1st Design; w/ Square Connector
Engine VIN: M, FI, Naturally Aspirated, GAS, Downstream Square or Trapezoid Connector
Bank 2 Sensor 2
Engine VIN: S, FI, Naturally Aspirated, GAS
Engine VIN: S, FI, Naturally Aspirated, GAS
Engine VIN: S, FI, Naturally Aspirated, GAS
1st Design - Square Connector
Bank 1 Sensor 2
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
1st Design - Square Connector
B1S2 OE MFR: NTK
Oxygen Sensor
2nd Design - Triangular Connector
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor
B1S2 OE MFR: NTK
DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE
O.E. Quality Direct Fit Replacement Sensor OE
O.E. Quality Universal Replacement Sensor
B1S2
B1S2
B1S1 OE MFR: NTK
O.E. Quality Direct Fit Replacement Sensor
O.E. Quality Direct Fit Replacement Sensor
B1S2 OE MFR: NTK
B2S1 OE Equivalent Design
B1S1 OE Equivalent Design
B1S2 OE MFR: NTK
B2S2 OE MFR: NTK
B2S2 1st Design; Square Connector OE Equivalent Design
2nd Design - Triangular Connector
B1S2
2nd Design; Triangular Downstream Connector O.E. Quality Direct Fit Replacement Sensor
B1S1 OE MFR: NTK
B2S2 2nd Design; Triangular Connector OE Equivalent Design
2nd Design
B1S1
B1S1
B1S2 OE Equivalent Design
Second Production
B1S1
B1S1
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Browse our selection of quality oxygen sensor parts designed specifically for your Chevrolet Trailblazer. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit for your vehicle.
A • ACTIV • B • Base • L • LS • LT • LTZ • North Face • Q • R • RS • SS
Sport Utility
L3 1.2L • L3 1.3L • L6 4.2L • V8 5.3L • V8 6.0L
Automatic • Automatic CVT
After Catalytic Converter • After Catalytic Converter, Driver or Passenger Sid • After Catalytic Converter, Driver Side • After Catalytic Converter, Front • After Catalytic Converter, Front or Rear • After Catalytic Converter, Passenger Side • After Catalytic Converter, Rear • Before Catalytic Converter • Before Catalytic Converter, Driver or Passenger Si • Before Catalytic Converter, Driver Side • Before Catalytic Converter, Front or Rear • Before Catalytic Converter, Passenger Side • Before Catalytic Converter, Passenger Side, After • Before or After Catalytic Converter • Before or After Catalytic Converter, Passenger Sid • Downstream • Downstream Front • Downstream Left • Downstream or Upstream • Downstream Rear • Downstream Right • Downstream, Rear • Front • Front Left • Front Right • Left Lower • Passenger Side - Before or After Catalytic Convert • Passenger Side, After Catalytic Converter • Rear • Rear Left • Rear Right • Right Lower • Upstream • Upstream Front • Upstream Left • Upstream Rear • Upstream Right
