Dayco 89056 Accessory Drive Belt Idler Pulley - Alternator

Overview of Dayco Accessory Drive Belt Idler Pulley 89056

The Dayco 89056 accessory drive belt idler pulley is engineered for reliable performance in Chrysler and Dodge vehicles. Designed with durable steel construction and precise dimensions, this pulley supports the V-belt system in models such as the Dodge Ramcharger and Chrysler Fifth Avenue.

• Constructed from robust steel for long-lasting durability
• Features 2 grooves compatible with V-belt drive systems
• Bearing inner diameter of 12 mm and bearing width of 12 mm
• Supports a maximum belt width of 1/2 inch
• Single bearing design ensures smooth operation

Technical Specifications and Compatibility

The Dayco 89056 idler pulley is specifically designed for accessory drive belt systems using V-belts. It has a groove quantity of 2, accommodating dual V-belts commonly found in Chrysler and Dodge trucks and SUVs. The pulley measures 27.14 mm in diameter, with a bearing inner diameter and width both at 12 mm, ensuring proper fit and rotation. This part is compatible with a range of Chrysler and Dodge models including B150, B250, B350, D100, D150, D250, D350, Dakota, Fifth Avenue, Ramcharger, W100, W150, W250, and W350.

Applications and Problem Resolution

This accessory drive belt idler pulley is used to maintain proper tension and alignment of the V-belt system in compatible vehicles. It helps address common issues such as:

• Excessive belt wear due to misalignment
• Noise caused by worn or damaged pulleys
• Reduced belt tension leading to slippage
• Premature bearing failure affecting belt drive efficiency
• Vibration and uneven belt movement in accessory drive systems

Installation Notes and Tips

When installing the Dayco 89056 idler pulley, ensure the following for optimal performance:

• Verify compatibility with your specific Chrysler or Dodge model
• Inspect the belt for wear and replace if necessary
• Use proper torque specifications to avoid bearing damage
• Check pulley alignment to prevent premature belt wear
• Lubricate mounting points if applicable, but avoid contaminating the bearing

Quality Assurance and Warranty

Dayco manufactures the 89056 idler pulley with high-quality steel and precision bearings to meet OEM standards. This part undergoes rigorous testing to ensure durability and reliable operation in demanding automotive environments. While specific warranty details may vary, Dayco typically offers coverage against manufacturing defects to provide confidence in product longevity.