

🚗 Upgrade your ride with the sensor that pros trust — don’t get left behind!
The Walker Products 350-34039 Oxygen Sensor is a 4-wire direct fit replacement designed to meet and exceed original equipment specifications. Engineered and assembled in the USA, it features a durable laser-welded body, ceramic sensing element, and high-temperature protection to improve engine performance, fuel efficiency, and reduce emissions. Trusted by professional technicians nationwide, this sensor offers broad vehicle compatibility and easy installation backed by a solid warranty.






























| ASIN | B01IAFTUDO |
| Best Sellers Rank | #23,057 in Automotive ( See Top 100 in Automotive ) #17 in Automotive Replacement Oxygen Sensors |
| Brand Name | Walker Products |
| Customer Reviews | 4.4 4.4 out of 5 stars (634) |
| Global Trade Identification Number | 00724620088636 |
| Included Components | Sensor |
| Item Dimensions | 2.2 x 2 x 5.9 inches |
| Item Type Name | Oxygen Sensor |
| Item Weight | 3.84 ounces |
| Manufacturer | Walker Products |
| Material Type | Ceramic, Metal |
| Model | d3775db1-553a-4d86-bead-87d41609fa6c |
| Mounting Type | Flange Mount |
| Output Type | Electrical Signal |
| Specific Uses For Product | Oxygen Sensor |
| Style Name | O2 Sensor |
| UPC | 724620088636 |
| Unit Count | 1.0 Count |
| Warranty Description | Warranty |
M**L
As described
Works fine, as described.
B**.
Easy fix for my Jeep Wrangler
2015 Jeep Wrangler, code P0157. Replaced bank 2, sensor 2 with this Walker Products O2 sensor and cleared my code. Done. ✅
C**5
Perfect OEM match!
Perfect cable length and plug type. Perfect readings and fixed my problem. Fuel trims are right where they should be now. Car ran horrible before I installed the new sensor. Now everything runs perfect.
R**T
Great Buy
Product had “already antiseez” on threads which the installed was a bit challenging. Works like it should. fit perfectly. You will have to apply pressure with your fingers to tighten the O2 Sensor. I recommend to use the special made socket for it as well.
G**J
Looks well made
Looks very good quality and value. I have not fitted it as my problem cleared after fixing a leaky water hose, I suspect it was somehow dumping too muck moisture into the exhaust system … causing the issue
M**D
Worked as designed .
Worked perfectly
J**K
Not Sure
Not Sure this part is so great. I put the same one in 6 months ago. Now it throws a code again. Getting tired of going under my jeep for the same sensor, same bank same downstream one. not sure so i can't endorse the item
A**Y
Emissions
Perfect fit
C**A
Perfect fit for the firewall side Cat O2 sensor. Existing sensors are 0.8v and this one is 0.72v Not sure it that matters, or if they generally fail upwards as they age. Computer is happy and check engine light is off. Make sure you get the 22mm O2 wrench which is a necessity and a snipe to extend your breaker bar to about 2.5 feet. Removal was while the car was lifted on the front passenger side to the maximum of the jack and then supported. That gives you the best angle to crawl under there head first if you are right-handed. The upper sensor would be a bit trickier and perhaps better to do from the top. Either way, if you have to do one of the firewall sensors you are doing all the hard work and should probably do all 4 on a higher mileage car. The front ones are easy.
J**S
Ajusta perfectamente eliminó código de falla...se instalo en dowstream lado piloto jeep liberty 2012
A**E
Nicht mal für au bestanden keine Werte. Neue gekauft bei andere Händler und schon bestanden.
S**M
Fit my 2007 wrangler perfectly, fixed my misfire issue
I**O
excelentes sensores a buen precio y funcionales, calidad OEM
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