Gates 39342 Accessory Drive Belt Tensioner Assembly

OE Automatic Belt Tensioner for Chrysler, Jeep, and Ram

The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 39342, is built for accessory drive belt systems that require precise belt control and consistent pulley alignment. It is an OE Exact replacement with fit, form, and function matched to original equipment specifications.

Compatible with Chrysler Pacifica, Chrysler Voyager, Jeep Cherokee, and Ram ProMaster 1500/2500/3500 applications, this tensioner supports proper V-ribbed belt operation in vehicles using a serpentine drive layout. The Gates 39342 is engineered for direct replacement service where OE-level dimensions and pulley design matter.

Key Features

• DriveAlign Premium OE Automatic Belt Tensioner assembly
• OE Exact comparison rating for original-equipment-style replacement
• Thermoplastic construction
• 6-groove V-ribbed pulley with flanged design
• 1 mounting hole and 1 pulley configuration
• V-ribbed grooved contact surface for belt tracking
• Pulley dimensions: 2.47 in. outside diameter, 1.14 in. width
• Bearing bore inside diameter: 0.67 in. (17 mm)

Product Details

Gates draws on original equipment system design experience to produce premium automatic belt tensioners that meet rigid manufacturing tolerances. Part number 39342 is made to match OE specifications for dimensional accuracy and dependable belt tensioning in accessory drive belt systems. The 6-groove pulley and V-ribbed contact surface are suited to serpentine belt routing found on Chrysler Pacifica, Jeep Cherokee, and Ram ProMaster models listed below.

This part cross-references Continental 49498 and Dayco 89718 for the same application.

Common Problems This Part Can Help Address

• Belt squeal caused by weak or inconsistent tension
• Serpentine belt flutter or misalignment
• Accessory drive noise from a worn tensioner pulley
• Uneven belt wear from poor pulley tracking
• Loss of proper belt tension in the accessory drive system

Installation Notes and Tips

• Verify belt routing and pulley alignment before installation.
• Inspect the serpentine belt, idler pulleys, and related accessory drive components during service.
• Confirm OE-style mounting and clearance before final tightening.
• Use the vehicle’s exact year, make, and model to confirm application match for Gates 39342.

Quality Assurance

Gates manufactures this DriveAlign Premium OE Automatic Belt Tensioner to rigid OE tolerances and specifications for fit, form, and function. That OE-focused approach supports consistent replacement quality for the listed Chrysler, Jeep, and Ram applications.

Vehicle Fitment

• Fits 2017-2025 Chrysler Pacifica, N/A
• Fits 2022-2025 Ram ProMaster 1500, N/A
• Fits 2022-2025 Ram ProMaster 2500, N/A
• Fits 2022-2025 Ram ProMaster 3500, N/A
• Fits 2023 Chrysler Voyager, Serpentine, W/Stop-Start Engine Control System; DriveAlign Premium OE Automatic Belt Tensioner
• Fits 2014-2022 Jeep Cherokee, N/A
• Fits 2020-2021 Chrysler Voyager, N/A
• Fits 2015-2017 Chrysler 200, N/A