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Spark plug number


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#1 Phluphy OFFLINE  

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Posted January 01, 2016 - 02:14 PM

I need to replace the plugs in B&S 18 hp opposed twin.

Ones in it are marked P4M4, not sure if these are OEM or PO 'they'll fit use 'em'.

Anyone know the correct OEM type?

Engine mod # is 422437 in a 917.255919 GTII.



#2 KennyP OFFLINE  

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Posted January 01, 2016 - 02:30 PM

According to B&S these work:

                                       B&S            Champion          LL        gap

422400 Series     802592/492167   RJ19LM/J19LM   5062    .030

 

LL= LongLife


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#3 Bolens 1000 OFFLINE  

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Posted January 01, 2016 - 02:31 PM

Champion RJ19LM


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#4 MNGB ONLINE  

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Posted January 02, 2016 - 01:55 PM

Just out of curiosity who makes this P4M4, spark plug? I googled and search and can not find out the mfg or where its made I've never seen that number before.






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