NT855 Cylinder Liner 3055099 for Cummins Engine | Excavator & Heavy Duty Parts

Product Details

Product Overview

This high-quality cylinder liner, identified by the OEM part number 3055099, is specifically designed for the Cummins NT855 diesel engine platform. As a critical component within the engine’s combustion chamber, this liner provides a durable, precision-machined surface for piston operation, ensuring optimal compression and efficient power output.

Manufactured to OEM size specifications, this cylinder liner is a direct replacement part. It is commonly used in a wide range of heavy-duty equipment, including excavators, loaders, bulldozers, forklifts, trucks, and buses that are powered by the Cummins NT855 engine. This part is an essential element for engine overhaul or rebuilding projects, helping to restore engine performance and extend service life.

Key Features & Benefits

• OEM Specification Fitment: Manufactured precisely to OEM size standards (Part # 3055099), ensuring a direct, hassle-free replacement for your Cummins NT855 engine without the need for modifications.
• Superior Wear Resistance: Constructed from high-grade materials designed to withstand extreme friction, high temperatures, and combustion pressures, providing a long service life and reducing maintenance intervals.
• Enhanced Engine Performance: A perfectly machined cylinder bore ensures optimal piston ring seal, which maximizes compression, reduces blow-by, and improves fuel efficiency and overall engine power.
• Rigorous Quality Control: Each liner undergoes strict inspection procedures, including machinery test reports and video outgoing inspections, guaranteeing dimensional accuracy and surface finish.
• Versatile Application: Suitable for a broad range of heavy equipment, from construction machinery (excavators, loaders) to industrial vehicles (forklifts, trucks) and agricultural equipment, making it a versatile stock item for workshops.
• Complete Overhaul Solution: Ideal for use as part of a full engine rebuild kit, ensuring all wear components are replaced simultaneously for balanced performance and reliability.

Technical Specifications

OEM Cross-Reference

This cylinder liner is a direct replacement for the following OEM part numbers. Please verify your existing part number against this list to ensure correct fitment:

• Cummins OEM: 3055099
• Alternative Reference: AR70590 (Supercedes/Alternative Number)
• Note: Always confirm the engine model (NT855) and liner size (Standard) before purchase.

Compatibility

This part is specifically engineered for the Cummins NT855 engine series. It is commonly used for maintenance and overhaul in the following applications:

• Construction Machinery: Excavators, Bulldozers, Wheel Loaders
• Material Handling: Large Forklifts
• On-Highway Vehicles: Heavy-duty Trucks and Buses
• Industrial/Agricultural: Generators and other industrial equipment utilizing the NT855 engine platform.

Fitment is inferred based on the engine model. Please verify your engine serial number and liner size for exact compatibility.

Global Supply & Distribution

We provide efficient, worldwide shipping for this Cummins NT855 cylinder liner, ensuring that critical engine parts reach your workshop or job site with minimal delay. Our logistics network supports fast delivery to major ports and industrial hubs across the globe.

• North America: Fast shipping to the USA, Canada, and Mexico.
• Europe: Reliable delivery to the UK, Germany, France, Netherlands, and all EU countries.
• Asia-Pacific: Efficient service to Australia, New Zealand, Singapore, Japan, and key Asian markets.
• Middle East & Africa: Dedicated shipping to UAE, Saudi Arabia, South Africa, and Nigeria.
• South America: Coverage for Brazil, Chile, Argentina, and Peru.

We have extensive experience in international trade, handling customs documentation and ensuring compliance for smooth global transactions.

Quality Assurance

We are committed to delivering parts that meet the highest standards of reliability and performance. Our quality assurance process ensures you receive a component you can trust.

• Manufacturing Standard: Manufactured in ISO-certified facilities (Guangdong, China) with strict adherence to OEM dimensional tolerances.
• Testing: Each batch includes machinery test reports to verify hardness, material composition, and surface finish. Video outgoing inspection is available upon request to provide visual confirmation of quality.
• Warranty: This product comes with a 6-month warranty against manufacturing defects, giving you confidence in your engine overhaul investment.

FAQ

Q: How do I confirm this cylinder liner 3055099 fits my specific engine?
A: While this liner is designed for the Cummins NT855 engine, it is critical to verify the engine model number on your engine data plate. Also, check if your engine requires a standard (OEM) size liner or a service (oversize) liner. This specific part is for standard OEM size. We recommend comparing the dimensions of your old liner with the specifications provided.

Q: What is the proper installation procedure for a cylinder liner?
A: Installation should be performed by a qualified diesel mechanic. The process typically involves thoroughly cleaning the cylinder block bore, checking for proper liner protrusion (height above the block deck), and ensuring the liner is seated correctly. A liner installer tool is recommended to avoid damaging the liner or block. Always follow the Cummins NT855 service manual for specific torque and fitting instructions.

Q: Can I use this liner with a piston ring set from a different brand?
A: For optimal performance and longevity, it is highly recommended to use a complete matched set of piston rings and liners from the same supplier or a reputable manufacturer. Mixing brands can lead to incorrect ring end gaps or improper seating, which may cause excessive oil consumption, blow-by, or premature wear. For best results, inquire about a full overhaul kit for your NT855 engine.