Description: Genuine GM Ignition Coil, part number 25202791. This GM OEM ignition coil converts battery voltage into the high voltage needed to fire the spark plug. 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 25202791 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: Genuine GM Iridium Spark Plug, part number 12681659. This GM OEM iridium spark plug ignites the air-fuel mixture in the combustion chamber, and its iridium fine-wire center electrode delivers a strong, consistent spark with long service life. 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 12681659 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: Genuine GM Engine Crankshaft Position Sensor, part number 12674702. This GM OEM engine 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 12674702 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