--- product_id: 121484715 title: "1Pc Upstream Air Fuel Ratio Sensor Oxygen O2 Sensor Replacement for Maz-da 3 2.0L 2004 2005 2006 2007 2008 2009 Only for Calif, 02 Sensor OE# 234-9085 15918 75-3493 25669 SG1661" brand: "maxfavor" price: "270 zł" currency: PLN in_stock: true reviews_count: 8 url: https://www.desertcart.pl/products/121484715-1pc-upstream-air-fuel-ratio-sensor-oxygen-o2-sensor-replacement store_origin: PL region: Poland --- # Digital Output for Accuracy High Temp 800°F Rating Precision Flange Mount 1Pc Upstream Air Fuel Ratio Sensor Oxygen O2 Sensor Replacement for Maz-da 3 2.0L 2004 2005 2006 2007 2008 2009 Only for Calif, 02 Sensor OE# 234-9085 15918 75-3493 25669 SG1661 **Brand:** maxfavor **Price:** 270 zł **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your Mazda’s breath of life—precision sensing for peak power and eco-edge! ## Quick Answers - **What is this?** 1Pc Upstream Air Fuel Ratio Sensor Oxygen O2 Sensor Replacement for Maz-da 3 2.0L 2004 2005 2006 2007 2008 2009 Only for Calif, 02 Sensor OE# 234-9085 15918 75-3493 25669 SG1661 by maxfavor - **How much does it cost?** 270 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/121484715-1pc-upstream-air-fuel-ratio-sensor-oxygen-o2-sensor-replacement) ## Best For - maxfavor enthusiasts ## Why This Product - Trusted maxfavor brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Engine-Optimized Fit:** Specifically engineered for Mazda 3 (2004-2009) California models, ensuring perfect compatibility and peak performance. - • **Easy DIY Installation:** Step-by-step install guide with flange mount design makes replacement hassle-free for the savvy millennial manager. - • **Peace of Mind Warranty:** Backed by a 1-year unlimited miles warranty—because your ride deserves reliable upgrades without the risk. - • **Fuel Efficiency Booster:** Enhances air-fuel ratio accuracy to improve fuel economy and reduce emissions—drive smarter, save more. - • **Durability Meets Performance:** Crafted from premium stainless steel for long-lasting durability and resistance to extreme engine conditions. ## Overview 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. ## Description 1Pc Upstream Air Fuel Ratio Sensor Oxygen O2 Sensor Replacement for Maz-da 3 2.0L 2004 2005 2006 2007 2008 2009 Only for Calif, 02 Sensor OE# 234-9085 15918 75-3493 25669 SG1661 ## Features - 🔧【Applications】Only for Calif! ! ! Fit for Maz-da 3 2004 2005 2006 2007 2008 2009 2.0L Only for Calif, 2007-2009 Maz-da 3 2.3L Only for Non-Turbo Calif. - 🔧【Advantage】Made of high-quality materials,strong durability,to ensure service life,oxygen sensor can improve engine performance and fuel economy,extend catalytic converter life. - 🔧【Cautions】Pls carefully check your vehicle year & make & model with the fitment of desertcart and our description.Pls compare your part with our pictures, it must be completely same.If you have any questions, please email us, we try to answer all email within 24 hours. - 🔧【Installation】STEP1. Locate the oxygen sensor position and remove it with socket, STEP2. Compare the new sensor to the old sensor to ensure a proper installation, STEP3. Please clean the threaded port to ensure a proper seal of the new sensor,STEP4.Gently tighten the sensor in order to keep wire free from damage and avoid sensor leakage, STEP5,Reinstail the connecor,try to clear it if the car has diagnostic trouble codes. - 🔧【Warranty】1-Year Unlimited Miles Warranty. If the oxygen sensor does not fit your vehicle, we accept return. Please make the item clean and package in good condition. ## Technical Specifications | Specification | Value | |---------------|-------| | 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 | ## Product Details - **Brand:** Maxfavor - **Material:** Stainless Steel - **Item Weight:** 4.6 Ounces - **Style:** Modern - **Measuring Range:** 12:1 - 16:1 ## Images ![1Pc Upstream Air Fuel Ratio Sensor Oxygen O2 Sensor Replacement for Maz-da 3 2.0L 2004 2005 2006 2007 2008 2009 Only for Calif, 02 Sensor OE# 234-9085 15918 75-3493 25669 SG1661 - Image 1](https://m.media-amazon.com/images/I/61OdliMUR3L.jpg) ![1Pc Upstream Air Fuel Ratio Sensor Oxygen O2 Sensor Replacement for Maz-da 3 2.0L 2004 2005 2006 2007 2008 2009 Only for Calif, 02 Sensor OE# 234-9085 15918 75-3493 25669 SG1661 - Image 2](https://m.media-amazon.com/images/I/61i4QbyfhrL.jpg) ![1Pc Upstream Air Fuel Ratio Sensor Oxygen O2 Sensor Replacement for Maz-da 3 2.0L 2004 2005 2006 2007 2008 2009 Only for Calif, 02 Sensor OE# 234-9085 15918 75-3493 25669 SG1661 - Image 3](https://m.media-amazon.com/images/I/71j9I69M-XL.jpg) ![1Pc Upstream Air Fuel Ratio Sensor Oxygen O2 Sensor Replacement for Maz-da 3 2.0L 2004 2005 2006 2007 2008 2009 Only for Calif, 02 Sensor OE# 234-9085 15918 75-3493 25669 SG1661 - Image 4](https://m.media-amazon.com/images/I/71dD88z6ymL.jpg) ![1Pc Upstream Air Fuel Ratio Sensor Oxygen O2 Sensor Replacement for Maz-da 3 2.0L 2004 2005 2006 2007 2008 2009 Only for Calif, 02 Sensor OE# 234-9085 15918 75-3493 25669 SG1661 - Image 5](https://m.media-amazon.com/images/I/71owh2An6rL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfecto *by A***A on May 6, 2025* Perfecto ### ⭐⭐⭐⭐⭐ How fast and easy it was to find the part *by S***R on May 13, 2024* Highly recommend ### ⭐⭐⭐⭐ Justo lo indicaco *by A***R on April 1, 2024* Justo como la foto --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/121484715-1pc-upstream-air-fuel-ratio-sensor-oxygen-o2-sensor-replacement](https://www.desertcart.pl/products/121484715-1pc-upstream-air-fuel-ratio-sensor-oxygen-o2-sensor-replacement) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-26*