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Moog K8739T Steering Idler Arm
| Brand | Moog K8739T |
|---|---|
| Length | 138.0 |
| Length | 5.433 |
| Pre-Greased | Yes |
| Castle Nut Included | Yes |
| Grease Fitting Included | Yes |
| Mounting Hole Diameter | 2.500 |
| Mounting Hole Diameter | 63.5 |
| Fits | Ford and Lincoln · 25 vehicles |
Cross-references Mevotech Supreme MK8739T, MOOG Chassis Products K8739T and 1L3Z3350AA for the same application. See all 22.
Steering Idler Arm Overview
The MOOG K8739T steering idler arm is a direct-fit chassis replacement for select Ford and Lincoln trucks and SUVs. It is built with service-friendly features that support smoother maintenance and dependable steering linkage operation.
Key Features
- Pre-greased design for easier initial service.
- Includes a grease fitting for routine lubrication.
- Castle nut included for a complete steering-side installation.
- 2.500 in. mounting hole diameter for confirmed fitment applications.
- MOOG K8739T is part of the brand’s Problem Solver chassis line.
Detailed Description
MOOG K8739T is a steering idler arm engineered for vehicles that use a 2-1/2 in. between-mount-holes specification. Confirmed applications include 1997-2004 Ford F-150, 2004 Ford F-150 Heritage, 1997-2002 Ford Expedition, 2002 Lincoln Blackwood, 1998-2002 Lincoln Navigator, and 1997-1999 Ford F-250. This part cross-references Mevotech Supreme MK8739T for the same application.
As a steering linkage component, the idler arm helps maintain proper support on the passenger-side steering system geometry used in these Ford and Lincoln platforms. The pre-greased construction and included grease fitting are intended to simplify routine lubrication, while the supplied castle nut supports replacement work on the steering assembly. The MOOG K8739T part number is also used when searching for a steering idler arm for Ford F-150 and related applications.
What It Is Used For
- Restoring steering linkage support when the original idler arm is worn.
- Addressing looseness or play in the steering system.
- Replacing a damaged greaseable steering support component.
- Correcting steering response issues caused by worn pivot surfaces.
- Servicing Ford F-150, Expedition, Navigator, Blackwood, and F-250 steering systems.
Installation Notes and Tips
Verify the 2-1/2 in. mounting-hole spacing before installation. Match the application to the confirmed vehicle listing and inspect adjacent steering linkage parts for wear during replacement. Use the grease fitting during service intervals to maintain lubrication.
Quality Assurance
MOOG is known for chassis components that incorporate design improvements aimed at extending service life and simplifying replacement. K8739T follows that product approach for steering linkage service on confirmed Ford and Lincoln applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Ford | F-150 | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2004 | Ford | F-150 Heritage | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2003 | Ford | F-150 | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2002 | Ford | Expedition | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2002 | Ford | F-150 | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2002 | Lincoln | Blackwood | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2002 | Lincoln | Navigator | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2001 | Ford | Expedition | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2001 | Ford | F-150 | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2001 | Lincoln | Navigator | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2000 | Ford | Expedition | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2000 | Ford | F-150 | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 2000 | Lincoln | Navigator | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1999 | Ford | Expedition | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1999 | Ford | F-150 | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1999 | Ford | F-250 | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1999 | Lincoln | Navigator | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1998 | Ford | Expedition | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1998 | Ford | F-150 | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1998 | Ford | F-250 | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1998 | Lincoln | Navigator | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1997 | Ford | Expedition | — | — | N/A | with 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
| 1997 | Ford | F-150 | — | — | N/A | with 2-1/2 (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 2-1/2 (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 2-1/2 (in) Between Mount Holes; Includes Powdered-Metal Gusher Bearing To Allow Grease To Penetrate Bearing Surfaces |
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