The Replacement 1-Wire Oxygen Sensor features stainless steel shell, hex nut, shield, Teflon-coated insulated wires, high-temperature rubber internal and external seals, and threaded-tube covered with anti-seize substance; The OE-comparable item contains simple to follow installation instructions; About Replacement: Replacement brand parts are the most affordable solutions to your entire replacement needs! Replacement focuses primarily on vehicle body parts and lights products;