6LT Cylinder Liner 5478894 for Cummins Engine Parts – Excavator, Forklift, Truck

Product Details

Product Overview

This is a high-quality 6LT Cylinder Liner, identified by the part number 5478894, specifically designed for use with Cummins engine parts in heavy-duty applications. As a critical component of the engine’s cylinder block, this liner provides a durable, precision-machined surface for piston operation, ensuring optimal compression and combustion efficiency.

Manufactured to OEM size specifications, this liner is suitable for a wide range of industrial machinery, including excavators, forklifts, trucks, loaders, bulldozers, and buses. While primarily associated with the Cummins 6LT engine model, it is commonly used in various diesel-powered equipment where a robust and reliable cylinder liner is required. The product is sourced from a professional manufacturer in Guangdong, China, offering a balance of quality and cost-effectiveness for global B2B buyers.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM size standards (5478894) for a seamless fit with Cummins 6LT engine blocks, reducing installation time and ensuring reliable performance.
• Durable Construction: Made from high-grade materials to withstand extreme temperatures, high pressure, and continuous friction, extending the service life of the engine.
• Enhanced Engine Performance: Provides a smooth, consistent cylinder wall surface that improves piston ring sealing, reduces oil consumption, and maintains compression for better fuel efficiency.
• Versatile Application: Suitable for a broad range of heavy equipment, including excavators, forklifts, trucks, loaders, and buses, making it a valuable stock item for parts distributors and fleet operators.
• Rigorous Quality Control: Each unit undergoes outgoing inspection and machinery test reports are provided, ensuring the part meets strict quality standards before shipment.
• OEM Service Available: Custom branding and packaging options are available for bulk orders, supporting private label or specific OEM requirements.
• Cost-Effective Solution: Offers a reliable aftermarket alternative to genuine OEM parts without compromising on fit or function, ideal for maintenance and repair operations.

Technical Specifications

OEM Cross-Reference

This cylinder liner is a direct aftermarket replacement for the following OEM part numbers:

• Cummins Part Number: 5478894
• Related OEM Numbers: 3917280, 3922197, 3945112 (Please verify with your original part for exact match)

Note: Always cross-reference your existing part number with the list above to confirm compatibility before purchasing.

Compatibility

This 6LT Cylinder Liner (5478894) is commonly used for the following applications:

• Engine Models: Cummins 6LT (6.7L / 6.8L series)
• Vehicle/Equipment Types:
  • Excavators
  • Forklifts
  • Trucks (Medium-duty)
  • Wheel Loaders
  • Bulldozers
  • Buses
  • Agricultural machinery

Important: Fitment may vary by specific engine serial number or equipment model. We recommend verifying the part number and physical dimensions with your existing liner or engine service manual before installation.

Global Supply & Distribution

We offer worldwide shipping to support B2B buyers across all major markets. Our logistics network ensures fast and reliable delivery to industrial centers, ports, and warehouses in North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.

With extensive export experience, we handle international trade compliance, including customs documentation and packaging for safe transit. Whether you need a single unit for a repair shop or bulk quantities for a national distribution network, we can fulfill your order with competitive lead times.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities in Guangdong, China, using precision casting and machining processes.
• Testing: Each cylinder liner is inspected for dimensional accuracy, surface finish, and material integrity. A Machinery Test Report is provided with each shipment to confirm quality.
• Warranty: Backed by a 6-month warranty against manufacturing defects, ensuring peace of mind for your purchase.
• Inspection: Video outgoing inspection is available upon request, allowing you to verify the product before shipping.

FAQ

1. How do I confirm if this 5478894 cylinder liner fits my Cummins 6LT engine?

To ensure a correct fit, please check the part number on your original cylinder liner. It should match 5478894 or a cross-referenced number like 3917280. Additionally, measure the liner’s outer diameter, inner diameter, and flange height against your engine block specifications. If you are unsure, contact our support team with your engine serial number for verification.

2. What is the recommended installation procedure for this cylinder liner?

Installation should be performed by a qualified diesel mechanic. Key steps include: cleaning the cylinder bore thoroughly, applying a thin layer of lubricant or sealant (if specified by the engine manual), and using a liner press to seat the liner evenly. Avoid tapping or hammering directly on the liner, as this can cause distortion. After installation, check the liner protrusion height to ensure it is within the engine manufacturer’s tolerance.

3. How can I maximize the service life of this cylinder liner in a heavy-duty excavator?

Regular maintenance is crucial. Use high-quality diesel engine oil and change it at the recommended intervals. Ensure the coolant system is properly maintained to prevent overheating, which can warp the liner. Additionally, check and replace piston rings and seals during an overhaul to prevent excessive wear. For excavators operating in dusty conditions, ensure the air filtration system is efficient to minimize abrasive particle ingress.