NTK OE Identical Oxygen Sensor 21006 - Acura/GM

Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then sends voltage signals back to the engine management system to regulate the air to fuel ratio, for optimum efficiency. All NGK/NTK oxygen sensors are platinum coated for durability and are individually tested to guarantee quality. Connector Type: Specific Heated: Yes Mounting Type: Threaded Thread Diameter: 18mm # Wires: 4 Wire Length: 343mm/13.5" MPN: 21006 Fitment Automotive  2003  Chevrolet  Isuzu  2002  Chevrolet  Daewoo  GMC  Isuzu  2001  Chevrolet  Daewoo  GMC  Isuzu  Oldsmobile  2000  Cadillac  Chevrolet Daewoo  GMC  Honda  Isuzu Oldsmobile  1999  Acura  Cadillac  Chevrolet  Daewoo  GMC  Honda  Isuzu  Oldsmobile  1998  Acura  Chevrolet  GMC  Honda  Isuzu  Oldsmobile 1997  Acura  Chevrolet  GMC  Honda  Isuzu  Oldsmobile Pontia