OE Quality
60-Day Returns

Dorman 419-711 Accessory Drive Belt Idler Pulley
Overview of Dorman 419-711 Accessory Drive Belt Idler Pulley
The Dorman 419-711 accessory drive belt idler pulley is engineered for specific Ford and Lincoln models, including the F-150 and Mark LT. Designed to maintain proper tension and alignment of serpentine belts, this pulley ensures smooth operation of your vehicle's accessory drive system.
- Constructed from durable steel with a black finish for corrosion resistance
- Measures 70.5 mm outside diameter and 23.7 mm width
- Features 6 grooves compatible with serpentine belts
- Inside diameter of 17 mm with a single mounting hole
- Includes one pulley bearing with a 14 mm width for reliable rotation
- Material thickness of 3.3 mm for structural integrity
- Specific fit for Ford F-150 and Lincoln Mark LT models
Detailed Product Description
The Dorman 419-711 idler pulley is a critical component in the accessory drive belt system, designed to guide and maintain tension on the serpentine belt. Made from steel, this pulley offers strength and durability necessary for long-term use in demanding engine environments. Its six-groove design matches the serpentine belt profile, ensuring proper belt tracking and reducing slippage. The pulley’s dimensions, including a 70.5 mm outside diameter and 23.7 mm width, are tailored for specific vehicle applications, providing a precise fit and optimal performance.
Compatible Vehicles and Applications
This idler pulley is specifically designed for use with Ford and Lincoln vehicles, including the Ford F-150 and Lincoln Mark LT. The part number 419-711 corresponds to these models, ensuring compatibility and ease of replacement for the accessory drive belt system.
Common Issues Addressed by the Idler Pulley
- Eliminates belt misalignment and slipping in the accessory drive system
- Reduces noise caused by worn or damaged pulleys
- Prevents premature serpentine belt wear and failure
- Maintains proper tension for efficient accessory operation
- Supports smooth rotation of engine-driven components
Installation Notes and Tips
Installation of the Dorman 419-711 idler pulley requires removal of the serpentine belt and old pulley. Ensure the mounting surface is clean and free of debris before installation. This pulley does not include mounting hardware, so retain or replace bolts as necessary. Proper torque specifications should be followed to avoid damage or loosening during operation. Verify belt alignment and tension after installation to ensure optimal performance.
Quality Assurance and Warranty
Dorman manufactures this idler pulley to meet or exceed OEM specifications for fit, form, and function. The steel construction and precision bearing contribute to reliable operation under normal driving conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.
| Brand | Dorman |
| Part Number | 419-711 |
| Belt Type | Serpentine |
| Color | Black |
| Grade Type | Regular |
| Groove Quantity | 6 |
| Inside Diameter | 17 |
| Material | Steel |
| Material Thickness | 3.3 mm |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 1 |
| Outside Diameter | 70.5 |
| Package Contents | 1 Idler Pulley |
| Pulley Bearing Width (mm) | 14 mm |
| Universal Or Specific Fit | Specific |
| Width | 23.7 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Lincoln | Mark LT | 5.0L | V8 | N/A | Various vehicle models compatible with Accessory Drive Belt Idler Pulley. |
| 2013 | Ford | F-150 | 5.0L | V8 | N/A | Various vehicle models compatible with Accessory Drive Belt Idler Pulley. |
| 2013 | Lincoln | Mark LT | 5.0L | V8 | N/A | Various vehicle models compatible with Accessory Drive Belt Idler Pulley. |
| 2012 | Ford | F-150 | 5.0L | V8 | N/A | Various vehicle models compatible with Accessory Drive Belt Idler Pulley. |
| 2012 | Lincoln | Mark LT | 5.0L | V8 | N/A | Various vehicle models compatible with Accessory Drive Belt Idler Pulley. |
| 2011 | Ford | F-150 | 5.0L | V8 | N/A | From 2/15/11 |
| 2011 | Lincoln | Mark LT | 5.0L | V8 | N/A | Various vehicle models compatible with Accessory Drive Belt Idler Pulley. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.