--- product_id: 88365411 title: "350-34039 Oxygen Sensor 4-Wire Direct Fit (Original Equipment Replacement O2 Sensor)" brand: "walker products" price: "215.36 DT" currency: TND in_stock: true reviews_count: 13 category: "Walker Products" url: https://www.desertcart.tn/products/88365411-350-34039-oxygen-sensor-4-wire-direct-fit-original-equipment store_origin: TN region: Tunisia --- # 4-wire heated sensor for rapid response Platinum electrode layer for precision sensing Protective coating resists corrosion & erosion 350-34039 Oxygen Sensor 4-Wire Direct Fit (Original Equipment Replacement O2 Sensor) **Brand:** walker products **Price:** 215.36 DT **Availability:** βœ… In Stock ## Summary > πŸš— Upgrade your ride’s brain with precision sensing power! ## Quick Answers - **What is this?** 350-34039 Oxygen Sensor 4-Wire Direct Fit (Original Equipment Replacement O2 Sensor) by walker products - **How much does it cost?** 215.36 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/88365411-350-34039-oxygen-sensor-4-wire-direct-fit-original-equipment) ## Best For - walker products enthusiasts ## Why This Product - Trusted walker products brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Direct OE Fitment:** Engineered for exact fit and function, ensuring hassle-free installation and seamless ECU communication. - β€’ **Corrosion-Resistant Design:** Advanced protective coating shields sensor elements from combustion residue and exhaust particulates. - β€’ **Durable Platinum Electrodes:** Gas-permeable platinum coating guarantees long-lasting, reliable sensor performance under extreme conditions. - β€’ **Precision Air-Fuel Monitoring:** Optimizes combustion efficiency by accurately measuring oxygen levels in exhaust gases. - β€’ **Fuel Economy & Emissions Boost:** Fine-tunes air-fuel mixture to reduce pollutants and improve mileage, keeping your ride eco-smart and cost-effective. ## Overview The Walker Products 350-34039 Oxygen Sensor is a 4-wire heated narrow-band sensor designed as a direct OE replacement. Featuring platinum electrode technology and a protective coating, it delivers precise air-fuel ratio monitoring to enhance combustion efficiency, reduce emissions, and improve fuel economy. Engineered and tested in the USA for exact fit and durability, it’s the trusted choice for professional-grade vehicle performance. ## Description The Walker Products 350-34039 Oxygen Sensor is engineered and developed to be an Original Equipment Manufacturers replacement for many vehicles worldwide. This o2 sensor is manufactured for specific applications, fitment position on the vehicle, and will provide the relevant diagnostic system feedback as required by the ECU. It features a dual lower shield design, ceramic element, laser-welded body and shield, high-temperature sleeving, and plasma-sprayed protective coating. This o2 oxygen sensor is corrosion-resistant and easy to install. All our automotive replacement oxygen sensors are engineered, assembled, and 100% performance tested in the USA, ensuring exact fit, form, and function. A failed sensor might make itself known by causing the engine to run poorly, increase fuel consumption, exhaust emissions, or illuminating a (MIL) malfunction indicator light. The sensor, wiring harness, and connector should also be checked for physical damage. This will most likely also cause their operational life to be shortened. Choose the oxygen sensor with industry-proven performance that is approved by professional technicians nationwide and experience the best possible performance for your vehicle. Choose Walker Products. Review: Awesome product - Works great no issues. All 4 went in super easy took about 30min. No more codes. Definitely will be buying from this shop again thank you Review: Value for the money - 1/2 the cost of auto parts stores and does the same job. Over a year of use and no codes. ## Features - PACKAGE CONTENTS: One (1) Unit – Walker Products 350-34039 Oxygen Sensor 4-Wire Direct Fit; See desertcart Confirmed Fit to verify vehicle compatibility - AIR-FUEL MONITORING: Determines the oxygen content in exhaust gas to monitor the air-fuel ratio for combustion efficiency - EFFICIENCY AND EMISSIONS: The 02 Sensor measures oxygen levels to help fine-tune the air-fuel mixture, improving fuel economy and reducing pollutants - PLATINUM ELECTRODE LAYER: Coated with gas-permeable platinum electrodes for accurate sensing - COATING PROTECTION: A protective coating on this O2 Oxygen Sensor helps prevent erosion of electrode surfaces from combustion residue and exhaust particulates ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01IAFTUDO | | Best Sellers Rank | #22,795 in Automotive ( See Top 100 in Automotive ) #16 in Automotive Replacement Oxygen Sensors | | Brand | Walker Products | | Brand Name | Walker Products | | Customer Reviews | 4.4 out of 5 stars 659 Reviews | | Global Trade Identification Number | 00724620088636 | | Included Components | One (1) Walker Products 350-34039 Oxygen Sensor | | Item Dimensions | 2.2 x 2 x 5.9 inches | | Item Type Name | Oxygen Sensor | | Item Weight | 0.24 Pounds | | Item dimensions L x W x H | 2.2 x 2 x 5.9 inches | | Manufacturer | Walker Products | | Material | Ceramic, Metal | | Material Type | Ceramic, Metal | | Model | d3775db1-553a-4d86-bead-87d41609fa6c | | Mounting Type | Flange Mount | | Output Type | Electrical Signal | | Part Number | 350-34039 | | Smart Home Compatibility | Not Smart Home Compatible | | Specific Uses For Product | Oxygen Sensor | | Style | Heated Narrow-Band Oxygen Sensor (Standard Replacement) | | Style Name | Heated Narrow-Band Oxygen Sensor (Standard Replacement) | | UPC | 724620088636 | | Unit Count | 1.0 Count | | Warranty Description | 90 Day Warranty | ## Product Details - **Brand:** Walker Products - **Item Weight:** 3.84 ounces - **Item dimensions L x W x H:** 2.2 x 2 x 5.9 inches - **Material:** Ceramic, Metal - **Style:** O2 Sensor ## Images ![350-34039 Oxygen Sensor 4-Wire Direct Fit (Original Equipment Replacement O2 Sensor) - Image 1](https://m.media-amazon.com/images/I/51iuSO75VCL.jpg) ## Questions & Answers **Q: Does it fit in a Jeep liberty 2004 upstream and downstream?** A: I have this products istaled in my 2012 Jeep liberty but you need to purchase the right part for your car. **Q: Is this sensor also for downstream on driver side? 2017 Ram 1500** A: Hello: No, 350-34039 does not fit the Upstream and Downstream positions. 2017 Ram 1500 has 2 gasoline/flex engines that have O2 sensors 3.6L & 5.7L. The 3.6L takes 350-34213 in both Upstream and Downstream positions. The 5.7L takes either 350-34039 or 350-34213 in the Upstream position and either 350-34039, 350-34213, or 350-34592 in the Downstream positions depending on transmission type and 2WD or 4WD. Please feel free to call our Customer Service/Technical Assistance line at 866-245-5949. I hope that this helps - Good Luck. Keith Walker Product Engineer ASE Certified Master Technician Walker Products, Inc. **Q: Does this sensor fit 2009 dodge charger** A: It should fit. Double check your parts on auto sites if your unsure. **Q: Will this fit a 05 Dodge Durango hemi down stream passenger side?** A: It should dodge and Jeep o2 sensors are pretty much the same. Just make sure the connector is the same as yours. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Awesome product *by C***I on May 8, 2026* Works great no issues. All 4 went in super easy took about 30min. No more codes. Definitely will be buying from this shop again thank you ### ⭐⭐⭐⭐⭐ Value for the money *by A***S on May 18, 2026* 1/2 the cost of auto parts stores and does the same job. Over a year of use and no codes. ### ⭐⭐⭐⭐⭐ Perfect Fit - Works As It Needs To *by K***2 on April 1, 2026* Perfect fit. Wire length was just right. Plugged in just right. ## Frequently Bought Together - Walker Products 350-34039 Oxygen Sensor, Original Equipment Replacement O2 Sensor, - Walker Products 350-34213 Oxygen Sensor, Original Equipment Replacement Downstream heated O2 Sensor, Direct Fit - 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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/88365411-350-34039-oxygen-sensor-4-wire-direct-fit-original-equipment](https://www.desertcart.tn/products/88365411-350-34039-oxygen-sensor-4-wire-direct-fit-original-equipment) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-20*