Bosch 13581 Oxygen Sensor Heated 4-Wire Universal

The Bosch 13581 Super Class Oxygen Sensor delivers premium performance and extended service life through advanced filtration technology. This heated 4-wire universal oxygen sensor is designed as a direct OE replacement for upstream (pre-catalytic converter) applications, ensuring precise voltage signals to your engine's emission control computer.

Key Features:

• Premium ceramic technology incorporating Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock
• Patented catalytically activated fine particle filter prevents contamination and ensures accurate voltage output
• Dual-layer filtration system doubles protection against exhaust gas contamination for extended sensor life
• 31.6-inch wire length with heated element for fast light-off and accurate readings
• OE-style silicone boots ensure proper fit, function, and appearance
• Direct plug-in installation with no cutting or splicing required
• Helps prevent premature catalytic converter failure by maintaining optimal air-fuel ratio
• Rigorously tested for reliable performance and improved fuel efficiency

Specifications:

• Sensor Type: Heated 4-wire
• Wire Length: 31.6 inches
• Location: Before catalytic converter (upstream)
• Fitment: Universal OE replacement
• Quantity: Sold individually

Bosch oxygen sensors are engineered to deliver precise feedback to your vehicle's ECU, optimizing combustion efficiency and reducing emissions while helping you save on fuel costs.