Crankshaft Vibration Damper Pulley Cummins 3925568 | 3914456, 3910907, 3912681

High-Performance Crankshaft Vibration Damper Pulley for Cummins 6CT 8.3

The crankshaft vibration damper pulley (part number 3925568) is a critical component designed to protect your Cummins 6CT 8.3L engine from destructive torsional vibrations. By absorbing and dampening these harmonic forces, this pulley ensures stable engine operation, reduces stress on the crankshaft, and prevents premature wear of auxiliary belt-driven components.

Key Features & Specifications

• Engine Compatibility: Cummins 6CT 8.3, 6CTA8.3, 6CTAA8.3 series engines.
• Outer Diameter: 245 mm
• Pulley Diameter: 180 mm
• Bolt Pattern: 4 x 55 mm spacing
• Durable Construction: Engineered with high-grade materials to withstand extreme thermal and mechanical stress in heavy-duty applications.
• Precise Fitment: Manufactured to strict dimensional tolerances for a direct, hassle-free replacement.

Why Replace Your Vibration Damper?

Over time, the rubber damping element in the pulley can degrade, crack, or separate due to age, heat, and constant exposure to engine fluids. A failing damper can lead to severe crankshaft damage, broken accessory brackets, and excessive engine noise. Replacing your worn damper pulley with this high-quality replacement restores engine balance and safeguards your powertrain investment.