/live/media/SI/SI_LSF122_Fro.jpg)
Standard Ignition LSF122 Fuel Level Sensor
| Brand | Standard Ignition LSF122 |
|---|---|
| Connector Gender | Female |
| Connector Type | Plug In |
| Contents | Sensor |
| Terminal Gender | Female |
| Terminal Type | Blade Plug |
| Fits | Chevrolet and GMC · 50 vehicles |
OE-match replacement. Provides proper fit, form, and function.
Accurate fuel readings. Corrects improper fuel level readings with high reliability.
Plug-in design. Female connectors and blade plug terminals simplify installation.
Cross-references Dorman - HELP 74957, 19121637 and FLSC20002 for the same application. See all 6.
Fuel Level Sensor for GM Trucks
Standard Ignition LSF122 is a direct OE-match fuel level sensor for select Chevrolet Silverado and GMC Sierra applications. It is built to restore accurate fuel gauge readings in demanding operating conditions while maintaining proper fit, form, and function.
- Direct OE-style replacement for factory fuel level sensor applications
- Helps correct inaccurate or erratic fuel gauge readings
- Engineered for reliable operation in harsh environments
- Includes a rubber gasket where applicable for installation support
- Extensively tested to OE specifications for fit and performance
- Connector type: plug in; connector gender: female
- Terminal configuration: female blade plug
Detailed Product Overview
This Standard Ignition fuel level sensor is designed for Chevrolet Silverado 1500, Silverado 1500 HD, Silverado 2500 HD, Silverado 3500, and GMC Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, and Sierra 3500 models from the 1999-2004 range. The LSF122 is intended to deliver proper signal output to the fuel gauge so the driver can monitor fuel level with greater confidence. This part cross-references Dorman - HELP 74957 for the same application.
What It Helps Fix
- Fuel gauge reading empty when fuel remains in the tank
- Fuel gauge reading full or near full incorrectly
- Intermittent or unstable fuel level readings
- Signal issues caused by a worn or inaccurate sender
- Replacement needs on GM truck fuel tank service jobs
Installation Notes and Tips
Verify connector style and terminal layout before installation. The plug-in female connector and blade plug terminal design should match the original sensor connection on the vehicle. If the application uses a gasket, confirm the sealing surface is clean and undamaged before assembly. For fitment, this part is listed for 1999-2004 Chevrolet Silverado 1500, 2001-2003 Chevrolet Silverado 1500 HD, 2001-2003 Chevrolet Silverado 2500 HD, 2001-2003 Chevrolet Silverado 3500, 1999-2003 GMC Sierra 1500, 2001-2003 GMC Sierra 1500 HD, 1999-2003 GMC Sierra 2500, 2001-2003 GMC Sierra 2500 HD, 2001-2003 GMC Sierra 3500, and 2001 Chevrolet C1500.
Quality Assurance
Standard Ignition states that this replacement sensor is engineered to OE specifications and tested for long service life. The design focus is accurate fuel level reporting, dependable operation, and consistent fitment for GM truck applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | — |
| 2004 | Chevrolet | Silverado 1500 | 4.8L | V8 | N/A | — |
| 2004 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | — |
| 2003 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | — |
| 2003 | Chevrolet | Silverado 1500 | 4.8L | V8 | N/A | — |
| 2003 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | — |
| 2003 | Chevrolet | Silverado 1500 HD | 6.0L | V8 | N/A | — |
| 2003 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | N/A | — |
| 2003 | Chevrolet | Silverado 3500 | 6.0L | V8 | N/A | — |
| 2003 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | — |
| 2003 | GMC | Sierra 1500 | — | — | N/A | — |
| 2003 | GMC | Sierra 1500 HD | 6.0L | V8 | N/A | — |
| 2003 | GMC | Sierra 2500 | — | — | N/A | — |
| 2003 | GMC | Sierra 2500 HD | 6.0L | V8 | N/A | — |
| 2003 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | — |
| 2003 | GMC | Sierra 3500 | 6.0L | V8 | N/A | — |
| 2003 | GMC | Sierra 3500 | 8.1L | V8 | N/A | — |
| 2002 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | — |
| 2002 | Chevrolet | Silverado 1500 | 4.8L | V8 | N/A | — |
| 2002 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | — |
| 2002 | Chevrolet | Silverado 1500 HD | — | — | N/A | — |
| 2002 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | N/A | — |
| 2002 | Chevrolet | Silverado 3500 | 6.0L | V8 | N/A | — |
| 2002 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | — |
| 2002 | GMC | Sierra 1500 | — | — | N/A | — |
| 2002 | GMC | Sierra 1500 HD | — | — | N/A | — |
| 2002 | GMC | Sierra 2500 | — | — | N/A | — |
| 2002 | GMC | Sierra 2500 HD | 6.0L | V8 | N/A | — |
| 2002 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | — |
| 2002 | GMC | Sierra 3500 | 6.0L | V8 | N/A | — |
| 2002 | GMC | Sierra 3500 | 8.1L | V8 | N/A | — |
| 2001 | Chevrolet | C1500 | — | — | N/A | — |
| 2001 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 2001 | Chevrolet | Silverado 1500 HD | — | — | N/A | — |
| 2001 | Chevrolet | Silverado 2500 HD | 6.0L | V8 | N/A | — |
| 2001 | Chevrolet | Silverado 3500 | 6.0L | V8 | N/A | — |
| 2001 | Chevrolet | Silverado 3500 | 8.1L | V8 | N/A | — |
| 2001 | GMC | Sierra 1500 | — | — | N/A | — |
| 2001 | GMC | Sierra 1500 HD | — | — | N/A | — |
| 2001 | GMC | Sierra 2500 | — | — | N/A | — |
| 2001 | GMC | Sierra 2500 HD | 6.0L | V8 | N/A | — |
| 2001 | GMC | Sierra 2500 HD | 8.1L | V8 | N/A | — |
| 2001 | GMC | Sierra 3500 | 6.0L | V8 | N/A | — |
| 2001 | GMC | Sierra 3500 | 8.1L | V8 | N/A | — |
| 2000 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 2000 | GMC | Sierra 1500 | — | — | N/A | — |
| 2000 | GMC | Sierra 2500 | — | — | N/A | — |
| 1999 | Chevrolet | Silverado 1500 | — | — | N/A | — |
| 1999 | GMC | Sierra 1500 | — | — | N/A | — |
| 1999 | GMC | Sierra 2500 | — | — | N/A | — |
| No rows match your filter. | ||||||