Gates K040357SF Serpentine Belt - Air Conditioning or Power Steering

OE Stretch Fit Belt for Accessory Drive Systems

The Gates K040357SF is a Premium OE Stretch Fit Micro-V Belt built for stretch-fit accessory drive systems that require precise belt length and controlled installation. It uses self-tensioning technology to help deliver proper fit on applications such as the Ford Flex, Ford Taurus, Lincoln MKS, Mercury Sable, Cadillac CTS, and Chevrolet Camaro.

Key Features

• Premium OE Stretch Fit Micro-V Belt for accessory drive system service
• Stretch-fit design with self-tensioning technology for proper installation on designated applications
• 4-rib automotive V-ribbed belt construction
• EPDM belt material for durability in underhood conditions
• Nylon cord reinforcement for stable belt performance
• OE Exact and OE Performance comparison ratings
• Special installation tool required for proper fitment

Product Details

Gates K040357SF is a stretch-fit serpentine belt engineered for vehicles that use a non-adjustable belt drive layout. The belt measures 35.76 inches effective length and 36.25 inches outside circumference, with a K-section profile and 14 mm top width. Gates Micro-V Stretch Fit Belts are built to match unique stretch-fit drive systems, helping maintain the correct belt tension once installed. This part cross-references Continental 4040357S and 4040377S for the same application.

Use this belt for direct replacement service on 2016-2018 Cadillac CTS air conditioning, 2016-2018 Chevrolet Camaro air conditioning, 2010-2012 Ford Flex power steering, 2009-2012 Ford Taurus power steering, 2009-2012 Lincoln MKS power steering, and 2009 Mercury Sable power steering. The Gates K040357SF is a direct-fit option for these OE-style stretch belt applications.

Common Problems This Belt Can Address

• Cracking, glazing, or fraying on the existing accessory drive belt
• Squealing caused by belt wear or loss of proper tension
• Incorrect belt fit on stretch-fit drive systems
• Accessory drive performance issues related to belt deterioration
• Service replacement needs for air conditioning or power steering belt drives

Installation Notes and Tips

Installation tool required for proper fitment. Follow the included Sheet C instructions and use the correct stretch-fit belt installation procedure to avoid damage during installation. Verify the application by year, make, model, and position before service. Fits 2016-2018 Cadillac CTS, Air Conditioning; Fits 2016-2018 Chevrolet Camaro, Air Conditioning; Fits 2010-2012 Ford Flex, Power Steering; Fits 2009-2012 Ford Taurus, Power Steering; Fits 2009-2012 Lincoln MKS, Power Steering; Fits 2009 Mercury Sable, Power Steering.

Quality Assurance

Gates manufactures this Premium OE Stretch Fit Micro-V Belt to OE Exact and OE Performance standards for the listed applications. The belt construction uses EPDM and nylon cord materials selected for accessory drive service in stretch-fit systems.