Dorman 419-725 Accessory Drive Belt Idler Pulley

Durable Accessory Drive Belt Idler Pulley for Chrysler and Dodge Vehicles

The Dorman 419-725 accessory drive belt idler pulley is designed to maintain proper tension and alignment of the serpentine belt system in select Chrysler, Dodge, Jeep, and Ram models. Engineered with a plastic construction and specific dimensions, this idler pulley supports reliable belt operation and helps prevent premature wear.

• Constructed from durable black plastic for corrosion resistance
• Compatible with serpentine belt systems on specific Chrysler, Dodge, Jeep, and Ram vehicles
• Outside diameter options of 37.6 mm and 70 mm for precise fitment
• Inside diameter of 17 mm with a 24 to 24.5 mm width for accurate belt alignment
• Includes one pulley bearing with a 12 mm width for smooth rotation
• Designed with a single mounting hole for secure installation
• Standard grade type suitable for everyday driving conditions

Detailed Product Description and Specifications

The Dorman 419-725 idler pulley is specifically engineered for use with serpentine belt systems on vehicles such as the Chrysler 300, Dodge Charger, Jeep Grand Cherokee, and Ram 1500. Its plastic material offers a balance of strength and lightweight performance, reducing stress on the accessory drive system. The pulley features an inside diameter of 17 mm and a width ranging from 24 to 24.5 mm, ensuring proper belt tracking and tension. The outside diameter measurements of 37.6 mm and 70 mm correspond to different pulley surfaces, accommodating specific belt routing requirements. A single mounting hole allows for straightforward attachment, while the included bearing with a 12 mm width supports smooth and consistent pulley rotation. This idler pulley is a specific fit part, designed to meet the exact requirements of the listed vehicle models.

Common Applications and Problem Resolution

• Restores proper serpentine belt tension and alignment
• Eliminates belt squealing caused by worn or misaligned pulleys
• Prevents premature belt wear and potential accessory drive failure
• Replaces damaged or seized idler pulleys in Chrysler, Dodge, Jeep, and Ram vehicles
• Supports smooth operation of alternator, power steering, and air conditioning belts

Installation Notes and Tips

When installing the Dorman 419-725 idler pulley, ensure the serpentine belt is properly routed according to the vehicle’s service manual. Verify that the mounting hole aligns correctly with the bracket and torque the fastener to manufacturer specifications. Inspect the serpentine belt for wear and replace if necessary to maintain optimal system performance. This pulley does not include mounting hardware, so retain original bolts or source appropriate replacements.

Quality Assurance and Warranty Information

Dorman manufactures the 419-725 idler pulley to meet or exceed OEM standards for fit, form, and function. The plastic construction and bearing quality are tested to provide reliable service life under normal operating conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.