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Gates K100604HD Serpentine Belt - Fan or Fan and Water Pump
Heavy-Duty Serpentine Belt for Fleet Drives
The Gates FleetRunner Heavy Duty Micro-V Belt is built for accessory drive systems that see constant load and long service intervals. This heavy-duty serpentine belt uses EPDM construction with a distinct green overcord for added flexibility, stability, and extended wear resistance in demanding fleet service. Part number K100604HD is an OE-improved replacement for applications that need dependable belt tracking and consistent drive performance.
Key Features
- Gates FleetRunner Heavy Duty Micro-V Belt for accessory drive systems
- Part number K100604HD
- 10-rib automotive V-ribbed belt design
- EPDM belt material for durability and longer service life
- Polyester cord material for strength and stability
- 1.367 in. top width and 60.43 in. effective length
- OE Improved rating for updated replacement performance
- Distinct green overcord for FleetRunner identification
Product Details
FleetRunner Heavy-Duty Micro-V belts are engineered for fleet vehicles that rely on a stable accessory drive belt under frequent use. The EPDM construction helps the belt maintain flexibility and resist wear, while the polyester cord supports consistent tension and tracking. With a K-section profile, 10 ribs, and an outside circumference of 61.125 in., K100604HD is specified for heavy-duty serpentine belt applications where durability and reduced downtime matter. This part number, K100604HD, is a practical choice for fleet maintenance programs and service work on vehicles such as Ford F-150 and Ford Super Duty applications when the listed fitment matches the vehicle.
Common Problems This Belt Can Address
- Squealing or chirping from a worn accessory drive belt
- Cracking, glazing, or rib wear on the serpentine belt
- Loss of belt tension or inconsistent accessory drive performance
- Premature belt replacement in high-mileage fleet service
- Drive issues caused by belt stretch or reduced flexibility
Installation Notes and Tips
Verify the belt length, rib count, and section profile against the original belt before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since those conditions can shorten belt life. Confirm the routing path matches the vehicle service information for the specific application. Compatible With Ford F-150 and Ford Super Duty vehicles only when the vehicle’s belt specifications match this part number, K100604HD.
Quality Assurance
Gates FleetRunner Heavy Duty Micro-V belts are built with patented EPDM construction and an OE-improved design focus for durability, flexibility, and stability in heavy-duty service. This product line is intended for fleet maintenance where longer belt life and reduced downtime are priorities. This part cross-references Dayco 5100604 for the same application.
| Brand | Gates |
|---|---|
| Part Number | K100604HD |
| Top Width | 1.367 |
| Top Width | 35 |
| Cord Material | Polyester |
| Cross Section Designation | K |
| Effective Length | 1535 |
| Effective Length | 60.43 |
| Outside Circumference | 1550 |
| Outside Circumference | 61.125 |
| Type | Automotive v-ribbed belt (heavy duty) |
| Rib Quantity | 10 |
| Washer Pump Included | Epdm |
| Belt Material | Epdm |
| Cord Material | Polyester |
| OE Comparison Rating | Oe improved |
| Section | K |
| Type | Automotive v-ribbed belt (heavy duty) |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.