OE Quality
60-Day Returns

Standard Ignition LSF103 Fuel Level Sensor
Reliable Fuel Level Sensor for Infiniti and Nissan Vehicles
The Standard Ignition Fuel Level Sensor LSF103 is designed to provide accurate fuel level readings for select Infiniti and Nissan models. This sensor ensures your vehicle's fuel gauge operates correctly, helping you monitor fuel levels effectively.
- Compatible with Infiniti Armada and QX56 models
- Fits Nissan TITAN trucks
- Direct replacement for original equipment fuel level sensors
- Part number LSF103 for precise identification
- Engineered to maintain accurate fuel measurement and gauge performance
Product Details and Compatibility
The Standard Ignition Fuel Level Sensor LSF103 is engineered to meet the specifications of the original equipment manufacturer. It is compatible with Infiniti Armada and QX56 SUVs as well as Nissan TITAN pickups, ensuring proper fit and function. This sensor plays a critical role in the air and fuel delivery system by accurately detecting the fuel level inside the tank and transmitting this information to the vehicle’s fuel gauge. Using the correct sensor helps maintain reliable fuel readings and prevents inaccurate gauge behavior.
Common Applications and Problem Resolution
- Resolves inaccurate or fluctuating fuel gauge readings
- Fixes fuel gauge stuck on empty or full
- Eliminates warning light issues related to fuel level sensor faults
- Prevents unexpected fuel shortages due to incorrect fuel level data
- Restores proper communication between fuel tank and dashboard gauge
Installation Notes and Tips
Installation of the Standard Ignition Fuel Level Sensor LSF103 requires access to the fuel tank sending unit. It is recommended to disconnect the vehicle battery before beginning installation to avoid electrical hazards. Ensure the sensor is securely mounted and electrical connectors are properly seated to prevent signal loss. Refer to the vehicle’s service manual for detailed removal and installation procedures specific to Infiniti Armada, QX56, and Nissan TITAN models.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The Fuel Level Sensor LSF103 undergoes rigorous quality control testing to ensure consistent operation. This part is backed by Standard Ignition’s limited warranty, covering defects in material and workmanship under normal use conditions.
| Brand | Standard Ignition |
| Part Number | LSF103 |
| Connector Gender | Female |
| Connector Type | Plug In |
| Contents | Sensor |
| Terminal Gender | Female |
| Terminal Type | Pin Plug |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Body Type | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | INFINITI | QX56 | N/A | To 3/08 | ||
| 2008 | Nissan | Armada | GAS | N/A | To 5/08 | |
| 2008 | Nissan | TITAN | Crew Cab Pickup | GAS | N/A | To 4/08 |
| 2007 | INFINITI | QX56 | N/A | |||
| 2007 | Nissan | Armada | GAS | N/A | ||
| 2007 | Nissan | TITAN | GAS | N/A | To 5/07 | |
| 2006 | Nissan | Armada | N/A | |||
| 2006 | Nissan | TITAN | GAS | N/A | ||
| 2005 | Nissan | Armada | N/A | |||
| 2005 | Nissan | TITAN | GAS | N/A | ||
| 2004 | Nissan | TITAN | GAS | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.