Hayden 5978 Accessory Drive Belt Idler Pulley

Overview of Hayden Pulley Accessory Drive Belt Idler Pulley

The Hayden Pulley 5978 is a durable accessory drive belt idler pulley designed for select Chevrolet, Ford, Mercury, and Pontiac vehicles. Engineered to meet or exceed OEM specifications, this black plastic idler pulley supports serpentine belt systems in models like the Ford F-150, Chevrolet Camaro, and Pontiac Firebird.

• Material: High-quality black plastic construction
• Inside Diameter: 1.000 inch (17 mm)
• Outside Diameter: 5.1875 inches (131.763 mm)
• Width: 1.062 inches (27 mm)
• Groove Quantity: 6 grooves for serpentine belt compatibility
• Bore Diameter: 0.668 inch (17 mm)
• Compatible with serpentine belt width of 0.3125 inch (7.9375 mm)
• Single mount hole; mounting hardware not included

Hayden Pulley Product Line Details

The Hayden Pulley product line focuses on accessory drive belt system components, providing reliable idler and tensioner pulleys designed to maintain proper belt tension and alignment. The Pulley line ensures compatibility with a range of vehicle makes and models, including popular trucks and performance cars, supporting efficient engine operation and belt longevity.

Detailed Product Description

This Hayden Pulley 5978 idler pulley is constructed from durable plastic and features six grooves to accommodate serpentine belts commonly used in various Chevrolet, Ford, Mercury, and Pontiac vehicles. With an outside diameter of approximately 5.19 inches and a width of just over one inch, it is engineered to maintain optimal belt tension and reduce wear. The pulley’s bore diameter and inside diameter measurements ensure a precise fit on the mounting shaft, contributing to smooth belt operation. This part is compatible with belt widths of 0.3125 inches, making it suitable for accessory drive belt systems in models such as the Ford Mustang, Chevrolet S10, and Mercury Mountaineer.

Common Applications and Issues Addressed

• Restores proper serpentine belt tension and alignment
• Replaces worn or damaged idler pulleys causing belt noise or slippage
• Prevents premature belt wear and potential engine accessory failure
• Eliminates belt squeal caused by pulley misalignment
• Supports smooth operation of alternator, power steering, and A/C compressor belts

Installation Notes and Tips

Installation requires removal of the old idler pulley and mounting the Hayden Pulley 5978 using the existing mounting point. Note that mounting hardware is not included, so retain or replace bolts as necessary. Ensure the pulley grooves align correctly with the serpentine belt to avoid misalignment. It is recommended to inspect the serpentine belt and related components during installation for optimal system performance.

Quality Assurance and Warranty

The Hayden Pulley 5978 meets or exceeds OEM standards, ensuring reliable performance and durability. While specific warranty details are not provided, the product is manufactured to maintain consistent quality and fitment for the listed Chevrolet, Ford, Mercury, and Pontiac models.