Maxfavor dedicated to provide the good selection, the latest cutting edge technology, and the good overall shopping experience. Maxfavor oxygen sensor is designed to detect the amount of oxygen in the exhaust stream. It is constructed from quality stainless steel, porous polytetrafluoroethylene, fluorine rubber, aluminum oxide, high-grade platinum and ceramics. Maxfavor oxygen sensor features double protection layer, aluminum oxide trap layer, porous PTFE filter and stainless steel housing. It is manufactured with precision to meet OE standards and can be installed easily and ensures longevity.