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Product Details
Product Overview
This high-quality replacement crankshaft is specifically designed for the Cummins B3.3, QSB3.3, and Isuzu 4D95L diesel engine platforms. It serves as a critical rotating component that converts the linear motion of the pistons into rotational torque to drive the vehicle or equipment. The crankshaft is manufactured to OEM size specifications, ensuring a direct fit and reliable performance for demanding applications.
Identified by multiple cross-reference part numbers including 3329036, 4944437, 4982120, C6204311201, and C6204311111, this component is ideally suited for heavy-duty machinery such as forklifts, excavators, trucks, loaders, bulldozers, and buses. It is a robust solution for engine overhauls and repairs, providing the durability required for continuous industrial operation.
Key Features & Benefits
Precision Engineering: Manufactured to OEM size standards, ensuring a perfect fit and seamless integration with your existing engine components.
High Durability: Constructed from high-strength materials to withstand the torsional stress and fatigue common in diesel engines, maximizing service life.
Multiple Cross-References: Compatible with a wide range of OEM part numbers (3329036, 4944437, 4982120, C6204311201, C6204311111), simplifying inventory management and sourcing.
Wide Application Range: Suitable for various industrial and commercial vehicles, including excavators, loaders, trucks, and generators, offering versatile utility.
Reliable Performance: Undergoes rigorous testing to ensure rotational balance and dimensional accuracy, reducing vibration and engine wear.
Cost-Effective Solution: Provides a premium aftermarket alternative to expensive dealer parts without compromising on quality or fitment.
Technical Specifications
Specification
Details
Part Number (Main)
3329036, 4944437, 4982120
Part Number (Alternate)
C6204311201, C6204311111
Engine Model
B3.3, QSB3.3, 4D95L
Type
Crankshaft
Engine Type
Diesel
Size
OEM Size (Standard)
Weight
29 kg
Material
High-Strength Alloy Steel
Place of Origin
Guangdong, China
Warranty
6 Months
Packaging
Plastic Bag, Box, Carton
OEM Cross-Reference
This crankshaft is a direct replacement for the following OEM part numbers. Please verify your original part number before ordering.
Cummins: 3329036, 4944437, 4982120
Isuzu (Alternate): C6204311201, C6204311111
Compatibility
This crankshaft is commonly used for the following engine models and applications. Always confirm fitment with your specific engine serial number.
Vehicle/Equipment Applications: Forklift, Excavator, Truck, Loader, Bulldozer, Bus
Global Supply & Distribution
We offer worldwide shipping capabilities to serve international B2B buyers. Our distribution network covers major markets including North America, Europe, Southeast Asia, the Middle East, and Australia. We provide fast and reliable delivery to major ports and industrial centers such as Los Angeles, Rotterdam, Singapore, and Dubai.
With extensive export experience, we ensure all shipments comply with international trade regulations. We offer flexible logistics options including sea freight, air freight, and express courier services to meet your project deadlines.
Quality Assurance
Our crankshafts are manufactured in ISO-certified facilities, ensuring strict adherence to international quality standards. Each unit undergoes a comprehensive inspection process including dimensional checks, material analysis, and dynamic balancing tests.
We provide a 6-month warranty against manufacturing defects. A machinery test report and video outgoing inspection are available upon request to guarantee product integrity before shipment. OEM service is also available for custom requirements.
FAQ
Q: How can I confirm this crankshaft fits my engine? A: Please check the part number stamped on your original crankshaft. If it matches any of the listed numbers (3329036, 4944437, 4982120, C6204311201, C6204311111), this part is a direct fit. For engines like the B3.3 or QSB3.3, verify the engine model plate. If you are unsure, contact us with your engine serial number for verification.
Q: What is the installation procedure for this crankshaft? A: Installation should be performed by a qualified diesel mechanic. Key steps include cleaning all bearing journals, applying proper assembly lubricant, torquing main bearing caps to manufacturer specifications, and checking end-play clearance. We recommend replacing main and rod bearings simultaneously.
Q: How should I maintain the crankshaft after installation? A: Use high-quality engine oil and filters, and adhere to the manufacturer’s recommended oil change intervals. Regularly monitor engine oil pressure and listen for unusual knocking sounds. Proper maintenance prevents premature wear and extends crankshaft life significantly.
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