Description: 8 cylinder. 5.3, 6.0L. Hummer H2. 2003-07. 5.3L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicle

Description: 8 cylinder. 5.3 & 6.0L. 6 cylinder. 8.1l. 2003-07. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Original equipment parts are designed to work with your GM vehicle safety systems - aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type

Description: Genuine GM OEM Ignition Coil Mounting Bracket (MPN: 10457736) engineered for 5.3L and 6.0L engine applications in 2003-2007 GM vehicles. This authentic General Motors part securely positions ignition coils for optimal electrical connection and engine perfo ...

Description: The Genuine GM OEM Ignition Coil Wire (MPN: 12601824) is engineered for 8-cylinder GM vehicles equipped with 5.3L and 6.0L engines from 2003-2007 model years. This critical ignition system component delivers reliable spark plug firing while the insulated w ...

Description: Genuine GM OEM Spark Plug Wire (MPN: 12192133) designed to reliably transfer high-voltage electrical pulses to engine cylinders without degradation or misfires. This 10.5-inch coil-stamped wire is engineered for GM trucks and SUVs including the Hummer H2, ...