O2 Oxygen Sensor Stepped Recessed Nut Bung Fit For M18 X 1.5 Threads-304

Standard M18 X 1.5 thread. 1 Nut Bung. Unique stepped design gives you a better sense of use. Made of high quality material for durability and reliability. Color: Show as Picture. Delicate design, heavier and sturdier than you initially expected.

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