Gates K040388HD Serpentine Belt - Fan and Air Conditioning or Power Steering and Water Pump

Reliable Serpentine Belt for Nissan Maxima

The Gates FleetRunner Heavy Duty Micro-V Belt K040388HD is engineered to provide durable and consistent performance for Nissan Maxima vehicles. Designed as a heavy duty automotive v-ribbed belt, it ensures efficient power transmission for accessory drive systems.

• Top width options: 0.56 inch and 14 mm for precise fitment
• Effective length of 38.78 inches (985 mm) for accurate replacement
• Constructed with polyester cord material for enhanced strength
• Epdm belt material and washer pump for improved durability
• 4 rib count in K cross section design for optimal grip and flexibility
• OE improved rating ensures compatibility and performance

About the FleetRunner Heavy Duty Micro-V Belt Line

The FleetRunner Heavy Duty Micro-V Belt line by Gates is designed specifically for demanding automotive applications requiring robust accessory drive belts. This product line focuses on heavy duty v-ribbed belts that deliver reliable power transfer and extended service life. The K040388HD part benefits from this engineering, making it suitable for vehicles like the Nissan Maxima that require durable belt solutions.

Product Details and Specifications

This serpentine belt features a top width of 0.56 inches (14 mm) and an effective length of 38.78 inches (985 mm), matching the precise dimensions needed for Nissan Maxima accessory drive systems. The belt’s polyester cord material provides tensile strength, while the EPDM (ethylene propylene diene monomer) rubber compound enhances resistance to heat, wear, and environmental factors. The 4-rib design in the K cross section ensures proper engagement with pulleys, reducing slippage and noise. The outside circumference measures approximately 39.347 inches (999 mm), aligning with OEM specifications for a reliable fit.

Compatible Applications and Common Issues Addressed

• Replacement for worn or cracked serpentine belts on Nissan Maxima models
• Resolves belt slippage and squealing noises in accessory drive systems
• Prevents power loss to alternator, water pump, and other engine components
• Addresses premature belt wear due to heat and environmental exposure
• Suitable for heavy duty use in demanding driving conditions

Installation Notes and Tips

When installing the Gates FleetRunner Heavy Duty Micro-V Belt K040388HD, ensure the belt is routed correctly according to the Nissan Maxima’s accessory drive diagram. Check pulley alignment and tensioner condition before installation to avoid premature belt wear. Use proper tools to maintain correct tension and avoid over-tightening, which can damage belt fibers. Inspect the belt for any damage or defects prior to installation.

Quality Assurance and Warranty

Gates manufactures the FleetRunner Heavy Duty Micro-V Belt K040388HD to meet or exceed OEM standards. The belt’s OE improved rating reflects its compliance with original equipment specifications. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliable performance in automotive applications.