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K241 spark plug recommendations

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john.knutson

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Joined
Oct 27, 2019
Messages
309
Location
Minneapolis, MN
displayname
John K
Champion recommends an RH10C/854 or H10C/844 spark plug per their cross reference book at the hardware store, but neither my local Menards nor Hardware Hank stock it. The plug that was in the engine when I bought it is a Champion 841/J8C.

My questions is, what do folks here run in their K241s? Probably not a big deal and I can certainly just order the RH10C/854 or H10C/844 online, but I figured I would check here first.
 
Found this floating on the internet. Trust but verify. I would try an auto parts store. That is a fairly common small engine plug, and I'm surprised you can't find one locally.

NGK P/N: B4L
NGK STK: 3112
Accel: 166
AC Delco: 45L
Autolite: 216
Bosch P/N: W7EC
Bosch STK: 7535
Champion STK: 844
Denso P/N: W14L
Denso STK: 6013
GM OEM NR: 1559483
Mopar: 4504290
Motorcraft P/N: AL7C
Motorcraft STK: 73
Napa: X526
Prestolite: 14L7
Splitfire: SM021F
NGK TYPE: MTCYC.
Thread size: 14MM
Hex size: 0,81
Reach: 0,44
Seat type: GASKET
Projected tip: YES
 
Found this floating on the internet. Trust but verify. I would try an auto parts store. That is a fairly common small engine plug, and I'm surprised you can't find one locally.

NGK P/N: B4L
NGK STK: 3112
Accel: 166
AC Delco: 45L
Autolite: 216
Bosch P/N: W7EC
Bosch STK: 7535
Champion STK: 844
Denso P/N: W14L
Denso STK: 6013
GM OEM NR: 1559483
Mopar: 4504290
Motorcraft P/N: AL7C
Motorcraft STK: 73
Napa: X526
Prestolite: 14L7
Splitfire: SM021F
NGK TYPE: MTCYC.
Thread size: 14MM
Hex size: 0,81
Reach: 0,44
Seat type: GASKET
Projected tip: YES
I was surprised as well given the large selection of Champion brand plugs at each store, but an auto parts store might be a good bet.
 
Try the local farm store.
They usually have a small engine/lawn & garden section.
I am building a list for Tractor Supply 🤞

No big deal if I do have to order it, just wanted post in case folks had strong opinions or experience for or against any given plug.
 
That's our, well Charlie's (aka Digger), FAQ.

IH_Thumbs_UP_WHITE.gif
 
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