Dayco 89700 No-Slack Automatic Belt Tensioner Assembly

The Dayco 89700 is a No-Slack Automatic Belt Tensioner Assembly designed for use in automotive and light truck applications. Engineered as a direct-fit replacement for worn or failed OEM tensioners, this unit maintains proper serpentine belt tension throughout the drive system, helping to prevent belt slippage, noise, and premature belt wear.

Dayco's No-Slack tensioners are built to meet or exceed original equipment specifications, delivering consistent spring tension that adapts to belt stretch and thermal expansion over the life of the part. The integrated pulley and housing are designed as a complete assembly for straightforward installation without additional components.

Key Features:

• No-Slack automatic tensioner technology for consistent, reliable belt tension
• Built to meet or exceed OEM specifications for automotive and light truck engines
• Complete tensioner assembly includes pulley, bracket, and spring mechanism
• Engineered for quieter operation and extended service life
• Direct replacement fit for simplified installation
• Manufactured by Dayco, a global leader in engine drive system components

Dayco has over 100 years of experience in the design and manufacture of drive systems for automotive, truck, and industrial applications. The 89700 tensioner reflects that heritage, offering a reliable, OEM-quality solution for serpentine belt system maintenance.

Part Number: 89700 | UPC: 036687913210