Compatible:Fit for GMC Yukon 4.8L 5.3L 2001-2006, 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, 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, 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
OE Part Number:17113553,17113582,17113698,8171136980
Specification: Set of 8 high performance fuel injectors; 2 Injection holes as original part; Every fuel injector is tested before shipment; Direct replacement, easy installation; A long service life & stable working; Gasoline engine only, DOES NOT fit for FLEX fuel vehicle
Characteristic: Upgrade manufacturing, accurate compatible to your V8 pickup trcuk and SUV, help solve the issue at idle and oil leakage, improve fuel economy, and increase your vehicle's power
Service: Each item has been strictly inspected through multiple procedures to ensure working performance and service life. A tight packaging protects the item from dust and water. The tested fuel injector may have some gasoline residue, please feel free to use it. It is recommended to lubricate the outlet O-ring with a small amount of gasoline before installation to avoid damaging the O-ring during installation
Before Installation: Please install a full set of new fuel injectors. Old injectors may still work, but they often have carbon buildup or worn O-rings that affect fuel flow. Mixing old and new fuel injectors can cause problems like incorrect fuel delivery, ECU error codes, and unstable idle. For best performance and to avoid engine issues, always replace all fuel injectors at the same time.