# NGK Cadillac Escalade 2003 Direct Fit Oxygen Sensor NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology. - ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning This Part Fits: Year Make Model Submodel 2003 Cadillac Escalade Base 2003-2006 Cadillac Escalade ESV Base 2005 Chevrolet Silverado 1500 HD Base 2002-2003,2005 Chevrolet Silverado 1500 HD LS 2002-2003,2005-2006 Chevrolet Silverado 1500 HD LT 2007 Chevrolet Silverado 1500 HD Classic LT 2002-2004 Chevrolet Silverado 2500 Base 2002-2004 Chevrolet Silverado 2500 LS 2002-2004 Chevrolet Silverado 2500 LT 2004 Chevrolet Silverado 2500 WT 2002-2005 Chevrolet Silverado 2500 HD Base 2002-2006 Chevrolet Silverado 2500 HD LS 2002-2007 Chevrolet Silverado 2500 HD LT 2007 Chevrolet Silverado 2500 HD LTZ 2003-2007 Chevrolet Silverado 2500 HD WT 2007 Chevrolet Silverado 2500 HD Classic LS 2007 Chevrolet Silverado 2500 HD Classic LT 2007 Chevrolet Silverado 2500 HD Classic WT 2002-2005 Chevrolet Silverado 3500 Base 2002-2006 Chevrolet Silverado 3500 LS 2002-2006 Chevrolet Silverado 3500 LT 2004,2006 Chevrolet Silverado 3500 WT 2007 Chevrolet Silverado 3500 Classic LS 2007 Chevrolet Silverado 3500 Classic LT 2007 Chevrolet Silverado 3500 Classic WT 2007 Chevrolet Silverado 3500 HD LT 2007 Chevrolet Silverado 3500 HD LTZ 2007 Chevrolet Silverado 3500 HD WT 2002-2006 Chevrolet Suburban 2500 LS 2002-2006 Chevrolet Suburban 2500 LT 2002 GMC Sierra 1500 Denali 2002-2003,2005-2006 GMC Sierra 1500 HD SLE 2002-2003,2005-2006 GMC Sierra 1500 HD SLT 2007 GMC Sierra 1500 HD Classic SLE 2007 GMC Sierra 1500 HD Classic SLT 2002-2004 GMC Sierra 2500 Base 2002 GMC Sierra 2500 SL 2002-2004 GMC Sierra 2500 SLE 2002-2004 GMC Sierra 2500 SLT 2003-2004 GMC Sierra 2500 WT 2002-2005 GMC Sierra 2500 HD Base 2002,2006 GMC Sierra 2500 HD SL 2002-2007 GMC Sierra 2500 HD SLE 2002-2007 GMC Sierra 2500 HD SLT 2003-2007 GMC Sierra 2500 HD WT 2007 GMC Sierra 2500 HD Classic SL 2007 GMC Sierra 2500 HD Classic SLE 2007 GMC Sierra 2500 HD Classic SLT 2007 GMC Sierra 2500 HD Classic WT 2002-2005 GMC Sierra 3500 Base 2002,2006 GMC Sierra 3500 SL 2002-2006 GMC Sierra 3500 SLE 2002-2006 GMC Sierra 3500 SLT 2004-2006 GMC Sierra 3500 WT 2007 GMC Sierra 3500 Classic SL 2007 GMC Sierra 3500 Classic SLE 2007 GMC Sierra 3500 Classic SLT 2007 GMC Sierra 3500 Classic WT 2007 GMC Sierra 3500 HD SLE 2007 GMC Sierra 3500 HD SLT 2007 GMC Sierra 3500 HD WT 2002-2006 GMC Yukon XL 1500 Denali 2002-2006 GMC Yukon XL 2500 SLE 2002-2006 GMC Yukon XL 2500 SLT 2007 Pontiac G6 GT 2007 Pontiac G6 GTP 2007 Saturn Aura XR ## Details - **Price:** 150.92 CAD - **Vendor:** NGK - **Type:** Oxygen Sensors ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 150.92 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/ngk-cadillac-escalade-2003-direct-fit-oxygen-sensor) > Updated: 2026-06-27