# NGK Chevrolet Astro 2005-2003 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 2006 Cadillac CTS V 2007 Cadillac Escalade Base 2007 Cadillac Escalade ESV Base 2007 Cadillac Escalade EXT Base 2003-2005 Chevrolet Astro Base 2003-2005 Chevrolet Astro LS 2003-2005 Chevrolet Astro LT 2007 Chevrolet Avalanche LS 2007 Chevrolet Avalanche LT 2007 Chevrolet Avalanche LTZ 2006 Chevrolet Silverado 1500 LS 2006 Chevrolet Silverado 1500 LT 2006-2007 Chevrolet Silverado 1500 WT 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 Chevrolet Silverado 1500 Classic WT 2007 Chevrolet Suburban 1500 LS 2007 Chevrolet Suburban 1500 LT 2007 Chevrolet Suburban 1500 LTZ 2007 Chevrolet Suburban 2500 LS 2007 Chevrolet Suburban 2500 LT 2007 Chevrolet Suburban 2500 LTZ 2006 Chevrolet Tahoe Base 2006-2007 Chevrolet Tahoe LS 2007 Chevrolet Tahoe LT 2007 Chevrolet Tahoe LTZ 2007 Chevrolet Tahoe PPV 2002-2003 Chevrolet Trailblazer LS 2002-2003 Chevrolet Trailblazer LT 2002-2003 Chevrolet Trailblazer LTZ 2002-2003 Chevrolet Trailblazer North Face 2003 Chevrolet Trailblazer EXT LS 2002-2003 Chevrolet Trailblazer EXT LT 2002-2003 Chevrolet Trailblazer EXT North Face 2002-2003 GMC Envoy SLE 2002-2003 GMC Envoy SLT 2002-2003 GMC Envoy XL SLE 2002-2003 GMC Envoy XL SLT 2003-2005 GMC Safari Base 2003-2005 GMC Safari SLE 2003-2005 GMC Safari SLT 2006 GMC Sierra 1500 SL 2006 GMC Sierra 1500 SLE 2006-2007 GMC Sierra 1500 WT 2007 GMC Sierra 1500 Classic SL 2007 GMC Sierra 1500 Classic SLE 2007 GMC Sierra 1500 Classic WT 2007 GMC Yukon Denali 2006 GMC Yukon SL 2006-2007 GMC Yukon SLE 2007 GMC Yukon SLT 2007 GMC Yukon XL 1500 Denali 2007 GMC Yukon XL 1500 SLE 2007 GMC Yukon XL 1500 SLT 2007 GMC Yukon XL 2500 SLE 2007 GMC Yukon XL 2500 SLT 2007 Hummer H2 Base 2003 Isuzu Ascender Base 2003 Isuzu Ascender Limited 2003 Isuzu Ascender LS 2002-2003 Oldsmobile Bravada Base ## Details - **Price:** 112.61 CAD - **Vendor:** NGK - **Type:** Oxygen Sensors ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 112.61 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-chevrolet-astro-2005-2003-direct-fit-oxygen-sensor) > Updated: 2026-06-28