


MK4 Before-Catalyst Oxygen Sensor (VR6)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
MK4 Before-Catalyst Oxygen Sensor (VR6)The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best in class performance and maximum service life. > OE Equivalent. > Direct fit for easy installation. > OE Style connectors and wire lengths. > Base ceramic probe of Zirconium and Yttrium. > Patented Platinum Power Grid. > Fine
Quick Dispatch:
Your MK4 Before-Catalyst Oxygen Sensor (VR6) orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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★★★★★ 4
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Color: CA12061
Appears to be good quality material. It fits the model of car I bought it for, 2016 Honda Pilot, however it does not fit as snug as the other filter did. The dimensions could be improved a little, but I don't believe there is a gap along the end to allow anything to get by.
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Reviewed in the United States on May 11, 2022
★★★★★ 5
Durable air filter
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Great reviews so I purchased this for my 21 Acura TLX. This was the first time I changed the filter on my car. Very durable and thick, so far so good. It was super easy to install, don’t see much of a change in fuel usage but that wasn’t a concern. Great value for money will buy again.
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Reviewed in the United States on November 14, 2025
★★★★★ 5
Fits perfectly
Color: CA12061
Fits my 2021 Acura TLX perfectly. Excellent quality!
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★★★★★ 5
Good Fit for 2020 Honda Odyssey
Color: CA12061, Color: CA12061
The air filter fits my 2020 Honda Odyssey perfectly. Easy to install and works well. No issues at all. Happy with the purchase.
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Reviewed in the United States on June 16, 2025
★★★★★ 5
High Quality
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