Dayco 89017 Accessory Drive Belt Tensioner Pulley

Reliable Accessory Drive Belt Tensioner Pulley for Multiple Vehicles

The Dayco 89017 accessory drive belt tensioner pulley is engineered to maintain optimal tension on serpentine belts in a variety of vehicles. Designed with durable polymer material, this pulley supports smooth belt operation for models including Audi A6 Quattro, Ford F-150, Chevrolet Camaro, and Volkswagen Beetle.

• Constructed from high-quality polymer for durability and reduced wear
• Compatible with serpentine belt systems up to 6 ribs wide
• Features a single bearing with a 17mm inner diameter and 12mm bearing width
• Flat pulley design suitable for multiple vehicle applications
• Part number 89017 ensures precise fitment for specified makes and models

Technical Specifications and Compatibility

The Dayco 89017 tensioner pulley is designed to fit a broad range of vehicles from brands such as Audi, Chevrolet, Chrysler, Ford, Geo, GMC, Isuzu, Jaguar, Land Rover, Mercury, Pontiac, Volkswagen, and Volvo. It supports belt widths up to 6 ribs, making it ideal for serpentine belt systems commonly found in models like the Audi A7 Quattro, Ford Mustang, Chevrolet Corvette, and Volkswagen Jetta. The pulley’s polymer construction offers resistance to corrosion and wear, while the single bearing with a 17mm inner diameter and 12mm width ensures smooth rotation and reliable belt tension.

Common Applications and Problem Resolution

• Maintains proper tension on serpentine belts to prevent slipping
• Reduces noise caused by worn or damaged pulleys
• Prevents premature belt wear and extends belt life
• Eliminates belt misalignment issues in accessory drive systems
• Supports consistent operation of engine accessories such as alternators and power steering pumps

Installation Notes and Tips

When installing the Dayco 89017 tensioner pulley, ensure the serpentine belt is properly routed according to the vehicle’s service manual. Verify that the pulley aligns correctly with the belt path and that the bearing rotates smoothly without resistance. Use appropriate tools to avoid damaging the polymer surface during installation. It is recommended to inspect the entire accessory drive belt system for wear and replace any worn components simultaneously to maintain optimal performance.

Quality Assurance and Warranty Information

Dayco manufactures the 89017 tensioner pulley to meet strict quality standards, ensuring reliable performance and durability. The polymer material and precision bearing assembly are tested for longevity under typical operating conditions. While specific warranty details may vary, Dayco products generally come with a limited warranty against defects in materials and workmanship, providing confidence in the part’s reliability for compatible Audi, Ford, Chevrolet, and Volkswagen models.