【ATTENTION】- Please enter your vehicle model in the "Amazon confirmed fit" plugin before purchasing these fuel injectors. It will guide you to purchase the correct fuel injectors more conveniently. 【Fitments 1】- Compatible With Chevy: SSR 5.3L 2003-2004 , Avalanche 1500 5.3L 2002-2004 , Tahoe 4.8L/5.3L 2000-2006 , Trailblazer EXT 5.3L 2003-2004 , Suburban 1500 5.3L 2000-2005 , Suburban 1500 6.0L 2006 , Suburban 2500 6.0L 2000-2006 , Express 1500 5.3L 2003-2006 , Express 2500 4.8L 2003-2006 , Express 2500 5.3L 2003-2005 , Express 2500 6.0L 2003-2006 , Express 3500 4.8L 2006 , Express 3500 6.0L 2003-2006 , Silverado 1500 4.8L/5.3L 2000-2006 , Silverado 1500 6.0L 2003-2006 , Silverado 1500 HD 6.0L 2001-2006 , Silverado 2500 6.0L 1999-2004 , Silverado 2500 HD 6.0L 2001-2006 , Silverado 3500 6.0L 2001-2006. Fits for Cadillac: Escalade 5.3/6.0L 2002-2006. 【Fitments 2】- Compatible With GMC : Yukon 4.8L 2000-2006 , Yukon 5.3L 2000-2006 , Yukon 6.0L 2001-2006 , Yukon XL 1500 5.3L 2000-2006 , Yukon XL 1500 6.0L 2002-2006 , Yukon XL 2500 6.0L 2000-2006 , Envoy XL 5.3L 2003-2004 , Savana 1500 5.3L 2003-2006 , Savana 2500 4.8L/6.0L 2003-2006 , Savana 2500 5.3L 2003-2005 , Savana 3500 4.8L 2004-2006 , Savana 3500 6.0L 2003-2006 , Sierra 1500 4.8L/5.3L 2000-2006 , Sierra 1500 6.0L 2006 , Sierra 1500 HD 6.0L 2001-2006 , Sierra 2500 6.0L 1999-2004 , Sierra 2500 HD 6.0L 2001-2006 , Sierra 3500 6.0L 2001-2006. Fits for Isuzu: Ascender 5.3L 2003-2004. Fits for Hummer: H2 6.0L 2003-2006. Fits for Buick: Rainier 5.3L 2004. 【OE Numbers】- 17113553, 17113698, 17114502, 25323974, 25320287, 25317628, 8171136980, FJ10062-11B1, 4G1132, 4G1659, FJ315, FJ10062. 【Fuel Economy】- The design of automobile fuel injectors can accurately control the amount of fuel injection, thereby optimizing fuel economy and helping you save fuel costs 【Durability】- Our automotive fuel injectors are precision manufactured and subject to strict quality control, providing excellent durability and ensuring long-term and stable use 【Regular Cleaning Fuel Injectors】- Generally speaking, if the car is in good condition and the fuel quality is good, it can be done every 40,000-60,000 kilometers. Even if the fuel injection nozzle is slightly clogged, you don't need to be too nervous, because the impurities can be sprayed and dissolved when accelerating at a high gear. It is recommended that car owners should often run at high speeds when driving daily to reduce the possibility of carbon deposits 【BUY WITH CONFIDENCE】- SeyPon has a professional after-sales service team, if you have any questions, please feel free to reach out to us, we will reply to you within 8 hours and offer the solve way for you. Compatible With Chevy: SSR 5.3L 2003-2004 , Avalanche 1500 5.3L 2002-2004 , Tahoe 4.8L/5.3L 2000-2006 , Trailblazer EXT 5.3L 2003-2004 , Suburban 1500 5.3L 2000-2005 , Suburban 1500 6.0L 2006 , Suburban 2500 6.0L 2000-2006 , Express 1500 5.3L 2003-2006 , Express 2500 4.8L 2003-2006 , Express 2500 5.3L 2003-2005 , Express 2500 6.0L 2003-2006 , Express 3500 4.8L 2006 , Express 3500 6.0L 2003-2006 , Silverado 1500 4.8L/5.3L 2000-2006 , Silverado 1500 6.0L 2003-2006 , Silverado 1500 HD 6.0L 2001-2006 , Silverado 2500 6.0L 1999-2004 , Silverado 2500 HD 6.0L 2001-2006 , Silverado 3500 6.0L 2001-2006. Compatible With GMC : Yukon 4.8L 2000-2006 , Yukon 5.3L 2000-2006 , Yukon 6.0L 2001-2006 , Yukon XL 1500 5.3L 2000-2006 , Yukon XL 1500 6.0L 2002-2006 , Yukon XL 2500 6.0L 2000-2006 , Envoy XL 5.3L 2003-2004 , Savana 1500 5.3L 2003-2006 , Savana 2500 4.8L/6.0L 2003-2006 , Savana 2500 5.3L 2003-2005 , Savana 3500 4.8L 2004-2006 , Savana 3500 6.0L 2003-2006 , Sierra 1500 4.8L/5.3L 2000-2006 , Sierra 1500 6.0L 2006 , Sierra 1500 HD 6.0L 2001-2006 , Sierra 2500 6.0L 1999-2004 , Sierra 2500 HD 6.0L 2001-2006 , Sierra 3500 6.0L 2001-2006. Fits for Cadillac: Escalade 5.3/6.0L 2002-2006. Fits for Hummer: H2 6.0L 2003-2006. Fits for Isuzu: Ascender 5.3L 2003-2004. Fits for Buick: Rainier 5.3L 2004. OE Numbers : 17113553, 17113698, 17114502, 25323974, 25320287, 25317628, 8171136980, FJ10062-11B1, 4G1132, 4G1659, FJ315, FJ10062.