NGK 24502 Oxygen Sensor, Direct Fit Unheated Narrow Band O2 Sensor

The NGK 24502 oxygen sensor (also called an O2 sensor or air-fuel ratio sensor) is a direct-fit replacement made to OE specifications. It gives the engine computer constant feedback on exhaust oxygen content. That feedback helps control the air-fuel mixture, which supports engine performance, fuel economy and lower emissions.

Key Features:

• Unheated, narrow band oxygen sensor with flange mounting
• M18-1.5 thread size with a 7/8 in. wrench size
• Wire length of about 12.75 in. (325 mm)
• OE-specified water-resistant connector with oval shape, female connector gender and male blade terminals
• Ceramic sensor element with a 3-stage contaminant-resistant plasma jet and deposit trap overcoat to guard against element poisoning
• Dual-coated platinum interface and a thinner ceramic element for fast light-off and response times
• Designed for its OE application, including wire length, protective sleeve material, grommets, clips and protection tube design
• Tested during manufacturing, including vibration and thermal shock testing

Cross-references: Toyota 8946519545, 8946529535, 8946529755, 8946529775, 8946529785, 8946539405, 8946539425, 8946539685; GM 94854939; ACDelco 213-437, 213-1198; Denso 234-1053.

Oxygen sensors are part of the on-board diagnostic system. They help the system detect fuel delivery problems and reduced catalytic converter efficiency. Replacing a worn sensor can restore proper fuel control and help keep emissions in check.