Gates K060503A Serpentine Belt

OE-style serpentine belt replacement

The Gates K060503A is a premium OE Micro-V belt built for specific Nissan and INFINITI applications that call for a 6-rib serpentine belt. It uses aramid tensile cord and EPDM construction to match OEM-style performance, helping maintain smooth operation and consistent belt drive function.

Key features

• Premium OE Micro-V Belt line for OE-style replacement needs
• Aramid cord construction for strength and belt stability
• EPDM belt material for durability in accessory drive service
• 6-rib, K-section design for specified serpentine belt applications
• OE Exact and OE Performance comparison ratings

Detailed fitment and design

Gates K060503A is engineered for accessory drive systems that require a specific belt profile and length. The belt measures 20 mm top width, 1278 mm effective length, and 1295 mm outside circumference, with a standard automotive V-ribbed design. This construction is intended to deliver quiet, smooth belt operation while matching the original equipment specification. Fits 2019-2025 INFINITI QX50, N/A. Fits 2022-2025 INFINITI QX55, N/A. Fits 2025 INFINITI QX60, N/A. Fits 2019-2024 Nissan Altima, N/A. Fits 2025-2026 Nissan Murano, N/A. The part number K060503A is also useful when confirming the correct replacement against service information, and K060503A appears in interchange listings as 6K503A, 25-060503A, and 117205NA0B.

What this belt helps address

• Accessory drive noise from a worn or mismatched belt
• Vibration caused by belt construction that does not match OE requirements
• Cracking, glazing, or wear on an aging serpentine belt
• Incorrect belt length or rib profile during replacement

Installation notes and tips

Verify belt routing, rib count, and measured length before installation. Confirm the application against the vehicle service information for the exact engine and accessory drive configuration. The fitment data for this part includes Nissan Altima, Nissan Murano, INFINITI QX50, INFINITI QX55, and INFINITI QX60 applications, so matching the vehicle record to the belt specification is important. Use the part number K060503A during lookup to reduce selection errors.

Quality assurance

Gates develops belt drive products with OE manufacturers and applies that engineering approach to aftermarket replacement parts. The K060503A is built to OE-style specifications for the listed applications, with materials and construction selected for consistent belt drive performance.