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๐ Never Run Dry, Always Drive Fly!
The GM Genuine Parts 20999338 Windshield Washer Fluid Level Sensor is a precision-engineered, GM OE-spec replacement that alerts drivers when washer fluid is low. It features a direct plug-in design for easy installation, operates on 12V DC, and ensures reliable, accurate fluid level monitoring. Trusted by thousands with a 4.5-star rating and backed by a 24-month unlimited mile warranty, itโs the smart choice for maintaining your GM vehicleโs safety and performance.





| ASIN | B005OV0AOQ |
| Best Sellers Rank | #138,856 in Automotive ( See Top 100 in Automotive ) #13 in Automotive Replacement Washer & Wiper Sensors |
| Brand | GM GENUINE PARTS |
| Brand Name | GM GENUINE PARTS |
| Customer Reviews | 4.5 out of 5 stars 714 Reviews |
| Global Trade Identification Number | 00707773888124 |
| Included Components | Windshield Washer Fluid Level Sensor |
| Item Dimensions | 8 x 8 x 1 inches |
| Item Type Name | Windshield Washer Fluid Level Sensor |
| Item Weight | 4.54 g |
| Item dimensions L x W x H | 8 x 8 x 1 inches |
| Manufacturer | ACDelco |
| Material | Plastic or Rubber |
| Material Type | Plastic or Rubber |
| Maximum Supply Voltage | 12 volts_of_direct_current |
| Measuring Range | Empty - Full |
| Model | 20999338 |
| Mounting Type | Flange Mount |
| Number of Items | 1 |
| Output Type | Push Button |
| Part Number | 20999338 |
| Specific Uses For Product | vehicle use |
| Style | Modern |
| Style Name | Modern |
| UPC | 707773888124 |
| Unit Count | 1 Count |
| Warranty Description | 24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
A**.
A little tricky putting it in but works great
Works great
M**K
It fits 2009 Tahoe and cheaper than dealership
It fits 2009 Tahoe you just need to use the old washer and the new one together. Install: put the old washer in , then put the new washer in and then fight the sensor in. it's not that easy, you just need to fight that sensor give it a twist right and left and it will work. This is the easier way I found. cheaper than the dealership which quote me $41 and came super fast next day. it took the warning sign off (add washer fluid) . I will definitely recommend this item.
H**.
Works great! ๐๐ป
This worked perfectly for our 2013 Tahoe LT Z71 model. Cleared the โlow windshield washer fluidโ message, right away! All parts included worked perfectly and itโs a genuine AC Delco part. Not that terribly hard to change too. Took me less than an hour.
N**O
Washer Fluid Low Level Warning Issue Resolved!
I had the same issue as a lot of Chevy SUV's & Truck owners...Washer Fluid Low Level Warning even after filling-up the window washer fluid. I own a 2011 Chevy Avalanche LTZ and started having this Display Warning for a few months. Long story short, remove the sensor before you order a replacement...some sensors vary in design (angle of the plug connection) depending of your vehicle's model. ACDelco 20999338 GM Original Equipment Windshield Washer Fluid Level Sensor was a perfect match for my Avy...plug & play and problem fixed! It comes with the rubber grommet/seal if you want to replace that part.
M**C
Great product, but did not fit my 2011 Avalanche (Too Small in diameter)
I got the "this fits your 2011 Chevy Avalanche" banner, so I ordered even though I've never seen OEM part. Like others, I found the new gasket and sensor were too small in diameter. I had everything off, so came back and looked at the reviews. I found one who stated they super glued the new gasket into the old gasket. This is what I did and like the other reviewer, it works fine. I'm sure I could've done more research, but I took the easy way with the verification banner.
L**A
Fit my 2011 Silverado 1500
Fit my 2011 Silverado 1500. Watch a YouTube video and it will only take you less than 15 minutes to install. This got rid of my "window washer fluid low" message that I would always get even if I had washer fluid topped off and full.
P**.
2012 GMC 2500
This product is a genuine AC Delco replacement part. It was an exact fit for my 2012 GMC Sierra. Simply swapped it out with the old sensor. I no longer have the 'low washer fluid' prompt on my dash when the washer fluid reservoir is full. Replacement was a bit of a pain, but simple.. remove aux battery, remove battery tray, peel back fender skirt to get the last bolt out.. sensor fit perfect, no alternation needed.
C**Y
DOES NOT FIT 2009 GMC SIERRA
This did not fit my 2009 GMC Sierra. The Rubber grommet was too small for the washer fluid reservoir hole. The part itself (which is Chinese junk), was also low quality and smaller than oem part. See photos
B**๏ฟฝ
Silverado 2009
Queda bien, sobre el empaque del sensor original. Ya no me aparece el mensaje de falta de lรญquido
K**N
Great replacement
This product is a genuine AC Delco replacement part. It was an exact fit for my 2011 GMC Sierra. Simply swapped it out with the old sensor. I no longer have the 'low washer fluid' prompt on my dash when the washer fluid reservoir is full. Probably should have bought this a year ago.
M**L
Bueno
Se vende lo que se describe , solo eso
S**A
Fast shipping
Direct fit,no issues.
S**N
Five stars !
Yeah not much to say, good price fast shipping fit my 2012 Chevy Silverado finally got rid of the low washer fluid light.
Trustpilot
2 weeks ago
5 days ago