Standard Ignition FLS318 Engine Coolant Level Sensor

Engine Coolant Level Sensor for Ram HD Trucks

Standard Ignition FLS318 is a direct-fit engine coolant level sensor for select Ram 2500 and Ram 3500 trucks. It is built as an OE replacement to match factory fit, form, and function for straightforward service on 2013-2018 Ram HD applications.

Key Features

• Direct-fit OE replacement for the factory coolant level sensor
• Fits 2013-2018 Ram 2500 and 2013-2018 Ram 3500 applications
• Push-on attachment method for factory-style installation
• Female connector with oval plug/socket interface
• 2-pin male terminal design
• Built with materials selected to handle demanding underhood conditions
• Tested during manufacturing for reliability and consistent operation

Product Details

The Standard Ignition FLS318 engine coolant level sensor is made for Ram 2500 and Ram 3500 trucks that need a replacement sensor with the correct connector style and terminal layout. Its OE-style construction supports proper fit and function, while the direct-fit design helps simplify replacement on 2013-2018 Ram HD cooling system service. This part cross-references Mopar 68354536AA for the same application. Standard Ignition FLS318 is also referenced by CF3487 and FLS892 for related applications.

What This Sensor Helps Address

• Coolant level warning light or message on the dash
• Faulty coolant level readings from a worn sensor
• Electrical connection issues at the coolant reservoir or sensor harness
• Service replacement for a damaged or aging OE sensor
• Cooling system diagnostics on Ram 2500 and Ram 3500 trucks

Installation Notes

Verify connector shape, terminal count, and attachment method before installation. This sensor uses a female oval connector with two male pin terminals and a push-on mounting style, so matching the factory configuration is important for proper fitment. Confirm the vehicle application by year and model before service on Ram 2500 or Ram 3500 cooling system components.

Quality Assurance

Standard Ignition manufactures this sensor with complete quality control throughout the production process. The part is built from high-quality materials and undergoes extensive testing to support reliable performance in demanding operating conditions.