Bosch 13797 Oxygen Sensor Heated Universal Sensor - 4-Wire O2

The Bosch 13797 Oxygen Sensor delivers premium performance and durability for precise emission control. This universal 4-wire heated oxygen sensor features Bosch's Super Class technology with advanced filtration and premium ceramic construction for extended service life and accurate readings.

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 precise voltage signals to the engine's emission control computer
• Dual-filter design provides double protection against exhaust gas contamination for extended sensor life
• 4-wire heated design with 12.4-inch wire length for faster response and accurate readings in all conditions
• 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 ratios
• Rigorously tested to deliver perfect performance while maximizing fuel efficiency

This oxygen sensor can be installed before or after the catalytic converter depending on your vehicle's requirements. Designed as an OE replacement, it meets or exceeds original equipment specifications for reliable performance and emissions compliance.