M18x1.5 O2 Oxygen Sensor Stainless Steel Extension Spacer Adapter Filter Connector for Car Exhaust Features： 1、Made of premium stainless steel, with nice durability, wear-resistant and not easy to rust. 2、Fine workmanship, high-quality, polished surface, flat and smooth. 3、With a filter, it can effectively block debris from entering the engine. 4、Nice replacement for old or broken sensor connectors. Used to check engine light fixes. 5、External thread: M18x1.5, Internal thread: M18x1.5, Length: 46.5mm. Specification： Features: Made of premium stainless steel, with nice durability, wear-resistant and not easy to rust. Fine workmanship, high-quality, polished surface, flat and smooth. With a filter, it can effectively block debris from entering the engine. Nice replacement for old or broken sensor connectors. Used to check engine light fixes. External thread: M18x1.5, Internal thread: M18x1.5, Length: 46.5mm. Specifications: Color: Silver Material: Stainless Steel External Thread: M18 * 1.5 Internal Thread: M18 * 1.5 Length: 46.5mm Item Weight: 40g/ 1.4oz Packing List: 1 * Oxygen Sensor Filter Connector Package List： 1 * Oxygen Sensor Filter Connector