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Engineered for extreme performance
The PDI Big Boss Oil Pan is built for durability
sealing integrity is non-negotiable
PDI Quality Control Standards
PDI Cummins ISX | X15 Crankshaft Damper Cummins X15 Parts Engineered for extreme performanceAvailable for: 2001 2022 Cummins ISX, ISX15, and X15 Engines Warranty: 1 Year Unlimited Mile Warranty Our viscous torsional damper is a design that consists of a free rotation inertia ring surrounded by a viscous silicone fluid enclosed in a laser welded, sealed housing. When crankshaft torsional vibrations occur, the outer housing of the damper reacts with the crankshaft, twisting as it rotates, while the inertia ring attempts to rotate at a constant