Feature: 1. OE Number: The emission vapor canister purge valve replacement part number is 1997279 for reference, please double check the part number of your item before purchasing. 2. High Compatibility: Replacement for Avalanche 2500 2002‑2003, replacement for Silverado 1500 1999‑2004, replacement for Envoy XUV 2004‑2004, replacement for Savana 1500 2003‑2003, etc. 3. Wide Application: Replacement for DeVille 2000‑2003, replacement for Eldorado 2000‑2002, replacement for Escalade ESV 2002‑2003 and much more models. 4. Durable Materials: Emission system vapor canister purge solenoid valve is made of high quality ABS for excellent durability, highly resistant to impact, scratch and moisture. 5. High Accuracy Production: Canister purge valve solenoid is precisely produced according to the standards, ensuring exact fitness, you can directly install to replace original. Specification: Item Type: Vapor Canister Purge Valve Material: ABS OE: 1997279 Fitment: Replacement for Avalanche 2500 2002-2003. Replacement for Silverado 1500 1999-2004. Replacement for Silverado 1500 HD 2001-2003. Replacement for Silverado 2500 1999-2003. Replacement for Silverado 2500 HD 2001-2003. Replacement for Silverado 3500 2001-2003. Replacement for Express 1500 2003-2003. Replacement for Express 2500 2003-2003. Replacement for Express 3500 2001-2003. Replacement for SSR 2003-2004. Replacement for Camaro 1999-2002. Replacement for Suburban 1500 - 2004. Replacement for Suburban 2500 - 2003. Replacement for Tahoe 2000-2004. Replacement for Trailblazer EXT 2003-2004. Replacement for Envoy XL 2003-2004. Replacement for Envoy XUV 2004-2004. Package List: 1 x Vapor Canister Purge Valve