Dorman IA90289RD Steering Idler Arm w/ Bracket 11-25 Chevy Silverado GMC Sierra
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
$120.96
Select your vehicle at the top of the page to check fitment.
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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.
This steering idler arm and bracket assembly is engineered to match the fit, function and performance of the original assembly to help restore proper steering function on specific vehicle years, makes and models.
- Direct replacement - this steering idler arm and bracket assembly is engineered to match the fit, function and performance of the original assembly on specified vehicle years, makes and models
- Perfect fit - engineered to provide the same fit and function of a factory assembly when the idler arm or bracket has failed due to wear or impact
- Durable construction - this assembly is made from quality materials and components for reliable service
- Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011-2018 | Chevrolet | Silverado 2500 | ||
| 2011-2025 | Chevrolet | Silverado 2500 HD | ||
| 2015-2017 | Chevrolet | Silverado 3500 | ||
| 2011-2013 | Chevrolet | Silverado 3500 | ||
| 2011-2025 | Chevrolet | Silverado 3500 HD | ||
| 2011-2025 | GMC | Sierra 2500 HD | ||
| 2011-2025 | GMC | Sierra 3500 HD |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | IA90289RD |
| UPC | 889245605863 |
| Material | Steel |
| Length | 157.5 mm |
| Color | Black |
| Shape | Bent |
| Finish | Coated |
| Mounting Hole Diameter | 20.45 mm |
| Pre-Greased | Yes |
| Castle Nut Included | Yes |
| Arm Attachment Type | Taper |
| Bracket Hole Quantity | 1 |
| Grease Fitting Included | Yes |
| Grade Type | Standard Replacement |
| Arm Stud Thread Diameter | 16 mm |
| Bracket Stud Included | Yes |
| Bracket Stud Thread Diameter | 20 mm |
| Mounting Hardware Included | Yes |
| Package Contents | 1 Idler Arm; 1 Ball Joint; 1 Castle Nut; 1 Zerk Fitting; 1 Cotter Pin |
| Stud Thread Diameter | 16 mm |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 84068279 | General Motors (OE) |
|---|---|
| 84467788 | General Motors (OE) |
| TXMS50914 | Interchange |
| TA5584 | Interchange |
| K400018 | Interchange |