note these are stainless steel .high quality The oxygen sensor connector M18 x 1.5 is made of high-quality and durable materials. It has the functions of crack resistance, corrosion resistance and heat resistance. Long service life: It can be used repeatedly, has high rust resistance in extreme environments, and the oxygen sensor will not deform over time. Easy to install: fast and easy to install, the thread made with special tools will fit all M18 x 1.5 sensors, that is, various car models.
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