vs
Spark plug OEM FORD or Denso
I bought the absolute cheapest plugs available ($1.50/plug), and they are branded "Denso Toyota Iridium" - I assume fakes, but my magnifying glass does seem to show an iridium tip, and they work great.
Pros: work great
I did Denso 3297 from RockAuto. They work great.
Pros: they work great
Part number: 3297
I've always used the Denso SK20R11 plugs in mine and been pleased.
Pros: been pleased
Part number: SK20R11
Denso iridium plugs, no more no less and no exceptions.
Pros: high quality, reliable
denso iridium. do them and they’ll be good for another 200k km or more
Pros: good for 200k km
Mileage: 200000 km
Denso and Bosch have worked well for us on a 1.6.
Pros: worked well
Vehicle:
Ford
I just fixed a shift issue in my 2011 by changing the spark plugs. The plugs were so worn they were draining the electrical system. Lights brighter and Stereo is louder in left channel now too.
Pros: lights brighter, stereo louder
Cons: plugs were worn
Vehicle:
Ford
Mileage: 212435 km
I ran Denso iridiums for 100,000 miles on mine, they looked usable when I pulled them. Replaced them with NGK's, no difference in power generated.
Pros: high mileage, usable condition
Cons: no power difference
Mileage: 160934 km
Im running denso step 2 cold plugs from bms website and tbh i regret not going with the hks plugs
Cons: regret not going hks
I got some phony Denso marked spark plugs
Cons: phony spark plugs
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