Bosch 16449 Premium Oxygen Sensor 4-Wire Heated Narrow-Band O2 Sensor

The Bosch 16449 Premium Oxygen Sensor is an original equipment quality O2 sensor designed to optimize fuel economy while reducing harmful emissions. This heated 4-wire narrow-band oxygen sensor monitors exhaust oxygen content to help the engine control unit maintain the ideal 14.7:1 air-fuel ratio for maximum efficiency and performance.

Key Features:

• 4-wire heated design for fast activation and optimal performance
• Double laser-welded stainless steel body for durability and protection against exhaust damage
• Fast-acting internal heater reaches operating temperature within seconds
• True direct-fit OE connector and harness for simple, plug-and-play installation
• Threads pre-coated with anti-seize compound right out of the box
• 100% factory tested for full functionality before shipment
• Female OE-type connector with metal housing

Bosch Quality and Heritage:

Bosch invented the oxygen sensor and began series production in 1976, making them the worldwide leader in O2 sensor technology. Every Bosch sensor benefits from over 40 years of engineering expertise and has produced over 1 billion oxygen sensors globally. The characteristic seared appearance of the protection tube is the result of rigorous 100% functional testing to ensure each sensor meets Bosch's exacting quality standards.

This narrow-band oxygen sensor helps prevent premature catalytic converter failure by maintaining proper combustion, potentially saving thousands of dollars in future repairs. The submersible, sealed design ensures reliable, long-lasting service life even in harsh exhaust conditions.