NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play 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. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

This Part Fits:

Year	Make	Model	Submodel
2001	Chevrolet	Silverado 1500 HD	LS
2001	Chevrolet	Silverado 1500 HD	LT
1999-2001	Chevrolet	Silverado 2500	Base
1999-2001	Chevrolet	Silverado 2500	LS
1999-2001	Chevrolet	Silverado 2500	LT
2001	Chevrolet	Silverado 2500 HD	Base
2001	Chevrolet	Silverado 2500 HD	LS
2001	Chevrolet	Silverado 2500 HD	LT
2001	Chevrolet	Silverado 3500	Base
2001	Chevrolet	Silverado 3500	LS
2001	Chevrolet	Silverado 3500	LT
2000-2001	Chevrolet	Suburban 2500	Base
2000-2001	Chevrolet	Suburban 2500	LS
2000-2001	Chevrolet	Suburban 2500	LT
2001	GMC	Sierra 1500	C3
2001	GMC	Sierra 1500 HD	SLE
2001	GMC	Sierra 1500 HD	SLT
1999-2001	GMC	Sierra 2500	SL
1999-2001	GMC	Sierra 2500	SLE
1999-2001	GMC	Sierra 2500	SLT
2001	GMC	Sierra 2500 HD	SL
2001	GMC	Sierra 2500 HD	SLE
2001	GMC	Sierra 2500 HD	SLT
2001	GMC	Sierra 3500	SL
2001	GMC	Sierra 3500	SLE
2001	GMC	Sierra 3500	SLT
2001	GMC	Yukon XL 1500	Denali
2000-2001	GMC	Yukon XL 2500	SLE
2000-2001	GMC	Yukon XL 2500	SLT