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Oxygen Sensor Nut Size

Oxygen Sensor Nut Size. Worst rust i have ever seen. I hit mine with pb blaster a couple of times a week for a month and it came right out.

2PCS Notched O2 Oxygen Sensor Weld Bung Nut M18x1.5
2PCS Notched O2 Oxygen Sensor Weld Bung Nut M18x1.5 from www.ebay.com.au

Get an o2 sensor socket, or you can get a regular deep 7/8 socket, cut the wires to the old o2 sensor, and take it off with the regular socket. I was this close to taking it to a muffler shop for assistance. Many times the o2 sensor will be bound pretty tightly, an open end wrench will most likely round off the hex.

The Thread Size For The O2 Sensor Is 18Mm.


You can also purchase an optional o2 sensor plug if the sensor ever needs to be removed. And a cheater pipe in case you need it, and take one off in the hardware parking lot! In any case, i just want to fix it.

Get An O2 Sensor Socket, Or You Can Get A Regular Deep 7/8 Socket, Cut The Wires To The Old O2 Sensor, And Take It Off With The Regular Socket.


Don't buy a socket, just take the heat shield off the cat. Then go match it up. Shouldn't be more than about $2 per nut.

When Changing Out 02 Sensors For My 2002 Tundra 4.7L V8 I Noticed That The Nuts Holdling The Rear 02 Sensors In Place Were Basically Rusted To About 1/5 The Original Size.


Go to your local dealer and get this p/n: What size nut hold the oxygen sensor onto the flange on a 1999 lexus rx300? Mates with 18 x 1.5 mm weld nut.

I Hit Mine With Pb Blaster A Couple Of Times A Week For A Month And It Came Right Out.


Universal 18 x 1.5 mm hex socket plug by daytona twin tec®. You might be able to get in there with a cresent (adjustable) wrench. All of the ones that o'riely's had were taller and $20.00 more.

If You Are Putting A Wrench On The O2 Sensor You Need A 22Mm Wrench.


This o2 sensor nut allows you to mount an oxygen sensor to any exhaust that the nut can be welded onto. Tomorrow i will be trying one last time with an actual o2 sensor socket (versus the wrench style, which i can't get a breaker bar on at the needed angle). How much does it cost to fix oxygen sensor?

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