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Cummins ISM Engine Parts

Engine Specifications for Cummins ISM

The Cummins ISM is a high-performance, mid-displacement diesel engine known for its excellent fuel economy, responsive acceleration, and long service life. Widely used in vocational trucks, heavy-haul applications, and stationary industrial equipment, the ISM offers a balance of torque and efficiency with the durability expected from a Cummins-built platform.

Key Specifications:

  • Displacement: 10.8 liters (661 cubic inches)

  • Configuration: Inline 6-cylinder

  • Power Output: 280–450 HP

  • Torque Output: Up to 1,550 lb-ft

  • Fuel System: CELECT and CELECT Plus electronic unit injectors

  • Cooling: Water-cooled

  • Emissions: EPA Tier 2 / Tier 3 (depending on configuration)

  • Applications: On-highway trucks, dump trucks, buses, cement mixers, power units, stationary pumps, and compressors

Applications of the Cummins ISM Engine

The Cummins ISM delivers dependable performance across a wide range of industrial and commercial environments, including:

  • Freight and vocational trucks (refuse, dump, and cement)

  • Public transportation and shuttle buses

  • Agriculture and irrigation equipment

  • Construction equipment

  • Stationary generator sets and pump systems

Its mid-size footprint, serviceability, and strong power curve make it a favorite for fleets and operations demanding high uptime and low operating cost.

Cummins ISM Parts Catalog

Diesel Pro Power offers a complete inventory of Cummins ISM engine parts, available online for fast, secure checkout and 24-hour worldwide shipping. Whether you’re performing a full overhaul or replacing a single injector or gasket, we’ve got you covered.

Overhaul Kits for Cummins ISM

Our complete engine overhaul kits restore the performance and longevity of your ISM engine. Kits are available for both standard and CELECT Plus configurations.

Included components:

  • Pistons (one-piece and two-piece types)

  • Cylinder liners

  • Piston rings and seal rings

  • Main and rod bearings

  • Upper and lower gasket kits

  • Thrust washers

These kits are matched to your engine serial number to ensure a precise fit for your ISM’s fuel system and block configuration.

Freshwater Cooling System Components

Maintain proper operating temperature with our selection of cooling system parts:

  • Water pump assemblies

  • Thermostat and housing kits

  • Belt-driven fan pulleys and tensioners

  • Coolant filters and bypass valves

  • Radiator hoses and clamps

All components meet industrial duty-cycle standards for high-load, continuous-use applications.

Cylinder Heads and Valvetrain Parts For Cummins ISM

Keep compression consistent and airflow optimized with:

  • Complete cylinder heads (with or without valves)

  • Valve guides, springs, and seals

  • Rocker arms and bridges

  • Cylinder head bolt kits

  • Head gasket sets

All heads are pressure-tested and inspected to ensure reliability under long-haul or heavy industrial use.

Fuel System Components for Cummins ISM

Support clean and efficient combustion with CELECT and CELECT Plus-compatible fuel components:

  • Fuel injectors (matched to ECM configuration)

  • Fuel lift pumps

  • Fuel filters and separator kits

  • Fuel pump couplings and drive components

  • Fuel shut-off valves and sensors

Each injector is tested for spray pattern and flow rate, ensuring proper function in electronically controlled ISM engines.

Turbochargers and Air Intake Components For Cummins ISM

Restore power and airflow with our durable turbo system options:

  • OEM-equivalent turbochargers

  • Hump hoses and intake elbows

  • Turbo mounting hardware and studs

  • Oil feed and return line kits

  • High-temp jointing compound for sealing

These components are engineered to handle high boost pressure and extended-duty operation.

Gasket Sets and Seal Kits For Cummins ISM

Proper sealing prevents downtime and fluid loss. Our high-quality gaskets are made from heat- and oil-resistant materials.

Available sets include:

  • Full engine gasket kits (upper and lower)

  • Head gasket sets

  • Valve cover, intake, and exhaust gaskets

  • Oil pan and front/rear crankshaft seals

  • O-rings and washers for injectors and sensors

Crankshafts and Rotating Assembly Parts For Cummins ISM

Ensure bottom-end balance and performance with:

  • Crankshafts (new and remanufactured)

  • Main and connecting rod bearings

  • Crankshaft front and rear seals

  • Vibration dampers and balancing tools

Exhaust System Parts For Cummins ISM

Support safe exhaust routing and emissions control with:

  • Manifolds and outlet flanges

  • Exhaust elbows and adapters

  • Muffler caps, stack clamps, and flex pipe sections

  • Manifold insulation tape

Sensors and Electrical Components For Cummins ISM

Diagnose and monitor engine conditions with:

  • Oil pressure, coolant temp, and fuel pressure sensors

  • RPM pickups and cam/crankshaft position sensors

  • Shutdown switches and alarm modules

  • Wiring harnesses for CELECT/CELECT Plus systems

Why Buy Cummins ISM Parts from Diesel Pro Power?

24-Hour Worldwide Shipping

Get your ISM parts fast. We ship all in-stock items within 24 hours, with global delivery options available.

Over 40,000 Satisfied Customers

Join thousands of mechanics, fleet managers, and industrial operators who trust Diesel Pro Power for quality parts, fast fulfillment, and honest service.

One-Year Warranty

Every part we sell comes backed by a 1-year warranty, giving you peace of mind with every order.

Secure Checkout and Transparent Pricing

Our easy-to-use site allows you to prepay import taxes, calculate total costs upfront, and place secure orders with ease.

Real Customer Support

Need help? Call our team of diesel experts at 1-888-433-4735 or email us for real-time answers and order assistance.

Order Cummins ISM Engine Parts Online Today

Whether you’re rebuilding an engine or replacing a fuel injector, Diesel Pro Power has what you need—fast, accurate, and always in stock.

Call: 1-888-433-4735 (Mon–Fri, 8 a.m.–5 p.m. EST)
Global Shipping: Orders ship in 24 hours
Order Online: Secure checkout with expert support

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