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Dorman 577-240 Fuel Filler Neck
| Brand | Dorman 577-240 |
|---|---|
| Fill Pipe Inside Diameter | 2 |
| Fuel Cap Included | No |
| Length | 12.5 |
| Material | Steel |
| Package Contents | 1 Fuel Filler Neck |
| Fits | Chevrolet and GMC · 14 vehicles |
OE direct replacement. Precision-engineered for a reliable repair.
Steel construction. Built for durable fuel storage service.
Fuel filler neck. Matches the original part's function and fit.
Cross-references 15725331, FN675 and SK577240 for the same application. See all 3.
Fuel Filler Neck for S10 and Sonoma
Dorman 577-240 is a steel fuel tank filler neck built for specific Chevrolet S10 and GMC Sonoma applications from 1997-2001. It is precision-engineered and tested 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
- 12.5-inch length
- 2-inch inside diameter fill pipe
- No fuel cap included
- Direct replacement for the original filler neck on listed vehicles
Detailed Description
This Dorman fuel filler neck, part number 577-240, is made for direct replacement service on 1997-2001 Chevrolet S10 and 1997-2001 GMC Sonoma models. It is engineered to match the original filler neck dimensions and function, helping restore proper fuel filling performance and sealing at the tank inlet. This part cross-references Dorman 577-240 with SK577240 for the same application.
What It Helps Fix
- Fuel leaking from a damaged filler neck
- Rust or corrosion at the fuel fill tube
- Cracked or weakened steel fuel neck sections
- Fuel odor caused by a compromised fill path
- Poor fuel fill performance from a worn OE neck
Installation Notes and Tips
Verify vehicle year, make, and model before installation. Compare the original neck length, 2-inch fill pipe inside diameter, and mounting points to confirm proper replacement. Transfer any vehicle-specific connections or seals from the original setup if required by the application. Professional installation is recommended for fuel system repairs.
Quality Assurance
Dorman tests this replacement fuel filler neck to match the original part for the listed Chevrolet S10 and GMC Sonoma applications. The part number is 577-240.
| Year | Make | Model | Body Type | Bed Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2001 | Chevrolet | S10 | Standard Cab Pickup | Stepside | — | — | N/A | — |
| 2001 | Chevrolet | S10 | Extended Cab Pickup | Stepside | — | — | N/A | — |
| 2001 | GMC | Sonoma | Standard Cab Pickup | Stepside | — | — | N/A | — |
| 2001 | GMC | Sonoma | Extended Cab Pickup | Stepside | — | — | N/A | — |
| 2000 | Chevrolet | S10 | — | Stepside | 2.2L | L4 | N/A | — |
| 2000 | Chevrolet | S10 | — | Stepside | 4.3L | V6 | N/A | — |
| 2000 | GMC | Sonoma | — | Stepside | 2.2L | L4 | N/A | — |
| 2000 | GMC | Sonoma | — | Stepside | 4.3L | V6 | N/A | — |
| 1999 | Chevrolet | S10 | — | Stepside | — | — | N/A | — |
| 1999 | GMC | Sonoma | — | Stepside | — | — | N/A | — |
| 1998 | Chevrolet | S10 | — | Stepside | — | — | N/A | — |
| 1998 | GMC | Sonoma | — | Stepside | — | — | N/A | — |
| 1997 | Chevrolet | S10 | — | Stepside | — | — | N/A | — |
| 1997 | GMC | Sonoma | — | Stepside | — | — | N/A | — |
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