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NTK Performance Oxygen Sensor - Front & Rear (03-05 5.3L Silverado 1500)

AmericanTrucks no longer carries the NTK Performance Oxygen Sensor - Front & Rear (03-05 5.3L Silverado 1500). Please check out 1999-2006 Silverado 1500 Oxygen Sensors for an updated selection.

Features & Details

  • Performance Oxygen Sensor
  • Improves Engine Efficiency and Performance
  • Optimizes Emissions And Fuel Economy
  • Features NTK’s Premier Technical Ceramics
  • Direct OEM-Style Replacement
  • For Front (Upstream) and Rear (Downstream) Installation
  • Easy Plug and Play to Factory Harness
  • With Waterproof OE-Fit Connectors
  • Straightforward Installation
  • 1-Year Limited Manufacturer Warranty
  • Fits 2003-2005 Chevrolet Silverado 1500 Models With 5.3L Engines
Great Performance O2 Sensor. Whether you need a replacement for upstream or downstream installation, this NTK Performance Oxygen Sensor is just the perfect unit. This high-quality sensor is designed to work for both front and rear position. It is an OEM-style replacement and designed to provide optimum performance, better fuel mileage, and lower emissions. This precision performance O2 sensor continuously improves air/fuel mixture efficiency.

Unbeatable Quality. With years of combined experience and innovation, NTK has proven that their oxygen sensor is true to its form, fit, function, and with unbeatable quality. This first-class oxygen sensor is made from the finest grade materials and includes sensing element incorporating exclusive NTK's premier technical ceramics. This sensor is extensively tested during the manufacturing process to ensure reliability and long-lasting durability.

Straightforward Installation. Each NTK oxygen sensor has threaded ends for easy mounting. It features an OEM-style fit and can be installed directly to your truck without body modifications. Each sensor also comes with complete wire leads and factory-fitted connectors to ensure perfect fit and make installation hassle-free.

Covered With 1-Year Limited Warranty. This oxygen sensor is guaranteed to be free from defects in materials and workmanship for a period of 1 year from the date of installation. Strictly following manufacturer’s instructions for installation and operation is required for eligibility of coverage.

Application. This NTK Performance Oxygen Sensor is designed for front (upstream) and rear (downstream) installation and fits all 2003-2005 Chevrolet Silverado 1500 models equipped with 5.3L engines.

Fitment: 2003 2004 2005 2007 2008 2009 2010 2011 2012 2013 Details

MPN# 21546

CA Residents: WARNING: Cancer and Reproductive Harm -

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  • (1) Oxygen Sensor
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