Gates K120476HD Serpentine Belt - Fan

Reliable Heavy Duty Serpentine Belt for Automotive Applications

The Gates FleetRunner Heavy Duty Micro-V Belt K120476HD is engineered to provide durable and efficient power transmission for a variety of automotive vehicles. Designed with robust materials and precise dimensions, this serpentine belt supports accessory drive systems in demanding conditions.

• Top width: 1.647 inches (42 mm)
• Effective length: 47.72 inches (1212 mm)
• Outside circumference: 48.25 inches (1226 mm)
• 12 ribs for optimal grip and power transfer
• Constructed with EPDM belt material and polyester cord for enhanced durability
• Cross section designation: K, suitable for heavy duty automotive v-ribbed belt applications
• OE improved rating for reliable performance

About the FleetRunner Heavy Duty Micro-V Belt Line

The FleetRunner Heavy Duty Micro-V Belt line by Gates is designed specifically for commercial and heavy duty vehicles requiring high-performance accessory drive belts. This product line focuses on durability and resistance to wear, heat, and environmental factors, making it suitable for trucks, buses, and other fleet vehicles. The K120476HD part benefits from this engineering, ensuring consistent operation under heavy loads.

Product Details and Specifications

This serpentine belt features a 12-rib design that enhances grip on pulleys, reducing slippage and improving accessory drive efficiency. The EPDM (ethylene propylene diene monomer) belt material offers resistance to heat, ozone, and wear, extending belt life in harsh engine environments. The polyester cord reinforcement provides tensile strength and flexibility, maintaining belt integrity under tension. With an effective length of 47.72 inches and a top width of 1.647 inches, this belt fits specific heavy duty automotive applications requiring a K-section belt.

Common Applications and Problem Solving

• Replacement for worn or cracked serpentine belts in heavy duty trucks and commercial vehicles
• Addresses belt slippage and squealing issues caused by stretched or damaged belts
• Prevents accessory drive failures by maintaining proper tension and grip
• Suitable for vehicles experiencing frequent belt wear due to high engine loads
• Helps reduce downtime by providing a durable and reliable belt solution

Installation Notes and Tips

Ensure the belt routing matches the vehicle’s accessory drive diagram before installation. Inspect pulleys and tensioners for wear or damage to avoid premature belt failure. Use proper tensioning tools to achieve manufacturer-recommended belt tension. The K120476HD belt is designed for direct replacement in compatible heavy duty vehicles; verify fitment with vehicle make and model specifications.

Quality Assurance and Warranty

Gates manufactures the FleetRunner Heavy Duty Micro-V Belt K120476HD to meet or exceed original equipment standards. The belt’s OE improved rating reflects its compliance with stringent quality and performance criteria. While specific warranty details vary by distributor, Gates products typically include coverage against manufacturing defects to ensure customer confidence in product reliability.