Piston Pin Cummins 5257057 | 5477660

High-Performance Piston Pin for Cummins Engines

The 5257057 Piston Pin (also known as a wrist pin) is a critical component in the internal combustion cycle of heavy-duty diesel engines. This precision-engineered part serves as the vital link between the piston and the connecting rod, facilitating the conversion of linear combustion force into the rotational motion of the crankshaft.

Key Features and Benefits

• Precision Engineering: Manufactured to exacting standards to ensure a perfect fit, reducing friction and preventing premature wear within the cylinder assembly.
• High Load Capacity: Built using high-grade materials designed to withstand the intense thermal and mechanical stresses of commercial truck operations.
• Enhanced Durability: Features a smooth surface finish for optimal lubrication and reduced mechanical resistance, extending the service life of both the piston and the connecting rod.
• Improved Efficiency: By maintaining structural integrity under pressure, this pin contributes to better fuel economy and consistent power output.

Engine Compatibility

The Cummins 5257057 Piston Pin is designed for seamless integration with several engine series, including:

• F2.8 Series: CM2620 F135B
• ISF2.8 Series: CM2220 F117, CM2220 F129
• QSF2.8 Series: CM2880 F104, F105, F108, F114
• R2.8 Series: CM2220 R101B

Technical Specifications

• Weight: 0.88 lb
• Package Dimensions: 3.15 x 1.97 x 1.57 in
• Part Type: Piston Pin / Wrist Pin