Question regarding new spark plug

darwin

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Learned sumtin today. If you buy Motorcraft plugs and the Motorcraft logo on the plug is written in black ink they're counterfeit, ink should be grey.
 

DAMIEN1307

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Learned sumtin today. If you buy Motorcraft plugs and the Motorcraft logo on the plug is written in black ink they're counterfeit, ink should be grey.
This link below expands on this even further...It's not just their spark plugs being counterfeited.

 

Wrench

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Is your NGK spark plug real or fake

 

Nickt919

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My local auto parts stores do no not reference NGK plugs on their computers by the size/heat range... If I ask for NGK B6HS or NGK BR6HS they tell me they don't have it. If I ask for NGK 7534 or NGK 3922 they ask, "how many do you want?"
NGK 7534 = B6HS and NGK 3922 = NGK BR6HS
 

Wrinkley

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Wow, thank you for all the responses. I hope I didn't damage the piston by having it hit. I'll just trash this and try to find a BR6HS.
 

ImpulseRocket

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Wow, thank you for all the responses. I hope I didn't damage the piston by having it hit. I'll just trash this and try to find a BR6HS.
It might have a tiny mark in it, but I wouldn't sweat it. If it turned over by hand without any obvious binding, then the contact it made while running would have been relatively light.
 

Wrench

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My local auto parts stores do no not reference NGK plugs on their computers by the size/heat range... If I ask for NGK B6HS or NGK BR6HS they tell me they don't have it. If I ask for NGK 7534 or NGK 3922 they ask, "how many do you want?"
NGK 7534 = B6HS and NGK 3922 = NGK BR6HS

They sell by stock # because some plugs can have the same plug# but be a different length
To tell the diff the stock # is different

Thanks for posting the stock #
I suggest to people to save the box and take that to the auto parts store as the box has the Stock# and the Plug# on it
 
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