Part #: K100731HD

Gates K100731HD Serpentine Belt

Fan, Water Pump and Alternator, Fan and Water Pump, and Fan and Alternator
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Reliable Heavy Duty Serpentine Belt for Automotive Applications

The Gates FleetRunner Heavy Duty Micro-V Belt (Part Number K100731HD) is engineered to provide durable and consistent performance in demanding automotive environments. Designed with a 10-rib configuration and constructed from EPDM material, this serpentine belt is suitable for vehicles requiring a robust accessory drive belt system component.

  • Top width: 1.367 inches (35 mm)
  • Effective length: 73.09 inches (1857 mm)
  • Outside circumference: 73.625 inches (1871 mm)
  • 10-rib automotive v-ribbed belt design
  • Cord material: Polyester for enhanced strength
  • Belt material: EPDM for heat and wear resistance
  • OE comparison rating: OE improved for reliable fit and function

About the FleetRunner Heavy Duty Micro-V Belt Line

The FleetRunner Heavy Duty Micro-V Belt line by Gates is designed specifically for heavy-duty automotive applications requiring enhanced durability and resistance to wear. This product line focuses on delivering belts with improved materials such as EPDM and polyester cords, which provide longer service life and better performance under high-stress conditions. The K100731HD part is a representative of this line, offering a 10-rib design that supports multiple accessory drives efficiently.

Product Details and Specifications

This serpentine belt features a top width of 1.367 inches (35 mm) and an effective length of 73.09 inches (1857 mm), making it suitable for a range of automotive vehicles that require a heavy-duty accessory drive belt. The EPDM belt material offers resistance to heat, ozone, and wear, while the polyester cord material ensures tensile strength and flexibility. The 10-rib design allows for smooth power transmission to various engine components, maintaining optimal performance.

Common Applications and Issues Addressed

  • Replacement for worn or cracked serpentine belts in heavy-duty vehicles
  • Resolving belt slippage and squealing noises
  • Improving accessory drive efficiency in trucks and commercial vehicles
  • Addressing premature belt wear due to heat and environmental exposure
  • Ensuring consistent power delivery to alternators, water pumps, and other engine accessories

Installation Notes and Tips

When installing the Gates FleetRunner Heavy Duty Micro-V Belt K100731HD, ensure the belt is properly aligned with all pulleys to prevent premature wear. Check the tensioner for correct operation and adjust tension as specified by the vehicle manufacturer. Inspect pulleys and accessory components for damage or misalignment before installation to maximize belt life.

Quality Assurance and Warranty

Gates provides a high-quality serpentine belt with an OE improved rating, ensuring compatibility and performance comparable to original equipment. The FleetRunner Heavy Duty Micro-V Belt undergoes rigorous testing to meet industry standards for durability and reliability. Warranty details are available through Gates and typically cover defects in materials and workmanship under normal use.

BrandGates
Part NumberK100731HD
Top Width1.367
Top Width35
Cord MaterialPolyester
Cross Section DesignationK
Effective Length1857
Effective Length73.09
Outside Circumference1871
Outside Circumference73.625
TypeAutomotive v-ribbed belt (heavy duty)
Rib Quantity10
Washer Pump IncludedEpdm
Belt MaterialEpdm
Cord MaterialPolyester
OE Comparison RatingOe improved
SectionK
TypeAutomotive v-ribbed belt (heavy duty)

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

013997319210K73110K731HDV10PK185010PK185510PK18601847677C1206629208118672088351225-10073125-100731HD2515623241007294100732510073051007335196820024270326598730K10732K10MK733K1088GB447P72888GB447P73288GB456P73088GB456P735A-731K10A0139973192GT4100731GTK100731K100731K100731HD

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.