Ignition Coil Pack Set of 8 - Replaces 12570616, D510C - Compatible with Chevy, GMC, Pontiac, Cadillac 5.3L, 6.0L V8 - G8, Grand Prix, Tahoe, Yukon, Silverado, Impala, Trailblazer, Avalanche
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This is not the coils you're looking for.
I believe the coils came with warranty paperwork to fill out, which had to be registered when purchased, but I'm not sure.
Selected User Reviews For Ignition Coil Pack Set of 8 - Replaces 12570616, D510C - Compatible with Chevy, GMC, Pontiac, Cadillac 5.3L, 6.0L V8 - G8, Grand Prix, Tahoe, Yukon, Silverado, Impala, Trailblazer, Avalanche
DO NOT BUY A SILVERADO. Finally, I found a nice day to install these, only to discover that they don't fit. They have the same appearance as the originals. The issue is that they are difficult to plug in and do not secure themselves. The grey insert inside the coil came off as soon as I plugged the connector into it. I had to force the connector inside, and because it's such a tight fit, I'm hoping they don't come out; however, I waited too long to install them, so I can't return them for a refund. I really wish I had spent the extra cash on the AC Delcos.
The installation of these coil packs, as well as the replacement of the spark plugs, has resulted in a significant improvement in the engine's performance.
The price is incredible, and the quality is quite good. Make sure your harness isn't in the wrong place. To everyone who says it "doesn't fit," I say this: People should eat their spinach and connect the dots like it's the end of the world. Running strong on my supercharged LS3 with some very cold NGK TR6s, solid tight fit is secure and perfect.
2 Yukon Denali, not to mention the fact that Autozone told me one pack would cost $100, but I got all 8 for under $150!.
On my 2008 Silverado 5, I installed these coils. There are three of them, and they're all excellent. Once you got past the a/c compressor and heater hoses, they were simple to put together. These are something I would strongly suggest.
Within six months, one of them failed; I didn't notice or understand the problem, so I took it to a mechanic, who, unfortunately, fixed it and charged me $224 to replace one coil pack. Other ones are now causing problems.
It was easy to install and had all of the necessary connectors. Because of how they were packaged (loose, not boxed, with very little bubble wrap), I was a little concerned. So far, everything appears to be in order.
It took me about an hour to replace the coils on my 2013 Tahoe with 130k miles. My Tahoe runs much better than before I would say 20% better acceleration and overall performance than before I would say 20 better acceleration and overall performance than before I would say 20 bett So far, everything appears to be going well, but only time will tell.
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