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post #1 of 25 (permalink) Old 12-19-2007, 05:48 PM Thread Starter
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451 spark plugs

Any one know the part number and manufacturer for the plugs? I'm hoping they can be found in North America because they're $6 - 10 each from Europe.
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post #2 of 25 (permalink) Old 12-19-2007, 05:50 PM
 
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Originally Posted by jwight View Post
Any one know the part number and manufacturer for the plugs? I'm hoping they can be found in North America because they're $6 - 10 each from Europe.
But you only need three!
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post #3 of 25 (permalink) Old 12-19-2007, 05:53 PM Thread Starter
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Correct; $15 OK, $30 no way.
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post #4 of 25 (permalink) Old 12-19-2007, 06:28 PM
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The plugs in the American/Canadian 451's are:

DENSO XU22 HDR9

Don't know how much they cost or what other options work, I'll eventually try and find a higher spark versions, but hoping some other members guide me on that as right now the engine is a big black box to me without the service manual, hope that comes soon...
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post #5 of 25 (permalink) Old 12-19-2007, 07:13 PM Thread Starter
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smartster, thanks for the info. Nothing on Google and of course the smart is not on the Denso site yet. I e-mailed them and we'll see if/when they'll have plugs available.
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post #6 of 25 (permalink) Old 12-19-2007, 07:32 PM
 
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smartster, thanks for the info. Nothing on Google and of course the smart is not on the Denso site yet. I e-mailed them and we'll see if/when they'll have plugs available.
Here's the info I think you were looking for...

http://www.denso-europe.com/uploads/...rch%202007.pdf

or

http://www.globaldenso.com/PLUG/topics/2007/07_2.html


BTW... check out this cool site... http://www.smartclub.hk
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post #7 of 25 (permalink) Old 12-19-2007, 07:36 PM Thread Starter
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Yep, thanks, those are the right plugs. Just trying to see if Denso USA will carry them so we don't have to sell a major body part to pay for imported plugs. Once they answer the mail I'll post it here.

The Hong Kong club site is pretty cool.
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post #8 of 25 (permalink) Old 12-20-2007, 07:22 AM
 
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Spark plugs last so much longer now because of design/materials, engine fuel management and electronic ignition - the need to change spark plugs is so infrequent, you will change, filters, tires and brakes before the plugs need attention.
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post #9 of 25 (permalink) Old 12-20-2007, 07:38 AM Thread Starter
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Quote:
Originally Posted by kmeinhold View Post
Spark plugs last so much longer now because of design/materials, engine fuel management and electronic ignition - the need to change spark plugs is so infrequent, you will change, filters, tires and brakes before the plugs need attention.
Absolutely true; I still don't want to pay twice what they're really worth when the time comes.
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post #10 of 25 (permalink) Old 12-20-2007, 08:00 AM
 
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When your car stops running 'cuz you've got no spark they'll be worth a lot more!

Seriously, I can't remember the last time I needed to put new plugs in any of my late model cars. They often go to 100K miles or more, so I get the best available parts when finally necessary. Hang the cost.
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