Cummins Engine Parts

Find top-quality Cummins engine parts for all models at Diesel Engine Parts Inc. From OEM to high-performance aftermarket options, enhance your engine reliability and performance. Fast shipping is available!

Overview of Cummins Engine Parts

Cummins is renowned for its durable and high-performance engine components, essential for maintaining the optimal functionality of vehicles and machinery. Our selection encompasses a wide range of Cummins engine parts designed to meet or exceed original equipment manufacturer (OEM) specifications.

Cummins Cylinder

3283750 cylinder head gasket
3283750 cylinder head gasket

It’s designed to handle high-pressure conditions within the engine and to withstand the thermal expansion and contractions of the engine components, ensuring a lasting seal.

3966448 Cylinder head
3966448 Cylinder head

It is designed to enhance combustion, ensure the efficient flow of air and fuel, and maintain the integrity of the combustion chamber under high operational stresses.

5259423 Cylinder head
5259423 Cylinder head

Its design and construction are engineered to meet the demanding specifications required for heavy-duty diesel engines used across various construction machinery and vehicles.

4386009 Double Camshaft Cylinder Head
4386009 Double Camshaft Cylinder Head

It affects everything from fuel efficiency to the reliability of the vehicle’s powertrain by ensuring proper air and fuel delivery, combustion chamber sealing, and exhaust gas expulsion.

5394197RX ISX15 Sylinder Head
5394197RX ISX15 Cylinder Head

The 5394197RX ISX15 Cylinder Head is a critical component designed to improve the overall performance and efficiency of Cummins ISX15 engines.

cylinder liner 3801826
cylinder liner 3801826

It is designed to protect the engine block, aid heat dissipation, and provide a smooth and robust surface for the piston to move against.

4308809 cylinder liner
4308809 cylinder liner

It is crucial for maintaining the structural integrity of the engine block, enabling heat transfer, reducing wear-induced friction, and ensuring the proper functioning of Cummins K19, KTA19, and QSK19 engines.

NTA855 cylinder liner 3055099
NTA855 cylinder liner 3055099

It is designed to ensure the effective operation and longevity of Cummins NTA855 and similar engines. It plays a pivotal role in forming the combustion chamber, thermal management, wear protection, and overall engine efficiency.

Cummins Filters&Seals

cummins FS1212 fleetguard fuel filter
Cummins FS1212 fleetguard fuel filter

Its primary function is to separate water and impurities from the fuel effectively, safeguard critical engine parts from damage, and prevent water-related corrosion. It also ensures exceptional engine efficiency by supplying only the cleanest fuel.

Cummins M11 valve seal 3328781
Cummins M11 valve seal 3328781

Its main function is to prevent engine oil from leaking into the combustion chamber while allowing the valve stem to move freely. This maintains the lubrication needed for the valve’s operation without contaminating the engine’s air-fuel mixture.

Cummins Pistons

Cummins NTA855 piston ring 4089810
Cummins NTA855 piston ring 4089810

It ensures a tight seal within the combustion chamber, thus preventing the escape of gases, enhancing fuel efficiency, and maximizing engine power. Additionally, it regulates oil consumption to maintain proper lubrication and minimizes pistons.

Cummins NTA855 piston 3048808
Cummins NTA855 piston 3048808

It forms part of the internal combustion engine’s main moving components, playing a vital role in the engine’s functionality by transforming the energy generated during fuel combustion into mechanical motion. This energy conversion drives the engine’s crankshaft rotation, thus powering the vehicle or machinery.

Cummins KTA19 piston 3096682
Cummins KTA19 piston 3096682

It ensures optimal engine performance through efficient combustion processes and is built to withstand the rigorous conditions of high pressure and temperature inside the engine cylinders. The part is recognized for its high quality and reliability, contributing to the engines’ durability and longevity.

Cummins KTA38 piston 3096685
Cummins KTA38 piston 3096685

Constructed with high-quality materials, this piston is explicitly engineered to withstand high pressures and extreme temperatures found within the cylinders of these engines. It is instrumental in ensuring the efficient performance and long service life of the Cummins KTA38 and other associated engines.

Cummins Gaskets

4959090 Cummins gasket rocker lever housing
4959090 Cummins gasket rocker lever housing

It is designed to ensure a secure and tight seal within the engine. This gasket serves the crucial purpose of preventing oil leaks and maintaining the integrity of the engine compartment, ensuring that the internal combustion process operates efficiently.

4bt3.9G2 overhaul gasket kit
4bt3.9G2 overhaul gasket kit

Its primary function is to ensure a proper and effective seal throughout the engine, preventing leaks and securing the internal components as they operate under various temperatures and pressures.

Cummins Pumps

Cummin M11 L10 oil pump
Cummin M11/L10 oil pump

It reduces friction and wear on moving parts by drawing oil from the oil pan and delivering it to various components. This includes the crankshaft, camshaft, and bearings. It also provides clean, pressurized oil for optimal performance and longevity while cooling the engine.

Cummins 5291050 Engine Oil Pump
Cummins 5291050 Engine Oil Pump

It keeps the engine lubricated, especially the pistons, bearings, and camshaft. This helps engines run well even after many miles. If the oil pressure is low, it must be fixed right away. The oil pump is important for the engine to work well and last long.

Cummins PT fuel pump
Cummins PT fuel pump

It controls the fuel flow to the rail, which feeds all injectors. The injectors are timed to start injection at the right moment for each cylinder. The PT system regulates fuel pressure and allows the injectors to meter orifice it.

Cummins 4BT3.9 water pump
Cummins 4BT3.9 water pump

It continually circulates coolant throughout the engine, transferring heat away from it to keep it at an optimal working temperature and promote longevity and reliable vehicle functioning.

Cummins Engines

NT855-C360S10 engine
NT855-C360S10 engine

It is an inline 6-cylinder diesel engine with a 14-litre displacement. It delivers a power output range of 280-480 HP, providing reliable power, low emissions, and quick response to load changes.

NTA855-C280S10 engine parts
NTA855-C280S10 engine parts

These parts reliably and effectively transform fuel energy into mechanical energy. They ensure the engine operates optimally, offering robustness and good fuel efficiency.

Cummins Injector

Cummins injector repare kit 3801826
Cummins injector repare kit 3801826

The kit acts as a replaceable surface for the cylinder walls, increasing the engine’s lifespan. Additionally, it assists in heat dissipation from the piston and the combustion chamber, aiding in engine cooling and helps restore the engine’s performance by replacing worn-out parts.

Cummins Diesel Fuel Injector Repair Kits 5473014EF
Cummins Diesel Fuel Injector Repair Kits 5473014EF

The kits replace worn-out or damaged components like the nozzle, valve rod, and seal ring, significantly enhancing the injection performance and overall diesel engine system. Additionally, these repair kits provide a cost-effective solution by allowing the replacement of only defective parts instead of an entire injector.

Cummins injector assembly 4061851
Cummins injector assembly 4061851

It effectively delivers fuel into the engine’s combustion chamber, aiding in optimal engine response to throttle with minimal delay. This injector also ensures efficient operation by maintaining a balanced mix of fuel and air, maximizing power output and minimizing fuel consumption.

Cummins NTA855 injector 3054218
Cummins NTA855 injector 3054218

It expertly injects fuel into the combustion chamber, ensuring an adequate engine response to throttle movements and maintaining a smooth engine operation by achieving an optimal balance of fuel and air.

Cummins NTA855 injector 4914537
Cummins NTA855 injector 4914537

Its main responsibility revolves around proficient fuel delivery into the engine’s combustion chamber, allowing for a swift response to throttle movements and optimizing engine functionality.

Cummins fuel injector tool
Cummins fuel injector tool

It is primarily utilized to facilitate the secure removal and installation of fuel injectors, ensuring a precise and damage-free process. The tool kit often includes a fuel injector connector tube remover and adaptor installation tools.

Cummins Bearings

Cummins NTA855 main bearing- std bearing
Cummins NTA855 main bearing- std bearing

It is designed to support the crankshaft as it rotates within the engine block and to withstand the forces exerted by the crankshaft. Properly functioning main bearings reduce friction, support radial and axial loads, and help maintain the alignment of the rotating crankshaft.

Cummins Camshafts

4386009 Double Camshaft Cylinder Head
4386009 Double Camshaft Cylinder Head

The primary function of this double camshaft cylinder head is to facilitate precise control over valve timing and operation, improving airflow into and out of the cylinders. This, in turn, boosts engine power output, fuel efficiency, and emissions performance.

Cummins ISX & QSX4298626 valve camshaft
Cummins ISX & QSX4298626 valve camshaft

Its primary function is to manage the timing and duration of the opening and closing of the engine’s intake and exhaust valves. It ensures the correct mixture of air and fuel is delivered to the engine’s cylinders for combustion.

Cummins NTA855 camshaft bush 3801106
Cummins NTA855 camshaft bush 3801106

It provides a replaceable bearing surface for the engine’s camshaft. These bushes are designed to maintain the camshaft’s proper alignment within the engine block and reduce friction as it rotates.

Cummins Crankshaft

Cummins NTA855 crankshaft 3608833
Cummins NTA855 crankshaft 3608833

It is critical in converting the pistons’ linear motion into rotational motion. The crankshaft is responsible for synchronizing the pistons’ movement with the timing of the valves, ensuring that the engine runs smoothly and efficiently.

Cummins Sensor & Alternator

Cummins 4BT3.9G2 sensor
Cummins 4BT3.9G2 sensor

The Cummins 4BT3.9G2 engine uses various sensors to monitor and control its operation. One specific sensor is the oil pressure sensor. This sensor ensures it operates within safe parameters, preventing potential damage due to low oil pressure.

Cummins 6BT alternator
Cummins 6BT alternator

It converts mechanical energy from the engine’s rotation into electrical energy in the form of alternating current (AC), which is then rectified to direct current (DC) to be compatible with the vehicle’s electrical system and to charge the battery. 

Other Engine Parts

Cummins 4BT3.9G2 sensor
Cummins 4BT3.9G2 sensor

Responsible for drawing oil from the oil pan through a suction tube and distributing it to critical components of the engine to ensure proper lubrication and cooling.

Cummins 6BT alternator
Cummins 6BT alternator

A remanufactured turbocharger that is suitable for various ISX15 engine models. It is designed to deliver enhanced engine performance and efficiency.

Lubricating Oil Pump 5571595
Lubricating Oil Pump 5571595

A critical part of the engine’s lubrication system is responsible for distributing oil to various components to ensure proper lubrication and cooling.

Why Choose Our Cummins Engine Parts

Unmatched Quality and Reliability

OEM Quality and Compatibility

Our parts are manufactured to meet or exceed original equipment manufacturer (OEM) specifications. This ensures perfect compatibility and functionality with your Cummins engines, minimizing the risk of malfunctions or incompatibilities that can arise from aftermarket parts.

Guaranteed Compatibility and Ease of Installation

Durability and Performance

We understand the importance of reliability and efficiency in engine performance. Our Cummins parts are designed to enhance the engine's durability and operational efficiency, providing you with better fuel economy, increased power output, and a longer engine life.

Comprehensive Product Range

Comprehensive Range

Whether you are looking for critical engine components like pistons, injectors, and turbos, or you need maintenance parts such as filters and gaskets, our extensive inventory ensures that you find exactly what you need. This range covers a wide variety of models and engine types, ensuring that your equipment is always running at peak performance.

Expertise and Technical Support

Expert Support

Choosing our Cummins engine parts comes with the added benefit of expert support. Our team of knowledgeable professionals is always available to help you select the right parts for your specific engine model and application. We provide technical advice and troubleshooting assistance to ensure your satisfaction.

Competitive Pricing

Cost-Effective Solutions

We offer competitive pricing on our Cummins engine parts without compromising quality. Our parts provide a cost-effective solution for maintaining and repairing your engine, offering great value over the engine's operational lifespan.

Dedicated Customer Service

Warranty and Trust

With warranties on all our parts, you can trust in the quality and reliability of what you are purchasing. Our commitment to excellence means that you can expect our parts to perform as promised, giving you peace of mind with every purchase.

Request a Quote Today

We are committed to providing not just parts but solutions that enhance the efficiency and productivity of your operations. Request a quote today and experience our quick, reliable service tailored to your needs.

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