Dorman 419-008 Accessory Drive Belt Tensioner Assembly

Dorman 419-008 Belt Tensioner Assembly

Dorman 419-008 is a replacement accessory drive belt tensioner assembly for select Ram, Dodge, Jeep, and Chrysler vehicles. It is built to match the original equipment fit and function, with quality components and tested performance for dependable belt control.

• Replacement accessory drive belt tensioner assembly for OE-style fit and function
• Designed for V-belt applications with 6 grooves
• Steel and plastic pulley construction for balanced durability
• Counter-clockwise tensioner rotation
• Dual pulley bearings for smooth operation
• Cross-references Mopar 53030958AC for the same application

Built for OE-Style Belt Control

This Dorman belt tensioner assembly helps maintain proper accessory drive belt tension on vehicles such as the Dodge Dakota, Dodge Ram 1500, Dodge Ram 2500, Jeep Grand Cherokee, Jeep Commander, Chrysler Aspen, Ram 1500, Ram 2500, and Ram Dakota. Part number 419-008 is engineered to match the original tensioner’s fit and function, making it a direct replacement choice for service work on the accessory drive belt system.

Key dimensions include a 34 inside diameter, 77 outside diameter, 24 and 26 width measurements, and an 80 mm pulley bearing diameter. The pulley uses a steel and plastic design with two pulley bearings and six grooves to support stable belt tracking in the engine bay.

Common Problems This Part Addresses

• Belt squeal caused by weak or inconsistent tension
• Accessory drive belt slippage on worn tensioner assemblies
• Uneven belt tracking from pulley wear
• Noise from failing pulley bearings
• Loss of proper belt tension on V-belt systems

Installation Notes

Verify belt routing, pulley alignment, and tensioner rotation before installation. This assembly uses counter-clockwise rotation, so confirm the replacement matches the original unit on your vehicle. Check the belt condition and related pulleys during service to avoid repeat belt noise or premature wear. Fits 2000-2010 Dodge Dakota, 2002-2010 Dodge Ram 1500, 2002-2010 Dodge Ram 2500, 2006-2010 Jeep Commander, 1999-2010 Jeep Grand Cherokee, 2007-2009 Chrysler Aspen, 2000-2009 Dodge Durango, 2011 Dodge Dakota, 2011-2013 Ram 1500, and 2011-2013 Ram 2500.

Quality Assurance

Dorman designs this replacement tensioner assembly with quality components and tests it for reliable performance. Part number 419-008 is built as an OE-style service replacement for the specified applications.