★★★★★
April 3, 2026
Great quality parts
Good quality and perfect fit had no problem. Engine light stayed off once I got the right oxygen parts.
Replaces
About TRQ:
TRQ is a trusted brand dedicated to making every repair a success story by combining premium parts with easy installation. Each TRQ part is engineered by a team of automotive experts to meet or exceed OEM standards, delivering enhanced performance and maximum longevity. With rigorous in-house testing, the brand ensures superior fit and function across every product line. TRQ also provides customers with best-in-class, step-by-step installation videos—so you can complete repairs with confidence, whether you're a first-time DIYer or an industry professional.
Product Features
TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for improved strength and durability, and plasma-sprayed to improve sensitivity and prolong the service life of the sensors. Oxygen sensors wear out over time and should be replaced every 60,000 miles to prevent poor engine performance. TRQ recommends replacing the oxygen sensors in sets to optimize fuel economy and reduce overall emissions. All products are fit and road-tested in our Massachusetts R&D facility to ensure we deliver on our promise of Trusted Reliable Quality.
What is Upstream vs. Downstream?
Install Tip: You may be required to reset the vehicle computer after installation of this part.
Returns: Parts with electrical components cannot be returned once installed.
Attention California Customers:
WARNING: This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
This part fits 27 vehicles spanning 2006-2007.
| Year | Make | Model | Description |
|---|---|---|---|
| 2006 | Cadillac | CTS | Cadillac CTS V8 6.0L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Cadillac | Escalade | Cadillac Escalade V8 6.2L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Cadillac | Escalade ESV | Cadillac Escalade ESV V8 6.2L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Cadillac | Escalade EXT | Cadillac Escalade EXT V8 6.2L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Chevrolet | Avalanche | Chevrolet Avalanche V8 6.0L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Chevrolet | Avalanche | Chevrolet Avalanche V8 5.3L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2006 | Chevrolet | Silverado 1500 | Chevrolet Silverado 1500 V8 4.8L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Chevrolet | Silverado 1500 | Chevrolet Silverado 1500 V6 4.3L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Chevrolet | Silverado 1500 Classic | Chevrolet Silverado 1500 Classic V6 4.3L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Chevrolet | Silverado 1500 Classic | Chevrolet Silverado 1500 Classic V8 4.8L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Chevrolet | Suburban 1500 | Chevrolet Suburban 1500 V8 6.0L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Chevrolet | Suburban 1500 | Chevrolet Suburban 1500 V8 5.3L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Chevrolet | Suburban 2500 | Chevrolet Suburban 2500 V8 6.0L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2006-2007 | Chevrolet | Tahoe | Chevrolet Tahoe V8 4.8L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Chevrolet | Tahoe | Chevrolet Tahoe V8 5.3L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2006 | GMC | Sierra 1500 | GMC Sierra 1500 V8 4.8L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | GMC | Sierra 1500 | GMC Sierra 1500 V6 4.3L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | GMC | Sierra 1500 Classic | GMC Sierra 1500 Classic V6 4.3L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | GMC | Sierra 1500 Classic | GMC Sierra 1500 Classic V8 4.8L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2006-2007 | GMC | Yukon | GMC Yukon V8 4.8L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | GMC | Yukon | GMC Yukon V8 6.2L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | GMC | Yukon | GMC Yukon V8 5.3L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | GMC | Yukon XL 1500 | GMC Yukon XL 1500 V8 6.0L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | GMC | Yukon XL 1500 | GMC Yukon XL 1500 V8 5.3L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | GMC | Yukon XL 1500 | GMC Yukon XL 1500 V8 6.2L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | GMC | Yukon XL 2500 | GMC Yukon XL 2500 V8 6.0L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| 2007 | Hummer | H2 | Hummer H2 V8 6.0L Upstream & Downstream 4 Piece O2 Oxygen Sensor Set TRQ OSA62855 |
| Brand Label | Part Number |
|---|---|
| Walker Products | 250-24703 |
| Walker Products | 250-24355 |
| Wells | SU1458 |
| ACDelco | 12585999 |
| Isuzu | 8125859990 |
| ACDelco | 213-4350 |
| Niehoff | FE8805 |
| Bosch | 15150 |
| Standard Motor Products | SG1720 |
| Saturn | 12569496 |
| Bosch | 15899 |
| Standard Motor Products | SG936 |
| ACDelco | 12615124 |
| DENSO | 234-4774 |
| Wells | SU7204 |
| Niehoff | FE80814 |
| Isuzu | 8125775880 |
| Niehoff | FE80036 |
| ACDelco | 213-2915 |
| Delphi | ES20352 |
| Standard Motor Products | SG1827 |
| Standard Motor Products | SG707 |
| ACDelco | 12589549 |
| OMNIPARTS | 19060077 |
| DENSO | 234-4819 |
| ACDelco | 213-3866 |
| DENSO | 234-4249 |
| DENSO | 234-4646 |
| Wells | SU1488 |
| Standard Motor Products | SG1629 |
| ACDelco | 12589321 |
| DENSO | 234-4773 |
| DENSO | 234-4345 |
| Delphi | ES20117 |
| ACDelco | 213-3544 |
| ACDelco | 213-2831 |
| ACDelco | 25182983 |
| Bosch | 16861 |
| ACDelco | 213-1551 |
| ACDelco | 213-3913 |
| ACDelco | 12597989 |
| Niehoff | FE80838 |
| DENSO | 234-4337 |
| Standard Motor Products | SG1641 |
| ACDelco | 12577588 |
| DENSO | DOX0301 |
| DENSO | 234-4112 |
| Niehoff | FE80826 |
| Bosch | 15903 |
| Niehoff | FE80806 |
| DENSO | 234-4236 |
| OMNIPARTS | 19060388 |
| Standard Motor Products | SG708 |
| DENSO | 234-4246 |
| ACDelco | 12580466 |
| Standard Motor Products | SG1621 |
| Wells | SU1521 |
| DENSO | 234-4348 |
| Bosch | 15898 |
| Omnicraft | QDY107 |
| Standard Motor Products | SG1653 |
| Beck/Arnley | 156-4298 |
| ACDelco | 25180901 |
| Omnicraft | QDY70 |
| ACDelco | 12612506 |
This item may be interchangeable with parts from other brands with the above part numbers. This information is provided only for reference and does not guarantee that the item you are purchasing is identical to parts with part numbers from the brands listed above. To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.
Lifetime Warranty
This item is backed by our limited lifetime warranty. In the event that this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.
Returns: Parts with electrical components cannot be returned once installed.
FREE Shipping is standard on Orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii, Alaska and US Territories. Shipping is not available to Canada.
Expedited is available on checkout to the United States, excluding Alaska, Hawaii and US Territories as well as P.O. Boxes and APO/FPO/DPO addresses. Final shipping costs are available at checkout.
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Hi, I'm Mike from 1A Auto. We've been selling auto parts for over 30 years. We're dedicated to delivering quality auto parts, expert customer service, fast and free shipping, all backed by our 100% satisfaction guarantee. Visit us at 1AAuto.com, your trusted source for quality auto parts.
In this video I have a couple of oxygen sensors with me. While there are some aesthetic differences here, the wire lengths are a little different, the actual body and tip of the sensor are a little different, the threads and gasket are the same, and on the other end the connections are actually the same. I can plug these into either position on our vehicle. But if I had to ask you which one's upstream and which one's downstream, you probably can't tell just from looking at them. That's true of most oxygen sensors. The way you determine whether or not an O2 sensor is upstream or downstream is all done visually.
Your oxygen sensor position can be determined relative to your catalytic convertor. As the name suggests, upstream sensors will be located upstream or ahead of, in front of, above, closer to the engine than your catalytic convertors. This means that they see the exhaust gasses first. They then go through the catalytic convertor and to the downstream oxygen sensor, which will either be located in the catalytic convertor like our vehicle here, or after the catalytic convertor to monitor the gasses coming out of the cat and make sure that it's being efficient relative to the readings of the upstream O2 sensor.
The other determination you need to make is bank one versus bank two. Determining which bank is which can be done by looking at a picture of your vehicle's firing order. Whichever bank contains cylinder one is going to be bank one, and the other one, regardless of whether or not cylinder two is in it, is going to be bank two by default. These banks are true of V engines like V8s, V6s, and flat engines like Porsches and Subarus that have individual banks.
On inline four-cylinder engines, as long as they have one exhaust manifold like a Jeep four-liter or a four-cylinder Honda engine, you'll only have one bank with an upstream and downstream O2 sensor. There will be no bank two on the engine.
On our vehicle here, this is the passenger side, which we've already determined from the firing order is bank one. We have our upstream sensor here closest to the engine ahead of the cat. Then we have our downstream or sensor two here inside of the catalytic convertor. This could also be located somewhere after the cat. Here I have my two sensors for the vehicle. While they are aesthetically different, we can now tell this is my upstream sensor because it looks just like the upstream sensor I have up there. This is my downstream sensor. Now that we know which one's which, we can order the right part, correct the problem, and fix you up right.
Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.
Good quality and perfect fit had no problem. Engine light stayed off once I got the right oxygen parts.
Very good
Fixed my o2 sensor code i had, Had a check engine light for a while and decided to buy some Amazon O2 sensors and they never fixed my problem code, installed these O2 sensors from 1aauto and my code went away after driving around about 50 miles and i passed my smog check. So buy quality parts the first time and you'll get quality results and save money
Works perfectly
Good fit no issues
I ordered these after my truck started skipping and acting erratically. Codes for O2 sensor upstream. Ordered these and fit perfectly. Changed all 4 and truck runs awesomely. On time and great price.
I love the fact that 1A Auto sells great quality parts and the shipping is extremely fast. If they do not have oem parts for your vehicle, they definitely have parts that are more than capable of getting the job done with warranties. I also love the fact that they give tips before installing auto parts as well.
This item arrived quickly and were an exact replacement. I have been very satisfied with the TRQ brand. I would definitely recommend. Having an oxygen sensor socket would have made the install a little easier. The sensors in front of the catalytic converters are difficult to get a wrench on.
Great quality
Excellent part and price! Exact match and quality connectors. O2 sensor is pre-lubed with anti- seize saving you time and risk of fouling the sensor. For all the years I have changed O2 sensors- and learned new foul words to describe the process- the video was a huge help!
OSA62855
No, this set will not fit the 5.3L engine. Part number OSA60237 is the upstream pair for your vehicle and part number OSA61703 is for the down stream sensors.
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.
Yes, this part will fit your 2007 Chevy Avalanche 5.3 flex
Yes, the sensors will be heated.
no
The items will be labeled by each individual part number once they are received. There will be two of OSA61702 which are the upstream. And two of OSA61214 which are the downstream.
Hello, this kit is listed to fit 2006 Chevrolet Tahoe V8 4.8L Upstream & Downstream
This is not the correct part for your vehicle, but we do carry the one you need. The correct part number is: 1AEEK01252 for the upstream and 1AEOS00114 for the downstream
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.
Hello, we would be happy to assist you with that, could you provide your VIN#, please?
