Dodge 115985 1610-IDLER NSMP Idler Pulley Assembly is a replacement belt‑drive component for Dodge vehicles, identified by part number 1610-IDLER NSMP. It serves as an idler pulley to guide the drive belt along its routing path and keep the belt aligned with engine pulleys. The NSMP designation appears in the part name, connecting this assembly to the Dodge 115985 portion of the belt system.
