Correct spark plug for D8 13A pony motor

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Michael Crowe

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I have the parts, service and operators book but it does not give the number for the plug, only a CAT part number. Mine have been all painted over and it is 100 miles from me. Can anyone give me the autolite number for the correct 18 mm non resistor spark plug? Thanks.

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Wed, Jul 6, 2022 9:28 AM

Rome K/G

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These are the numbers for Champion:
2A3643 = D16
9M4141 = UJ-18Y
9M4142 = UJ-12Y
8F5899 = UJ-12

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Wed, Jul 6, 2022 9:11 PM

Michael Crowe

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Reply to Rome K/G:

These are the numbers for Champion:
2A3643 = D16
9M4141 = UJ-18Y
9M4142 = UJ-12Y
8F5899 = UJ-12

Rome, thank you so much. I searched this site quite a long time and never found a brand number.

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Wed, Jul 6, 2022 9:21 PM

Rome K/G

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Reply to Michael Crowe:

Rome, thank you so much. I searched this site quite a long time and never found a brand number.

Your welcome!

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Wed, Jul 6, 2022 9:49 PM

Old Magnet

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Reply to Rome K/G:

Your welcome!

I'd recommend the NGK #A-6 over the Champions (2A3643)

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Wed, Jul 6, 2022 10:23 PM

rax200

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Reply to Old Magnet:

I'd recommend the NGK #A-6 over the Champions (2A3643)

Autolite 3076

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Thu, Jul 7, 2022 5:54 AM

trainzkid88

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Reply to rax200:

Autolite 3076

we use the NGK A6 in most of our old stationary engines. the other was champion d16. personally i prefer NGK over other brands.

"i reject your reality and substitute my own" - adam savage. i suspect my final words maybe "well shit, that didnt work"

instead of perfection some times we just have to accept practicality

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Thu, Jul 7, 2022 8:35 AM

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