HomeStandard Ignition FLS321 Washer Fluid Level Sensor
Part #: FLS321

Standard Ignition FLS321 Washer Fluid Level Sensor

⚙️ 20 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Subaru, Ascent, Impreza, Legacy, and Outback
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Overview of Standard Ignition Washer Fluid Level Sensor FLS321

The Standard Ignition Washer Fluid Level Sensor FLS321 is designed to monitor the washer fluid level in select Subaru vehicles. This sensor ensures timely alerts when fluid levels are low, helping maintain clear visibility during adverse weather conditions.

  • Compatible with Subaru Ascent, Impreza, Legacy, and Outback models
  • Female connector with a single plug-in connection
  • Equipped with two male blade terminals for reliable electrical contact
  • Accurate fluid level sensing for washer systems

Technical Details and Attributes

This washer fluid level sensor features a female connector designed for a secure plug-in connection, simplifying integration with the vehicle’s wiring harness. It includes two male blade terminals, which provide stable and corrosion-resistant electrical contacts. The sensor’s primary function is to detect the fluid level within the washer reservoir, sending signals to the vehicle’s dashboard to alert the driver when fluid is low.

Compatible Subaru Models and Applications

The Standard Ignition FLS321 sensor is specifically compatible with Subaru Ascent, Impreza, Legacy, and Outback models. It is engineered to meet the OEM specifications for these vehicles, ensuring proper fit and function. Using this sensor helps maintain the washer system’s performance by providing accurate fluid level monitoring.

Common Issues Addressed by the Washer Fluid Level Sensor

  • Prevents unexpected washer fluid depletion warnings
  • Helps avoid windshield visibility issues due to empty washer fluid reservoir
  • Reduces risk of damage to washer pump from running dry
  • Ensures timely maintenance alerts for washer fluid refills

Installation Notes and Tips

When installing the Standard Ignition FLS321 sensor, ensure the female plug-in connector is securely attached to the vehicle’s wiring harness. Verify that the two male blade terminals are properly seated to maintain electrical continuity. It is recommended to check the washer fluid reservoir for cleanliness and proper fluid level before installation to ensure accurate sensor readings.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for quality and reliability. The FLS321 washer fluid level sensor undergoes rigorous testing to ensure consistent performance. Please refer to Standard Ignition’s warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberFLS321
Connector GenderFemale
Connector Quantity1
Connector TypePlug in
ContentsFluid level sensor
Terminal GenderMale
Terminal Quantity2
Terminal TypeBlade

This part fits 20 vehicles. Search below:

YearMakeModelPositionNotes
2022SubaruAscentN/A
2022SubaruImprezaN/A
2021SubaruAscentN/A
2021SubaruImprezaN/A
2020SubaruAscentN/A
2020SubaruImprezaN/A
2019SubaruAscentN/A
2019SubaruImprezaN/A
2019SubaruLegacyN/A
2019SubaruOutbackN/A
2018SubaruImprezaN/A
2018SubaruLegacyN/A
2018SubaruOutbackN/A
2017SubaruImprezaN/A
2017SubaruLegacyN/A
2017SubaruOutbackN/A
2016SubaruLegacyN/A
2016SubaruOutbackN/A
2015SubaruLegacyN/A
2015SubaruOutbackN/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:

86618AL00AFF3488FLS321FLS896

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