Standard Ignition FLS321 Washer Fluid Level Sensor

Washer Fluid Level Sensor for Subaru Applications

Standard Ignition FLS321 is a washer fluid level sensor built for direct replacement in select Subaru vehicles. It monitors washer reservoir fluid level and supports accurate low-fluid warning operation for the driver.

Key Features

• Washer fluid level sensor for the windshield washer system
• Female connector with plug-in design for straightforward electrical connection
• 1 connector, 2 blade terminals, male terminal gender
• Direct-fit replacement for select Subaru Ascent, Impreza, Legacy, and Outback applications
• Standard Ignition FLS321 part number for catalog matching and service lookup

Detailed Description

Standard Ignition FLS321 is a washer fluid level sensor used to detect washer reservoir fluid level and trigger the vehicle’s low-fluid indication when the reservoir drops below the set threshold. It is a practical replacement for Subaru models that rely on an in-tank level sensor to maintain washer system monitoring. This part cross-references OE-style numbers such as 86618AL00A and FF3488 for the same application. For Subaru Ascent, Subaru Impreza, Subaru Legacy, and Subaru Outback service work, FLS321 provides a direct replacement path when the original sensor fails or becomes inaccurate.

What It Helps Solve

• Washer fluid warning light stays on or does not illuminate correctly
• Inaccurate washer reservoir level readings
• Electrical connection issues at the washer fluid sensor
• Replacement needs after sensor wear, contamination, or internal failure
• Service concerns on Subaru washer reservoir level monitoring systems

Installation Notes and Tips

Verify connector style, terminal layout, and reservoir sensor location before installation. This sensor uses a female plug-in connector with two blade terminals, so matching the original electrical interface is important for proper fitment. Confirm vehicle application by year and model: Fits 2019-2022 Subaru Ascent, N/A; Fits 2017-2022 Subaru Impreza, N/A; Fits 2015-2019 Subaru Legacy, N/A; Fits 2015-2019 Subaru Outback, N/A.

Quality Assurance

Standard Ignition replacement parts are cataloged for service applications where accurate fitment and dependable electrical connection matter. Use the part number FLS321 to confirm the correct washer fluid level sensor for your Subaru repair.