Ignition coils for 1999 GMC Sierra

 

If your 1999 GMC Sierra has been misfiring, there is a chance that replacing the ignition coils can solve this problem. The 1999 GMC Sierra uses both the Square Melco and round Delphi type ignition coils. We can help you identify which coils your Sierra uses. Select the engine size of your GMC Sierra to see our incredibly low prices on quality ignition coils. We have the full set of 8 as well.