vs
Spark plug Denso or Motorcraft
Reviews
This is what a 202k mile spark plug looks like on an 2013 Lexus gs350 daily driver. Pretty impressed with it overall. All 6 plugs look exactly like this.
Pros: impressed with it overall
Vehicle:
Lexus
For spark plugs, denso or bust
Pros: reliable spark plugs
Vehicle:
Lexus ES
I've been running Denso (5346) IKH24 Iridium gapped .024 on APR stg1 for 48k miles and most recently on stg 2 with no issues.
Pros: no issues
Mileage: 48000 km
Part number: 5346
I always stick with Motorcraft double platinum, or Autolites if they aren't available. No reason to get fancy with sparkplugs.
Pros: reliable, good quality
Denso TT iridium are so far the best ones I’ve tried in terms of performance
Pros: best in performance
Vehicle:
Ford Mustang
if you want some good plugs, get some denso IKH24, they are 1 step cooler than stock plugs.. I change mine out every 20k miles..
Pros: good plugs
Cons: 1 step cooler
Mileage: 20000 km
Part number: IKH24
IKH 24 plugs with stock coils work just fine. No cutout, rough idle or misfire.
Pros: no cutout, no misfire
Cons: stock coils
Vehicle:
Volkswagen
Replaced stock with denso ihk24.
Part number: IHK24
No discernible difference to me, positive or negative. But since I am running APR stage 1, I followed APR's recommendation.
Vehicle:
Volkswagen
The original dealership where I bought the van installed Denso spark plugs part # SXU22HCR11S which were supposed to have a gap of 0.044 but they all had either 0.039 or 0.040. Apparently no one checked the gap before putting them in.
Cons: incorrect gap, poor quality control
Part number: SXU22HCR11S
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