Navistar

Navistar Replacement Belts

This collection includes durable aftermarket belts engineered to replace original Navistar® OEM part numbers used in International® trucks, buses, and diesel engine platforms. Built for heavy-duty applications, these belts ensure dependable power transmission in over-the-road, vocational, and fleet service environments.

Typical OEM part numbers follow formats like 166xxxxC1, 184xxxxC91, or 259xxxxC91 (e.g., 1664227C1, 1840753C91, 2593681C91). Each listing clearly identifies the original Navistar or International part number and ships as a high-quality cross-referenced aftermarket replacement matched for profile, length, and durability.

Whether you're maintaining a school bus, commercial hauler, or diesel-powered generator, these belts help reduce downtime and keep your Navistar systems running reliably in the toughest conditions.

Navistar

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V‑Belt Finder Search Tool

Enter a belt number (e.g., A88, BX70, 5L600, 3VX560) and hit Search.

Tip: Try the kevlar “K” variant too (e.g., 5L600K) if applicable.
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