Bank 1 Sensor 2
1st Design; w/ Square Connector
Bank 2 Sensor 2
B2S1
O.E. Quality Direct Fit Replacement Sensor
1st Design - Square Connector
B1S2 OE MFR: NTK
B2S2
B2S1
1st Design - Square Connector
B2S2
2nd Design - Triangular Connector
B2S2 OE Equivalent Design
O.E. Quality Direct Fit Replacement Sensor OE
B2S1 OE Equivalent Design
B2S1 OE Equivalent Design
B2S2 OE MFR: NTK
B2S2 1st Design; Square Connector OE Equivalent Design
2nd Design - Triangular Connector
B2S2 2nd Design; Triangular Connector OE Equivalent Design
2nd Design
DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
O.E. Quality Universal Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor
DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
O.E. Quality Direct Fit Replacement Sensor
B1S2 OE MFR: NTK
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor
B1S2 OE MFR: NTK
O.E. Quality Universal Replacement Sensor
DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
O.E. Quality Direct Fit Replacement Sensor OE
B1S1 OE MFR: NTK
B1S2 OE MFR: NTK
O.E. Quality Direct Fit Replacement Sensor
B1S1 OE Equivalent Design
Passenger Side Exhaust Pipe
2nd Design; Triangular Downstream Connector O.E. Quality Direct Fit Replacement Sensor
B1S1 OE MFR: NTK
Second Production
w/ 12590750 Stamped on Sensor
(1st Design)
Browse our selection of quality oxygen sensor parts designed specifically for your GMC Envoy. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Denali · SLE · SLT
Sport Utility
L6 4.2L · V8 5.3L
Automatic