Bosch 1K0-998-262 H Wideband Oxygen Sensor

The Bosch 1K0-998-262 H (Bosch part number 17357) is a premium wideband oxygen sensor designed for select Audi and Volkswagen vehicles. This advanced air/fuel ratio sensor utilizes a sophisticated sensing element that provides precise measurements of oxygen content in the exhaust gases, enabling the engine control unit to optimize fuel mixture for maximum performance, fuel efficiency, and reduced emissions.

Key Features:

• Wideband technology measures air/fuel ratio accurately from rich (9.0:1) to lean (free air) conditions
• 100% factory tested for quality and performance—seared appearance of protection tube confirms full functionality testing
• Exclusive double laser-welded stainless steel body is fully submersible and sealed against exhaust damage
• Fast-acting heater reaches operating temperature within seconds for optimal performance
• True direct-fit OE connectors and harness for simple, plug-and-play installation
• Thread pre-coated with anti-seize compound right out of the box
• 18mm thread size with 22mm (7/8 inch) hex size
• Overall length: 29.5 inches
• Male blade terminal type with heated element
• Output signal range: 2 to 4 volts

Replacing a worn oxygen sensor helps restore fuel economy, reduce harmful emissions, and improve engine performance. Bosch invented the automotive oxygen sensor and remains the leading original equipment manufacturer trusted by carmakers worldwide. This sensor includes integrated wiring harness and is backed by a 1-year limited warranty.