







⚡ Upgrade your Mazda’s breath of life—precision sensing for peak power and eco-edge!
This Maxfavor upstream oxygen sensor is a direct OE replacement designed exclusively for California Mazda 3 models (2004-2009) with 2.0L and select 2.3L engines. Featuring a durable stainless steel build, flange mount installation, and digital output, it optimizes engine performance, fuel efficiency, and catalytic converter longevity. Comes with a 1-year unlimited mileage warranty for confident, risk-free upgrades.








| Brand | Maxfavor |
| Material | Stainless Steel |
| Item Weight | 4.6 Ounces |
| Style | Modern |
| Measuring Range | 12:1 - 16:1 |
| Mounting Type | Flange Mount |
| Output Type | Digital |
| Specific Uses For Product | Oxygen Sensor |
| Upper Temperature Rating | 8E+2 Degrees Fahrenheit |
| UPC | 680587723129 |
| Manufacturer | Maxfavor |
| Item Weight | 4.6 ounces |
| Package Dimensions | 7.87 x 5.47 x 2.32 inches |
| Item model number | 234-9085 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | MF-OS02558 |
| OEM Part Number | 234-9085 |
| ABPA Partslink Number | OS2349085 |
| Special Features | Oxygen Sensor O2 Sensor Replacement for Maz-da 3 2004 2005 2006 2007 2008 2009 2.0L 2006 2007 2008 2009 2.3L Calif.Sedan Hatchback 234-9085 O2 Sensor |
A**A
Perfecto
Perfecto
S**R
How fast and easy it was to find the part
Highly recommend
A**R
Justo lo indicaco
Justo como la foto
E**Y
It does not match
I bought it because it said it will match. Haven’t had the time to install it, that was on me. went to install 5 months later and it doesn’t match.
K**N
great price
great price
I**C
it works. check engine light gone
it does what the description of the product promised.
A**S
Does the work.
Fits perfectly my 08' Mazda 3 and cleared my CEL light form de dash.
B**R
Does not fit
This product does not fit on a 2006 Mazda 3 as it states it would.
Trustpilot
3 weeks ago
1 month ago