--- product_id: 530613442 title: "Walker Products 90-210SS Oxygen Sensor Adapter Bung – 12mm Female to 18mm Male Threads – Stainless Steel, Made in USA, Vehicle Specific Fitment (Not Universal)" price: "€ 19.51" currency: EUR in_stock: true url: https://www.desertcart.gr/products/530613442-walker-products-90-210ss-oxygen-sensor-adapter-bung-12mm-female store_origin: GR region: Greece --- # 12mm female to 18mm male thread conversion Stainless steel corrosion & heat resistance Made & tested in USA for reliable fit Walker Products 90-210SS Oxygen Sensor Adapter Bung – 12mm Female to 18mm Male Threads – Stainless Steel, Made in USA, Vehicle Specific Fitment (Not Universal) **Price:** € 19.51 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your exhaust game with precision and durability! ## Quick Answers - **What is this?** Walker Products 90-210SS Oxygen Sensor Adapter Bung – 12mm Female to 18mm Male Threads – Stainless Steel, Made in USA, Vehicle Specific Fitment (Not Universal) - **How much does it cost?** € 19.51 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/530613442-walker-products-90-210ss-oxygen-sensor-adapter-bung-12mm-female) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Crafted from high-temp stainless steel to resist corrosion and extreme exhaust heat - • **OEM-Grade Fitment:** Engineered to match original thread pitch for flawless sensor alignment and leak-free sealing - • **Effortless Installation:** Bolt-on design compatible with standard O2 sensor tools for quick, secure mounting - • **Vehicle-Specific Assurance:** Not universal—guaranteed fit for your exact application, avoiding costly installation errors - • **Precision Thread Conversion:** Seamlessly adapt 12mm sensors to 18mm ports without compromise ## Overview The Walker Products 90-210SS Oxygen Sensor Adapter Bung is a USA-made, stainless steel thread converter that securely adapts 12mm oxygen sensors to 18mm exhaust ports. Engineered for exact OEM thread pitch and corrosion resistance, it ensures leak-free, durable sensor mounting for accurate emissions monitoring and engine performance. ## Description The Walker Products 90-210SS Oxygen Sensor Adapter Bung is a precision-manufactured OE Replacement component designed to provide a secure, leak-free mounting location for threaded oxygen sensors in automotive exhaust systems. Each bung is engineered to match OE thread pitch, diameter, and material characteristics, ensuring full compatibility with upstream or downstream O2 sensors. Constructed from high-strength, corrosion-resistant steel, these bungs withstand extreme exhaust temperatures, road salt, and vibration. Whether used in exhaust system repairs, custom fabrication, or sensor relocation, Walker O2 Sensor Bungs ensure that the sensor is positioned properly within the exhaust stream—allowing accurate air-fuel ratio readings and emissions system performance. These bungs are suitable for weld-in or replacement applications and support a wide range of sensor types used in gasoline and diesel engines. Trusted by technicians and fabricators, Walker Oxygen Sensor Bungs help maintain emissions compliance, support engine control accuracy, and extend the life of installed sensors. ## Features - Thread Conversion Adapter (12mm → 18mm): The Walker Products 90-210SS Oxygen Sensor Bung has 12mm female internal threads and 18mm male external threads to fit a 12mm sensor into an 18mm port - Application-Specific Fitment: Not universal—confirm thread sizes before buying to avoid installation issues - Durable, Corrosion-Resistant Steel: Built from high-quality stainless/high-temp steel alloys to withstand heat and harsh exhaust conditions - OE-Style Fit & Performance: Matches original thread pitch/size for proper alignment, gas exposure, and direct integration with OEM or aftermarket exhaust components - Easy Install + Secure Mounting (Made in USA): Bolt-on installation with standard O2 sensor tools, providing a stable, leak-free sensor mount; made and tested in the USA for reliability ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Walker Products | | Brand | Walker Products | | Model | 90-210SS O2 Sensor Bung Adapter | | Item Weight | 0.634 ounces | | Product Dimensions | 2.13 x 1.5 x 3 inches | | Item model number | 90-210SS | | Exterior | Machined | | Manufacturer Part Number | 90-210SS | ## Images ![Walker Products 90-210SS Oxygen Sensor Adapter Bung – 12mm Female to 18mm Male Threads – Stainless Steel, Made in USA, Vehicle Specific Fitment (Not Universal) - Image 1](https://m.media-amazon.com/images/I/51uSJobXFTL.jpg) ## Frequently Bought Together - Walker Products 90-210SS Oxygen Sensor Adapter Bung – 12mm Female to 18mm Male Threads – Stainless Steel, Made in USA - J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz - O2 Oxygen Sensor Stepped Mounting Boss Bung M18 x 1.5 --- ## 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.gr/products/530613442-walker-products-90-210ss-oxygen-sensor-adapter-bung-12mm-female](https://www.desertcart.gr/products/530613442-walker-products-90-210ss-oxygen-sensor-adapter-bung-12mm-female) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-30*