Gates K050653A Serpentine Belt

Premium OE Micro-V Belt for GM Applications

The Gates K050653A Premium OE Micro-V Belt is a serpentine belt built for specific GM engine applications that require OE-style belt construction. It uses aramid tensile cord and EPDM belt material to match original equipment performance for quiet operation, stable drive function, and long service life.

Compatible With select Cadillac CT4, Chevrolet Colorado, Chevrolet Silverado 1500, Chevrolet Silverado 1500 LTD, Chevrolet Silverado 1500 Nueva, GMC Canyon, GMC Sierra 1500, and GMC Sierra 1500 Limited applications.

Key Features

• Gates Premium OE Micro-V Belt, part number K050653A
• 5-rib automotive V-ribbed belt construction
• Aramid cord material for OE-style tensile strength
• EPDM belt material for durability in accessory drive service
• OE Exact comparison rating for direct replacement applications
• Cross section K with 17 mm top width and 1660 mm effective length
• Outside circumference: 1675 mm

OE-Style Belt Construction

Gates develops this serpentine belt using the same construction approach specified for certain original equipment applications. The aramid cord helps maintain belt stability under load, while the EPDM construction supports consistent performance in accessory drive systems. This makes the K050653A a direct-fit replacement for vehicles that call for this exact belt profile and length.

This part cross-references 5K653A and 12666589 for the same application.

What This Belt Helps Address

• Squealing or chirping from a worn serpentine belt
• Cracking, glazing, or fraying on the belt surface
• Accessory drive noise caused by belt wear or incorrect construction
• Loss of belt tension retention from age-related deterioration
• Drive issues on GM vehicles that require an OE Exact belt specification

Installation Notes and Tips

Verify the belt routing and confirm the engine application before installation. Compare the old belt length, rib count, and cross section to the Gates K050653A to ensure the correct match. Inspect pulleys, tensioners, and idlers for wear before installing a new serpentine belt, since damaged components can shorten belt life and create noise.

Fits 2020-2026 Cadillac CT4, N/A. Fits 2023-2025 Chevrolet Colorado, N/A. Fits 2025 Chevrolet Silverado, N/A. Fits 2019-2025 Chevrolet Silverado 1500, N/A. Fits 2023-2025 GMC Canyon, N/A. Fits 2019-2025 GMC Sierra 1500, N/A. Fits 2022 Chevrolet Silverado 1500 LTD, N/A. Fits 2022 Chevrolet Silverado 1500 Nueva, N/A. Fits 2022 GMC Sierra 1500 Limited, N/A.

Quality Assurance

Gates is a recognized supplier of automotive serpentine belt drive systems and works with OE manufacturers to align aftermarket belt construction with original equipment requirements. The K050653A is built to OE Exact specifications for the listed applications.