Gates K140603HD Serpentine Belt - Fan

Brand Gates K140603HD
Position Fan
Top Width 1.927
Top Width 49
Cord Material Polyester
Cross Section Designation K
Effective Length 1532
Effective Length 60.32
Outside Circumference 1546
Outside Circumference 60.885
Type Automotive v-ribbed belt (heavy duty)
Rib Quantity 14
Washer Pump Included Epdm
Belt Material Epdm
Cord Material Polyester
OE Comparison Rating Oe improved
Section K
Type Automotive v-ribbed belt (heavy duty)
Fits

Heavy-duty EPDM construction. Built for durability, flexibility, stability, and longer service life.

OE improved rating. An upgraded serpentine belt for dependable accessory drive performance.

Distinct green overcord. A signature FleetRunner detail that identifies the heavy-duty line.

Cross-references Gates K140603, Gates K140603HD and 14K603 for the same application. See all 16.

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Heavy-Duty Serpentine Belt for Fleet Applications

The Gates FleetRunner Heavy Duty Micro-V Belt is a heavy-duty serpentine belt built for accessory drive systems that see sustained load and demanding service. Part number K140603HD uses EPDM construction with a green overcord and polyester cord reinforcement for added flexibility, stability, and longer service life.

For fleet maintenance, this belt is a practical OE-improved replacement for heavy-duty V-ribbed drive applications. It is engineered to help reduce downtime while maintaining consistent accessory drive performance on vehicles such as Ford F-Series and other fleet-duty platforms that use the same belt specification.

Key Features

  • Gates FleetRunner Heavy Duty Micro-V Belt, part number K140603HD
  • Heavy-duty automotive V-ribbed belt with K cross section
  • 14-rib design for accessory drive systems requiring wider belt contact
  • EPDM belt material for durability and stable performance
  • Polyester cord reinforcement for strength and dimensional stability
  • OE Improved comparison rating for replacement applications
  • Effective length: 1532 mm / 60.32 in
  • Outside circumference: 1546 mm / 60.885 in

Product Line Details

Gates FleetRunner Heavy Duty Micro-V belts are part of a product line focused on fleet service and heavy-duty operation. The belt construction uses EPDM and a distinct green overcord to support durability, flexibility, and longer life in demanding accessory drive environments. K140603HD is built for applications where consistent belt tracking and reduced service interruptions matter.

What This Belt Helps Address

  • Squealing or slipping from a worn serpentine belt
  • Cracking, glazing, or edge wear on the drive belt
  • Loss of accessory drive performance from belt stretch or fatigue
  • Frequent belt replacement in heavy-duty service
  • Downtime caused by accessory drive belt failure

Installation Notes and Fitment Tips

Compatible With heavy-duty accessory drive systems that specify a K-section, 14-rib belt with a 1532 mm effective length. Fits 2006-2011 Ford F-Series, front. Verify belt routing, rib count, and measured length against the original belt before installation. This part cross-references Gates (e.g., K140603, K140603HD) for the same application.

Quality Assurance

Gates designs FleetRunner Heavy Duty Micro-V belts for fleet service conditions with EPDM construction and OE-improved replacement characteristics. Part number K140603HD is built to meet the demands of heavy-duty accessory drive systems.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 16 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — K140603Gates — K140603HD14K60314PK153025-14060325-140603HD603K14MK20540220868341406030127115002F6HT 8620 JAF6HZ 8620 CGT4140600GT4140602JK14-610