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Cummins NT855 Engine Parts Catalog – High-Quality Aftermarket Solutions

Introduction to Cummins NT855 Engines

The Cummins NT855 engine is a legend in the world of heavy-duty power. Known for its inline six-cylinder configuration, robust construction, and high torque output, the NT855 is a go-to engine for industrial applications such as oil and gas operations, welding rigs, mining equipment, and rail systems. Its durability and power make it a favorite among operators who need reliable performance in the harshest conditions.

At Diesel Pro Power, we understand the urgency of keeping your NT855 engines running smoothly. That’s why we offer a comprehensive catalog of aftermarket Cummins NT855 parts, providing a cost-effective, high-quality alternative to OEM parts. Whether you’re overhauling an engine or replacing a failed component, we have what you need—ready to ship worldwide within 24 hours.


Why Choose Diesel Pro Power for Cummins NT855 Engine Parts?

1. Expert Customer Service

Our team of diesel engine specialists is here to assist you every step of the way. Whether you need help identifying parts, recommendations on compatible components, or guidance on installation, we provide personalized support via phone or email.

2. 24-Hour Worldwide Shipping

Our global distribution network and extensive inventory enable us to ship all orders within 24 hours, offering the widest choice of shipping options to meet your schedule.

3. Secure, User-Friendly Website

Designed for both experts and beginners, our website is easy to navigate, fast, and accurate. You can shop with confidence knowing your information is protected with the latest security updates.

4. Proven Track Record

With over 40,000 satisfied customers worldwide, Diesel Pro Power has built a reputation for reliability, exceptional service, and high-quality aftermarket solutions.

Extensive Catalog of Parts for Cummins NT855 Engines

Engine Overhaul Kits for Cummins NT855 Engines

Our comprehensive engine overhaul kits are meticulously designed to restore your NT855 engine to its optimal performance. These kits include:

  • Cylinder Liners and Pistons: Precision-engineered components ensuring optimal compression and durability.

  • Complete Gasket Sets: Upper and lower gasket kits to reseal the engine and prevent leaks.

  • Bearings and Seals: For crankshaft, camshaft, and connecting rod assemblies, ensuring smooth operation.

These aftermarket kits meet or exceed OEM standards, offering a cost-effective solution to extend the life of your Cummins NT855 engine.

Gauges and Monitoring Components for Cummins NT855

Monitor your engine's vital parameters with our selection of gauges, including:

  • Oil Pressure and Temperature Gauges: For early detection of lubrication issues.

  • Tachometers: Monitor engine RPM to maintain efficiency.

  • Fuel and Water Temperature Gauges: Critical for safe operation.

These instruments provide accurate readings, helping you detect potential issues before they escalate.

Engine Water Pumps and Accessories for Cummins NT855

Efficient cooling is crucial for the NT855 engine. Our engine water pumps are built to handle high-flow demands in various applications. Available accessories include:

  • Thermostats: For precise coolant temperature regulation.

  • Radiator Cleaners: To remove scale and deposits from the cooling system.

  • Pump Seals and Gaskets: For leak-free installation.

These components ensure your engine maintains optimal operating temperatures.

Marine Water Pumps and Accessories for Cummins NT855

For marine applications, our marine water pumps are constructed with corrosion-resistant materials to withstand harsh saltwater environments. Available options include:

  • Pump Assemblies: For consistent cooling performance in marine conditions.

  • Zinc Anodes and Strainers: Protect your pump and system from corrosion and debris.

  • Thermostats: Ensure proper engine temperature control.

These pumps are essential for maintaining engine performance in marine settings.

Cylinder Heads and Related Components for Cummins NT855

Maintain compression integrity and airflow efficiency with our range of cylinder heads and components, including:

  • Complete Cylinder Heads: Available with or without valves and springs.

  • Injector Tubes, Seals, and Gaskets: For precise fuel delivery and leak-free operation.

  • Replacement Valves and Springs: Ensure optimal sealing and performance.

These components are designed to meet the rigorous demands of industrial applications.

Fuel Pumps and Components for Cummins NT855

Reliable fuel delivery is critical for engine performance. Our fuel pumps and related components feature:

  • High-Pressure Output: For consistent fuel delivery.

  • Seals and Gaskets: To prevent leaks and maintain system pressure.

  • Fuel Lines and Connectors: Ensure secure connections.

These aftermarket parts are engineered for durability and efficiency.

Turbochargers and Components for Cummins NT855

Enhance your engine's power output with our turbochargers and related components:

  • Turbocharger Assemblies: Improve combustion efficiency.

  • Gaskets, Seals, and Clamps: For secure installation.

  • Intercooler Hoses and Clamps: Ensure optimal airflow.

These components are designed to boost engine performance and fuel efficiency.

Oil System Components for Cummins NT855

Maintain proper lubrication with our selection of oil system components, including:

  • Oil Coolers and Filters: Keep engine oil at optimal temperatures and cleanliness.

  • Oil Pressure Switches: Monitor oil pressure to prevent engine damage.

  • Seals and Gaskets: Ensure leak-free operation.

These parts are essential for prolonging engine life and performance.

Crankshafts and Related Components for Cummins NT855

Ensure smooth engine operation with our crankshafts and associated components:

  • Precision-Machined Crankshafts: For balanced engine performance.

  • Main and Rod Bearings: Reduce friction and wear.

  • Thrust Washers and Seals: Maintain proper axial alignment.

These components are vital for the engine's rotating assembly.

Camshafts and Related Components for Cummins NT855

Maintain precise valve timing with our camshafts and related parts:

  • Camshaft Assemblies: Engineered for durability and performance.

  • Cam Followers and Bushings: Ensure smooth operation.

  • Timing Gears and Keys: Maintain synchronization.

These parts are crucial for optimal engine breathing and efficiency.

Connecting Rods and Related Components for Cummins NT855

Maintain engine balance and integrity with our connecting rods and components:

  • High-Strength Steel Construction: For durability under high-load conditions.

  • Bearing Sets and Bolts: For secure installation.

  • Bushings: Ensure proper wrist pin fitment.

These components are designed to withstand the stresses of heavy-duty applications.

Piston Kits and Related Components for Cummins NT855

Our piston kits are essential for rebuilding the combustion chamber of your NT855 engine. Kits include:

  • Pistons, Rings, Wrist Pins, and Clips: Available in standard and oversized options.

  • Cylinder Liners: Ensure smooth piston movement and seal integrity.

  • Piston Ring Sets: Provide optimal sealing and compression.

These kits restore engine power and efficiency.

Exhaust Components and Accessories for Cummins NT855

Control emissions and maintain performance with our exhaust components:

  • Manifolds, Elbows, Gaskets, and Clamps: For leak-free exhaust routing.

  • Insulation Wraps: Protect nearby components from heat.

  • Mufflers and Caps: Reduce noise and direct exhaust flow.

These parts are designed for durability and performance.

Gaskets and Seals for Cummins NT855

Prevent leaks and maintain system integrity with our gasket sets, including:

  • Cylinder Head Gaskets: Ensure proper sealing of combustion chambers.

  • Exhaust and Intake Manifold Gaskets: Prevent air and exhaust leaks.

  • Oil Pan and Water Pump Gaskets: Maintain fluid containment.

These components are essential for engine reliability.

Sensors and Switches for Cummins NT855

Monitor and control engine systems with our sensors and switches, including:

  • Oil Pressure and Temperature Sensors: Provide critical engine data.

  • Fuel Pressure and Coolant Sensors: Monitor vital parameters.

  • Switches for Oil, Fuel, and Coolant Systems: Ensure proper system operation.

These devices help prevent engine damage by alerting operators to potential issues.

Manuals and Tools for Cummins NT855

Access essential resources and tools for maintenance and repair:

  • Service Manuals: Step-by-step instructions and diagrams.

  • Specialty Tools: For precise adjustments and installations.

  • Diagnostic Equipment: Identify and troubleshoot engine issues.

These resources are invaluable for technicians and operators.

Starters and Alternators for Cummins NT855

Ensure reliable engine starts and electrical power with our starters and alternators:

  • High-Torque Starters: For dependable engine cranking.

  • Heavy-Duty Alternators: Maintain electrical system performance under load.

  • Mounting Hardware: For secure installation.

These components are built to withstand demanding conditions.

Hoses, Clamps, and Related Components for Cummins NT855

Secure fluid connections with durable hoses and clamps, including:

  • Coolant and Oil Hoses: Designed for high-pressure systems.

  • Heavy-Duty Clamps and Fittings: For leak-free performance.

  • Silicone Hoses: Offer superior heat resistance.

These parts ensure reliable fluid transfer and containment.

Fuel Filters for Cummins NT855

Protect your engine from contaminants with our fuel filters:

  • Fuel Filters and Water Separators: Remove impurities and prevent injector damage.

  • Filter Removal Tools: Simplify maintenance.

  • Mounting Brackets: For secure installation.

Clean fuel is essential for engine longevity and performance.

Oil Filters for Cummins NT855

Maintain engine cleanliness with our oil filters:

  • High-Efficiency Filters: Capture contaminants effectively.

  • Filter Housings and Seals: Ensure leak-free operation.

  • Bypass Valves: Protect engine during cold starts.

Regular oil filtration is key to engine health.

33C Marine Cable (3/16") for Cummins NT855

Our 33C marine cables are designed for throttle and shift applications in marine environments:

  • Smooth Operation: For precise control.

  • Corrosion-Resistant Materials: Ensure longevity.

  • Various Lengths: To suit different installations.

These cables are essential for marine engine control systems.

43C Marine Cable (1/4") for Cummins NT855

The 43C marine cables are suitable for heavy-duty marine applications:

  • Robust Construction: For durability under load.

  • Flexible Design: Allows for easy routing.

  • Corrosion Resistance: Ideal for harsh marine environments.

These cables provide reliable control in demanding conditions.

Industrial Cables for Cummins NT855

Our industrial cables are built for durability and flexibility, suitable for various control applications:

  • High-Strength Materials: For long service life.

  • Custom Lengths: To fit specific requirements.

  • Versatile Use: Applicable in multiple industrial settings.

These cables ensure dependable performance in control systems.

Paint and Sealant for Cummins NT855

Protect and maintain your engine with our range of paints and sealants:

  • Engine Paints: Resist heat and chemicals.

  • Sealants: Prevent leaks and ensure proper sealing.

  • Application Tools: For easy and precise use.

These products help preserve engine appearance and integrity.

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