Bosch 13770 Oxygen Sensor 4-Wire Heated After Cat

The Bosch 13770 Oxygen Sensor is a premium 4-wire heated oxygen sensor designed for precise emission control and extended service life. Engineered with Bosch's Super Class technology, this sensor features a patented catalytically activated fine particle filter system that prevents contamination and ensures accurate voltage signals to your vehicle's engine control computer.

Key Features:

• Premium ceramic construction incorporating Zirconium or Titania and Yttrium for superior protection against mechanical and thermal shock
• Dual-filter design with patented catalytically activated fine particle filter that doubles protection against exhaust gas contamination
• 4-wire heated design for faster warm-up and accurate readings in all conditions
• 31.5-inch wire length with OE-style silicone boots for proper fit and appearance
• Direct plug-in installation—no cutting or splicing required
• Helps prevent premature catalytic converter failure by maintaining optimal air-fuel ratios
• Rigorously tested to ensure perfect performance and fuel economy

Specifications:

• Sensor Type: 4-wire heated oxygen sensor
• Wire Length: 31.5 inches
• Mounting Location: After catalytic converter (downstream)
• Product Fit: OE replacement
• Quantity: Sold individually

Bosch oxygen sensors deliver the precision and reliability needed to keep your vehicle running efficiently while meeting emission standards. The advanced filtration system and premium materials ensure long-lasting performance even in harsh exhaust environments.