I drive a 2008 Avalanche. My gas milage was not what it use to be. Also I had a code for misfire in number 1 cylinder. After trouble shooting the code I discovered that the spark plug was not firing all the time. Time to replace all of them if one is bad. Entered the plug number on the old one on the web and they are no longer available. I was given this number as replacement. Since it was ACDelco same brand as old, must be correct. Replaced old plugs with the new (not an easy task), reset the misfire code and started the engine. Code did not come up. Then took a short road trip to check the mileage. Back to what I was getting when I bought the Avalanche new. I can not ask for anything better.
Verified purchase: Yes | Condition: New
Factory parts at less than aftermarket price
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Plugs where exact fit, price was unbeatable around my location, am glad to have a place to buy, without paying a ridiculous price, would recommend anytime, thank you.
Verified purchase: Yes | Condition: New
They were the exact ones I needed and much cheaper than local auto parts store
Verified purchase: Yes | Condition: New
Saved a lot over same product at local auto parts store.
Verified purchase: Yes | Condition: New
Best price I can find good quality spark plugs I would paid double at my auto parts store
Verified purchase: Yes | Condition: New
A/C Delco has a long reputation for quality and these plugs are one reason why. Good service and mileage.
Verified purchase: Yes | Condition: New
Installed on my dump truck because I was over 100k on the originals. They work well truck feels a bit more responsive. I left them at the factory gap as well.
Verified purchase: Yes | Condition: New
AC Delco Plugs at reasonable price. As described, delivered on time. Installed easily back to adding miles.
Verified purchase: Yes | Condition: New
Put these on a 2001 Tahoe and the solved the engine shakes and loss of power.
Verified purchase: Yes | Condition: New
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