When your Cummins QSX15 engine requires repair or maintenance, choosing genuine compatible spare parts is especially critical.

We fully recognize that every screw and every component of the engine directly determines its power output and operating condition. For this reason, we supply a full range of Cummins QSX15 parts with OEM quality and perfect compatibility, fully safeguarding the engine for long-term, stable and efficient operation.

1. Crankshaft & Camshaft

The crankshaft is the core power component of the engine, bearing the overall rotational load of the whole machine. The camshaft precisely controls the opening and closing timing of the valves.

All crankshafts and camshafts in the full range undergo strict quality inspection with precise original factory matching, laying a solid foundation for the engine to deliver sustained and powerful power output.

2. Turbocharger & Cylinder Head

The turbocharger is a core component that boosts engine power performance, while the cylinder head is responsible for combustion chamber sealing and overall engine operational safety.

Manufactured with precision craftsmanship, these parts feature outstanding durability. They effectively improve engine working efficiency and ensure safe and stable operation of the complete engine.

3. Starter Motor & Alternator

The starter motor provides initial power for engine cranking, while the alternator supplies continuous and stable power to the entire equipment.

We select high-quality matched assemblies with reliable quality and stable performance, delivering dependable starting and electrical support for your equipment.

4. Piston Assembly & Piston Rings

The piston assembly is a core moving part inside the engine, while piston rings play a vital role in cylinder sealing, preventing air leakage and oil consumption.

Made of premium wear‑resistant and high‑temperature resistant materials, they maintain stable performance and long service life even under high-load and high-speed operating conditions.

5. Cylinder Liner Assembly

The cylinder liner assembly is a key wearing part that protects the cylinder wall.

Our supplied cylinder liner assemblies adopt premium materials and exquisite craftsmanship, featuring excellent wear and corrosion resistance. They effectively reduce engine internal wear and greatly extend the overall service life of the engine.

Cummins X15 Spare Parts List