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Product Details
Product Overview
This high-quality piston assembly, identified by OEM part number 3801819 (also cross-referenced as 3048808), is specifically designed for the NT855 diesel engine platform. Manufactured to strict OEM specifications, this piston is a critical component for maintaining compression, power output, and fuel efficiency in heavy-duty industrial engines.
Commonly used in a wide range of construction, mining, agricultural, and power generation equipment, this piston assembly ensures reliable performance and long service life. As a direct replacement part, it offers a cost-effective solution without compromising on quality or durability.
Key Features & Benefits
OEM Specification Fitment: Manufactured to match the exact dimensions and tolerances of the original NT855 piston, ensuring a precise fit and reliable operation.
Durable Construction: Built from high-strength alloy materials to withstand extreme combustion pressures and temperatures, reducing the risk of premature failure.
Enhanced Engine Performance: Restores compression and reduces blow-by, leading to improved fuel economy, increased horsepower, and lower emissions.
Direct Replacement: Designed as a direct swap for the original part (3801819 / 3048808), minimizing downtime during engine overhaul or repair.
Comprehensive Quality Check: Each piston assembly undergoes a rigorous outgoing inspection to verify dimensional accuracy and surface finish.
Cost-Effective Solution: Provides a premium aftermarket alternative to dealer-supplied parts, offering significant savings for fleet maintenance and rebuild projects.
Technical Specifications
Specification
Detail
Part Number
3801819
Alternate Part Number
3048808
Engine Model
NT855
Type
Piston Assembly (Piston Assy)
Material
High-Strength Alloy Steel
Weight (per piece)
4 kg
Stock Status
In Stock
Warranty
6 Months
OEM Cross-Reference
This piston assembly is a direct replacement for the following OEM part numbers:
/: 3801819
/: 3048808
Note: Always verify your engine’s specific serial number and current piston part number to confirm compatibility before purchase.
Compatibility
This piston (3801819) is commonly used for the following applications:
Engine Platform: NT855 series diesel engines.
Common Applications: This engine is widely used in heavy-duty equipment such as off-highway trucks, excavators, bulldozers, generator sets, and industrial pumps.
Important: This part is designed specifically for the NT855 engine. Please confirm your engine model and current piston part number to ensure correct fitment.
Global Supply & Distribution
We serve a global network of B2B clients, including engine rebuilders, equipment dealers, and fleet maintenance facilities. Our logistics capabilities ensure fast and reliable delivery to major industrial centers worldwide.
Major Markets: North America, Europe, Asia-Pacific, Middle East, Africa, and South America.
Shipping: Express (DHL, FedEx, UPS), Air Freight, and Sea Freight (FCL/LCL) available.
Export Experience: We are experienced in international trade, customs documentation, and compliance with global shipping regulations.
Ports Served: Fast dispatch from our Chongqing, China warehouse to major global ports.
Quality Assurance
We are committed to providing high-quality replacement parts that meet or exceed OEM standards.
Manufacturing Standards: Parts are produced under strict quality control procedures in an ISO-compliant facility.
Testing: All units are subject to a machinery test report and video outgoing inspection to verify performance and dimensional accuracy.
Warranty: This product is backed by a 6-month warranty against manufacturing defects.
FAQ
Q: How can I confirm this piston (3801819) fits my specific NT855 engine? A: While this part is designed for the NT855 platform, engine configurations can vary. We strongly recommend checking the part number stamped on your current piston or consulting your engine’s service manual. Cross-reference the numbers 3801819 or 3048808 with your existing part to ensure a match.
Q: Is this a complete piston assembly? Does it include rings and a pin? A: This product is listed as a “Piston Assy” (Piston Assembly). Please verify the specific contents of the package with your sales representative, as the assembly may include the piston pin and retaining rings. Piston rings are typically sold separately unless specified.
Q: What is the recommended installation procedure for this piston? A: Installation should be performed by a qualified diesel mechanic. Standard procedures include: 1) Thoroughly cleaning the cylinder bore and piston. 2) Lubricating the piston pin and rings with clean engine oil. 3) Using a proper ring compressor to install the piston into the cylinder. 4) Torquing the connecting rod bolts to the manufacturer’s specifications. Always follow the official NT855 service manual for your specific engine model.
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