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Product Details
Product Overview
This is a premium-grade Cylinder Block with OEM part number 4990448, specifically designed for the Cummins 6D107 diesel engine series. As a critical structural component, this cylinder block forms the rigid foundation for all internal engine assemblies, ensuring precise alignment of pistons, crankshaft, and cylinder liners.
Manufactured to OEM size specifications, this 237kg heavy-duty component is engineered for demanding applications in excavators, trucks, forklifts, bulldozers, buses, loaders, and other heavy machinery. The block is sourced from reliable production facilities in Guangdong and Guizhou, China, and is commonly used as a direct replacement for worn or damaged original equipment parts in Cummins-powered equipment.
Please verify your engine model and existing part number before purchase. This cylinder block is designed for the 6D107 engine platform and may require professional installation to ensure proper fitment and performance.
Key Features & Benefits
Precision OEM Dimensions: Manufactured to exact OEM size specifications, ensuring seamless integration with existing engine components without modification.
High-Performance Casting: Constructed from high-strength materials to withstand extreme combustion pressures and thermal stresses in diesel applications.
Rigorous Quality Control: Each cylinder block undergoes machinery test report verification and video outgoing inspection to confirm dimensional accuracy and structural integrity.
Direct Replacement Fit: Designed as a direct swap for the original 4990448 block, minimizing downtime during engine overhauls or rebuilds.
Versatile Application Range: Suitable for multiple equipment types including excavators, trucks, forklifts, bulldozers, buses, and loaders using the Cummins 6D107 engine.
Cost-Effective Solution: Offers competitive pricing compared to OEM alternatives while maintaining high performance standards for commercial and industrial use.
Technical Specifications
Specification
Detail
Part Number
4990448
Engine Model
6D107
Product Type
Cylinder Block
Engine Type
Diesel
Weight (kg)
237
Size
OEM Size
Material
High-Grade Cast Iron/Alloy
Place of Origin
Guangdong, China; Guizhou, China
Warranty
6 Months
Quality Advantage
Performance Original Genuine Engine Parts
Inspection
Video Outgoing & Machinery Test Report Provided
OEM Cross-Reference
This cylinder block is a direct replacement for the following OEM part numbers:
4990448 (Primary Part Number)
6D107 Block (Engine Model Reference)
Note: This part is designed for the Cummins 6D107 engine platform. Always verify your existing part number and engine model to confirm compatibility. Cross-reference with your equipment’s parts manual for exact match.
Compatibility
This cylinder block is commonly used for the following applications:
Engine Models: Cummins 6D107 Diesel Engine
Equipment Applications:
Excavators
Trucks
Forklifts
Bulldozers
Buses
Loaders
Other heavy machinery using the 6D107 engine
Fitment is inferred based on engine model compatibility. Please consult your equipment’s service manual or a qualified technician to confirm suitability for your specific machine model and year.
Global Supply & Distribution
We offer worldwide shipping capabilities with fast delivery to major ports and industrial centers across the globe. Our distribution network serves key markets including:
North America: United States, Canada, Mexico
Europe: Germany, UK, France, Netherlands, Italy, Spain
Asia-Pacific: Australia, Japan, South Korea, Southeast Asia
Middle East: UAE, Saudi Arabia, Qatar, Kuwait
Africa: South Africa, Nigeria, Kenya
South America: Brazil, Argentina, Chile
With export experience and international trade compliance, we ensure reliable logistics for both small and bulk orders. Express shipping options are available for urgent requirements.
Quality Assurance
Manufacturing Standards: Produced in ISO-certified facilities in Guangdong and Guizhou, China, following strict quality control protocols.
Testing Procedures: Each cylinder block undergoes comprehensive machinery test reports and video outgoing inspection to verify dimensional accuracy and structural integrity.
Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your investment.
Material Quality: High-performance casting materials ensure durability and longevity in demanding diesel engine environments.
FAQ
Q: How can I confirm this 4990448 cylinder block fits my engine? A: Verify your engine model is the Cummins 6D107. Check the existing part number on your current cylinder block—if it matches 4990448, this is a direct replacement. We recommend consulting your equipment’s parts manual or a qualified diesel mechanic for confirmation, especially for specialized applications.
Q: What installation precautions should I take? A: Professional installation is strongly recommended. Ensure the engine block deck surface is clean and free of debris. Use new gaskets and seals during reassembly. Follow the manufacturer’s torque specifications and tightening sequence for cylinder head bolts. Properly lubricate all moving components before startup.
Q: What is the typical lead time for international shipping? A: Standard shipping to major international ports typically takes 7-15 business days depending on destination. Express options (3-7 days) are available for urgent orders. We provide tracking information for all shipments and can arrange door-to-door delivery for most locations.
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