O2 Oxygen Sensor For 1999-02 Silverado 1500 Sierra 1500 2000-05 Impala Upstream

Product Features: - High-quality oxygen sensor for accurate air-fuel ratio monitoring - Designed to meet or exceed original equipment specifications - Direct fit replacement for a hassle-free installation - Durable construction for long-lasting performance - O2 sensor replacement can improve fuel efficiency and reduce emissions - Compatible with: - 1999-2002 Chevrolet Silverado 1500 - 1999-2002 GMC Sierra 1500 - 2000-2005 Chevrolet Impala Additional Features: - Oxygen sensors measure the amount of oxygen in the exhaust gases to ensure optimal air-fuel ratio for efficient combustion - Upstream oxygen sensors are located before the catalytic converter and provide feedback to the engine control module (ECM) to adjust the fuel mixture - Replacing a faulty oxygen sensor can address issues such as poor fuel economy, rough idling, and check engine light illumination - Regular oxygen sensor replacement is recommended as part of routine maintenance to maintain proper engine function Benefits: - Enhances engine performance and efficiency - Reduces harmful emissions - Improves fuel economy - Meets or exceeds OEM standards - Direct fit replacement for easy installation Specifications: - Sensor Type: Oxygen Sensor - Position: Upstream - Number of Wires: 4 - Compatible Part Numbers: 25160755, 25160731, 25175339, 25168874, 0258010590, SU5291, 234-4198 Resources:

Oxygen Sensor Replacement Guide

How to Replace an Oxygen Sensor