N14 Piston Ring 4089489 4295801 3803358 for Cummins Engine Excavator Truck Parts

Product Details

Product Overview

This high-performance piston ring set is engineered for the Cummins N14 diesel engine, a workhorse commonly found in heavy-duty excavators, trucks, forklifts, bulldozers, and loaders. Specifically identified by OEM part numbers 4089489, 4295801, and 3803358, this ring set is a critical component for maintaining compression, controlling oil consumption, and ensuring optimal combustion efficiency.

Manufactured to OEM standard dimensions, this piston ring set is designed for direct replacement in N14 series engines. Whether you are rebuilding a truck engine for long-haul reliability or restoring power to an excavator on a construction site, these rings provide the necessary sealing performance to restore your engine to its original specifications. We recommend verifying your engine’s specific ring groove dimensions and ring profile before installation to ensure a precise fit.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to match the exact dimensions and material composition of the original Cummins parts (4089489, 4295801, 3803358), ensuring a direct, hassle-free installation.
• Durable Material Construction: Built from high-grade cast iron and steel alloys with advanced wear-resistant coatings to withstand the extreme pressures and temperatures inside a heavy-duty diesel cylinder.
• Optimized Oil Control: Designed with precise oil ring tension and groove geometry to minimize oil consumption while providing consistent cylinder wall lubrication, extending engine life.
• Enhanced Compression Seal: The top compression ring features a barrel-faced design for rapid seating and a gas-tight seal, restoring lost power and improving fuel economy.
• Reliable Performance: Rigorously tested for hardness, tensile strength, and dimensional accuracy to deliver reliable performance in demanding applications like excavators and trucks.
• Cost-Effective Rebuild Solution: Provides a significant cost savings compared to purchasing genuine OEM branded parts while maintaining a high-performance standard for engine overhaul projects.

Technical Specifications

OEM Cross-Reference

This piston ring set is a direct aftermarket replacement for the following genuine OEM part numbers. Please verify your engine’s serial number or existing part number to confirm compatibility.

• Primary OEM Number: 4089489
• Alternative OEM Number 1: 4295801
• Alternative OEM Number 2: 3803358

Note: These numbers may supersede other variations. Always cross-check with your existing ring set.

Compatibility

This piston ring set is commonly used for the following applications. Fitment is based on the engine model and part number cross-reference provided.

• Engine: Cummins N14 Series (including N14-410, N14-435, N14-460 variants)
• Vehicle/Equipment Applications:
  • Excavators
  • Heavy-Duty Trucks
  • Forklifts
  • Bulldozers
  • Buses
  • Wheel Loaders
  • Other industrial equipment powered by the Cummins N14

Global Supply & Distribution

We offer worldwide shipping and maintain a robust supply chain to serve international B2B buyers. Our distribution network ensures fast and reliable delivery to major industrial centers across the globe.

• Major Markets Served: North America, Europe (EU), Southeast Asia, Middle East (GCC), Africa, South America, and Oceania.
• Shipping Capabilities: We partner with major freight forwarders (DHL, FedEx, UPS, and sea freight consolidators) to offer cost-effective shipping solutions, whether for sample orders or full container loads (FCL/LCL).
• Logistics: Efficient dispatch from our warehouses in Guangdong and Guizhou, China, with quick transit times to major ports like Shenzhen, Guangzhou, and Shanghai.
• Trade Compliance: Experienced in international export documentation and customs clearance for automotive and heavy machinery parts.

Quality Assurance

Quality is paramount in the heavy-duty engine parts industry. We adhere to strict manufacturing standards to ensure every product meets performance expectations.

• Manufacturing Standard: Produced under ISO 9001 quality management systems.
• Testing: Each batch undergoes rigorous dimensional inspection, material hardness testing, and surface finish analysis. A Machinery Test Report is available upon request.
• Inspection: Video outgoing inspection can be provided for bulk orders to verify packaging and product quality before shipment.
• Warranty: Backed by a 6-month warranty against manufacturing defects in materials and workmanship.

FAQ

Q: How do I confirm these rings (4089489/4295801/3803358) will fit my specific N14 engine?
A: While these part numbers are standard for the N14 series, variations exist between early and late model engines. We recommend removing one of your old rings and measuring the width (axial thickness) and radial depth. Also, verify if your engine requires a keystone or rectangular compression ring profile. If your old ring matches the dimensions of a standard set, these will fit. If not, please contact us with your engine serial number (ESN) for confirmation.

Q: What is the recommended installation procedure for these piston rings?
A: Installation should be performed by a qualified diesel mechanic. Key steps include: 1) Deglaze or hone the cylinder walls to the correct cross-hatch pattern. 2) Clean the ring grooves thoroughly. 3) Install the rings using a quality piston ring expander to avoid twisting. 4) Stagger the ring gaps 120 degrees apart (do not align them with the wrist pin). 5) Ensure the oil ring expander ends do not overlap. Always follow the Cummins N14 service manual for specific torque specs and procedures.

Q: Do these rings require a break-in period?
A: Yes. After installation, a proper break-in is crucial for ring seating. Start the engine and allow it to reach operating temperature. Avoid prolonged idling. Perform a series of light to moderate load cycles (varying RPM) for the first hour of operation. Do not hold the engine at a constant high RPM or maximum load during this period. After the break-in, change the engine oil and filter to remove any initial wear particles. Always use the correct API-rated diesel engine oil.