Denso Air/Fuel Ratio Sensor - 234-9003 (Fits Select Years of Toyota: 4Runner/Tacoma/Tundra Vehicles)

Denso part number 234-9003 is a replacement air/fuel ratio sensor for 1999-2000 Toyota 4Runner, 2000-2004 Toyota Tacoma, and 2000-2004 Toyota Tundra vehicles. Denso Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision-built for exact replacement, and a first time fit. The superior design of Denso Air/Fuel Ratio Sensors maximizes engine performance and fuel efficiency while reducing fuel consumption and harmful emissions. Denso Air/Fuel Ratio Sensors increase performance by mapping air/fuel ratios throughout the RPM range. They also reduce emissions by keeping the air-fuel mixture at an optimum ratio. Optimal air/fuel ratios reduce fuel consumption and maximize catalytic converter life. Denso gives you the right part and the right fit, the first time.