Dorman 419-008 Accessory Drive Belt Tensioner Assembly

Overview of Dorman Accessory Drive Belt Tensioner Assembly 419-008

The Dorman 419-008 accessory drive belt tensioner assembly is engineered for reliable performance in Chrysler, Dodge, Jeep, and Ram vehicles. Designed specifically for models such as the Ram 1500, Ram 2500, Grand Cherokee, Durango, Dakota, Aspen, and Commander, this tensioner ensures proper belt tension and smooth operation of the accessory drive system.

• Inside diameter: 34 mm
• Width options: 24 mm and 26 mm
• Outside diameter: 77 mm
• Compatible with V-belt type systems
• Includes 2 pulleys with 6 grooves each
• Equipped with 2 pulley bearings, 80 mm bearing diameter
• Pulleys constructed from steel and plastic for durability
• Counterclockwise (CCW) tensioner rotation
• Package contains the belt tensioner assembly

Detailed Product Description

The Dorman 419-008 accessory drive belt tensioner assembly is a critical component in maintaining the correct tension on the V-belt system of select Chrysler, Dodge, Jeep, and Ram vehicles. Its dual-pulley design with six grooves per pulley accommodates multi-ribbed V-belts, ensuring consistent power transmission to engine accessories. The pulleys combine steel and plastic materials to balance strength and weight, while the two high-quality bearings with an 80 mm diameter provide smooth rotation and long service life. The tensioner rotates counterclockwise, matching the original equipment specifications for proper belt alignment and tension.

Compatible Vehicles and Applications

This tensioner assembly is compatible with a range of vehicles including the Ram 1500 and Ram 2500 trucks, Jeep Grand Cherokee and Commander SUVs, Dodge Durango and Dakota models, and the Chrysler Aspen. It is designed to replace worn or faulty tensioners in these models, restoring proper accessory drive belt function and preventing belt slippage or noise.

• Eliminates belt slippage and squealing noises
• Prevents premature belt wear and damage
• Restores proper accessory drive system tension
• Reduces risk of accessory component failure
• Improves overall engine accessory performance

Installation Notes and Tips

Installation of the Dorman 419-008 tensioner assembly requires basic mechanical skills and appropriate tools. Ensure the engine is off and cool before beginning. Remove the old tensioner carefully, noting belt routing and tensioner orientation. The counterclockwise rotation of this tensioner must be observed during installation to maintain correct belt alignment. After installation, verify belt tension and inspect for proper pulley alignment to avoid premature wear.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable fit and function. The 419-008 tensioner assembly undergoes rigorous quality control to ensure durability and performance. This product is backed by Dorman's limited warranty, covering defects in material and workmanship under normal use conditions.