HomeBelts and Cooling > SensorsStandard Ignition FLS-23 Engine Coolant Level Sensor
Part #: FLS-23

Standard Ignition FLS-23 Engine Coolant Level Sensor

⚙️ 18 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Jeep, Grand Cherokee, Cherokee, Wrangler, and Grand Wagoneer
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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.

BrandStandard Ignition
Part NumberFLS-23
Connector GenderFemale
Connector TypePlug In
Terminal GenderMale
Terminal TypePin
Voltage12

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1998JeepGrand CherokeeN/A
1997JeepGrand CherokeeN/A
1996JeepCherokeeN/A
1996JeepGrand CherokeeN/A
1995JeepCherokeeN/A
1995JeepGrand CherokeeN/A
1995JeepWrangler4.0LL6N/A
1995JeepWrangler2.5LL4N/A
1994JeepCherokeeN/A
1994JeepGrand CherokeeN/A
1994JeepWrangler2.5LL4N/A
1994JeepWrangler4.0LL6N/A
1993JeepCherokeeN/A
1993JeepGrand CherokeeN/A
1993JeepGrand WagoneerN/A
1992JeepCherokeeN/A
1991JeepCherokeeN/A
1991JeepGrand WagoneerN/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:

15-72745520275055S145771-356674807CLS6FLS31FLS607FLS607SBFLSB10009S8108

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.