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NGK Audi A6 2011-2010 Direct Fit Oxygen Sensor

Marsoni M251S
Sale price$180.59
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NGK Audi A6 2011-2010 Direct Fit Oxygen SensorNTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic
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  • We offer a 30-day return/exchange service after receiving.
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4.7 ★★★★★
Based on 859 reviews
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Blake
Boise, US
★★★★★ 5
Like A Glove
Size: 1" x 1" x 1"
Perfect fit for ‘26 Tundra.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
B
Verified Purchase
Brady
Pawtucket, US
★★★★★ 1
Wrong size for Toyota tundra 2023
Size: 1" x 1" x 1"
Bought for 2023 Toyota tundra & it doesn’t fit. Completely wrong size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
I
Verified Purchase
Izzy
San Leandro, US
★★★★★ 5
Great quality and performance
Size: 1" x 1" x 1"
The quality of the filter is great and it is easy to installed in your car. Also, it helps to improve the performance of your vehicle, keep clean air flowing and avoid bad smells. What I love about it it’s the option to washed it and reuse it over an over.
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Reviewed in the United States on July 24, 2025
J
Verified Purchase
Joshua L.
Battle Creek, US
★★★★★ 5
Awesome product!
Size: 1" x 1" x 1"
Awesome product! Fit just as it should. A lot better then buying the replacement ones every time I do an oil change. I drive a mile of gravel roads everyday and this helps keep the dust from coming into the vehicle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2026
R
Verified Purchase
Robert
Lexington, US
★★★★★ 5
Fit my Subaru Forester perfectly!
This fit my 2024 Subaru Forester perfectly. The filters exhibited a high quality construction and was packaged well. Installation was easy and saved me a lot of $ vs. having my dealer install an OEM filter.
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Reviewed in the United States on December 16, 2025

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