Standard Ignition FLS-164 Engine Coolant Level Sensor

Brand Standard Ignition FLS-164
Connector Gender Female
Connector Quantity 1
Connector Type Plug in
Contents Sensor
Terminal Gender Male
Terminal Quantity 2
Terminal Type Blade
Fits

OE direct replacement. Direct-fit design makes installation easier.

High-quality materials. Built to withstand extreme conditions.

Extensively tested. Quality-controlled for reliable performance.

Cross-references 5S1465, 71-3574 and 74818 for the same application. See all 7.

$46.52Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Coolant Level Sensor Overview

Standard Ignition FLS-164 is a direct-fit engine coolant level sensor built for OE-style replacement and straightforward installation. It uses high-quality materials to handle demanding underhood conditions and is tested for dependable operation in the cooling system.

For drivers searching for an engine coolant level sensor for Ford, Lincoln, or Mercury applications, FLS-164 provides a service-ready replacement that supports accurate coolant level monitoring and helps maintain proper warning-system function.

Key Features

  • Direct-fit OE replacement for the engine coolant level sensor location
  • Female connector with plug-in design for a secure electrical connection
  • 2 blade terminals with male terminal ends
  • Built with materials selected for harsh temperature and fluid exposure
  • Tested during manufacturing for consistent electrical performance
  • Standard Ignition FLS-164 for cooling system service and repair

Product Details

This coolant level sensor is intended for vehicles that use an electrical level switch or sensor in the coolant reservoir or cooling system. It is a practical replacement when the original sensor is no longer reading correctly, the warning light is intermittent, or the connector and terminals need a direct-fit service part. This part cross-references Ford OE-style numbers such as XC4Z10D968AA for the same application.

Standard Ignition FLS-164 is a strong choice for technicians and DIY repairs where an accurate coolant level signal is needed. It is commonly searched as an engine coolant level sensor for Ford, Lincoln, and Mercury cooling system repair, especially when replacing a worn or failed OE sensor.

Common Problems It Can Help Solve

  • Low coolant warning light staying on after the system is filled
  • Intermittent coolant level warning messages or alerts
  • Faulty sensor readings caused by age, contamination, or internal wear
  • Electrical connection issues at the coolant level sensor plug
  • Cooling system service needs on Ford, Lincoln, or Mercury vehicles

Installation Notes and Tips

Confirm connector style, terminal layout, and sensor mounting style before installation. Inspect the harness connector for corrosion, bent terminals, or damaged locking tabs, and verify the cooling system is at the proper level before testing the new sensor. Standard Ignition FLS-164 is a direct-fit replacement, so it is intended to install in the OE location without modification when the application matches.

Quality Assurance

Standard Ignition manufactures aftermarket electrical and engine management parts with in-process quality control and testing to support reliable service life. FLS-164 is built as an OE replacement sensor using materials selected for demanding operating conditions.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5S146571-357474818FF3334FLS738FLSA62XC4Z10D968AA