Combining expertise with innovation, NTK Oxygen Sensors offer superior fit, form and function. Did you know replacing worn or failed oxygen sensors is the best way to protect expensive three-way catalysts or catalytic converters?

Sep 14, 2004 · NTK O2 sensors are designed specifically for OEM applications ; Supplied with a factory-fitted OE connector for easy installation ; Optimizes emissions and fuel economy ; Extensively tested during manufacturing to guarantee quality and reliability

NTK O2 Oxygen Sensor (21553) Oxygen Sensor by NTK®. Position: Upstream. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature.

A new NTK oxygen sensor can help lower emissions, improve fuel mileage and engine efficiency, and extend catalyst life. These components meet or exceed OE specs and are equipped with waterproof, factory-fitted connectors to ensure a perfect fit every time.

Find the right NTK Direct Fit Oxygen Sensor for your vehicle at O'Reilly Auto Parts. Place your order online and pick it up at your local store for free.

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NTK oxygen sensors heat up rapidly to meet requirements of the vehicle to improve fuel economy and reduce emissions. All NGK/NTK oxygen sensors have OEM specified connectors and attaching hardware for easy installation.

Shop for NTK Exact Fit Oxygen Sensor 21553 with confidence at AutoZone.com. Parts are just part of what we do. Get yours online today and pick up in store. 20% off orders over 100* + Free Ground Shipping**

Oxygen Sensor - Part Number 21553 by NTK. Available in Parts Department at www.carid.com

NTK Oxygen (O2) Sensor is an exact OEM fit, design and reliabilitySuperior fuel economy and engine performanceLower harmful exhaust emissionsv198750,v295887,v295888,v379970,v379971,v198751,v295877,v295884,v295885,v295886,v379968,v379969,v19875...