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Dorman 577-944 Fuel Filler Neck
| Brand | Dorman 577-944 |
|---|---|
| Color | Black |
| Compatible Fuel Type | Gas |
| Fill Pipe Inside Diameter | 1.5 |
| Fuel Cap Included | No |
| Hose Included | Yes |
| Length | 36 |
| Material | Steel |
| Mounting Hardware Included | Yes |
| Package Contents | 1 Fuel Filler Neck |
| Vent 1 Type | Metal Tube |
| Vent Line Attached | Yes |
| Vent Quantity | 1 |
| Fits | INFINITI and Nissan · 10 vehicles |
Precision-engineered replacement. Matches the original filler neck for a reliable repair.
Steel construction. Built for durable fuel delivery and storage service.
Vent line attached. Includes a metal vent tube for a complete assembly.
Cross-references Spectra Premium FN634, 172210W000 and SK577944 for the same application. See all 3.
Fuel Tank Filler Neck for Pathfinder and QX4
This Dorman fuel tank filler neck is a direct replacement for select Nissan Pathfinder and INFINITI QX4 models from 1997-2001. It is built from steel and engineered to match the original filler neck design for a reliable repair when the factory neck is leaking or corroded.
Key Features
- Steel construction for fuel system durability
- 36-inch length with a 1.5-inch inside diameter fill pipe
- Includes hose and mounting hardware
- Vent line attached with one metal tube vent
- Black finish
- For gas applications
- Fuel cap not included
Detailed Description
Dorman 577-944 is a replacement fuel tank filler neck designed for select 1997-2001 Nissan Pathfinder and 1997-2001 INFINITI QX4 applications. It follows the original equipment layout with an attached vent line, hose connection, and steel construction to restore the fuel fill path after rust, leakage, or physical damage. The part number 577-944 is also referenced by Spectra Premium FN634 for the same application.
This fuel filler neck is a practical OE-style repair for drivers searching for a 1997-2001 Nissan Pathfinder fuel filler neck replacement or a 1997-2001 INFINITI QX4 fuel tank filler neck. It is built for gasoline use and is intended to match the factory fitment and connection points on the listed vehicles.
What It Helps Fix
- Fuel leaking near the filler neck
- Rust or corrosion in the original neck
- Cracks or separation at the fill pipe
- Vent line damage or deterioration
- Fuel odor caused by a compromised filler assembly
Installation Notes and Tips
Verify vehicle year and model before installation. Inspect the hose, vent connection, and surrounding filler area for corrosion or wear before transferring the replacement neck into place. Confirm the fuel cap condition separately, since it is not included. This part cross-references Spectra Premium FN634 for the same application.
Quality Assurance
Dorman 577-944 is precision-engineered and thoroughly tested to match the original filler neck design for the listed vehicle applications. It is built to support a dependable repair on compatible Nissan Pathfinder and INFINITI QX4 fuel storage systems.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2001 | INFINITI | QX4 | N/A | — |
| 2001 | Nissan | Pathfinder | N/A | — |
| 2000 | INFINITI | QX4 | N/A | — |
| 2000 | Nissan | Pathfinder | N/A | — |
| 1999 | INFINITI | QX4 | N/A | — |
| 1999 | Nissan | Pathfinder | N/A | — |
| 1998 | INFINITI | QX4 | N/A | — |
| 1998 | Nissan | Pathfinder | N/A | — |
| 1997 | INFINITI | QX4 | N/A | — |
| 1997 | Nissan | Pathfinder | N/A | — |
| No rows match your filter. | ||||