ACDelco is a good product, one of my go-to's for GM parts. In this case however, the fuel injectors were defective. The installation of the injectors threw two codes and dramatically decreased the fuel mileage. I had to go back the mechanic and he found three of them defective. I will and have purchased ACDelco products since this purchase. This is the first time I have ever had a problem with their products.
Verified purchase: Yes | Condition: New
Work good , improved my gas mileage, and horsepower, highly recommended to all Silverado Truck owners. Improves truck performance greatly.
Verified purchase: Yes | Condition: Pre-owned
No problem as of yet
Verified purchase: Yes | Condition: New
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