The Spectra Premium C599 Ignition Coil is a high-quality replacement part designed for Chevrolet, GMC, Workhorse, Hummer, and Buick vehicles. This front-mount ignition coil, made by Spectra Premium Industries Inc, is a block ignition coil with a matte finish and a 4-pin connector. It does not require an external resistor and is interchangeable with part numbers CUF414, UF414T, 6737109, D514A, and 5C1555. The coil is manufactured in China and comes with a California Prop 65 Warning for cancer and reproductive harm. Exact item is shown. New open box without original packaging. Has 4 pin connector. Item weight 9 oz. Made in China. No returns if installed. This item is new with opened or damaged packaging. It may or may not be a customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. It may show minor wear from handling. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties. Most items have 30-day returns along with free fast shipping in 1 business day (see details). Message us anytime. Buy from a trusted 16+ year seller!