I've been running the NGK since I'm pretty sure they are the OE manufacturer. Subaru is charging crack prices for those coils.
I would get NGK, Denso or Motorcraft coils though, you don't want to cheap out on critical parts like this.
I have NGK coils and plugs on my B14NEH. No issues at all.
Get a Denso or NGK coil. You can try an auto parts store coil (do NOT get one from Amazon) and if it solves it, order the Denso or NGK.
Not sure if this would matter but I did replace the coils with APR ones, from the stock ones, when I redid the valve cover seal. It has an APR stage 1 tune and and APR air intake. It has had both for the last 165,000 miles (currently has 175,000 miles).
I installed ngk coils originally and they lasted the longest ( around 8k miles before the first one went ).
Aftermarkets (especially APR/MST) are reported to fail often, like *very* often.
NGKs product quality has diminished but a brand new set of 6 in and 2 of the six aren't working after about 2 months
NGK gave me troubles on one of our old LR3s
I just bought my son three coil on plug ignition coils with the NGK box but country of origin, China. I'm not happy with any Chinese crap.
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If choosing ignition coil across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare ignition coil across these categories:
In March 2026 on PartReview, ignition coil NGK were overall better than APR.
In March 2026 on PartReview, ignition coil NGK were overall more popular than APR.
By vote balance, ignition coil NGK surpassed APR:
By number of reviews, ignition coil NGK surpassed APR:
In March 2026, according to PartReview, ignition coil NGK led more car-specific ratings than APR:
NGK are chosen by owners of cars such as: Honda Civic, and others.
Ignition coil APR have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of ignition coil NGK with: Bosch, Denso, DELPHI, MSD, HITACHI, OEM Volkswagen, BERU, Bremi, Duralast, OEM Audi.
Also available: comparisons of ignition coil APR with: Bosch, Denso, DELPHI, MSD, HITACHI, OEM Volkswagen, BERU, Bremi, Duralast, OEM Audi.
You can also see who is better among other ignition coil manufacturers: Bosch or Denso, Bosch or DELPHI, Bosch or MSD, Bosch or NGK, Bosch or APR.
