NGK Iridion or Denso Platinum?
#1
NGK Iridion or Denso Platinum?
I have a 2003 Honda civic IMA. Imagine my shock when I came to replace my spark plugs. Not only were the NGK ones £18 each but there were 8!!! Honda seems to recomend either NGK iridion or Denso Platinum in the handbook. Is there any difference other than the Denso ones being £6 each instead of £18. Will I notice any difference in FE or performance by getting the cheaper ones?
Any advice would be appreciated.
Any advice would be appreciated.
#4
Re: NGK Iridion or Denso Platinum?
Maybe post your spark plug part numbers, the manufacturers and/or Hondas.
I've just gotten interested in our '06's plugs. We're no where near replacement time, but I want to pull them, have a look, and re-install with a little anti-seize compound. I pulled one so far and it was NGK. Looked ok at 68,000 kilometers: no rounding of the (iridium) electrode.
I checked the plug prices for ours at San Leandro Honda's Web Site, and they are:
ILFR6J11K (NGK) <Honda part no: 12290-RMX-003 <$14.65US
SK20HPR-L11 (DENSO) <Honda part no: 12290-RMX-004 <$16.62US
In this case the Denso is a bit more. I'm not sure if they're both iridium, suspect they are. Denso in particular has next to no info on the web.
http://www.slhondaparts.com/browse.a...OIL-SPARK+PLUG
With 8 plugs that's getting pricey ;O
Not sure, but this might be the San Leandro link for yours:
http://www.slhondaparts.com/browse.a...CIGNITION+COIL
I've just gotten interested in our '06's plugs. We're no where near replacement time, but I want to pull them, have a look, and re-install with a little anti-seize compound. I pulled one so far and it was NGK. Looked ok at 68,000 kilometers: no rounding of the (iridium) electrode.
I checked the plug prices for ours at San Leandro Honda's Web Site, and they are:
ILFR6J11K (NGK) <Honda part no: 12290-RMX-003 <$14.65US
SK20HPR-L11 (DENSO) <Honda part no: 12290-RMX-004 <$16.62US
In this case the Denso is a bit more. I'm not sure if they're both iridium, suspect they are. Denso in particular has next to no info on the web.
http://www.slhondaparts.com/browse.a...OIL-SPARK+PLUG
With 8 plugs that's getting pricey ;O
Not sure, but this might be the San Leandro link for yours:
http://www.slhondaparts.com/browse.a...CIGNITION+COIL
Last edited by Mendel Leisk; 07-09-2009 at 07:32 AM.
#5
Re: NGK Iridion or Denso Platinum?
Just checking my '06 requirements, Amazon has decent prices. For the ILFR6J11K (NGK), it's $13.48US, and it looks like you can get free shipping, once you purchase 8.
http://www.amazon.com/NGK-ILFR6J-11K...7163348&sr=8-1
Dang, just noticed: they only ship to the States.
http://www.amazon.com/NGK-ILFR6J-11K...7163348&sr=8-1
Dang, just noticed: they only ship to the States.
#6
Re: NGK Iridion or Denso Platinum?
I recently changed the spark plugs on my 2005 Civic Hybrid. It has 220,000 miles on the odometer. When I removed the old plugs I found the front plugs were Bosches, while the back ones were AC Delco... In other blogs I have read that the Bosches come pre-gapped. BULLSHIT! The Bosches were really old/corroded, possibly the original plugs, which means that the previous mechanic never changed the front plugs. I checked the gaps of the old Bosches, some were .035", not .044",.. ALWAYS CHECK GAPS! I went with the NGK Iridium from amazon , which were about $25 for all eight. They were half the price of the Bosch iridium plugs and were gapped at around .035". I re-gapped them at .044".
I suspect that the person who previously changed plugs was a "professional" mechanic who wasn't motivated to do a good job, or, maybe, was told to "Do the cheapest job possible.". This is why I do my own work. Always check the gap and don't be lazy.
I suspect that the person who previously changed plugs was a "professional" mechanic who wasn't motivated to do a good job, or, maybe, was told to "Do the cheapest job possible.". This is why I do my own work. Always check the gap and don't be lazy.
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