Dorman 419-016 Accessory Drive Belt Tensioner Assembly

Brand Dorman 419-016
Belt Type Serpentine
Inside Diameter 17
Number of Pulley Bearings 1
Outside Diameter 87
Package Contents Belt Tensioner
Pulley Bearing Diameter (mm) 40 mm
Pulley Material Composite
Pulley Quantity 1
Tensioner Rotation CW (Clockwise)
Width 25.9
Width 26
Fits Jeep · 13 vehicles

OE-style replacement. Matches the fit and function of the original belt tensioner assembly.

Composite pulley. Lightweight construction with one bearing for smooth belt control.

Extensively tested. Built with quality components for reliable performance.

Cross-references Continental 49256, Dayco 89245 and Dorman - Autograde 45813 for the same application. See all 8.

$70.61Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $70.61
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 419-016 Belt Tensioner for Jeep

Dorman 419-016 is an accessory drive belt tensioner assembly built to match the fit and function of the original equipment unit on select Jeep applications. It is engineered with quality components for durability and extensively tested for reliable operation in the serpentine belt system.

  • Accessory drive belt tensioner assembly for serpentine belt systems
  • Designed to match OE fit and function
  • Composite pulley with 40 mm pulley bearing diameter
  • Single-pulley design with one pulley bearing
  • Clockwise (CW) tensioner rotation
  • Cross-references Continental 49256 and Dayco 89245

Built for OE-Style Belt Control

This Dorman 419-016 tensioner helps maintain proper serpentine belt tension in the accessory drive belt system, supporting consistent belt tracking and stable operation. It is a direct-fit replacement for select 1999-2004 Jeep Grand Cherokee and 2000-2006 Jeep Wrangler models, making it a practical choice when replacing a worn or noisy belt tensioner on Jeep Grand Cherokee or Jeep Wrangler applications. The assembly includes a composite pulley and is specified with a 17 inside diameter, 25.9/26 width, and 87 outside diameter for fitment-critical replacement work.

Common Problems This Part Can Address

  • Belt squeal caused by weak or inconsistent tension
  • Serpentine belt tracking issues from a worn tensioner assembly
  • Accessory drive belt vibration or flutter
  • Noise from a failing pulley bearing
  • Reduced belt control in Jeep Grand Cherokee and Jeep Wrangler belt drive systems

Installation Notes and Tips

Verify the belt routing and confirm clockwise tensioner rotation before installation. Compare the pulley diameter, width, and mounting dimensions to the original unit to ensure proper alignment in the serpentine belt system. For best results, inspect the belt and adjacent accessory drive components at the same time, especially on 1999-2004 Jeep Grand Cherokee and 2000-2006 Jeep Wrangler vehicles.

Quality Assurance

Dorman designs this replacement tensioner assembly to match OE fit and function and tests it for dependable performance. Part number 419-016 is built with quality components for durability and is backed by Dorman’s product engineering standards.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006JeepWrangler4.0LL6N/A
2005JeepWrangler4.0LL6N/A
2004JeepGrand Cherokee4.0LL6N/A
2004JeepWrangler4.0LL6N/A
2003JeepGrand Cherokee4.0LL6N/A
2003JeepWrangler4.0LL6N/A
2002JeepGrand Cherokee4.0LL6N/A
2002JeepWrangler4.0LL6N/A
2001JeepGrand Cherokee4.0LL6N/A
2001JeepWrangler4.0LL6N/A
2000JeepGrand Cherokee4.0LL6N/A
2000JeepWrangler4.0LL6N/A
1999JeepGrand Cherokee4.0LL6N/A
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Continental — 49256Dayco — 89245Dorman - Autograde — 45813Gates — 38163SKP — SK8924558134854089KR-90245