The OEM downstream oxygen O2 sensors for Toyota Tacoma are manufactured by the brand painate. These sensors are designed specifically for the 2.4L L4 and 3.4L V6 engines in the Toyota Tacoma. The OE/OEM part number is PNT-LYOS-181, and the manufacturer part numbers are G5163-W673808 and 3587. Made in China, these oxygen sensors play a crucial role in monitoring the exhaust and emission systems of the vehicle, ensuring optimal performance and efficiency.