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Product Details
Product Overview
This high-quality NT855 engine piston, bearing the OEM reference number 3051555, is a critical component designed for Cummins NT855 series diesel engines. As a direct replacement part, this piston is engineered to restore engine performance, compression, and reliability in heavy-duty machinery. It is commonly utilized in applications such as excavators, trucks, forklifts, bulldozers, buses, and loaders.
Manufactured to match OEM size and specifications, this piston ensures a precise fit within the NT855 engine block. It is an ideal solution for maintenance, overhaul, or rebuild projects, providing a cost-effective alternative to genuine OEM parts without compromising on quality or durability.
Key Features & Benefits
Precise OEM Fitment: Manufactured to the exact OEM size (3051555) for seamless installation in Cummins NT855 engines, minimizing downtime and ensuring a proper seal.
Durable Construction: Built from high-grade materials to withstand extreme combustion pressures and temperatures, offering long service life in demanding environments.
Enhanced Engine Performance: Restores compression and power output, improving fuel efficiency and reducing exhaust emissions.
Versatile Application: Suitable for a wide range of heavy equipment, from construction machinery to commercial trucks and industrial vehicles.
Rigorous Quality Control: Each piston undergoes strict dimensional and material testing, with a machinery test report provided to confirm quality standards.
Reliable Aftermarket Support: Backed by a 6-month warranty, providing peace of mind for B2B buyers and fleet operators.
Technical Specifications
Specification
Details
Part Number
3051555
Engine Model
NT855 (Cummins)
Part Type
Piston
Engine Type
Diesel
Size
OEM Standard Size
Weight
Approx. 6 kg
Material
High-Strength Alloy (OEM Specification)
Warranty
6 Months
Testing
Machinery Test Report Provided
Place of Origin
Guangdong / Guizhou, China
OEM Cross-Reference
This piston is a direct replacement for the following OEM and reference numbers:
Cummins OEM: 3051555
Alternate/Cross Numbers: AR70212, AR70213, AR70214 (Verify for specific engine build)
Compatibility
This piston is specifically designed for the Cummins NT855 engine platform. It is commonly used for the following vehicle and equipment types:
Excavators: Various models from Komatsu, Caterpillar, and Hitachi using NT855 engines.
Trucks & Buses: Heavy-duty trucks and long-haul buses equipped with the NT855 series.
Loaders & Bulldozers: Wheel loaders, crawler dozers, and other construction machinery.
Forklifts: Large capacity forklifts used in ports and industrial yards.
Note: Always verify engine serial number and piston specifications before purchase to ensure compatibility.
Global Supply & Distribution
We offer worldwide shipping capabilities, ensuring fast and reliable delivery to major industrial ports and distribution centers globally. Our key export markets include:
North America: USA, Canada, Mexico
Europe: Germany, UK, Netherlands, France, Poland
Asia-Pacific: Australia, Japan, South Korea, Singapore, Indonesia
Middle East & Africa: UAE, Saudi Arabia, South Africa, Nigeria
South America: Brazil, Chile, Argentina
We specialize in efficient logistics for B2B shipments, including air freight for urgent orders and sea freight for bulk purchases. Our team ensures proper export documentation and customs compliance for international trade.
Quality Assurance
Each piston is manufactured in ISO-certified facilities in China, adhering to strict quality control protocols. Key quality measures include:
Material Verification: Raw materials are tested for chemical composition and mechanical properties.
Dimensional Accuracy: Precision machining ensures the piston matches OEM tolerances for diameter, pin bore, and ring groove depth.
Performance Testing: A machinery test report is provided with each order, confirming the part meets operational standards.
Warranty Coverage: All parts are covered by a 6-month warranty against manufacturing defects, offering reliable after-sales support.
FAQ
Q: Is this piston a direct replacement for the original Cummins part? A: Yes, this piston (3051555) is manufactured to OEM specifications. It is a direct replacement for the genuine Cummins NT855 piston. We recommend comparing the piston diameter, compression height, and pin bore with your existing part to confirm fitment.
Q: Can this piston be used during a complete engine overhaul? A: Absolutely. This piston is ideal for engine overhauls. For best results, we recommend replacing the piston rings, cylinder liners, and connecting rod bearings simultaneously. Always follow the engine manufacturer’s service manual for torque specifications and installation procedures.
Q: What is the typical lead time for international orders? A: For stock items, orders are typically dispatched within 1-3 business days. Shipping time depends on the destination and method chosen. Air freight to major hubs usually takes 5-7 days, while sea freight may take 20-35 days. Please contact us for precise delivery estimates for your location.
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