Dorman 419-018 Accessory Drive Belt Tensioner Assembly

Dorman 419-018 Belt Tensioner for PT Cruiser

Dorman 419-018 is an accessory drive belt tensioner assembly built as a direct replacement for the original equipment unit on select Chrysler PT Cruiser models. It is engineered to match OE fit and function, with quality components and tested performance for dependable serpentine belt operation.

Key Features

• Accessory drive belt tensioner assembly for serpentine belt systems
• Direct replacement for the factory belt tensioner on 2006-2010 Chrysler PT Cruiser
• Single-pulley design with one pulley bearing
• Composite pulley construction for durable operation
• Clockwise (CW) tensioner rotation
• Part number 419-018 for easy identification

Detailed Description

This Dorman 419-018 belt tensioner assembly is designed for vehicles using a serpentine belt layout and is specified for 2006-2010 Chrysler PT Cruiser applications. It features a 70 mm outside diameter pulley, a 40 mm pulley bearing diameter, and a 17 mm inside diameter, with listed widths of 19.3 mm and 19.5 mm. The assembly includes one pulley and one pulley bearing, helping restore proper belt tension and pulley tracking in the accessory drive system. This part cross-references Gates 38176 for the same application.

What It Helps Fix

• Loose or inconsistent serpentine belt tension
• Belt squeal caused by worn tensioner components
• Accessory drive belt tracking issues
• Noise from a failing pulley bearing
• Reduced belt control on Chrysler PT Cruiser engine accessory systems

Installation Notes and Tips

Verify belt routing and tensioner rotation before installation. Confirm the pulley dimensions and clockwise rotation match the original unit on your vehicle. For best results, inspect the serpentine belt, idler pulleys, and related accessory drive components at the same time, especially on 2006-2010 Chrysler PT Cruiser models. Part number 419-018 should be matched to the vehicle’s original tensioner configuration before installation.

Quality Assurance

Dorman states that this replacement belt tensioner assembly is built with quality components and has been extensively tested for reliable performance. It is engineered to match the fit and function of the original equipment tensioner on specified vehicles.