Cummins KTA19 Cylinder Block 3088303

OEM Foundation for K19 Engine Assembly

The Cummins KTA19 Cylinder Block (Part No. 3088303) is the core structural component of the K19 engine, engineered for superior durability and high-performance output in demanding environments. Manufactured from high-strength cast iron, this genuine OEM cylinder block is built to endure extreme pressures and temperatures, making it ideal for:

• Marine propulsion
• Construction machinery
• Heavy-duty trucks
• Power generation systems

Compatible with KTA19 and QSK19 engines — including models like KTA19-C525 and KTA19-M — the 3088303 ensures precise fitment and seamless integration for overhauls or replacements.

Performance Highlights

• Cylinder Configuration: 6-cylinder, in-line
• Displacement: 19L
• Bore Size: 159 mm
• Power Output Range: 450–890 HP
• Cooling System: Wet cylinder liner design for improved heat dissipation and simplified maintenance

This block is engineered with precision-milled coolant passages and OEM-standard mounting points. It pairs flawlessly with components like the 3022157 cylinder liner and 4313887 cylinder head, streamlining repair and assembly.

Key Specifications

Why Choose the 3088303 Cylinder Block?

• Genuine Cummins OEM – ensures proper fit, finish, and longevity
• Built for heavy-duty use – ideal for harsh industrial settings
• Wet liner design – enhances cooling and simplifies servicing
• Industry trusted – widely used in mining, marine, and generator sectors

Ready to Order?

Power your K19 engine with confidence. The Cummins 3088303 Cylinder Block comes backed by a 12-month OEM warranty (subject to supplier terms). Complete your rebuild with matching pistons, gaskets, or crankshafts for a full system solution.

Contact us to confirm compatibility or request a quote, with fast global shipping available.