Features: Crafted from corrosion resistant alloy, this automotive spacer ensures precise signal transmission through optimized internal channels while maintaining structural integrity in harsh driving conditions. Universal oxygen sensor adapter delivers broad spectrum compatibility with multiple vehicle models, featuring tool less installation and metal construction for seamlessly O2 sensor upgrades. Perfect for roadside repairs, emission testing preparation, or routine maintenance in extreme weather zones where sensor durability directly impacts vehicle efficiency. Engineered to reduce harmful exhaust emissions, this universal O2 sensor spacer helps modern vehicles meet environmental standards while enhancing fuel combustion accuracy. Ideal for DIYer mechanic, fleet managers, and drivers requiring reliable aftermarket solution for emission control system and engine performances optimization. Specifications: Use scenario: Suitable for installation and replacement of oxygen sensors for cars and motorcycles, suitable for professional repair shops and DIY enthusiasts. Component: Metal Size: 46.5x16mm Package Includes: 2pcs Oxygen Sensor Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.