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Fitment checkOEM number, engine model, and machine model confirmation.
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Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This is a high-precision 3LB1 Crankshaft, identified by part numbers DD0380-82S, 8970405204, and 8-97040520-4, specifically designed for Isuzu diesel engine applications. As a critical rotating component within the engine block, this crankshaft converts the linear motion of the pistons into rotational torque, directly driving the flywheel and transmission system.
Engineered to meet OEM size specifications, this crankshaft is commonly used in a variety of heavy-duty machinery, including excavators, trucks, forklifts, bulldozers, buses, and loaders. It represents a reliable replacement part for maintaining or restoring engine performance in demanding industrial environments.
Key Features & Benefits
OEM Standard Dimensions: Manufactured to exact OEM size specifications, ensuring a direct fit and seamless installation without modifications.
Durable Construction: Built from high-strength alloy steel to withstand the extreme torsional stresses and fatigue common in diesel engine operation.
Precision Machining: All bearing journals and pin surfaces are precision-ground to strict tolerances, reducing friction and ensuring long service life.
Rigorous Quality Control: Each unit undergoes machinery testing and outgoing inspection to guarantee performance and reliability.
Proven Compatibility: Designed for the Isuzu 3LB1 engine platform, offering confidence for technicians and fleet managers.
Cost-Effective Solution: Provides a competitive price point without compromising on core quality standards.
Comprehensive Warranty: Backed by a 6-month warranty, providing peace of mind for your investment.
This crankshaft is the direct replacement for the following original equipment manufacturer (OEM) numbers:
Isuzu: 8970405204, 8-97040520-4
Other: DD0380-82S
Please verify your existing part number against the list above to ensure compatibility before purchase.
Compatibility
This crankshaft is specifically designed for the Isuzu 3LB1 diesel engine platform. It is commonly used for the following types of equipment and applications:
Excavators: Mini to mid-size excavators
Trucks: Light-duty trucks and utility vehicles
Forklifts: Industrial forklifts
Bulldozers & Loaders: Compact construction machinery
Buses: Small to mid-size buses
Agricultural Machinery: Various farm equipment
Note: Fitment is inferred based on engine model. We recommend cross-referencing your original part number for absolute certainty.
Global Supply & Distribution
We maintain a robust global supply chain to serve international B2B buyers efficiently. Our distribution network supports fast and reliable delivery to major industrial hubs and ports worldwide, including:
North America: Los Angeles, Houston, Chicago, Toronto
Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
Asia-Pacific: Singapore, Shanghai, Tokyo, Sydney
Middle East & Africa: Dubai, Jeddah, Durban
South America: Santos, Buenos Aires, Valparaiso
We have extensive experience in international trade, customs documentation, and shipping logistics to ensure your order arrives on time and in perfect condition. Whether you need a single unit for a fleet repair or bulk orders for distribution, we can accommodate your requirements.
Quality Assurance
Quality is the cornerstone of our manufacturing process. Each crankshaft undergoes a stringent quality control protocol to ensure it meets or exceeds OEM performance standards.
Manufacturing Standards: Produced in ISO-compliant facilities using advanced forging and machining technologies.
Testing Procedures: Each unit is subjected to a Machinery Test Report and a Video Outgoing Inspection to verify dimensional accuracy and surface integrity.
Certification: Material certifications and test reports are available upon request for traceability.
Warranty: We stand behind our product with a full 6-month warranty against manufacturing defects.
FAQ
Q1: How can I confirm this crankshaft will fit my Isuzu 3LB1 engine? A: The best way to confirm fitment is to locate the part number on your existing crankshaft. It is typically stamped on the counterweight or the front face. Cross-reference it with our listed OEM numbers (8970405204, 8-97040520-4, or DD0380-82S). If your number matches, the part is a direct replacement.
Q2: What installation precautions should I take? A: Installation should only be performed by a qualified diesel mechanic. Before installation, clean all oil passages thoroughly. Use new main bearing and connecting rod bearings, and lubricate all journals with clean engine oil during assembly. Always follow the manufacturer’s torque specifications and tightening sequence for bearing caps.
Q3: What maintenance is required after installing a new crankshaft? A: After installation, it is critical to perform the initial engine break-in properly. Change the engine oil and oil filter after the first 50 hours of operation to remove any microscopic wear particles. Regularly check oil pressure and listen for unusual knocking sounds. Adhering to the engine manufacturer’s recommended oil change intervals will maximize the lifespan of the crankshaft and bearings.
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