Gates 90K-38667HDJ Serpentine Belt Drive Component Kit

Accessory Belt Drive Kit for Heavy Duty Service

The Gates FleetRunner Heavy Duty Serpentine Kit is built for accessory drive service when you want a complete, organized replacement in one part number. Gates 90K-38667HDJ brings together the key serpentine system components needed to service the belt drive on heavy duty applications, helping reduce downtime and keep fleet maintenance straightforward.

This kit is part of the Gates Accessory Belt Drive Kit line, which focuses on complete serpentine service packages for commercial and fleet use. Gates uses field service history to refine some kit designs beyond OE layouts, addressing issues identified through long-term heavy duty maintenance experience.

Key Features

• Serpentine belt drive component kit for heavy duty accessory drive service
• Includes belt drive components matched under one Gates part number
• Contents: 2 belts, tensioner, 2 idlers
• Belt 1 part number: K100675HD
• Belt 2 part number: K081062HD
• Tensioner assembly part number: 38667
• Idler pulley part numbers: 36742 and 36742
• Outside circumference measurements listed in inches and millimeters for service verification
• Belt top width specifications: 1.087 in, 1.367 in, 28 mm, and 35 mm

Product Details

Gates 90K-38667HDJ is a serpentine belt drive component kit for maintaining the accessory drive system with the correct matched parts. It is a practical choice for fleet maintenance, especially when servicing a vehicle such as a Ford F-550 or similar heavy duty truck application that depends on reliable belt routing and tension control. If you are searching for a Gates serpentine belt kit, heavy duty accessory drive kit, or Gates 90K-38667HDJ for fleet service, this kit provides the core components in one package.

For buyers comparing Gates 90K-38667HDJ against other accessory drive service parts, the listed belt lengths and widths help confirm the correct application before installation. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Kit Can Address

• Worn or glazed serpentine belts
• Noise from aging idler pulleys
• Loss of belt tension from a fatigued tensioner assembly
• Accessory drive belt tracking problems caused by worn components
• Repeated belt service due to mixed-age belt drive parts

Installation Notes and Tips

Verify belt routing, pulley alignment, and the listed outside circumference and width measurements before installation. Inspect the accessory drive path for wear, contamination, or pulley damage, and replace related components as needed to restore proper belt tracking. Confirm the application against the vehicle service information before ordering, especially when servicing Ford F-550 or other heavy duty fleet vehicles.

Quality Assurance

Gates FleetRunner Heavy Duty Serpentine Kits are built for professional maintenance use and are backed by Gates engineering and product development standards for accessory drive service. The kit format supports consistent parts selection for fleet repair work and helps simplify serpentine system maintenance.