This Delphi ignition coil, part number GN10638, is a high-quality replacement for your vehicle's ignition system. It is designed for use on the front placement of your car or truck and is compatible with various models and part numbers, including DG549, BL3Z12029B, and BL3Z12029C. The coil is made in China and features a coil on plug (COP) design. It does not require an external resistor and is not a universal fitment. The finish is unfinished, and it is not a vintage or performance part. This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or reproductive harm. Purchase with confidence and get your vehicle back on the road with this reliable ignition coil. Representative item is shown. This is new without the original packaging. Does not include boot. No returns if installed. Made in China. Please review our business policies in our store for information regarding returns, shipping and warranties.