Bosch 13577 Oxygen Sensor Heated Universal - 4-Wire

The Bosch 13577 Oxygen Sensor delivers precision emissions monitoring with advanced protection against contamination. This heated 4-wire oxygen sensor is designed for post-catalytic converter installation, providing accurate voltage readings to your engine's emission control computer for optimal fuel efficiency and emissions performance.

Key Features:

• Premium ceramic construction with Zirconium or Titania and Yttrium elements for superior protection against mechanical and thermal shock
• Patented catalytically activated fine particle filter prevents contamination and extends sensor life
• Dual-layer filtration system doubles protection against exhaust gas contamination
• Heated 4-wire design ensures fast response time and accurate readings in all operating conditions
• 33.2-inch wire length provides flexible installation options
• OE-style silicone boots ensure proper fit, function, and appearance
• Direct plug-in connection with no cutting or splicing required

This oxygen sensor helps prevent premature catalytic converter failure while optimizing fuel economy. Rigorously tested to meet or exceed OE specifications, the Bosch 13577 provides reliable performance and long service life. Sold individually as an OE replacement for post-catalytic converter applications.