I replaced the spark plugs over the weekend, and I’m doing the ignition coils tomorrow replacing them with brand new Delphi’s.
Pros: brand new
Vehicle:
BMW
Reviews of DELPHI ignition coil
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117 votes
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I changed my ignition coils to delphi aftermarket ones and the idle is nice and smooth now. But the old ones had like 200k km on them.
Pros: idle is nice and smooth
Mileage: 200000 km
That's the Delphi coil. It's the updated part from the original all black Bosch. It's the only one I put in my customer's cars.
Pros: updated part
Delphi is considered the go-to for N52 coils.
Pros: go-to for N52
My delphi has been running good for about 20k miles with ngk wires and plugs.
Pros: running good, 20k miles
Vehicle:
Ford Ranger
Mileage: 32186 km
I don’t like the Delphi ones cause they come apart, if you do spark plugs again say 20k miles passes you could deal with the silicone tube on the end getting stuck down when pulling them, then you gotta be careful and get the spring and that out without the spring flying off somewhere.
Cons: come apart, silicone tube stuck
Mileage: 20000 km
The auto shop found out what the problem was as they had replaced two of the ignition coils with OEM and two from a company that produced the ignition coils for Mazda. The two from the company (Delphi) went bad. I have to use only parts from Mazda.
Cons: went bad
Vehicle:
Mazda
Just did my 2016 Passat SE with Delphi coils in June. Running smooth.
Pros: running smooth
Vehicle:
Volkswagen Passat
the Delphi coils are what I've installed most recently, and I have the most confidence in them being reliable.
Pros: reliable
Vehicle:
BMW
AC Delco is an OEM GM parts and any coil will do pretty much personally I use Delphi ones they seem to last pretty long
Pros: last pretty long
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What we know about DELPHI ignition coil
The brand is registered in USA. Official website: https://www.delphi.com/.
In March 2026, PartReview users have a mixed opinion of DELPHI ignition coil.
PR Score — 76 out of 100, based on 38 reviews and 117 votes. 28 positive reviews, 3 neutral reviews, 7 negative reviews. Average rating — 3.8 (out of 5). Vote balance: 90 up, 27 down.
In the ranking of the best ignition coil this part is at position 4, behind MSD and Denso , but ahead of HITACHI and NGK.
Users also evaluated the qualities of DELPHI ignition coil:
- Starting - hard starting, especially in damp weather - rated positively. 3.7 points out of 5.
- Jerks - engine stumbles and loses power under acceleration - rated positively. 3.6 points out of 5.
- Warning light - check engine light appears due to misfires - rated ambivalently. 3.2 points out of 5.
Ignition coil DELPHI in car-specific ratings
See which car brands and models owners choose DELPHI ignition coil for. Below are car-specific ratings where this part is in the Top-3:
- DELPHI ranked #2 for: Hyundai Elantra, Volkswagen Passat .
Ignition coil DELPHI in comparisons
There are 12 comparisons of DELPHI ignition coil with other manufacturers on PartReview.
In particular, see which ignition coil are better: DELPHI or HUCO, DELPHI or BERU, DELPHI or OEM Volkswagen, DELPHI or OEM Audi, DELPHI or Bremi .