Know before you run dry — the Standard Ignition Washer Fluid Level Sensor (MPN FLS-123) monitors the fluid level in your windshield washer reservoir and signals the dash when it runs low. It installs as a direct-fit replacement for the listed applications, including the 1997-2004 Chevrolet Malibu, 2006-2011 Buick Lucerne, and 2007-2011 Cadillac DTS.
- Function: Detects the washer fluid level in the reservoir and sends the signal that drives the low-washer-fluid warning.
- Direct-fit replacement: Designed to replace the original sensor on the listed applications.
- Signs it may need replacing: A low-fluid warning that stays on with a full reservoir, or one that never illuminates when fluid is low — if a failed level sensor is the cause, this replaces it.
Fitment: 1997-2004 Chevrolet Malibu [All]; 2004-2005 Chevrolet Classic [All]; 2006-2007 Buick LaCrosse [All]; 2006-2011 Buick Lucerne [All]; 2006-2007 Chevrolet Impala [All]; 2010-2016 Chevrolet Impala [All]; 2006-2007 Chevrolet Monte Carlo [All]; 2006-2008 Pontiac Grand Prix [All]; 2007-2011 Cadillac DTS [All].
Interchange: Manufacturer part number FLS-123.
Frequently Asked Questions
What does this sensor do?
It monitors the fluid level in the windshield washer reservoir and sends the signal that triggers the low-washer-fluid warning on your dash.
Will it fit my vehicle?
It's a direct-fit replacement for the listed applications, including Chevrolet Malibu, Impala, Classic and Monte Carlo, Buick LaCrosse and Lucerne, Pontiac Grand Prix, and Cadillac DTS. See the Buyer's Guide tab to confirm your year.
What are signs this sensor may need replacing?
A low-fluid warning that stays on with a full reservoir, or one that never comes on when fluid is low. If the level sensor is the cause, this replaces it.
Does it fit both Impala year ranges?
Yes — this part is listed for the 2006-2007 Chevrolet Impala and, separately, the 2010-2016 Chevrolet Impala. Confirm your exact year in the Buyer's Guide.
What is the manufacturer part number?
The manufacturer part number is FLS-123, from Standard Ignition.
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