--- product_id: 15270654 title: "Walker Products 250-54007 4-Wire Air/Fuel Ratio Sensor" brand: "walker products" price: "FREE" currency: ARS in_stock: false category: "Walker Products" url: https://www.desertcart.com.ar/products/15270654-walker-products-250-54007-4-wire-air-fuel-ratio-sensor store_origin: AR region: Argentina --- # Boosts fuel economy by optimizing air/fuel mix Lowers emissions for eco-conscious driving 100% OE fit for hassle-free installation Walker Products 250-54007 4-Wire Air/Fuel Ratio Sensor **Brand:** walker products **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > ⛽ Drive smarter, cleaner, and longer with Walker’s precision air/fuel sensor! ## Quick Answers - **What is this?** Walker Products 250-54007 4-Wire Air/Fuel Ratio Sensor by walker products - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/15270654-walker-products-250-54007-4-wire-air-fuel-ratio-sensor) ## 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 - • **Plug-and-Play Installation:** Vehicle-specific design and included anti-seize compound make replacement quick and simple - • **Eco-Friendly Driving Made Easy:** Improves fuel efficiency while reducing harmful emissions - • **Durability That Goes the Distance:** Corrosion-resistant stainless steel with laser-welded body for long-lasting reliability - • **Trusted by Professionals Nationwide:** Industry-approved with high coverage across North American vehicle models - • **Precision Engineered for Peak Performance:** 100% OE-based sensor ensures exact fit and function for your vehicle ## Overview The Walker Products 250-54007 4-Wire Air/Fuel Ratio Sensor is a high-quality, 100% OE-based oxygen sensor designed for precise measurement of exhaust oxygen content. Engineered with durable stainless steel, laser-welded components, and corrosion-resistant coatings, it ensures reliable performance and easy installation. This sensor optimizes fuel economy and lowers emissions, making it a trusted choice for a wide range of North American vehicles. Professionally approved and performance-tested in the USA, it offers a cost-effective, professional-grade solution for maintaining your vehicle’s efficiency and environmental compliance. ## Description Introducing Walker Products' cutting-edge oxygen sensor, the most intelligent Oxygen (O2) Sensor program in the industry, serving all makes, all models, and all customers. Our oxygen sensors feature a 100% OE base sensor program with a dual OEM shield, as well as a dual lower shield design, ceramic element, laser-welded body and shield, high-temperature sleeving, and plasma-sprayed protective coating, providing reliable and optimal performance for your vehicle. Additionally, our O2 Bungs and Kits are available for repairing damaged or seized threads, making our oxygen sensor a complete and comprehensive solution for all your vehicle needs. With exact fit, form, and function, our oxygen sensors are engineered, assembled, and 100% performance tested in the USA, ensuring high-quality and easy installation. Our oxygen sensors are also corrosion-resistant and have industry-proven performance approved by professional technicians nationwide. They offer the highest coverage of all North American vehicle applications, including wideband and air fuel ratio applications. When it comes to choosing an oxygen sensor, don't settle for anything less than a 100% OE base sensor program with industry-proven performance that is approved by professional technicians nationwide. Choose Walker Products and experience the best possible performance for your vehicle. ## Features - Package Contents: One (1) Unit - Walker Products 250-54007 Oxygen Sensor 4-W Air Fuel Ratio Wide-Band; See desertcart Confirmed Fit to verify vehicle compatibility - Improves Fuel Economy: Measures oxygen levels to optimize the air-fuel mixture, helping increase fuel efficiency and reduce operating costs - Enhances Combustion Efficiency: Accurately determines oxygen content in exhaust gases to maintain the ideal air-fuel ratio for optimal engine performance - Delivers Reliable Sensing Performance: Features gas-permeable platinum-coated electrodes for precise, consistent, and long-lasting operation - Protects Against Wear: Specialized coating helps prevent electrode erosion caused by combustion residue and exhaust particulates, extending sensor life ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000C8ZJN8 | | Best Sellers Rank | #1,581,836 in Automotive ( See Top 100 in Automotive ) #8,817 in Automotive Replacement Oxygen Sensors | | Brand Name | Walker Products | | Customer Reviews | 4.1 4.1 out of 5 stars (39) | | Global Trade Identification Number | 00724620043963 | | Included Components | Oxygen Sensor | | Item Dimensions | 5.75 x 1.85 x 2.13 inches | | Item Highlight | Provides oxygen level feedback to the engine control system with 100% OE-based design for reliable performance and efficiency | | Item Type Name | Oxygen Sensor, (4-W Air Fuel Ratio) | | Item Weight | 3.68 ounces | | Manufacturer | Walker Products | | Material Type | Metal | | Measurement Accuracy | 12.5 - 18.0% | | Measuring Range | 12.5 - 18.0 | | Model | 250-54007 | | Mounting Type | Flange Mount | | Number of Items | 1 | | Number of Packs | 1 | | Output Type | electrical signal | | Part Number | 25054007 | | Specific Uses For Product | Cold Start & Warm-Up Control, Engine Performance Optimization, Fuel Economy Improvement, Fuel–Air Ratio Monitoring, Oxygen Sensor | | Style Name | Oxygen Sensor | | UPC | 724620043963 | | Unit Count | 1 Count | | Warranty Description | 90 Day Warranty | ## Product Details - **Brand:** Walker Products - **Item Weight:** 3.68 ounces - **Item dimensions L x W x H:** 5.75 x 1.85 x 2.13 inches - **Material:** Metal - **Style:** Oxygen Sensor ## Images ![Walker Products 250-54007 4-Wire Air/Fuel Ratio Sensor - Image 1](https://m.media-amazon.com/images/I/612PFjzEP0L.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.com.ar/products/15270654-walker-products-250-54007-4-wire-air-fuel-ratio-sensor](https://www.desertcart.com.ar/products/15270654-walker-products-250-54007-4-wire-air-fuel-ratio-sensor) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-11-08*