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

Gates FleetRunner Heavy Duty Micro-V Belt

The Gates FleetRunner Heavy Duty Micro-V Belt is built for accessory drive systems that see constant load and long service intervals. This K040388HD serpentine belt uses EPDM construction with a polyester cord and a distinct green overcord for added durability, flexibility, and stability in heavy-duty operation.

Compatible with 1992-1994 Nissan Maxima power steering and water pump applications, this belt is a direct-fit option for fleet maintenance and repair work. The Gates K040388HD is engineered to help reduce downtime while maintaining consistent drive performance.

Key Features

• Heavy-duty automotive V-ribbed belt for accessory drive systems
• EPDM belt material for improved wear resistance and longer service life
• Polyester cord material for strength and dimensional stability
• 4-rib K-section design
• OE Improved rating for upgraded replacement performance
• Effective length: 38.78 in. / 985 mm
• Outside circumference: 39.347 in. / 999 mm
• Top width: 0.56 in. / 14 mm

Product Details

Gates FleetRunner Heavy-Duty Micro-V belts are part of a product line focused on demanding fleet and commercial service. The K040388HD uses a patented EPDM construction with a green overcord to improve flexibility and stability under load, which is important in belt-driven systems that power components such as the power steering pump and water pump. For buyers searching for a Gates K040388HD serpentine belt or a heavy-duty replacement belt for a 1992-1994 Nissan Maxima, this part provides the specified fit and construction details needed for service planning.

This part cross-references Continental 4K985 and Dayco 5040388 for the same application.

Common Problems It Can Address

• Squealing or slipping in the accessory drive belt system
• Cracking, glazing, or visible wear on the existing belt
• Loss of belt tension stability during operation
• Reduced performance in power steering and water pump drive applications
• Frequent belt replacement in heavy-duty service conditions

Installation Notes and Tips

Verify belt routing, rib count, and length before installation. Inspect pulleys, tensioners, and accessory drive components for wear or misalignment, since those conditions can shorten belt life. For 1992-1994 Nissan Maxima power steering and water pump service, confirm the existing belt matches the K-section 4-rib profile and the listed dimensions before replacement.

Quality Assurance

Gates FleetRunner belts are engineered for heavy-duty drive applications with EPDM construction and OE Improved specifications. The K040388HD is built to support durability, flexibility, and stable operation in demanding fleet maintenance environments.