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Spectra FN643 Fuel Filler Neck
| Brand | Spectra FN643 |
|---|---|
| Fits | Dodge · 18 vehicles |
OE direct replacement. Meets or exceeds original equipment performance.
Fuel filler neck for dependable fuel delivery.
Cross-references 577930, 52102491AA and D003 for the same application. See all 6.
Spectra FN643 Fuel Tank Filler Neck
The Spectra FN643 fuel tank filler neck is an OE-style replacement for select Dodge Ram trucks. It is built for 2000-2002 Dodge Ram 2500 and 2000-2001 Dodge Ram 1500 applications, with engineering and quality control aimed at matching original equipment performance.
Key Features
- Fuel tank filler neck for air and fuel delivery service
- Direct-fit replacement for select Dodge Ram 1500 and Ram 2500 models
- Built with Spectra Premium engineering and manufacturing processes
- Designed to meet or exceed the performance of the original part it replaces
- Cross-reference part number: 577930
Detailed Description
Use the Spectra FN643 when replacing a damaged, rusted, or leaking filler neck on compatible Dodge Ram trucks. This part supports proper fuel filling and helps restore the connection between the fuel door area and the tank inlet. It fits 2000-2002 Dodge Ram 2500 and 2000-2001 Dodge Ram 1500, making it a practical choice for Ram 2500 fuel tank filler neck replacement and Dodge Ram 1500 fuel filler neck repair.
This part number, FN643, is also referenced as 577930 for the same application. The Spectra FN643 is a focused replacement for drivers searching for a 2000-2002 Dodge Ram 2500 fuel filler neck or a 2000-2001 Dodge Ram 1500 filler neck.
Common Issues It Can Help Solve
- Fuel leakage around a corroded or cracked filler neck
- Difficulty refueling caused by a damaged inlet tube
- Rust or physical damage at the fuel fill connection
- Fuel odor near the rear of the vehicle from a compromised neck
- Poor fuel transfer into the tank during fill-up
Installation Notes and Tips
Verify vehicle year and model before installation. Compare the original filler neck routing, mounting points, and inlet shape to confirm a proper match for your Ram truck. Inspect surrounding hoses, seals, and attachment points during replacement so the new filler neck can be installed on a clean, serviceable fuel fill path.
Quality Assurance
Spectra Premium states that its engineering, manufacturing technology, and quality control are used to produce fuel filler necks that meet or exceed the performance of the original equipment they replace.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2002 | Dodge | Ram 2500 | Standard Cab Pickup | 8.0L | V10 | N/A | — |
| 2002 | Dodge | Ram 2500 | Extended Cab Pickup | 8.0L | V10 | N/A | — |
| 2002 | Dodge | Ram 2500 | Standard Cab Pickup | 5.9L | V8 | N/A | — |
| 2002 | Dodge | Ram 2500 | Extended Cab Pickup | 5.9L | V8 | N/A | — |
| 2001 | Dodge | Ram 1500 | — | 5.9L | V8 | N/A | — |
| 2001 | Dodge | Ram 1500 | — | 5.2L | V8 | N/A | — |
| 2001 | Dodge | Ram 1500 | — | 3.9L | V6 | N/A | — |
| 2001 | Dodge | Ram 2500 | Standard Cab Pickup | 8.0L | V10 | N/A | — |
| 2001 | Dodge | Ram 2500 | Extended Cab Pickup | 8.0L | V10 | N/A | — |
| 2001 | Dodge | Ram 2500 | Standard Cab Pickup | 5.9L | V8 | N/A | — |
| 2001 | Dodge | Ram 2500 | Extended Cab Pickup | 5.9L | V8 | N/A | — |
| 2000 | Dodge | Ram 1500 | — | 5.9L | V8 | N/A | — |
| 2000 | Dodge | Ram 1500 | — | 5.2L | V8 | N/A | — |
| 2000 | Dodge | Ram 1500 | — | 3.9L | V6 | N/A | — |
| 2000 | Dodge | Ram 2500 | Standard Cab Pickup | 8.0L | V10 | N/A | — |
| 2000 | Dodge | Ram 2500 | Extended Cab Pickup | 8.0L | V10 | N/A | — |
| 2000 | Dodge | Ram 2500 | Standard Cab Pickup | 5.9L | V8 | N/A | — |
| 2000 | Dodge | Ram 2500 | Extended Cab Pickup | 5.9L | V8 | N/A | — |
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