Specifications

The PAI 202007 Crankshaft Damper is a robust harmonic balancer specifically designed for Cummins ISX engine applications. Built to counteract crankshaft torsional vibrations, it helps prevent resonance, reduce stress on engine internals, and improve component longevity. Ideally matched to OEM specifications, it cross-references with Cummins part numbers 3680504, 4026799, and 4101884. Manufactured in the U.S. by ISO 9001:2015-certified PAI Industries with a 2-year unlimited-mileage warranty, this vibration damper ensures reliable on-highway performance. Sold by Wofford Truck Parts.

Compatibility

Freightliner FLD Series / Classic / Cascadia — early 2000s onward

Kenworth (e.g., W900, T800) — early 2000s onward

Peterbilt (e.g., 379, 579) — early 2000s onward

International ProStar / LoneStar — ProStar: ~2006–2016; LoneStar: ~2009–2024

Volvo VNL, Mack Pinnacle, and other highway Class 8 rigs with ISX — early 2000s onward


Alternative Part Numbers

  • Cummins 3680504
  • Cummins 4026799
  • Cummins 4101884
  • PAI 202007

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