Gates K040299SF Serpentine Belt - Air Conditioning

Gates Stretch Fit Belt for OE Applications

The Gates Premium OE Stretch Fit Micro-V Belt, part number K040299SF, is built for stretch-fit accessory drive systems that require precise belt length and controlled tension. It is a 4-rib automotive V-ribbed belt made with EPDM and nylon cord construction for consistent operation in the accessory drive system.

Key Features

• Premium OE Stretch Fit Micro-V Belt for stretch-fit drive systems
• Part number K040299SF for direct identification
• 4-rib K-section design with .56 in. top width
• Effective length: 29.93 in. / 760 mm
• Outside circumference: 30.5 in. / 775 mm
• EPDM belt material with nylon cord reinforcement
• OE Exact and OE Performance comparison ratings
• Special installation tool required

Product Details

Gates Micro-V Stretch Fit Belts use self-tensioning technology for unique stretch-fit drive systems, helping the belt seat correctly without a conventional tensioner adjustment. This K040299SF belt is specified for the air conditioning drive on select Chevrolet Spark and Chevrolet Spark Classic models, including 2014-2015 Chevrolet Spark, Air Conditioning and 2016-2017 Chevrolet Spark Classic, Air Conditioning. If you are searching for a Chevrolet Spark A/C belt replacement or a Gates K040299SF serpentine belt for a stretch-fit application, this part matches the listed OE-style fitment.

This part cross-references 4K299SF and 25-040299SF for the same application.

Common Problems This Belt Can Address

• Noise from a worn or glazed air conditioning drive belt
• Belt cracking, fraying, or loss of tension in a stretch-fit system
• Poor belt seating after previous service work
• Accessory drive slip affecting A/C compressor operation
• Incorrect belt length on OE stretch-fit applications

Installation Notes and Tips

• Use the required special installation tool for proper fitment.
• Follow the included Sheet B instructions during installation.
• Confirm the vehicle application before removal of the old belt.
• Inspect pulleys and the accessory drive path for wear before installing the new belt.
• Do not reuse a belt that has been overstretched or damaged during removal.

Quality Assurance

Gates is a recognized supplier of OE-style belt solutions, and this Micro-V Stretch Fit belt is built to meet the demands of stretch-fit accessory drive systems. The OE Exact and OE Performance ratings support selection for service work where factory-style fit and operation matter.