--- product_id: 187108821 title: "Kwiksen 2pcs AFR Upstream&Downstream Oxygen O2 Sensor 1 2 Compatible with Mazda 3 L4 2.3L Turbo 2007-2009,Compatible with Mazda 6 L4-2.3L Turbo 2006-2007" brand: "kwiksen" price: "€ 254.33" currency: EUR in_stock: true category: "Automotive" url: https://www.desertcart.fr/products/187108821-kwiksen-2pcs-afr-upstream-and-downstream-oxygen-o2-sensor-1 store_origin: FR region: France --- # Kwiksen 2pcs AFR Upstream&Downstream Oxygen O2 Sensor 1 2 Compatible with Mazda 3 L4 2.3L Turbo 2007-2009,Compatible with Mazda 6 L4-2.3L Turbo 2006-2007 **Brand:** kwiksen **Price:** € 254.33 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Kwiksen 2pcs AFR Upstream&Downstream Oxygen O2 Sensor 1 2 Compatible with Mazda 3 L4 2.3L Turbo 2007-2009,Compatible with Mazda 6 L4-2.3L Turbo 2006-2007 by kwiksen - **How much does it cost?** € 254.33 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/187108821-kwiksen-2pcs-afr-upstream-and-downstream-oxygen-o2-sensor-1) ## Best For - kwiksen enthusiasts ## Why This Product - Trusted kwiksen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Please check fitment notes & description for accurate information. Specification: *Kwiksen Brand New Oxygen Sensor *Direct Plug-In Replacement. *Warranty: 1 Year *Position:Upstream&Downstream *4 wire & 5 wire configuration Fit Vehicles: 2007-2009 Mazda 3 L4 2.3L Turbo only Package Include: 2 x Oxygen Sensor ## Features - ➤【Interchange Number】Replacement for 2007-2009 Mazda 3 L4 2.3L (Tip: Bank 1 Sensor 1 means Upstream/Right; Bank 2 Sensor 1 means Upstream/Left；Bank 1 Sensor 2 means Downstream/Right; Bank 2 Sensor 2 means Downstream/Left.） - ➤【Quality】 Kwiksen is manufactured with precision to meet OE standards, the products manufactured are of the highest quality, and are certified by CE & SGS. The part of heating head of plugs are well designed to replace for your needing, no extra work required to reset or adjust when you use it, plug and play The part of wire is 8, this design to provide the double protection, and the wire is very firm. - ➤【How to choose】 Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchasing. Kwiksen can neet your needing, it will be your first choice and worthy of your trust, Kwiksen oxygen sense an adjust the fuel inject and keep the A/F radio at optimal value 14.7, in this way it can reduce he harmful emission If you have any questions, please email us, we try to answer all email within 24 hours - ➤【How to install】 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 en sure a proper seal of the new sensor,step4.Gently tighten the sensor in order to keep wire free from damage and avoid sensor leakage, step 5,reinstail the connecor,try to clear it if the car has diagnostic trouble codes - ➤【Warranty】 Within 30 days return & 1 year/12 months unlimited miles free replacement, your satisfaction is our target to achieve, so, if you have any question, please contact with us ,we are waiting for your coming,if you don't like it,just return and get a full refund. - ›See more product details ## Images ![Kwiksen 2pcs AFR Upstream&Downstream Oxygen O2 Sensor 1 2 Compatible with Mazda 3 L4 2.3L Turbo 2007-2009,Compatible with Mazda 6 L4-2.3L Turbo 2006-2007 - Image 1](https://images-na.ssl-images-amazon.com/images/I/71vaZmhSjbL.jpg) ![Kwiksen 2pcs AFR Upstream&Downstream Oxygen O2 Sensor 1 2 Compatible with Mazda 3 L4 2.3L Turbo 2007-2009,Compatible with Mazda 6 L4-2.3L Turbo 2006-2007 - Image 2](https://images-na.ssl-images-amazon.com/images/I/61xSlTUYnwL.jpg) ![Kwiksen 2pcs AFR Upstream&Downstream Oxygen O2 Sensor 1 2 Compatible with Mazda 3 L4 2.3L Turbo 2007-2009,Compatible with Mazda 6 L4-2.3L Turbo 2006-2007 - Image 3](https://images-na.ssl-images-amazon.com/images/I/51WTTqvNS5L.jpg) ![Kwiksen 2pcs AFR Upstream&Downstream Oxygen O2 Sensor 1 2 Compatible with Mazda 3 L4 2.3L Turbo 2007-2009,Compatible with Mazda 6 L4-2.3L Turbo 2006-2007 - Image 4](https://images-na.ssl-images-amazon.com/images/I/61jBIEvG8pL.jpg) ![Kwiksen 2pcs AFR Upstream&Downstream Oxygen O2 Sensor 1 2 Compatible with Mazda 3 L4 2.3L Turbo 2007-2009,Compatible with Mazda 6 L4-2.3L Turbo 2006-2007 - Image 5](https://images-na.ssl-images-amazon.com/images/I/61OZJwUxS1L.jpg) --- ## 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.fr/products/187108821-kwiksen-2pcs-afr-upstream-and-downstream-oxygen-o2-sensor-1](https://www.desertcart.fr/products/187108821-kwiksen-2pcs-afr-upstream-and-downstream-oxygen-o2-sensor-1) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-04-23*