Description: Genuine GM Coil, part number 12739916. This GM OEM coil is a factory engine lubrication component that helps maintain proper oil supply, level or filtration. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 12739916 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: 2003-05, 5.3L. 6.2L without supercharger. 6.0 & 6.2L. 7.0L. 2008-09. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Description: 6.0L. Vendor:acdelco. Vendor #41-985. Iridium.

Description: Genuine GM Crankshaft Position Sensor, part number 12703627. This GM OEM crankshaft position sensor monitors operating conditions and sends signals to the vehicle's control modules. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 12703627 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: Helps keep engine timing and fuel injection running in sync Helps provide proper alignment, positioning, and spacing for easy installation Synchronizes engine valves and pistons for excellent engine performance

Description: Genuine GM Engine Control Module, part number 12612384. This GM OEM engine control module is an electronic control module that operates and monitors its vehicle system using inputs from sensors and switches. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 12612384 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.