Dorman 419-706 Accessory Drive Belt Idler Pulley
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$40.30
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.
- Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehicles
- Restores performance - fixes a failed, squealing or groaning noise from a worn idler pulley
- Application specific - reverse engineered from the original design on certain vehicle years, makes and models
- Trustworthy quality - backed by team of engineers and quality specialists in the United States
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2010 | Ford | E-350 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2010 | Ford | E-350 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2010 | Ford | E-450 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2010 | Ford | E-450 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2010 | Ford | F-250 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2010 | Ford | F-250 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2010 | Ford | F-350 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2010 | Ford | F-350 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2010 | Ford | F-450 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2010 | Ford | F-450 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2010 | Ford | F-550 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2010 | Ford | F-550 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2009 | Ford | E-350 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2009 | Ford | E-350 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2009 | Ford | E-450 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2009 | Ford | E-450 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2009 | Ford | F-250 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2009 | Ford | F-250 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2009 | Ford | F-350 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2009 | Ford | F-350 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2009 | Ford | F-450 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2009 | Ford | F-450 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2009 | Ford | F-550 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2009 | Ford | F-550 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2008 | Ford | E-350 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2008 | Ford | E-350 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2008 | Ford | E-450 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2008 | Ford | E-450 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2008 | Ford | F-250 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2008 | Ford | F-250 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2008 | Ford | F-350 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2008 | Ford | F-350 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2008 | Ford | F-450 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2008 | Ford | F-450 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2008 | Ford | F-550 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Dual Alternators |
| 2008 | Ford | F-550 Super Duty | V8 391 6.4L | Left | Smooth Pulley; w/Single Alternator |
| 2007 | Ford | E-350 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2007 | Ford | E-350 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2007 | Ford | E-450 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2007 | Ford | E-450 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2007 | Ford | F-250 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2007 | Ford | F-250 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2007 | Ford | F-350 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2007 | Ford | F-350 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2007 | Ford | F-450 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2007 | Ford | F-450 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2007 | Ford | F-550 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2007 | Ford | F-550 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
| 2006 | Ford | E-350 Super Duty | V8 363 6.0L | Above Water Pump | Smooth Pulley; w/Single Alternator |
| 2006 | Ford | E-350 Super Duty | V8 363 6.0L | Left | Smooth Pulley; w/Dual Alternators |
Product Specifications
| Belt Type: | Serpentine |
|---|---|
| Color: | Black |
| Grade Type: | OEM |
| Groove Quantity: | 0 |
| Inside Diameter: | 17 mm |
| Material: | Steel |
| Material Thickness: | 2.8 mm |
| Mounting Hardware Included: | Yes |
| Mounting Hole Quantity: | 1 |
| Outside Diameter: | 90 mm |
| Package Contents: | 1 Idler Pulley |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Pulley Bearing Quantity: | 1 |
| Pulley Bearing Width (mm): | 14 mm |
| Pulley Diameter (mm): | 90 mm |
| Pulley Width (mm): | 28 mm |
| Universal Or Specific Fit: | Specific |
| Width: | 28 mm |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 3C3Z8678BA | FORD MOTOR COMPANY |
| 3C3Z8678BB | FORD MOTOR COMPANY |
| 7C3Z8678B | FORD MOTOR COMPANY |