Bosch 13864 Oxygen Sensor Heated After Catalytic Converter - 4-Wire

The Bosch 13864 SL320 Oxygen Sensor delivers precision emissions monitoring with advanced filtration technology designed to extend sensor life and maintain optimal engine performance. This heated 4-wire oxygen sensor is engineered for installation after the catalytic converter, providing critical feedback to your vehicle's engine control unit.

Key Features:

• Patented dual-filter system with catalytically activated fine particle filter prevents contamination and ensures precise voltage signals to the emission control computer
• Premium ceramic technology incorporating Zirconium or Titania and Yttrium provides superior protection against mechanical and thermal shock
• Heated 4-wire design with 14.8-inch wire length for reliable operation in all conditions
• OE-style silicone boots ensure proper fit, function, and appearance
• Direct plug-in installation requires no cutting or splicing
• Helps prevent premature catalytic converter failure while optimizing fuel economy

Bosch oxygen sensors are rigorously tested to meet OEM specifications, delivering the accuracy and durability needed for modern emission control systems. The advanced filtration system doubles protection against exhaust gas contamination, significantly extending sensor service life compared to standard oxygen sensors.