Fit Vehicles: 1996 Ford Ranger 4.0L 2001-2003 Ford Ranger 4.0L w/ 22" 1996-2006 Ford Ranger 4.0L w/ 24" 2001-2006 Mazda B4000 4.0L Features: Extensively Tested During Manufacture to Guarantee Quality and Reliability Supplied With a Factory-Fitted Connector for Easy Installation Precision manufactured with a sensing element incorporating premier technical ceramics Where are my oxygen sensors located? Diagnostic Trouble Codes (DTC) .