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⚡ Ignite your ride with Delphi’s precision power!
The Delphi GN10114 Ignition Coil is a vehicle-specific, OEM-grade ignition coil engineered with advanced epoxy vacuum techniques and optimized wire winding to ensure superior insulation and durability. Designed for a perfect bolt-on fit, it delivers reliable ignition performance for 4.2L LS Vortec engines, making it the trusted choice for professionals and discerning drivers seeking long-lasting, hassle-free engine management.












| ASIN | B000CGM5T6 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #117,437 in Automotive ( See Top 100 in Automotive ) #372 in Automotive Replacement Ignition Coils |
| Brand | Delphi |
| Brand Name | Delphi |
| Compatible with Vehicle Type | Car |
| Connector Gender | Male |
| Customer Reviews | 4.6 out of 5 stars 602 Reviews |
| Global Trade Identification Number | 00689604125717 |
| Included Components | COIL |
| Installation Type | Bolt-On |
| Item Dimensions | 4.5 x 3.5 x 6.25 inches |
| Item Type Name | Delphi GN10114 Ignition Coil |
| Item Weight | 0.01 Ounces |
| Item dimensions L x W x H | 4.5 x 3.5 x 6.25 inches |
| Manufacturer | Delphi |
| Manufacturer Part Number | GN10114 |
| Manufacturer Warranty Description | <p>Delphi warrants the products will be free of defects in materials and workmanship. Delphi will, as its sole obligation under this limited warranty, replace any non-conforming product. Delphi is not responsible for any incidental or consequential costs (including labor) to remove and install a product or to restore the vehicle to its proper operating condition. In addition, under no circumstance… |
| Model Number | GN10114 |
| OEM Equivalent Part Number | C1395, 5C1392, 26342, 12 56 8062, 921-2003, 8Q5, 12 56 8062, 19300921, 673-7200, IC414SB, IC414, UF-303, UF303T, C-642, 52-1743, 19300921, C-642, E255, E255P, 702423, 36-8128, 178-8390, 178-8391 |
| Part Interchange Info | GN10114 |
| UPC | 689604125717 |
| Vehicle Service Type | Car |
D**G
Good OEM solution for 4.2l LS (Edit- Actually, the best coil for 4.2 atlas/vortec)
This is for the 4.2L LS "Vortec" inline 6 motor, which comes in several different vehicles; buick rainier, chevy trailblazer, gm envoy, some others. This is the coil pack you want to go with. The OEM ones are Delphi, and Delphi has made electronics for Chevy for quite some time, just like AC Delco. You can also opt for AC Delco coils, but they're a bit more expensive. Good option Edit-- This is the one. I've tried several other brands and they all are crap except for AC Delco, Delphi, and NGK. Do not use the cheap-o coils. They simply do not last. I had a situation where I replaced one coil with a cheapo coil, and I thought my motor was knocking. Turns out, it was the coil arcing through the low-quality rubber boot. I wasted a lot of time trying to diagnose this, only to find out it was the cheap coil. So in short, save yourself some time, money and headache by paying the extra for this OEM option.
M**R
These fit a 2003 Trailblazer
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
A**R
Delphi
Uff totally worth it , I tried other brand ,and I can says it's a big difference, definitely gonna buy a few more Delphi OEM part
F**.
It worked
Worked as it should. Though come to find out, it was a cracked spark plug and not a faulty coil. DIAGNOIS BEFORE YOU BUY PARTS PEOPLE! My bad on this one.
E**R
Carro
Producto de muy buena calidad y rendimiento confiable. Funciona perfectamente y ayuda a mejorar el desempeño del vehículo. La instalación es sencilla y se nota la diferencia en el encendido del motor. Marca reconocida y recomendable para reemplazo.
P**M
Item exactly as claimed
Checked at our local parts chain store and the only replacement they had was an aftermarket coil pack for over 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.
C**D
Works on my 2003 GMC Envoy SLT
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.
Y**N
Perfect
Can’t go wrong with OEM
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