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Compatible for 2003-2005 Chevrolet Tahoe 5.3L, Compatible for 2003-2005 Chevrolet Silverado 1500 5.3L, Compatible for 2003-2005 GMC Yukon 5.3L, Compatible for 2003-2005 GMC Sierra 1500 5.3L

General Description

Oxygen sensor is a sensor that detects the amount of oxygen in the exhaust gas of engine. It feeds back its own voltage signal to the engine electronic control unit (ECU) for air-fuel ratio closed-loop control.

Feature and benefits:
Strong reliability
Short light-off time
Strong anti-poisoning ability
Stable signal
Good sealing performance
Reduce car fuel consumption
Improve the efficiency of the catalytic converter
Participate in closed-loop control
Quick response

• Fitment: Compatible for 2003-2005 Chevrolet Silverado 1500 5.3L,Compatible for 2003-2005 Chevrolet Tahoe 5.3L,Compatible for 2003-2005 GMC Sierra 1500 5.3L,Compatible for 2003-2005 GMC Yukon 5.3L

• Interchange Part Number: 234-4668, 15284, 21546, SG1857 (Pls make sure the part number before purchase!)

• Product Specifications: Package Includes--4 x Oxygen Sensor(Same Model); Terminal Gender--Male; Pin Quantity--4

• Feature: The key parts including chip from top supplier; Quicker response times; 100% test before shipment; Stock parts direct replacement and with pre-coated threads to help installation; reduce harmful emissions, increase fuel economy, improve engine performance and prevent premature failure of the catalytic converter.