Chevrolet Express 1500 Oxygen Sensor Replacement

Located In Exhaust Pipe Y Before Catalytic Converter

w/ California Emissions

2nd Design; w/ 12581346 Marked On Sensor

Bank 2 Sensor 2

Oxygen Sensor; POST CONVERTER; 1st Design; USED ON VEHICLES With RIGHT HAND O2 SENSOR MARKED 25333812) (FOR 2ND DESIGN SEE 19209805; MATES WITH CONNECTOR PT1373

2nd Design - Right OEM Sensor Length 12.25"

Located in RH Manifold B2S1 OE Equivalent Design

O.E. Quality Direct Fit Replacement Sensor

Second Production

1st Design - Right OEM Sensor Length 14.75"

2nd Design - Right OEM Sensor Length 12.25"

First Production

Calif-ESV

1st Design - Right OEM Sensor Length 14.75"

Calif-ESV

with14.8" Right Upstream & Downstream Sensors O.E. Quality Direct Fit Replacement Sensor OE

Located in LH Manifold B1S1 GVW Over 8,500 Lbs OE Equivalent Design

2nd Design

Located in Exhaust Pipe Y Before Catalyst B1S2 OE Equivalent Design

1st Design

B2S2 OE MFR: NTK

B2S2 2nd Design; Sensor Marked 12581346 OE Equivalent Design

B2S2 1st Design; Sensor Marked 25333812 OE Equivalent Design

B2S1 Calif. Emissions OE Equivalent Design

B2S2 OE Equivalent Design

O.E. Quality Direct Fit Replacement Sensor

Upstream Sensor in Y Pipe O.E. Quality Direct Fit Replacement Sensor

GVW Over 8,500 Lbs. O.E. Quality Direct Fit Replacement Sensor

O.E. Quality Universal Replacement Sensor

O.E. Quality Direct Fit Replacement Sensor OE

Grade: Aftermarket Description: 3 Cables / 300 mm For Vehicles With Electric Reactor System Air Injection With OE No. 01997264

Calif. DENSO is the O.E. Manufacturer / Direct Fit Oxygen Sensor OE

Oxygen Sensor; IN EXHAUST MANIFOLD/CROSSOVER

with California Emissions System

Oxygen Sensor; POST CONVERTER; 2nd Design; USED ON VEHICLES With RIGHT HAND O2 SENSOR MARKED 19209805) (FOR 1st DESIGN SEE 19209808

O.E. Quality Direct Fit Replacement Sensor

Oxygen Sensor; POST CONVERTER; MATING CONNECTOR WITH LEADS USE PT2786

Oxygen Sensor; PRE CONVERTER

Oxygen Sensor; CALIFORNIA LEV2 EMISSIONS (NU1); PRE CONVERTER