Gates K040345SF Serpentine Belt - Air Conditioning

OE Stretch Fit Belt for Accessory Drive Systems

The Gates K040345SF is a Premium OE Stretch Fit Micro-V Belt built for stretch-fit accessory drive applications that require precise belt length and controlled tension. It uses Gates self-tensioning stretch-fit technology to deliver the correct fit on select Ford and Lincoln air conditioning drives.

Gates’ Premium OE Stretch Fit Micro-V Belt line focuses on OE-style fit and performance for vehicles that use a non-adjustable belt system. The K040345SF is made with EPDM belt material, a nylon cord, and a 4-rib V-ribbed construction for the specified application.

• Premium OE Stretch Fit Micro-V Belt for stretch-fit drive systems
• 4-rib automotive V-ribbed belt construction
• EPDM belt material for accessory drive service
• Nylon cord material for belt stability
• OE Exact and OE Performance comparison ratings
• Requires a special installation tool
• Cross-reference: 4K345SF, E040345

Fitment and Application Details

Compatible with select air conditioning applications on Ford Escape, Ford Transit Connect, Lincoln Corsair, and Lincoln MKC. Fits 2023-2024 Ford Escape, Air Conditioning, with dual set of injectors; Premium OE Stretch Fit Micro-V Belt. Fits 2023-2024 Lincoln Corsair, Air Conditioning, with dual set of injectors; Premium OE Stretch Fit Micro-V Belt. Fits 2022 Ford Transit Connect, Air Conditioning, Installation Tool Required; Premium OE Stretch Fit Micro-V Belt. Fits 2019-2021 Ford Transit Connect, Air Conditioning, installation tool required for proper fitment; Premium OE Stretch Fit Micro-V Belt. Fits 2020 Ford Escape, Air Conditioning, installation tool required for proper fitment; Premium OE Stretch Fit Micro-V Belt. Fits 2017-2018 Ford Escape, Air Conditioning, installation tool required for proper fitment; Premium OE Stretch Fit Micro-V Belt. Fits 2019 Ford Escape, Air Conditioning, Installation Tool Required; Premium OE Stretch Fit Micro-V Belt. Fits 2017-2019 Lincoln MKC, Air Conditioning, installation tool required for proper fitment; Premium OE Stretch Fit Micro-V Belt.

What This Belt Helps Address

• Air conditioning drive belt wear on stretch-fit systems
• Noise caused by a belt that no longer maintains proper tension
• Fitment issues on OE-style non-adjustable accessory drives
• Replacement needs for cracked, glazed, or stretched Micro-V belts
• Service work on Ford Escape, Ford Transit Connect, Lincoln Corsair, and Lincoln MKC air conditioning drives

Installation Notes and Tips

This belt requires a special installation tool for proper fitment. Follow the included Sheet B instructions during installation and verify the belt is routed correctly before starting the engine. Because this is a stretch-fit design, correct installation method is important for proper seating on the pulley system.

Quality Assurance

Gates manufactures this belt as an OE-style stretch-fit replacement for applications that call for exact length and controlled installation. The K040345SF is built to match the requirements of listed Ford and Lincoln vehicles and is backed by Gates’ focus on OE replacement coverage for stretch-fit drive systems.