1AEEK00816-Chevrolet GMC Cadillac 4 Piece O2 Oxygen Sensor Set
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Chevrolet GMC Cadillac 4 Piece O2 Oxygen Sensor Set DIY Solutions EMS00174


Chevy GMC Cadillac Buick Multi Fit Oxygen Sensor set of 4
$ 95.95
$118.95
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$118.95
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EMS00174
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Part 1AEEK00816

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Product Reviews
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4.62/ 5.0 79
Perfect fit! Great products and service
James
February 16, 2018
Ive been ordering a lot of parts from yall. You have great products at a great price. I really like the videos too, thanks yall
Wrong part for truck
Curt
March 23, 2018
Complete wrong oxygen sensors for my truck, even though the listing said "guaranteed to fit". I found that out too late after I had already opened them. Going to try to salvage some of the cost by listing the new ncorrect parts on eBay. I don't know what these fit, but it wasn't my truck.
Perfect fit!
O
April 1, 2018
My o2 sensors were a perfect fit. For a very affordable price !
Working great so far
P
April 2, 2018
Working great so far, the sensors fit perfectly and all is well.
Good product but not 100% correct
William
April 4, 2018
The product was high quality but unfortunently this did not work for all 4 sensors as the connectors were different. This is not 1As auto fault as Chevy trucks some have the flat connector on the pre cats and some have the square. Before purchasing this verify what you have.
truck parts
Liz
July 29, 2018
thank you. Our truck is working great again. Will buy future parts from you
First Time User
W
August 1, 2018
Happy with being able to speak with someone about ordering the correct part. Pricing was cheaper than going to a brick and mortar.
Junk
C
August 1, 2018
Dont buy the cheap ones, spend the money and get good ones, usually reflected by price. these only lasted about a month and got same codes again, i replaced with better ones and havent had a problem since. i would not recommend.
T
September 28, 2018
So far so good . Glad we found this site . It was affordable and when I wasnt sure about something I called and they were very helpful and extremely nice . I would really recommend 1A Auto . Thank you 1A Auto
Worked great and good price too
Nickolas
October 3, 2018
First, when I was having to buy new sensors I was expecting a higher price so I was relieved to see it wasnt nearly as bad as I thought it was on my wallet. Installed them without any issues and now my fuel air mixture is where it should be so Im quite pleased with my purchase ^__^
An excellent place to buy parts
I
October 9, 2018
Ive bought from one a auto several times now and its always been exactly what I ordered it came early and they have great customer service
02 sensors
Floyd
November 2, 2018
The 02 sensors were a perpect match and work as good as the originals.
1AEEK00816-O2 Oxygen Sensor
Ken
November 15, 2018
This item could not be located locally when I needed them, but 1A-Auto had them and shipped them out ASAP! One awesome transaction! Thanks A1-Auto!
2000 Silverado 1500
Bill
November 22, 2018
I purchased 4 Oxygen Sensors for my Silverado. Thanks to 1aauto I have achieved 312,000 miles and plan on getting many more on this truck. Thank you
Great price
Shane
November 25, 2018
Well very good part so far and if you take the time to do this, well let's see over $250 a plug for a mechanic to do this and not sure if service engine light will go off or not, or $75 and then have to get some special tools which was only $12 to $40 dollars, well light came on again but computer pointed this out and then EGR valve next and computer is only telling me ABS now, which God has blessed me with the ability to brake, so worth the time and the money to lift my hands and feet and make the computer on the horse happy.
O2 Sensors
A
November 29, 2018
Not sure if the quality of the product was the problem or if there's another issue, installed the sensors and cleared the codes. Same codes popped back up and having the same problem. Now as for the process of ordering, product came in a timely manner and each sensor was individually wrapped. They were not marked as which was which, had to figure that out on my own. I'll definitely be ordering more products. I'm pretty sure my truck is the problem and not the product I ordered. This truck has been giving me problems in the past few years and I think it's just time to part ways with it.. I just love my '01 Yukon XL we've been all over the USA together.
great value
Jackson
December 30, 2018
Parts fit perfect and as always a great value. The free shipping is a great added bonus.
O2 sensors for 1999 Suburban
kobe
January 5, 2019
Received the sensors within a week of ordering. Watched the video, which was very helpful. Replaced the upstream sensors, the one on the engine side of the converter, and within a few days the service engine light turned off and the vehicle started running a lot better. I would recommend these highly.
Top notch
T
January 8, 2019
Yet again 1A has provided quality parts good prices, and fast shipping. It's the reason I keep coming back.
Life saving
K
January 30, 2019
In the need of any part I strongly believe 1aauto can forfil yo any need and ship on time r day befor
99 GMC Sierra o2 sensors
Jeffery
March 7, 2019
Saved me $100 if I had went to the local parts store. Sensors came in just a couple days and new on packaging. Would definitely buy again
02 sensors
Jaefous
March 11, 2019
Good product so far seems well built. Only negative thing is the upstream sensors are not direct fit. You going to have to spice them in use your old connector end.
Very satisfied
I
March 18, 2019
The part was very helpful and I would recommend anyone to try this company, and the prices are great.
Not correct for the 2004 Yukon Denali.
M
March 31, 2019
In looking up the year and make O2 snesors this is what pulled up. I went to install and found that all the connections were different. Quailty of part looks good. How well it functions, i am not sure. Shipping was good So due to the fact i did not look at my connections first i ended up with 4 sensors i can not use. Will look int returning them.
Great price and easy install
Starla
April 4, 2019
This was much less expensive than buying from local auto parts store. It came pretty fast and was easy to install would recommend
1999 K1500 suburban oxygen sensors
A
April 5, 2019
Positive experience. Expedient delivery. Exact fit for vehicle. Time will tell how effective. Highly recommend.
Good customer service
M
April 5, 2019
I ordered o2 sensors for a 2002 Yukon. I received the wrong parts but A1 researched what went wrong and at the end of the day issued me a refund. I also didnt have to hassle with sending the parts back. Even though the parts were incorrect they did great on the service side. May buy again in the future. Thanks
C
April 8, 2019
Good service, Good products
DOES NOT FIT 6.0 GAS ENGINE
T
April 23, 2019
i ordered these because after entering my truck's info this is what came up. once i took one out of the package i notice that the wiring was incorrect for my 2000 3/4 silverado 2500 6.0 gas engine. they were shipped fast and appeared to be great quality, they just didn't fit my car. at first they weren't going to let me return them because i'd opened the package. I explained that the only reason i ordered them is because their website told me to. they eventually allowed me to return them. i am still waiting for the refund. it has been roughly a week or so.
The absolute best
aaron
June 12, 2019
Since I found 1A Auto Im absolutely please , first with there online service and delivery. More especially with the parts I have purchased and will continue to do so. Reasonably priced is why I here for all my parts needs I have older vehicles and when something goes wrong I order from 1A Auto. Aaron C. June 12,2019.
Perfect fit
Derek
June 17, 2019
The parts I ordered was a exact fit and curretlybare performing great. Will consider using 1aauto in the future.
Worked fine
Randy
June 24, 2019
Fit with no problem and works fine
Perfect fit
M
July 11, 2019
Part came in on time with no problem the part fit perfectly thanks
Perfect fit for o2 sensors
Kevin
July 11, 2019
Exactly as described delivered quickly. Perfect fit. Thank you took care of my issues
Perfect
F
July 12, 2019
Just as described, fit perfectly.
Awesome service and parts
S
July 17, 2019
Had an awesome buying experience. Customer service agent helped me find the right part quickly. Part worked great and fixed the problem. A1 auto is the best!
jose
July 25, 2019
Good
Excellent
John
August 9, 2019
1A Auto provided an easy and problem free way to order this product and gave me several options to order from and it also arrived in a very timely manner 1A Auto Rocks !!!!
O2sensor
R
August 26, 2019
Items fit perfectly and arrived on time extremely happy will continue to buy from 1AA Auto.
1999 Yukon , with 345,000 km. 5.7 vortec flashing several codes.
S
August 31, 2019
My high miler Yukon was flashing multiple codes. I ordered the complete distributor along with the 02 sensors. I was very pleased with the shipping time , as well as the pricing. My local trusted mechanic did the install. The codes have all disappeared, my Yukon starts first time every time, the accleration is crisp and smooth, the exhaust tone is also deeper and the fuel mileage has improved. There is no longer that noticeable raw fuel stench at idle. I am very satisfied , I will definetly place furrher orders . Thank you for a job well done. Cheers.
Good parts great delivery time
Tim
October 3, 2019
Great price for a full set of O2 sensors. Very speedy delivery time. Sensors work great. Install video very helpful
O2 sensor
M
October 15, 2019
They were a perfect fit and a great price.
Great Products!!!!!
Andre Lyles
November 8, 2019
I searched and searched for some O2 sensors for my truck, and when I came to 1A Auto I knew I didn't need to look any further because 1A Auto had the best price on the market. The O2 sensors I received put the power back in my truck. Thanks 1A Auto for not only selling great products but also showing me how to install them.
1AEEK008-16-Cheyy GMA Cadillac 02 Oxygen Sensor 4 piece Set .
J
November 17, 2019
This auto part has my truck running smooth as ever and the video with Don help me to locate and fix the problem and I didn't know they that had four sensors on my Chevy don was a good help thanks 1auto.
W
November 22, 2019
great
2001 chevy suburban oxygen sensors
M
December 5, 2019
They sent me the right parts on time and now my truck is running much better stronger faster and smoother. defenitiy I will recommend them...
It was perfect came right on time and was box perfect everything worked out great
Cwf1989
December 7, 2019
It was perfect came right on time and was box perfect everything worked out great
Cory
December 31, 2019
Great product excellent quality fast shipping thank you 1Aauto
Nathan
January 27, 2020
Had a oxygen sensor code pop up and decided to go with 1 aauto because they have excellent prices. After installing all 4 new sensors the code has been clear for 3 weeks now. Thanks 1 aauto!
perfect fit
V
March 15, 2020
I love it when I can buy a part that is an exact fit and does not need to be modified. thank you.
So far so good.
Brian
March 16, 2020
No codes yet.
Looked to be great quality
lois
April 4, 2020
Great service from this company, the part was a wrong fit and return was an easy process, sadly they didnt have the right replacement so paid for return shipping and got my money back. I will be using them again
Will not match!
Baltazar
April 9, 2020
They did not match!
Works
C
June 26, 2020
Had two O2 sensors that where bad. Replaced all four w this kit. Engine light went immediately off!
O2 Sensors
Josef
July 29, 2020
I purchased the 4 pc set for truck, Im pleased with the order and the prompt delivery.
E
August 16, 2020
Great
A+ for 1A Auto
Ken
September 9, 2020
First, my 18-yr old Son and I are working together to update his 1997 Silverado, 5.7L, C1500, OBS. This is a great opportunity to spend some father/son time together during this pandemic. I teach him. He teaches me. This build is all on him and he is footing the bill (yes, him). This will become his pride and joy. The 1A Auto online system is second to none! Even the national box stores can't beat the pricing. We like the fact we can get what we need quickly by putting in some basic information (website is very intuitive) or add all the details (such as VIN or product Number) as possible and it guides you to the variety of product manufacturers (OEM) for your vehicle. The Fitment confirmation system is a great add-on for us DIYers to get it right, the first time. From time to time we have had to watch the product installation videos that are simple and direct. The YouTubers are fine but have a tendency to be too short, too long, skips important information, or poor video/audi
Knowledgeable Staff.
Rufus
October 17, 2020
I purchased this complete set I had a question about which sensor was the Upstream or Downstream. I contacted 1A Auto they answered my question right away : The 1AEOSO1019 is the Upstream 02 Sensor and the AEOSO1008 is the Downstream 02 Sensor. Very knowledgeable Staff, perfect installation no more check engine light. Thanks 1A AUTO
GMC O2 sensor replacement
W
November 4, 2020
Quality parts at the right price. Fast delivery, fit and instructions on how to install it. Would definitely recommend this product to anyone.
Excellent product
james
November 11, 2020
I needed to replace one oxygen sensor on my tahoe to pass smog. I ordered all four for the price of two,passed no problem and runs way stronger now.
O2 sensor package
D
January 26, 2021
Ordered O2 sensors from 1A Auto for 98 Chevy 1500 project truck. Sensors arrived ahead of delivery date provided in email. Sensors were packaged professionally and they already had anti-seize on the threads which was nice. Prices werent even comparable with local parts store, A1 was much cheaper and I will definitely be ordering from them again in the near future as they just have solid service which is rare these days.
I think the Chevrolet GMC Cadillac is a good product.
Noe
January 26, 2021
I think the 1AEEK00816-Chevrolet GMC Cadillac 4 piece O2 Oxygen Sensor Set is a really good product for so many reasons.
2002 Chevy Suburban 4 piece O2 Sensors
Michael-D
February 24, 2021
I bought another set from another retailer, but 2 of them were incorrect. Bought this set from 1A Auto and theyre a model match to the OEM pieces. No more Service Engine Soon light, great price and fast shipping too! Thank you!!!
Worth it
D
February 24, 2021
Was very happy with the purchase and the set of four was actually cheaper than buying them individually from another store. They fit on my truck perfectly and the truck runs better with them.
Easy install
T
February 26, 2021
The part came in quick it was easy to install and the qualities been good so far for the price I would recommend and purchase again its also great plus they they have a ton of videos online to help you through most of the projects you have
02 oxygen sensor set
David
March 23, 2021
Fair price for all 4 sensors and perfect fit for my 1997 gmc sierra .
D
April 5, 2021
Giid customer service good parts
E
April 14, 2021
Got my stuff when they said price was good I would order from them again
Chevrolet Silverado oxygen sensors
Steve
May 12, 2021
I was very satisfied with this product as it fit perfectly and plugged right in as described. I would highly recommend this item for purchase to anyone who might be in need of oxenger sensors for this type of vehicle. Definitely two thumbs up!
Awesome!!
Henry
May 26, 2021
Got this product for a great price This product was exactly what i needed
Perfect solution
marshall
June 27, 2021
Exactly what I needed for a 96 gmc k1500 with 5.7 engine. Fit perfect. Save yourself some grief and also get a quality o2 sensor socket.
A1 all day!!!
Phillip
June 27, 2021
Love A1 auto parts Ive purchased plenty of parts and get them in a timely manner and they always fit and work properly!!!
Grannies 1999 Chevrolet
[{"url": "https://wac.edgecastcdn.net/001A39/prod/media/pNISJll75W64CYGsite/6ea6b11039934c0a4b1e50a0de47f09a_1626284118525_0.jpeg", "caption": "The is my Chevrolet back on the road again. Thanks ?? ?? A $1"}]
Mary
July 14, 2021
The dam !!! place to shop 4.all....!!!!! Your car parts and they save u a lot of ?? ?? ?? ?? depending on the type you need...
Anthony
July 17, 2021
Exactly what I needed
Front sensors don't work.
Alan
August 12, 2021
Front 02 sensors will not work in my 2001 tahoe. Had to buy Bosch 02 sensors for check engine light to stay off, rears worked fine. A1 auto won't take them back, only willing to send me replacement ones that don't work, and also won't refund even half the money cause it's an electric part. Left having to spend another $110 in parts to get truck to run correctly. Don't buy this set for your tahoe or silverado, buy either Bosch or ACDelco 02 sensors, save yourself time and money!
Ken
September 2, 2021
Product worked great... Also, thanks for the video about the installation, not being a mechanic, helped.
O2 sensors
Jeff
September 22, 2021
Fit perfect 00 chev c1500. Cleared all my cautions with hvac on my obd scanner. Highly recommend. Price is almost to go but i will see over time of use.
gregory
September 29, 2021
They worked out grate
Good fit as stated for 1999 Chevy Silverado 1500
Alan
October 24, 2021
Fixed the problem
Customer Q&A
Are these sensors equipped with internal heaters?
February 11, 2018
Patrick W
10
Yes they are.
March 28, 2018
Tim K
Do u have to unplug the positive or negative cable before installing o2 sensors ?
June 27, 2018
Henry G
Looking for a set of sensors for a 2000 Silverado 2500 with a 6.0. Will these work?
August 1, 2018
Brian S
10
No, this oxygen sensor kit is not compatible with the 2000 Chevy Silverado 1500 with the 6.0L Engine. These sensors are only compatible with the 5.3L engine. Please let us know if you need any further assistance, thank you.
August 2, 2018
Jessica D
10
Good question, but hard to say. They did not fit my 2002 Chevy Tahoe. Their are several models of sensors, and some have different plugs. Depends if the vehicle was made in Canada or the US, or if the parts were made in Canada or the US. In my case the vehicle was made in the US but the parts came from a plant in Canada. Made it very difficult to find the right part. My suggestion is to disconnect the plug under the vehicle, and take a picture. This will make your search much easier. With the picture, my local Pep Boys dealer helped me determine the right plug, and A1 Auto had a much better price. A1 Auto customer service was very helpful as well.
August 2, 2018
B E
Would these 4 02 oxygen sensors; 2 for downstream and 2 for upstream work for my 1997 K1500 Chevrolet Silverado 5.7 Liter automatic 4x4 pickup truck?
March 19, 2019
Jorge D
10
These sensors will fit your application as long as it has the 4L60E 4 Speed Automatic Transmission.
March 19, 2019
Andra M
Are these O2 sensors 3or4 wire ?
May 16, 2019
Jimmy H
10
These O2 sensors are 4 wire. Please be sure to check the vehicle fit list to ensure they are listed to fit your vehicle.
May 16, 2019
Anthony C
Would this fit a 2002 GMC Sierra 1500 4.8?
July 28, 2019
Jose C
10
This will be correct for that vehicle as long as it was manufactured in the U.S. Please contact us if you have any further questions.
July 28, 2019
Anthony C
Will these work with a 7.4 vortec?
December 16, 2019
George T
10
This part will not fit your vehicle. We may have a part that is listed to fit. Please enter your vehicle's year make and model in the search bar at the top of the page. This will display parts guaranteed to fit your vehicle. If you'd like to order with a Customer Service Representative, please give us a call at 1-888-844-3393. Thank you!
December 17, 2019
Emma F
I need only one o2 sensor!!! 1 bank 1 sensor upstream!!! Can i get it and only it!!! I cant seem to find it!!!?
December 25, 2019
C H
Is these 4 all 4 sensors on my truck ?
March 16, 2020
Laurence C
10
Thanks for your inquiry. This part is specific to vehicles with a particular set of options. We will need more information about your vehicle to confirm the fit. The information we will need in order to assist you is your VIN.
March 17, 2020
Emma F
Are this o2 sensors for a Canada truck?
May 2, 2020
Juan J
10
Thank you for your inquiry. Depending on the vehicle, these are for US built models. Please let us know if you have any further questions.
May 2, 2020
Anthony C
Fit on Mexico produced models?
July 14, 2020
Eric L
10
Thank you for your question, Eric! These oxygen sensors have a very specific fit depending on the year, make and model of your vehicle. For certain models they will not fit Canadian built vehicles, and some will only fit US built vehicles. Please be sure to read the fit description carefully for your year, make and model to ensure these will be correct for you. If you have any other questions please be sure to let us know!
July 14, 2020
Tim K
will this kit fit a 1999 chevy silverado 2500 extended cab 4x4 with 6.0 v8?
September 16, 2020
Rodney N
10
Currently, we do not carry this part for your vehicle. We're always updating our inventory so please check back soon! If you have any other questions, let us know.
September 16, 2020
Emma F
Out of this four piece set which part number is for the upstream and which part number is for the downstream oxygen sensor?
October 16, 2020
Rufus T
10
Thanks for your inquiry. This part is specific to vehicles with a particular set of options. We will need more information about your vehicle to confirm the fit. The information we will need in order to assist you is your VIN.
October 16, 2020
Emma F
10
Examine the old electrical plugins one at a time, on the vehicle and match them with the new plugs because the up-stream and the down-stream have different electrical plugins. The up-stream 02 sensor is before the catalytic convertor and the down-stream 02 sensor is after the catalytic convertor. A1 Auto parts has a video on its web site on how to install oxygen sensors on Chevrolet and GMC pickups.
October 16, 2020
Ken K
Will these sensors work for a 98 k2500 manual transmission nv4500 5.7l?
October 20, 2020
Chris B
10
Currently, we do not carry this part for your vehicle. We're always updating our inventory so please check back soon! If you have any other questions, let us know.
October 20, 2020
Emma F
what is the lengths of the wireing harnesses i have one that is 20 inches?
February 20, 2021
Steve B
10
Actual Measurements are not listed or available. Our parts are exact replacements for your vehicle's OEM parts. As long as your year, make, and model match up with our listing, these parts will directly fit and function like the originals.
February 22, 2021
Tim K
Will it fit the 2002 Cadillac Escalade with the 6.0 engine?
May 1, 2021
Carla M
10
This part will not fit your vehicle, but we may have a part that is listed to fit. Please enter your vehicle's year make and model in the search bar at the top of the page. This will display parts guaranteed to fit your vehicle. Just be sure to verify all of the information shown in the Vehicle Fit tab before ordering.
May 1, 2021
Cristina P
is the upstream sensor  bank 1 and bank 2 they are the seme?
July 4, 2021
John D
10
The upstream sensors will be the same as each other.
July 5, 2021
Emma F
What brand name are they?
July 13, 2021
Raughley L
Are 4 of these Sensors compatible with a 2002 GMC Yukon Denali XL V8 6.0L motor?
September 12, 2021
LARRY B
10
This O2 sensor kit will not be compatible with the 6.0L engine.
September 13, 2021
Tim K
Customer service

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Chevrolet GMC Cadillac 4 Piece O2 Oxygen Sensor Set DIY Solutions EMS00174-1AEEK00816 does not fit your:



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