NGK Toyota Avalon 2004-2000 Direct Fit 4-Wire A/F Sensor

This is an NGK 4-wire Air-Fuel Ratio (A/F) sensor, a direct fit replacement for your 2000-2004 Toyota Avalon, 2000-2001 Lexus ES300, and 2001-2003 Toyota Sienna. This sensor is a crucial part of your vehicle's diagnostic system, working to keep your engine running at its best. It helps maximize fuel efficiency and reduce harmful emissions by precisely measuring the air-fuel mixture. Unlike older switching sensors, this wideband A/F sensor gives your car's computer exact data, allowing for continuous, fine-tuned adjustments to the air-fuel ratio for optimal combustion.

NGK, a major supplier of Original Equipment (OE) sensors, builds these units with advanced ceramic technology. The sensor element features a special three-stage coating designed to resist contaminants and deposits, which helps prevent poisoning and ensures a longer service life. This focus on material control, from raw materials to the finished product, means you're getting a well-built sensor that works as intended right out of the box.