Cummins piston kits are matched replacement assemblies that typically include the piston body, piston rings, wrist pin, and retaining clips. They are engineered specifically for various Cummins engine series, ensuring correct compression ratios and optimal performance during rebuilds.
Popular Cummins Engine Series & Piston Kits
· B Series (3.3L, 3.9L, 5.9L / ISB, QSB): Widely used in light-to-medium-duty trucks and industrial applications (Kit examples: 4955839 for 3.3L; 4089669 for 5.9L).
· C Series (8.3L / 6C, 6CT, 6CTA): Heavy-duty kits built for mid-range commercial and industrial setups (Kit examples: 3802603).
· X Series / Heavy Duty (ISX, QSX 15L): High-performance components designed for heavy-duty highway trucks (Kit examples: 2882080 for EPA10 ISX/QSX).
· High Horsepower (KTA, QSK Series): Massive kits built for marine, rail, and heavy mining infrastructure (e.g., KTA19, QSK50, QSK60).
What is Included
· Piston Body: Cast or forged metallic structure designed to withstand intense combustion pressures.
· Piston Rings: Compression and oil scraper rings to seal the combustion chamber.
· Wrist Pin & Retainer Clips: Heavy-duty pins connecting the piston to the connecting rod securely.
