Engine Crankshaft Cummins 5261376 | 4938752

High-Performance Engine Crankshaft for Cummins F3.8 & ISF3.8

The Cummins 5261376 Engine Crankshaft is a critical internal component engineered to convert the reciprocating linear motion of the pistons into the rotational force required to drive your vehicle. Built to withstand the extreme stresses of heavy-duty commercial operation, this crankshaft ensures smooth engine performance and long-term structural integrity.

Key Features and Benefits

• Forged Steel Construction: Manufactured from high-quality forged steel for superior strength and resistance to fatigue compared to cast alternatives.
• Precision Machining: Features precision-ground journals and crankpins to minimize friction, reduce wear, and ensure perfect alignment within the engine block.
• Enhanced Balance: Designed with integrated counterweights to reduce engine vibration, leading to quieter operation and a longer lifespan for associated bearings.
• Reliable Power Transfer: Optimized for seamless integration with connecting rods and the flywheel to maintain consistent engine torque.

Compatibility and Applications

This crankshaft is designed for a wide range of Cummins 3.8L engine platforms, including:

• F3.8 Series: CM2350 F120B, CM2350 F128C, CM2620 F137B
• ISF3.8 Series: CM2220 AN, CM2220 F103, CM2350 F109
• QSF3.8 Series: CM2350 F107, CM2880 F112

Technical Specifications

• Weight: 93.81 lb
• Package Dimensions: 27.56 x 7.87 x 5.12 in
• Material: Forged Steel