NGK Spark Plugs 21002 NTK OE Type Oxygen Sensor - 1-Wire Unheated

The NTK 21002 is manufactured by the world's largest supplier of original equipment oxygen sensors, delivering OE-identical quality and performance for critical engine management functions. This oxygen sensor plays a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions.

Technical Specifications:

• 1-wire unheated design with 18mm thread diameter
• 15-inch (381mm) wire length for flexible installation
• 0-1 volt output range with thread-in mounting style
• OE-type connector included for direct plug-and-play installation
• Narrowband thimble-type sensor design

Premium Construction Features:

• Dual-coated platinum element increases longevity and ensures the quickest response time
• Ceramic element projects into the exhaust system and becomes electrically conductive at high temperature
• Advanced 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
• OE technology upgraded to reduce failures and enhance durability
• Water-resistant connector and OE-specified attaching hardware

Performance Benefits:

• Heats up rapidly to meet vehicle requirements to improve fuel economy and reduce emissions
• Provides constant closed loop feedback to the ECU to control the air-fuel ratio
• Helps lower emissions, improve fuel mileage and engine efficiency, and extend catalyst life
• Individually tested to ensure the highest level of quality and reliability
• Extensive vibration and thermal shock testing during OE development

Constructed from durable material that is corrosion and abrasion resistant, the NTK 21002 oxygen sensor delivers long-lasting performance that meets or exceeds OEM specifications. All NGK/NTK oxygen sensors have OEM specified connectors and attaching hardware for easy installation, ensuring a perfect fit every time.