The BESTfit fender extension for International 9200I and 9400I trucks is a durable aftermarket replacement part designed to restore and extend the wheel opening coverage on heavy-duty vehicles from the 1997-1999 model years. Made of quality fiberglass, this extension is sold individually for either driver or passenger side and is backed by a workmanship and material warranty to help ensure long-term service. It replaces OE part numbers 3518981C5 (driver side) or 3518982C5 (passenger side) and integrates with your truck's existing body panels for a seamless fit without compromising appearance. Because this is a high-quality, non-OEM product, it's suitable for repair, restoration, or customization projects where maintaining proper fender coverage and truck aesthetics is important.