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Product Details
Product Overview
This high-quality crankshaft, part number 2040545, is specifically designed for the Weichai YZ4105ZLQ diesel engine. As a critical rotating component, this crankshaft converts the linear motion of the pistons into rotational torque, directly powering the engine’s flywheel and drivetrain.
Manufactured to OEM specifications, this component ensures a precise fit and reliable performance for a wide range of heavy-duty applications. It is a direct replacement part, commonly used in construction machinery, agricultural equipment, industrial generators, marine propulsion systems, and material handling vehicles that utilize the YZ4105ZLQ engine platform.
Whether you are rebuilding an engine for a genset or performing maintenance on an excavator, this crankshaft (2040545) provides the durability and dimensional accuracy required for demanding operational environments.
Key Features & Benefits
OEM Specification Fitment: Manufactured to the exact OEM size and tolerances (2040545) for the Weichai YZ4105ZLQ engine, ensuring a direct bolt-in replacement without modification.
Durable Construction: Built from high-strength alloy steel to withstand the extreme torsional and bending stresses of high-compression diesel combustion.
Precision Machining: Journal surfaces are precision ground and polished to reduce friction, enhance oil film retention, and extend bearing life.
Rigorous Testing: Each unit is subjected to a machinery test report and video inspection to verify dimensional accuracy and surface integrity before shipment.
Versatile Application: Suitable for diverse sectors including construction, agriculture, industry, marine, and power generation, offering a single solution for multiple equipment types.
Complete Package: Securely packed in a plastic bag, box, and carton to prevent damage during transit.
Technical Specifications
Specification
Details
Part Number
2040545
Engine Model
YZ4105ZLQ
Type
Crankshaft
Engine Type
Diesel
Size
OEM Size
Weight (kg)
39
Material
High-Strength Alloy Steel
Warranty
6 Months
Place of Origin
Guangdong, China
Packing
Plastic bag, Box, Carton
OEM Cross-Reference
This crankshaft is a direct replacement for the following OEM part number:
Weichai Part Number: 2040545
Note: This part is designed to meet or exceed the specifications of the original manufacturer’s component. For alternative OEM numbers, please consult your engine parts catalog or contact our technical support team.
Compatibility
This crankshaft is specifically designed for the Weichai YZ4105ZLQ diesel engine. It is commonly used for the following applications:
Fitment is inferred based on the engine model. Always verify your engine’s serial number and crankshaft configuration before purchasing.
Global Supply & Distribution
We specialize in the global supply of diesel engine components, ensuring fast and reliable delivery to customers worldwide. Our export experience covers major markets including:
North America: USA, Canada, Mexico
Europe: Germany, UK, France, Italy, Spain, Netherlands
Asia-Pacific: Japan, South Korea, Australia, New Zealand, Southeast Asia
Middle East & Africa: UAE, Saudi Arabia, South Africa, Nigeria
South America: Brazil, Argentina, Chile
We ship via air, sea, and express couriers (DHL, FedEx, UPS) to major ports and industrial centers. Our logistics team ensures proper documentation and customs clearance support for international orders.
Quality Assurance
Manufacturing Standards: Produced in ISO-certified facilities with strict quality control processes.
Testing: Each crankshaft undergoes a machinery test report and video outgoing inspection to verify performance and dimensional accuracy.
Warranty: Backed by a 6-month warranty against manufacturing defects.
After Warranty Service: Online technical support is available to assist with any post-purchase inquiries.
OEM Service: Custom manufacturing and OEM services are available for bulk orders or specialized requirements.
FAQ
Q: Is this crankshaft a direct replacement for the original Weichai part? A: Yes, this crankshaft (part number 2040545) is manufactured to OEM size and specifications for the Weichai YZ4105ZLQ engine. It is designed as a direct bolt-in replacement. However, we always recommend comparing the dimensions and journal sizes of your old part with this unit before installation to ensure compatibility.
Q: What is the installation procedure for this crankshaft? A: Installation should be performed by a qualified diesel mechanic. Key steps include: cleaning the engine block, inspecting main bearing journals, applying proper assembly lubricant, torquing main bearing caps to the manufacturer’s specifications, and checking end-play. Always replace main bearings, thrust washers, and oil seals simultaneously for optimal performance.
Q: How should I maintain this crankshaft for long service life? A: Ensure the engine uses the correct viscosity and quality of diesel engine oil. Regularly change oil and filters according to the engine manufacturer’s schedule. Monitor oil pressure and listen for unusual knocking sounds, which may indicate bearing wear. Proper maintenance of the lubrication system is critical to preventing crankshaft damage.
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