Do you have ngk or motorcraft sparkplugs?
2005 Camry 2.4L just changed original plugs at 130k miles. I go 5k on synthetic oil and don't have to add any between oil changes.
I replaced everything with Motorcraft plugs and wires and it has run great since.
The OEM plugs are iridium and are good for 120k miles, per Toyota. I paid about $16 per from a dealership (which I was happy to do, because its a job I dont want to be doing again in 50k miles).
I also put Motorcraft new plugs back in. Truck is happy. I'm happy.
Use the Toyota OEM iridium tip plugs. They are amazing!
I have about 30k on my plugs (Motorcraft OE). I've no problem buying them again as they've held up great
Customer had misfires, bought oem spark plugs and coil pack. Customer came back couple months later, misfire came back. Found that port injector was bad.
switched to the back to the motorcraft spark plugs $15 a piece fixed it for a while
A regional tire store / repair center "recommend" spark plugs on my Sienna at 92K for $850 (intake manifold has to come off to get at 3 of the plugs). I asked them what benefit would there be in replacing spark plugs at 92K considering Toyota sets the spark plug replacement at 120K.
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If choosing spark plug across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare spark plug across these categories:
In March 2026 on PartReview, spark plug OEM Toyota were overall better than Motorcraft.
In March 2026 on PartReview, spark plug OEM Toyota were overall more popular than Motorcraft.
By vote balance, spark plug OEM Toyota surpassed Motorcraft:
By number of reviews, spark plug OEM Toyota surpassed Motorcraft:
In March 2026, according to PartReview, spark plug OEM Toyota led more car-specific ratings than Motorcraft:
OEM Toyota are chosen by owners of cars such as: Toyota Corolla, Toyota Camry, and others.
Spark plug Motorcraft 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 spark plug OEM Toyota with: NGK, Bosch, Denso, Autolite, Champion, AC DELCO, BRISK, OEM Volkswagen, OEM FORD, OEM BMW.
Also available: comparisons of spark plug Motorcraft with: NGK, Bosch, Denso, Autolite, Champion, AC DELCO, BRISK, OEM Volkswagen, OEM FORD, OEM BMW.
You can also see who is better among other spark plug manufacturers: Bosch or NGK, NGK or Denso, NGK or Autolite, NGK or Champion, NGK or AC DELCO.
