1998 Chevrolet Express 2500 Before And After Catalytic Converter, Driver And P Oxygen Sensor, Engine VIN: FI, W, Naturally Aspirated, GAS, Under GVW 8,500 Lbs., Set Of 4, 4-Wire, 6 Cyl 4.3L
2003 Chevrolet Express 2500 Base Before And After Catalytic Converter, Driver And Passenger Side Oxygen Sensor, 2nd Design - Right Oem Sensor Length 12.25, Set Of 4, 4-Wire, 6.0L 8Cyl
2014 Chevrolet Express 3500 Before Catalytic Converter Oxygen Sensor, Eng Des: L96, Eng Vin: G, FI, Naturally Aspirated, FLEX, Cutaway Chassis, Set Of 2, 4-Wire, 6.0L 8Cyl