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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 08-19-2008
KnightTremors's Avatar
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Spark Plug Part Number

Anyone know the Spark plug number for the one step colder Motorcraft Copper Core Plugs?
This is for the 4L SOHC engine.
Thanx in advance,
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Old 08-19-2008
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Ford works hard to get the correct heat range plug, why do you want to use the wrong heat range plug?
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Old 08-20-2008
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5144 is the correct Autolite plug part number for the 4.0L SOHC engine. go from that for correct cross references.
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