OE Quality
60-Day Returns

Standard Ignition FLS-23 Engine Coolant Level Sensor
Reliable Engine Coolant Level Sensor for Jeep Vehicles
The Standard Ignition FLS-23 Engine Coolant Level Sensor is designed to provide accurate monitoring of coolant levels in select Jeep models. Engineered with precise connector and terminal specifications, this sensor ensures dependable performance for your Jeep Cherokee, Grand Cherokee, Grand Wagoneer, and Wrangler.
- Connector Gender: Female for secure connection
- Connector Type: Plug in for easy installation
- Terminal Gender: Male with 2 terminals
- Terminal Type: Pin for reliable electrical contact
- Voltage: 12V compatible with standard vehicle electrical systems
Detailed Product Description
The FLS-23 Engine Coolant Level Sensor from Standard Ignition is built to meet the specific requirements of Jeep vehicles including the Cherokee, Grand Cherokee, Grand Wagoneer, and Wrangler. Featuring a female plug-in connector and male pin terminals, this sensor integrates seamlessly with the vehicle’s cooling system wiring harness. The 12-volt rating aligns with the electrical system of these Jeep models, ensuring accurate coolant level detection and communication with the engine control unit. This sensor helps maintain optimal engine temperature by alerting the driver to low coolant levels, preventing potential overheating issues.
Common Applications and Problem Resolution
- Detects low engine coolant levels to prevent overheating
- Replaces faulty or damaged coolant level sensors in Jeep Cherokee and Grand Cherokee
- Restores proper coolant monitoring in Jeep Grand Wagoneer and Wrangler
- Eliminates false coolant warnings caused by sensor failure
- Supports engine performance by maintaining accurate coolant level data
Installation Notes and Tips
- Ensure the vehicle ignition is off before installation
- Disconnect the battery to avoid electrical shorts
- Locate the existing coolant level sensor on the coolant reservoir
- Disconnect the female plug connector carefully to avoid damage
- Install the FLS-23 sensor by aligning the male pin terminals and securing the plug-in connector
- Verify proper connection and test sensor operation after installation
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The FLS-23 Engine Coolant Level Sensor undergoes rigorous quality control to ensure durability and reliable performance in Jeep vehicles. This sensor is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.
| Brand | Standard Ignition |
| Part Number | FLS-23 |
| Connector Gender | Female |
| Connector Type | Plug In |
| Terminal Gender | Male |
| Terminal Type | Pin |
| Voltage | 12 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Jeep | Grand Cherokee | N/A | |||
| 1997 | Jeep | Grand Cherokee | N/A | |||
| 1996 | Jeep | Cherokee | N/A | |||
| 1996 | Jeep | Grand Cherokee | N/A | |||
| 1995 | Jeep | Cherokee | N/A | |||
| 1995 | Jeep | Grand Cherokee | N/A | |||
| 1995 | Jeep | Wrangler | 4.0L | L6 | N/A | |
| 1995 | Jeep | Wrangler | 2.5L | L4 | N/A | |
| 1994 | Jeep | Cherokee | N/A | |||
| 1994 | Jeep | Grand Cherokee | N/A | |||
| 1994 | Jeep | Wrangler | 2.5L | L4 | N/A | |
| 1994 | Jeep | Wrangler | 4.0L | L6 | N/A | |
| 1993 | Jeep | Cherokee | N/A | |||
| 1993 | Jeep | Grand Cherokee | N/A | |||
| 1993 | Jeep | Grand Wagoneer | N/A | |||
| 1992 | Jeep | Cherokee | N/A | |||
| 1991 | Jeep | Cherokee | N/A | |||
| 1991 | Jeep | Grand Wagoneer | 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.