--- product_id: 341663555 title: "Denso 234-9040 Air Fuel Ratio Sensor" brand: "denso" price: "€ 351.70" currency: EUR in_stock: true reviews_count: 6 category: "Denso" url: https://www.desertcart.be/products/341663555-denso-234-9040-air-fuel-ratio-sensor store_origin: BE region: Belgium --- # High accuracy measurement 10:1 - 20:1 AFR range Withstands up to 1200°C for extreme conditions Zirconium solid electrolyte for durability Denso 234-9040 Air Fuel Ratio Sensor **Brand:** denso **Price:** € 351.70 **Availability:** ✅ In Stock ## Summary > ⚡ Tune smarter, drive cleaner — the sensor your engine deserves! ## Quick Answers - **What is this?** Denso 234-9040 Air Fuel Ratio Sensor by denso - **How much does it cost?** € 351.70 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/341663555-denso-234-9040-air-fuel-ratio-sensor) ## Best For - denso enthusiasts ## Why This Product - Trusted denso brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted OEM Quality:** Denso’s global reputation guarantees perfect fit and consistent sensor performance. - • **Future-Ready Mobility:** Engineered to support advanced powertrain systems, keeping your ride ahead in automotive tech. - • **Durable Zirconium Build:** Crafted from premium zirconia material ensuring long-lasting reliability under extreme heat. - • **Precision Engine Tuning:** Achieve optimal air-fuel balance with high-accuracy sensing for peak performance and fuel efficiency. - • **Plug & Play Installation:** Designed for easy flange mount installation—get your vehicle back on the road faster. ## Overview The Denso 234-9040 Air Fuel Ratio Sensor uses a zirconium solid electrolyte to deliver highly accurate air-fuel mixture readings within a 10:1 to 20:1 range. Built to endure temperatures up to 1200°C, it ensures durability and reliable performance. Easy to install with a flange mount design, this sensor is a trusted OEM-quality component favored by professionals for optimizing engine efficiency and emissions. ## Description From the manufacturer About Us DENSO is a global company focused on advanced mobility that positively changes how the world moves and contributes to greater well-being. As a global company, we have a broad product portfolio and widespread global impact. We are a trusted automotive supplier and influencer providing thermal, powertrain, mobility, electrification, & electronic systems to carmakers and other manufactuerers around the world. We are focused on the development of core technologies in four fields to create new value and influence the future of mobility. *Claims not verified. Review: Good - Good Review: Quality product - 2003 Accord, work great. No issues perfect oem fit. ## Features - Manufactured to detect the amount of exhaust gas air fuel ratio.Material:Zirconium - Constructed from durable material - Features zirconia solid electrolyte - Highly accurate - Easy installation ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000PWTIUG | | Best Sellers Rank | #59,221 in Automotive ( See Top 100 in Automotive ) #10 in Automitive Electrical Air & Fuel Ratio | | Brand | Denso | | Brand Name | Denso | | Customer Reviews | 4.6 out of 5 stars 465 Reviews | | Global Trade Identification Number | 00042511112643 | | Included Components | Air Fuel Ratio Sensor | | Item Dimensions | 14.6 x 5.6 x 4.8 centimeters | | Item Type Name | Air Fuel Ratio Sensor | | Item Weight | 0.2 Pounds | | Item dimensions L x W x H | 14.6 x 5.6 x 4.8 centimeters | | Item weight | 0.2 Pounds | | Manufacturer | Denso | | Material | Zirconium | | Material Type | Zirconium | | Measurement Accuracy | [High] | | Measurement accuracy | [High] | | Measuring Range | 10:1 - 20:1 | | Model | 234-9040 | | Mounting Type | Flange Mount | | Number of Items | 1 | | Output Type | Push-Pull | | Part Interchange Info | 234-9040 | | Part Number | 234-9040 | | Specific Uses For Product | automotive, electrical | | Style | Modern | | Style Name | Modern | | UPC | 042511112643 | | Upper Temperature Rating | 1200 Degrees Celsius | ## Product Details - **Brand:** Denso - **Item dimensions L x W x H:** 14.6 x 5.6 x 4.8 centimeters - **Item weight:** 91 g - **Material:** Zirconium - **Style:** Modern ## Images ![Denso 234-9040 Air Fuel Ratio Sensor - Image 1](https://m.media-amazon.com/images/I/61ZfCo9ZUlL.jpg) ![Denso 234-9040 Air Fuel Ratio Sensor - Image 2](https://m.media-amazon.com/images/I/617BA3fnOeL.jpg) ![Denso 234-9040 Air Fuel Ratio Sensor - Image 3](https://m.media-amazon.com/images/I/31FuHx9Ne+L.jpg) ![Denso 234-9040 Air Fuel Ratio Sensor - Image 4](https://m.media-amazon.com/images/I/61ZaOlze2yL.jpg) ![Denso 234-9040 Air Fuel Ratio Sensor - Image 5](https://m.media-amazon.com/images/I/51+4IUylILL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good *by S***S on 2 August 2024* Good ### ⭐⭐⭐⭐⭐ Quality product *by J***N on 5 November 2025* 2003 Accord, work great. No issues perfect oem fit. ### ⭐⭐⭐⭐⭐ Own works like a charm . Honda 2.4 *by R***S on 7 April 2023* Perfect ND stock quality sensor , upstream B1S1 . No more light. Perfect lone honda dealer . It’s ND original too . Perfect clips , threads and stainless steel quality , as to be expected . Forget made in China others . ## Frequently Bought Together - Denso 234-9040 Air Fuel Ratio Sensor - Denso 234-4797 Oxygen Sensor - Offset Oxygen Sensor Socket, 3/8-Inch Drive, 7/8-Inch (22mm), Wire Gate Accesses Sensor from Side, Preventing Damage to Wires, Universal for Most Cars --- ## 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.be/products/341663555-denso-234-9040-air-fuel-ratio-sensor](https://www.desertcart.be/products/341663555-denso-234-9040-air-fuel-ratio-sensor) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-08-18*