For Chevrolet Silverado Suburban 1500 1999-2002
For GMC Sierra 1500 2001
For GMC C1500 1996 1997 1998
For GMC K1500 1997 1998
For Chevrolet Tahoe 1996-2000
For Chevrolet K1500 1996 1997
Position: Upstream & Downstream
Reference OEM #: 9617178 234-4012 SG454 SG236 13474 234-4018
Package Include: 4pcs Upstream & Downstream Oxygen Sensor O2 ?Front+ Rear?