vs
Spark plug Denso or BERU
DENSO ZXE24HLR7 is also an excellent OE plug.
Pros: excellent OE plug
Part number: ZXE24HLR7
Denso 3289 is what I run.
398k on the clock, like 50k on these plugs, she runs clean and smooth.
Pros: runs clean and smooth
Mileage: 50000 km
Part number: 3289
Denso for my runner
Vehicle:
Toyota 4runner
Denso or NGK. Buy them from a real vendor not eBay or Amazon or anything like that
Replace with OEM - Denso. And yeah, get them from rock auto. Anywhere else is way too expensive and eBay is most likely counterfeit garbage.
Cons: expensive elsewhere
OEM are actually cheaper than a lot of aftermarket plugs. Buy from a place like bell Lexus or just get the denso branded equivalent. They last hundreds of thousands of miles in some cases, so OE has certainly proved its worth
Pros: last hundreds of thousands miles
Cons: cheaper aftermarket plugs
Vehicle:
Lexus
I replaced the plugs with DENSO 5358 roughly 10K miles ago.
Mileage: 16093 km
Part number: 5358
Denso or ngk. Bosch at worst. I would recommend against the off brand in your photo.
Pros: Denso or NGK
Cons: Bosch at worst
The previous owner had installed some Denso IKH24's that looked..... disgusting. In fact, I have NO CLUE how the car ran as well as it did, as the tips from the Denso plugs were gone, and the gap was 0.055. The car still had a slight miss after I did the coils last month which prompted me to replace the plugs.
Cons: disgusting appearance, tips gone, wide gap, slight miss
Vehicle:
Kia
Part number: IKH24
Ive got the densos twin tips in a vxr at present. One thing i can tell you is they dont like heat!!! i recently had a small coolant leak and they would misfire. pretty low heat resitance i think. work fine on cooler engines.
Pros: work fine cooler engines
Cons: dont like heat, misfire
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