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Walker 55991 Exhaust Pipe
| Brand | Walker 55991 |
|---|---|
| 10981 | Not specified; could be serrated |
| Inlet Outside Diameter | 2.750 |
| Outlet Outside Diameter | 3.000 |
| Length | 60.180 |
| Tapered Outlet | No |
| Welded Hanger | Yes |
| Grade Type | Premium |
| Inlet Type | Pipe connection |
| Outlet Type | Pipe connection |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Pipe Material | Steel |
| Tips de Instalación | No |
| Universal Or Specific Fit | Specific |
| Fits | Ford and Lincoln · 5 vehicles |
Aluminized steel. Built for durability in exhaust service and everyday road exposure.
Precision-formed. Manufactured with benders and fixture checking for accurate fit.
Welded hanger. Integrated into the pipe design for proper routing and support.
Cross-references AP Exhaust 48296 and FL1Z5230D for the same application. See all 2.
Overview
Walker 55991 is a specific-fit exhaust pipe built for direct replacement applications. It is made from aluminized steel and formed with precision benders, then fixture checked for fit accuracy to support a clean installation on compatible Ford Expedition and Lincoln Navigator applications.
Key Features
- Aluminized steel construction for added durability in exhaust service.
- Precision-formed pipe profile for consistent fit and alignment.
- Fixture checked during manufacturing to help ensure accurate dimensions.
- Welded hanger included in the pipe design.
- Pipe connection inlet and outlet for a straightforward exhaust repair.
- Specific-fit design for the listed vehicle applications.
Detailed Description
This Walker exhaust pipe, part number 55991, is engineered as a replacement exhaust component with a 2.750-inch inlet outside diameter, a 3.000-inch outlet outside diameter, and a 60.180-inch overall length. The steel construction and aluminized finish help the pipe stand up to exhaust system heat and road exposure, while the welded hanger supports proper routing and mounting. For buyers servicing a Ford Expedition or Lincoln Navigator, Walker 55991 provides a fit-focused solution that matches the listed applications without requiring a universal adaptation approach. This part cross-references AP Exhaust 48296 for the same application.
Common Uses
- Repairing a damaged or rusted exhaust pipe.
- Replacing a leaking section of the exhaust system.
- Restoring proper exhaust routing after corrosion or impact damage.
- Addressing fit issues caused by an incorrect previous replacement.
Installation Notes
Verify inlet and outlet diameters, overall length, and hanger location before installation. This pipe uses pipe connection ends and is listed as a specific-fit part for the stated applications. Confirm exhaust alignment and surrounding clearance during installation on Ford Expedition and Lincoln Navigator models.
Quality Assurance
Walker manufactures this premium pipe with precision bending and fixture checking to support consistent fit and installation accuracy. Part number 55991 is built to the brand's exhaust replacement standards for the listed applications.
| Year | Make | Model | Submodel | Liters | Cylinders | Notes |
|---|---|---|---|---|---|---|
| 2017 | Ford | Expedition | EL SSV | 3.5L | V6 | — |
| 2017 | Lincoln | Navigator | L Select | 3.5L | V6 | — |
| 2016 | Ford | Expedition | EL SSV | 3.5L | V6 | — |
| 2016 | Lincoln | Navigator | L Select | 3.5L | V6 | — |
| 2015 | Ford | Expedition | EL Limited | 3.5L | V6 | — |
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