This high-quality engine crankshaft is designed for the Isuzu 4BD1 diesel engine, with the OEM part number 1-12310407-1. As the core rotating component of the engine, it converts piston reciprocating motion into rotational power, widely used in excavators, trucks, and other heavy-duty machinery powered by the 4BD1 engine.
Manufactured from high-strength forged steel with precision machining and heat treatment, this crankshaft features balanced counterweights, precision-ground journals, and optimized fillet radii. It undergoes strict dynamic balancing and hardness testing to ensure smooth operation, reduced vibration, and long-term durability under high-load working conditions.
Each unit is rigorously inspected for dimensional accuracy and surface finish, meeting OEM specifications for perfect fit and reliable performance. Ready for direct installation, this crankshaft helps restore engine power, improve fuel efficiency, and extend the service life of your equipment.
Key Features:
- OEM-spec replacement crankshaft
- OEM Part Number: 1-12310407-1
- Designed for Isuzu 4BD1 diesel engine
- High-strength forged steel construction for superior durability
- Precision-ground journals and fillet radii for optimal performance
- Heat-treated and dynamically balanced to reduce vibration
- Ready for direct installation
- 12-month warranty against manufacturing defects
Applications:
- Isuzu 4BD1 diesel engine
- Excavators, trucks, and other compatible heavy equipment