Dorman 419-638 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
$25.81
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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 |
|---|---|---|---|---|---|
| 2008 | Chevrolet | Corvette | V8 376 6.2L (6162cc) | Air Conditioning Belt | |
| 2008 | Chevrolet | Corvette | V8 427 7.0L (7011cc) | Air Conditioning Belt | |
| 2008 | Pontiac | Solstice | L4 122 2.0L (1998cc) | Power Steering | |
| 2008 | Pontiac | Solstice | L4 145 2.4L (2384cc) | Power Steering | |
| 2007 | Cadillac | CTS | V8 364 6.0L (5967cc) | Air Conditioning Belt | |
| 2007 | Chevrolet | Corvette | V8 364 6.0L (5967cc) | Air Conditioning Belt | |
| 2007 | Chevrolet | Corvette | V8 427 7.0L (7011cc) | Air Conditioning Belt | |
| 2007 | Pontiac | Solstice | L4 122 2.0L (1998cc) | Power Steering | |
| 2007 | Pontiac | Solstice | L4 145 2.4L (2384cc) | Power Steering | |
| 2006 | Cadillac | CTS | V8 364 6.0L (5967cc) | Air Conditioning Belt | |
| 2006 | Chevrolet | Corvette | V8 364 6.0L (5967cc) | Air Conditioning Belt | |
| 2006 | Chevrolet | Corvette | V8 427 7.0L (7011cc) | Air Conditioning Belt | |
| 2006 | Pontiac | GTO | V8 364 6.0L (5967cc) | Air Conditioning Belt | |
| 2006 | Pontiac | Solstice | L4 145 2.4L (2384cc) | Power Steering | |
| 2005 | Cadillac | CTS | V8 346 5.7L | Air Conditioning Belt | |
| 2005 | Chevrolet | Corvette | V8 364 6.0L (5967cc) | Air Conditioning Belt | |
| 2005 | Pontiac | GTO | V8 364 6.0L (5967cc) | Air Conditioning Belt | |
| 2004 | Cadillac | CTS | V8 346 5.7L | Air Conditioning Belt | |
| 2004 | Pontiac | GTO | V8 350 5.7L | Air Conditioning Belt |
Product Specifications
| Belt Type: | Serpentine |
|---|---|
| Color: | Black |
| Groove Quantity: | 0 |
| Inside Diameter: | 17 mm |
| Material: | Steel |
| Mounting Hole Quantity: | 0 |
| Package Contents: | 1 Idler Pulley |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Pulley Bearing Quantity: | 1 |
| Pulley Bearing Width (mm): | 12 mm |
| Pulley Diameter (mm): | 62.94 mm |
| Pulley Width (mm): | 18.1 mm |
| Universal Or Specific Fit: | Specific |
| Width: | 18.1 mm |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 12557334 | GENERAL MOTORS |
| 12557335 | GENERAL MOTORS |
| NON-DIRECT OE CROSS | |
|---|---|
| 12585551 | GENERAL MOTORS |
| 12595289 | GENERAL MOTORS |