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Your cart is empty.Arguably one of the smartest systems in any modern vehicle, the engine management system is responsible for the entire combustion process – mixing the right amount of fuel to the air entering the engine and igniting the compressed air/fuel mixture in the cylinder. Operating 30 plus components and approximately 50 computer modules to deliver the millions of lines of code that keeps the vehicle running efficiently … more than earning its reputation as the brains of the car.
David Jenkins
Reviewed in the United States on April 10, 2025
Work fine in my 2005 Trailblazer. I recommend this item.
Phillip
Reviewed in the United States on September 16, 2024
thanks
Customer
Reviewed in the United States on July 26, 2024
Replace bad coil ,works fine.
cartergray
Reviewed in the United States on December 1, 2024
Arrived on time & was exactly as ordered
Poolguy888
Reviewed in the United States on March 10, 2023
Great buy for a factory grade part
Gilberto p.
Reviewed in Mexico on September 4, 2022
No es exactamente como las originales que trae la camioneta, pero si se borro el código y corrigió la falla en el motor.
Pat M
Reviewed in the United States on April 3, 2022
Checked at our local parts chain store and the only replacement they had was an aftermarket coil pack forover twice the price. I was skeptical but very happy to get the authentic GM Delphi unit as I like to replace items like this with originals if at all possible. Unit fit and functioned perfectly as expected.
Gary P
Reviewed in the United States on June 26, 2021
I highly recommend these so far -1 month and working great. They are a moderate price, workmanship is twice as good as the cheap ones.. 2 years ago I replaced the coils with a cheap Chinese version. 2 years and 2 months later I had 3 fail. I had to pay for a computer diagnosis, because I thought it was something else. I replaced all of them along with the spark plugs (should be mandatory). The coils are easy to replace, but the spark plugs on number 1 and 2 cylinders are tough without a swiveling, thin walled 6"magnetic spark plug wrench. If you are going to change the plugs just buy the wrench, don't start he project without one. The first time I changed the coils and plugs without the proper tool I regretted it. Make sure you put anti-seize grease on the spark plug threads or you may never get them out again
Jacob Richardson
Reviewed in Canada on December 21, 2021
Works great
Lord Uther
Reviewed in Canada on January 12, 2021
Perfect fit and perfect performance.
john DeFrancesco's
Reviewed in Canada on July 25, 2020
Good price good deal,fast shipping
College Dad
Reviewed in the United States on June 27, 2020
I have an old GMC Envoy SLT with the I-6 (4200 Vortec) that just won't die. This thing is as rock solid of a motor as they come. Unfortunately the coil packs occasionally go bad. These are excellent quality replacements. Started vehicle up, cleared the codes I was getting and she's purring like a kitten again. 150,000+ miles and she's still going strong.These match the OEM Coil Packs exactly. Don't buy anything else -- you really do get what you pay for. These are good quality. I wouldn't trust the reliability of my vehicle to cheap Chinese parts and neither should you.
Jimmy
Reviewed in Canada on January 1, 2020
a falu que je redresse les pin du connecteur mais fonctionne tres bien
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