Description: Genuine GM Iridium Spark Plug, part number 12681658. This GM OEM iridium spark plug ignites the air-fuel mixture in the combustion chamber, delivering a strong, consistent spark. 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 12681658 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: Genuine GM Engine Camshaft Position Sensor, part number 12674704. This GM OEM engine camshaft 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 12674704 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: 2.5L. Without twin turbo. 2.4L. 3.0L & 3.6L, 3.6L. All. 2.0L turbo. 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