BDFHYK Oxygen Sensor Upstream Downstream O2, Compatible with Chevrolet Camaro Avalanche 2500 Caprice Corvette, Compatible with GMC Sierra 1500 Sierra 2500, 234-4669, 12572705, Replacement 1PCS

$19.99
Product Detail
  • Type Oxygen Sensors
  • SKU BDDLZ-AGV0006010
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Description Specifications FAQs Return & Support

This BDFHYK O2 sensor is an OE-style aftermarket replacement for listed Chevrolet, GMC, Cadillac, Hummer applications matching 234-4669 and the listed cross-reference numbers. It is intended for the listed application-specific upstream or downstream position. Before ordering, verify the year when listed, make, model, engine when listed, exact sensor position, original part number, connector, wiring layout, lead length, and emissions configuration. A Check Engine Light or stored OBD-II code does not by itself confirm that the oxygen sensor has failed.

Quick Fitment Summary

Make Model
Chevrolet Camaro
Chevrolet Avalanche 2500
Chevrolet Caprice
Chevrolet Corvette
GMC Sierra 1500
GMC Sierra 2500
Cadillac Listed applications
Hummer Listed applications

Fitment Checks Before Ordering

  • Match the listed vehicle application and engine where an engine is provided.
  • Compare the original sensor reference with 234-4669 and the listed cross-reference numbers.
  • Confirm the exact exhaust position, connector, terminal layout, wire arrangement, lead length, and emissions configuration before ordering.
  • Do not assign a Bank/Sensor label unless vehicle-specific service information confirms it.

Product Specifications

Brand BDFHYK
Product Type Oxygen Sensor / O2 Sensor
Sensor Position Application-dependent upstream/downstream
Replacement References 234-4669; 12572705; 12617332
Package Quantity 1 sensor
Replacement Type OE-style aftermarket replacement

Confirm the Correct O2 Sensor Position

The current product record lists this O2 sensor for upstream and downstream use depending on the application, but it does not establish one universal installation position. Confirm the original part number, exhaust location, connector, wiring layout, lead length, and vehicle-specific service information before installation.

Diagnosis Before Replacement

A stored OBD-II code or Check Engine Light does not prove the sensor itself has failed. Inspect the connector, wiring, heater circuit, related fuse, power and ground, exhaust leaks, intake or vacuum leaks, fuel-pressure or injector faults, misfires, and catalyst operation as applicable. P0171, P0174, P0420, or P0430 should be diagnosed before parts are replaced.

Installation Notes

  • Allow the exhaust to cool completely before removal.
  • Use an O2 sensor socket or suitable wrench and disconnect the connector without pulling on the wires.
  • Compare the replacement with the removed sensor, inspect the bung threads, and start the sensor by hand.
  • Use anti-seize only when permitted by the sensor instructions and keep compounds away from the sensing element.
  • Tighten to the applicable vehicle service specification and route the lead away from heat, sharp edges, and moving parts.
  • After repair, clear codes as appropriate and complete the applicable readiness drive cycle before an emissions inspection.

Package Contents

  • 1 × O2 sensor

Important: This is an OE-style aftermarket replacement, not a factory-branded part.