Continental 4040355S Serpentine Belt - Air Conditioning

Continental Multi-V Stretch Belt 4040355S

Continental 4040355S is a Multi-V Stretch Belt for accessory drive systems that use a fixed pulley layout. Built with low modulus and high elongation construction, it installs without a traditional tensioner and is designed to maintain the tension needed for air conditioning drive applications.

Key Features

• EPDM rubber construction for durability in accessory drive service
• 4-rib profile for the specified air conditioning application
• 0.55 in. top width and 35.50 in. belt length
• Polyamide tensile cord for strength and dimensional stability
• OEM-style stretch belt design for fixed drive systems
• Continental Multi-V Stretch Belt line for direct-fit replacement needs

Product Details

This Continental Multi-V Stretch Belt line is engineered for vehicles that use a stretch-fit accessory drive belt on the air conditioning system. The belt’s EPDM rubber compound and polyamide tensile cord are selected to handle repeated flexing while maintaining consistent fit on fixed drive systems. Part number 4040355S is a direct replacement style belt for a wide range of Chevrolet, GMC, Cadillac, and Hummer applications, including Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Express van models with factory AC.

This part cross-references Dayco E040357 and Gates K040355SF for the same application.

What It Is Used For

• Air conditioning belt noise caused by wear or loss of belt tension
• Cracking, glazing, or stretching in the accessory drive belt
• Improper belt fit after service on fixed-pulley AC drive systems
• Loss of reliable compressor drive on compatible GM truck and van applications
• Replacement after removal on stretch-belt-equipped systems

Installation Notes and Tips

Compatible With 2009-2020 Chevrolet Express 2500, Air Conditioning; 2009-2020 Chevrolet Express 3500, Air Conditioning; 2016-2020 GMC Savana 2500, Air Conditioning; 2016-2020 GMC Savana 3500, Air Conditioning; 2009-2019 Chevrolet Silverado 2500 HD, Air Conditioning; 2009-2019 Chevrolet Silverado 3500 HD, Air Conditioning; 2009-2019 GMC Sierra 2500 HD, Air Conditioning; and 2009-2019 GMC Sierra 3500 HD, Air Conditioning. Additional coverage includes 2009-2014 Cadillac Escalade and Escalade ESV, 2009-2014 Chevrolet Tahoe and Suburban 1500, and 2008-2010 Hummer H3.

Stretch belts require the correct installation procedure and tool requirements listed inside the sleeve. If a stretch belt is removed for any reason, it must be replaced. Verify the application by year, make, model, and air conditioning position before installation.

Quality Assurance

Continental designs this belt using OEM-focused EPDM compound technology and a polyamide tensile cord to support consistent fit and service life in accessory drive applications. Part number 4040355S is built for direct replacement use on listed vehicles and AC drive systems.