Description: Genuine GM Ignition Coil, part number 12632479. This GM OEM ignition coil converts low battery voltage into the high voltage needed to fire the spark plug, for strong, reliable ignition and smooth running. 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 12632479 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: Genuine GM Spark Plug (41-109), part number 12681660. This GM OEM spark plug (41-109) 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 12681660 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: Genuine GM Engine Camshaft Position Sensor, part number 12684186. 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 12684186 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: 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 This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors