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
Application Specific Design: No modifications and pre-calibrated
Isotatic-pressed and plasma-sprayed for extended service life
Double-Layered 310S Stainless Steel: Additional protection from moisture and debris
Restored Engine Performance: Improved fuel economy and lower emissions
Description
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?
Upstream location is between the catalytic converter and the engine
Downstream location is between the catalytic converter and the tailpipe
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.
Honda FIT L4 1.5L Downstream Bank 1 Sensor 2 O2 Oxygen Sensor TRQ OSA61709
Part Interchange
Brand Label
Part Number
Walker Products
250-24798
Honda
36532RMEA01
Bosch
15027
Delphi
ES20403
DENSO
234-4357
ACDelco
213-4724
Honda
36532RRA004
Delphi
ES20388
Bosch
15296
DENSO
234-4358
OMNIPARTS
19060398
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.
Product Reviews
3.7/ 5
★★★★★★★★★★
3 reviews
5★
67%
4★
0%
3★
0%
2★
0%
1★
33%
★★★★★May 22, 2025
Buy local not from this company
I will never buy from 1A auto again.Terrible customer service!
★★★★★March 18, 2021
Quick Service
It turned out I found this part locally after ordering it from 1a auto. They were able to stop the order and refund my purchase in a quick and efficient manner! Great customer service! So it looks like Ill be ordering the other sensor soon. Wouldnt look any where else
★★★★★March 5, 2021
Great sensor
I saved $110 buying from 1A. Sensor has been working for months now with no issues
Showing 1–3 of 3 reviews
OSA61709
In Stock
Customer Q&A
Got a question about this part? Post it and get answers from our team.
davidApril 17, 2025
oxygen sensor fits a 2005 Honda Civic Si EP3?
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.
Jessica · April 17, 2025
Showing 1–1 of 1 question
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