HomeBelts and Cooling > Accessory Drive Belt System ComponentsGates 9720HD Accessory Drive Belt
Part #: 9720HD

Gates 9720HD Accessory Drive Belt

High Capacity V-Belt (Heavy-Duty), Air Brake Compressor
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦High Capacity V-Belt (Heavy-Duty), Air Brake Compressor
🚗Fitment: GMC, 300, 350-8, 370, F350, F370, FM350, M300, S300, S370, FM340, and M340
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Overview of Gates High Capacity V-Belt 9720HD

The Gates High Capacity V-Belt (Heavy-Duty) 9720HD is engineered for demanding accessory drive belt system applications. Designed with durable materials and precise construction, this accessory drive belt supports reliable performance in various vehicle makes and models requiring a heavy-duty solution.

  • Top width: 13 mm (0.51 inches)
  • Effective length: 1829 mm (72 inches)
  • Outside circumference: 1838 mm (72.38 inches)
  • Notched construction for improved flexibility and heat dissipation
  • Cord material: Polyester (Hc50 section)
  • Belt material: EPDM (Ethylene Propylene Diene Monomer)
  • Single strand design with a 38-degree angle profile

Detailed Product Description

The Gates 9720HD accessory drive belt is part of the High Capacity V-Belt (Heavy-Duty) product line, which is specifically designed to handle increased loads and extended service intervals. This belt features a notched construction that enhances flexibility and reduces heat buildup, contributing to longer belt life under heavy-duty conditions. The polyester cord material (Hc50 section) provides strength and resistance to stretching, while the EPDM belt compound offers durability against heat, ozone, and wear. With a precise top width of 13 mm and an effective length of 1829 mm, this belt fits applications requiring a robust and reliable accessory drive component.

Applications and Problem Solving

  • Replacement for worn or cracked accessory drive belts in heavy-duty vehicles
  • Addresses belt slippage and loss of tension in high-load engine accessories
  • Reduces premature belt failure caused by heat and mechanical stress
  • Suitable for vehicles requiring a high capacity v-belt with notched design for improved performance
  • Helps maintain proper operation of alternators, power steering pumps, and air conditioning compressors

Installation Notes and Tips

  • Ensure correct belt tension according to vehicle manufacturer specifications
  • Inspect pulleys and tensioners for wear before installation
  • Verify belt alignment to prevent uneven wear and noise
  • Use proper tools to avoid damage to the belt during installation
  • Consult vehicle-specific service manuals for fitment confirmation

Quality Assurance and Warranty

Gates High Capacity V-Belt (Heavy-Duty) belts are manufactured to meet stringent quality standards for durability and performance. The 9720HD part number undergoes rigorous testing to ensure resistance to heat, wear, and stretching. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects to provide confidence in product reliability.

BrandGates
Part Number9720HD
PositionHigh Capacity V-Belt (Heavy-Duty), Air Brake Compressor
Yes
Angle38
Angle38
Belt MaterialEPDM
Belt MaterialEPDM
ConstructionNotched
ContructionNotched
Cord MaterialHC50
Cord MaterialPolyester
Cord MaterialPolyester
Effective Length72
Effective Length1829
NotchedYes
Number of Strands1
Outside Circumference72.38
Outside Circumference1838
SectionHC50
Strand Quantity1
Top Width.51
Top Width13
TypeHigh Capacity V-Belt (Heavy-Duty)
TypeHigh Capacity V-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:

00013600019040172310846411401150241711981412.5X1825LA12.5X1838LA13A181513A183013A1840154901B1672316798717-72017-72717714177181772017720HDV177231772517725MK1784781785041810418C11810419C91194741S47601S47612047417208043810210934623355432365237023762024826248384825-1828525-972025-9720HD256417257900021A212800060715280006072028060602875132P56192P562030033330300002035163033875853383418639346231937103715397397R14037160425353427409C1427410C91427411C91427824C91427825C91438241472047254L66834S57155050138511505451322125136000535325955N2088611605086311365548876L65577005890870256417719281795837C917E61587W520781421988GB354P21943394296265197197209720HD9L25199L2520A1504901BA154901BA164474A167987A62962A65717A70HCAE18913AV13-1825AV13-1850B-17725-ABH-281DTA74939E0HT 10C318 GAE0HT 8620 LAE0HZ 8620 GE0HZ 8620 RE61748E8HS 8620 BAGT17722GT17722EGT17726EGTFLN9720JC-723JC-723-CJC-726JC-727JC-727-LM64188MD343MF

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