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Moog K8747 Steering Idler Arm
| Brand | Moog K8747 |
|---|---|
| Castle Nut Included | Yes |
| Grease Fitting Included | Yes |
| Length | 5.425 |
| Length | 137.8 |
| Mounting Hole Diameter | 3.433 |
| Mounting Hole Diameter | 87.2 |
| Pre-Greased | Yes |
| Fits | Ford and Lincoln · 24 vehicles |
Simplified installation. Design enhancements help make replacement easier.
Pre-greased. Ready for installation with less prep time.
Grease fitting included. Allows routine lubrication to help extend service life.
Cross-references Dorman - OE Solutions 580-138, MAS Industries IA8747 and Mevotech Supreme MK8747 for the same application. See all 21.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Steering Idler Arm for Ford Trucks and SUVs
Restore steering support with the MOOG K8747 steering idler arm. This OE-style replacement is built with a pre-greased design, a grease fitting, and a castle nut included for service-friendly installation on select Ford and Lincoln applications.
- Pre-greased for initial lubrication at installation
- Grease fitting included for routine maintenance
- Castle nut included
- Length: 137.8 mm / 5.425 in
- Mounting hole diameter: 87.2 mm / 3.433 in
- Fits applications with 3-1/2 in between mount holes
Built for Steering Support
The MOOG K8747 steering idler arm is made for vehicles that need a direct replacement for worn steering linkage support. It is compatible with 1997-2004 Ford F-150, 2004 Ford F-150 Heritage, 1997-2002 Ford Expedition, 1998-2002 Lincoln Navigator, and 1997-1999 Ford F-250 applications that use 3-1/2 inches between mount holes. MOOG’s design focus centers on extending service life and simplifying replacement, and this part includes a powdered-metal Gusher bearing to help grease reach the bearing surfaces.
This part cross-references Dorman OE Solutions 580-138 for the same application.
Common Problems This Part Can Address
- Excessive steering play or looseness
- Uneven or delayed steering response
- Clunking or wandering caused by a worn idler arm
- Grease starvation at the bearing surfaces
- Fitment issues on Ford F-150, Expedition, Navigator, or F-250 steering linkage service
Installation Notes and Tips
Verify the mounting-hole spacing before installation; this part is specified for 3-1/2 inches between mount holes. Confirm vehicle year, make, and model against the fitment list for your Ford F-150, Ford Expedition, Lincoln Navigator, or Ford F-250. Inspect related steering components during service and grease the fitting after installation according to your maintenance schedule.
Quality Assurance
MOOG is known in the chassis industry for ongoing design improvements that support longer part life and easier replacement. The K8747 steering idler arm reflects that approach with a serviceable grease fitting, pre-greased construction, and a bearing design intended to help lubricant reach the working surfaces.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Ford | F-150 | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2004 | Ford | F-150 Heritage | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2003 | Ford | F-150 | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2002 | Ford | Expedition | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2002 | Ford | F-150 | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2002 | Lincoln | Navigator | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2001 | Ford | Expedition | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2001 | Ford | F-150 | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2001 | Lincoln | Navigator | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2000 | Ford | Expedition | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2000 | Ford | F-150 | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2000 | Lincoln | Navigator | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1999 | Ford | Expedition | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1999 | Ford | F-150 | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1999 | Ford | F-250 | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1999 | Lincoln | Navigator | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1998 | Ford | Expedition | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1998 | Ford | F-150 | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1998 | Ford | F-250 | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1998 | Lincoln | Navigator | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1997 | Ford | Expedition | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1997 | Ford | F-150 | — | — | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1997 | Ford | F-250 | 4.6L | V8 | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1997 | Ford | F-250 | 5.4L | V8 | N/A | with 3-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
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