
Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Cylinder Block Cummins 3903797 | 3905806, 1989095C2, J916255
Ensure maximum durability and structural integrity for your 12-valve Cummins 6BT 5.9L engine with this premium replacement cylinder block. Engineered to precise specifications, it provides a reliable foundation for heavy-duty performance without a crankshaft speed sensor.
Description
Premium Replacement Cylinder Block for Cummins 6BT 5.9L Engines
Restore the power, reliability, and structural integrity of your heavy-duty diesel engine with this high-quality replacement cylinder block. Specifically engineered for the legendary 12-valve Cummins 6BT 5.9L engine, this bare block serves as a robust foundation for rebuilds and major overhauls. It is manufactured to meet or exceed strict industry standards, ensuring precise tolerances and long-lasting durability under demanding operating conditions.
Key Features & Benefits
- Perfect Fitment: Designed specifically for Cummins 6BT 5.9L 12-valve applications.
- Sensor Configuration: This block is designed for engine configurations without a crankshaft speed sensor.
- Heavy-Duty Construction: Cast from high-strength materials to resist thermal stress, cracking, and wear in demanding industrial, agricultural, and automotive environments.
- Precision Machined: Features exact deck flatness, cylinder bore alignment, and main bearing journal specifications for seamless assembly and optimal performance.
Compatibility & Applications
This cylinder block is widely used across various heavy-duty trucks, agricultural machinery (such as Case IH Maxxum tractors), construction equipment, and industrial applications powered by the Cummins B-series 12V engine. Please verify your original part number and engine configuration prior to ordering.
