1] - Component of Long Block Assembly- 879150A31
[2] - Alternate part numbers:
879150A31QS
879150R31Reman
8M0150280Reman