380347 Genuine Cummins Piston Ring Set for NTA855 NT855 NH855 Engines

Product Overview:

The Cummins 3803471 is a genuine CCEC piston ring set.specifically for the legendary 855 series diesel engines. As the most searched and widely used piston ring for NTA855 engines worldwide, this Premium Plus ring set features a proven 4-ring configuration with a steel oil ring, delivering exceptional sealing performance, wear resistance, and durability in the most demanding operating conditions .

Technical Specifications & Design Features:
✅Bore Diameter: 139.7mm (5.500") standard size
✅Ring Configuration: 4 rings per cylinder (3 compression rings + 1 steel oil ring)
✅Material Construction: High-strength alloy cast iron base with chrome-plated top ring for superior wear and heat resistance
✅Surface Treatments: Chrome plating, nitridation, and phosphating for enhanced corrosion protection and reduced friction
✅Precision Engineering: Manufactured to strict Cummins OEM tolerances, ensuring perfect fitment and optimal cylinder pressure retention

Primary Applications:

✅Construction Machinery: Excavators, bulldozers (Shantui, Xuanhua), loaders, and graders
✅Power Generation: 200-400kW diesel generator sets for prime and standby power
✅Marine Propulsion: Workboats, fishing vessels, and auxiliary marine engines
✅Mining Equipment: Underground loaders, haul trucks, and drilling rigs
✅Oil & Gas: Fracturing trucks, pump units, and well servicing equipment
✅Heavy-Duty Trucks: Long-haul and vocational trucks operating in extreme environments

Key Features:

✅Superior Sealing: Minimizes blow-by gases, maintains optimal compression, and maximizes engine power output
✅Extended Service Life: Advanced materials and surface treatments provide up to 30% longer lifespan compared to standard aftermarket rings
✅Reduced Oil Consumption: Precision-designed steel oil ring effectively controls lubrication, preventing excessive oil burning
✅Improved Heat Dissipation: Efficiently transfers heat from the piston to the cylinder wall, reducing operating temperatures
✅Cost-Effective Solution: Genuine quality at competitive pricing, backed by Cummins' global engineering expertise

Why Choose Us？

✅Genuine CCEC original quality, reliable performance

✅CCEC Authorized Agent Wholesale price to save repair cost

✅Large stock, fast worldwide delivery

✅Perfect fit for multiple engine models

✅Professional matching and after-sales support