Dayco 5070610K1 Serpentine Belt Drive Component Kit

The Dayco 5070610K1 Serpentine Belt Drive Component Kit is a comprehensive solution designed for complete front-end accessory drive system replacement. This application-specific kit provides all the OE-equivalent components needed for a professional, problem-free belt drive system repair on select Toyota and Lexus vehicles equipped with 2.5L, 3.0L, and 3.5L engines.

Complete Kit Includes:

• Poly Rib W2 serpentine belt featuring Dayco's innovative "W" rib design for extended service life
• Automatic belt tensioner (No Slack design)
• Idler pulley (No Slack design)
• Necessary hardware for installation
• 7-groove serpentine belt configuration

Dayco's Demanding Drive kits are engineered to address the most demanding drive systems in modern vehicles. The included Poly Rib W2 belt is manufactured with state-of-the-art processes, delivering ultra-flexible construction that handles higher workloads and temperatures while providing one of the quietest belt operations available. The kit follows Dayco's systems approach to maintenance—when one component needs replacing, all interconnected components should be replaced together to enhance performance and reliability.

Why Replace as a Complete System:

• Ensures all worn components are replaced simultaneously
• Prevents premature failure of new components due to worn parts
• Reduces labor costs by completing all service at once
• Minimizes the risk of comebacks and repeat repairs

Backed by over 100 years of engineering expertise, Dayco components are built using high-grade materials and tested to meet stringent automotive industry standards, ensuring superior reliability and extended service life.