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.
This part fits
13 vehicles spanning 2002-2008.
Fits these Makes
Select vehicle
Year
Make
Model
Description
2005-2006
Audi
A8 Quattro
Audi A8 Quattro W12 6.0L Upstream Cylinders 1-3 O2 Oxygen Sensor TRQ OSA61337
2007
Audi
A8 Quattro
Audi A8 Quattro W12 6.0L To Chassis # 4E7016999 Upstream Cylinders 1-3 O2 Oxygen Sensor TRQ OSA61337
2004-2005
BMW
545i
BMW 545i V8 4.4L Manual Transmission Upstream Left O2 Oxygen Sensor TRQ OSA61337
2004-2005
BMW
645Ci
BMW 645Ci V8 4.4L Manual Transmission Upstream Left O2 Oxygen Sensor TRQ OSA61337
2002
BMW
745Li
BMW 745Li V8 4.4L Upstream Right O2 Oxygen Sensor TRQ OSA61337
2003
BMW
745Li
BMW 745Li V8 4.4L To 9/01/02 Production Date Upstream Right O2 Oxygen Sensor TRQ OSA61337
2002
BMW
745i
BMW 745i V8 4.4L Upstream Right O2 Oxygen Sensor TRQ OSA61337
2003
BMW
745i
BMW 745i V8 4.4L To 9/01/02 Production Date Upstream Right O2 Oxygen Sensor TRQ OSA61337
2004-2006
BMW
X5
BMW X5 V8 4.8L Upstream Right O2 Oxygen Sensor TRQ OSA61337
2004-2006
BMW
X5
BMW X5 V8 4.4L Upstream Right O2 Oxygen Sensor TRQ OSA61337
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.
OSA61337
In Stock
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