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Dorman 580-138 Steering Idler Arm
| Brand | Dorman 580-138 |
|---|---|
| Material | Steel |
| Length | 140 |
| Color | Black |
| Finish | Coated |
| Pre-Greased | Yes |
| Arm Stud Thread Diameter | 14 |
| Castle Nut Included | Yes |
| Arm Attachment Type | Taper |
| Bracket Hole Quantity | 2 |
| Grease Fitting Included | Yes |
| Cotter Pin Included | Yes |
| Shape | L shape |
| Greaseable | Yes |
| Arm Stud Threaded | Yes |
| Bracket Included | Yes |
| Bracket Stud Included | No |
| Grade Type | Regular |
| Mounting Hardware Included | Yes |
| Package Contents | Idler arm; castle nut; cotter pin |
| Fits | Ford and Lincoln · 27 vehicles |
Direct replacement. Engineered for the original steering linkage on specific applications.
Steel construction. Coated finish and black finish help resist corrosion in service.
Service-ready design. Pre-greased, greaseable, and supplied with bracket and hardware.
Cross-references F85Z3350BA for the same application. See all 1.
Steering Idler Arm Overview
This Dorman steering idler arm is a direct replacement component for specific Ford and Lincoln applications. It is built from steel and finished with a protective coating for dependable steering linkage service.
Key Features
- Steel construction with a coated black finish for corrosion resistance.
- Pre-greased and greaseable design for serviceable operation.
- Includes a bracket, castle nut, cotter pin, and mounting hardware.
- Tapered arm attachment with a threaded arm stud for secure connection.
- Precision-engineered and rigorously tested replacement part.
Detailed Description
Part number 580-138 is a steering idler arm engineered as a replacement for the original component on select Ford F-150, Ford Expedition, Lincoln Navigator, and related applications. The steel body, L-shape design, and coated finish support stable steering linkage function, while the pre-greased and greaseable construction helps simplify service intervals. The included bracket and hardware details make this a practical choice when replacing a worn steering idler arm on compatible trucks and SUVs. This part cross-references Ford F85Z3350BA for the same application.
Common Issues It May Solve
- Excessive steering play caused by wear in the idler arm.
- Loose or inconsistent steering response from a fatigued linkage component.
- Noise or movement from a worn steering support point.
- Service replacement needs when the original idler arm is damaged or corroded.
Installation Notes and Tips
Verify bolt-hole spacing and application details before installation. This idler arm uses a tapered attachment and threaded stud, so proper alignment and torque are important during service. Confirm the steering linkage condition and inspect related components for wear at the same time.
Quality Assurance
Dorman states that this part is precision-engineered and rigorously tested to provide a reliable replacement for the original component on specific vehicles.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2004 | Ford | F-150 Heritage | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2003 | Ford | F-150 | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2003 | Ford | Lobo | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2002 | Ford | Expedition | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2002 | Ford | F-150 | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2002 | Ford | Lobo | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2002 | Lincoln | Blackwood | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2002 | Lincoln | Navigator | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2001 | Ford | Expedition | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2001 | Ford | F-150 | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2001 | Ford | Lobo | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2001 | Lincoln | Navigator | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2000 | Ford | Expedition | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2000 | Ford | F-150 | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2000 | Ford | Lobo | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 2000 | Lincoln | Navigator | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1999 | Ford | Expedition | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1999 | Ford | F-150 | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1999 | Ford | Lobo | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1999 | Lincoln | Navigator | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1998 | Ford | Expedition | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1998 | Ford | F-150 | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1998 | Ford | Lobo | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1998 | Lincoln | Navigator | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1997 | Ford | Expedition | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1997 | Ford | F-150 | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
| 1997 | Ford | Lobo | Bolt Holes Center to Center: 3.43 In.; Sell Until Depleted |
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