Denso is what I run and never a problem.
Pros: never a problem
Reviews of Denso ignition coil
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132 votes
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Truly you can’t get anything but the Denso coils. There’s no money buying and installing twice.
Pros: reliable, worth investment
Cons: cheap coils fail
Vehicle:
Honda Fit
Have to use Denso coil packs. All the cheap ones are crap.
Pros: reliable, good quality
Cons: cheap ones fail
If you go to Autozone and open the box of their 2004-2005 coil pack, IF it has a "Denso" or "Made in Japan" sticker on the bottom, it's 100% OEM.
Pros: 100% OEM if Denso
Vehicle:
Honda S2000
Running much better now. Will eventually replace the other three ignition coils, but those Denzos are $90 a pop.
Pros: running much better
Cons: costly part
Vehicle:
Toyota Yaris
Mileage: 187000 km
I did manage to find the oem plugs (12290-rb1-004) for $32 each from hondapartsnow.com and Denso coils from AutoZone (673-2312) for $65 each shipped.
Pros: saved a boatload of money
DENSO 6731309 Direct Ignition Coil - Coil on Plug. DENSO coil interchanges with OE Diamond coil; OE Quality Replacement Part
Pros: OE quality, direct interchange
Vehicle:
Lexus
Part number: 6731309
i just changed them for the oem Denso and so far car runs good hasent turned off
Pros: car runs good, no turn off
Vehicle:
Toyota Corolla
Don't buy anything other than Denso. Been there, done that.
Pros: reliable performance
Cons: poor performance (other brands)
Vehicle:
Toyota
Yes Denso Oem, good as originals.
Pros: good as originals
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What we know about Denso ignition coil
The brand is registered in Japan.
In March 2026, PartReview users have a positive opinion of Denso ignition coil.
PR Score — 93 out of 100, based on 44 reviews and 132 votes. 41 positive review, 0 neutral reviews, 3 negative reviews. Average rating — 4.5 (out of 5). Vote balance: 123 up, 9 down.
In the ranking of the best ignition coil this part is at position 2, behind Bosch , but ahead of MSD and DELPHI.
Users also evaluated the qualities of Denso ignition coil:
- Starting - hard starting, especially in damp weather - rated positively. 4.3 points out of 5.
- Jerks - engine stumbles and loses power under acceleration - rated ambivalently. 3.3 points out of 5.
- Warning light - check engine light appears due to misfires - rated positively. 4.5 points out of 5.
Ignition coil Denso in car-specific ratings
See which car brands and models owners choose Denso ignition coil for. Below are car-specific ratings where this part is in the Top-3:
- Denso ranked #1 in ignition coil ratings for: Honda Fit, Volkswagen Passat .
Ignition coil Denso in comparisons
There are 12 comparisons of Denso ignition coil with other manufacturers on PartReview.
In particular, see which ignition coil are better: Denso or HUCO, Denso or BERU, Denso or OEM Volkswagen, Denso or OEM Audi, Denso or Bremi .