Bosch 13798 Oxygen Sensor Heated Sensor - 4-Wire O2

The Bosch 13798 oxygen sensor is engineered with premium ceramic technology to deliver precise air-fuel ratio monitoring for optimal engine performance and emissions control. This heated 4-wire sensor features advanced filtration and OE-quality construction designed to meet strict factory specifications.

Key Features:

• Premium ceramic technology with 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 signals to the engine control computer
• Dual-filter design provides enhanced protection against exhaust gas contamination for extended sensor life
• Heated 4-wire design for faster sensor activation and more accurate readings in all operating conditions
• 22.2-inch wire length with OE-style silicone boots for proper fit and appearance
• Direct plug-in installation with no cutting or splicing required
• Helps prevent premature catalytic converter failure by maintaining optimal air-fuel ratios

This sensor is designed for installation on the passenger side before the catalytic converter. Rigorously tested to ensure reliable performance while helping reduce fuel costs through precise engine management. Sold individually as an OE replacement component.