Spark Plug Part Number

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Aug 19, 2008

KnightTremors

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Joined: May 2007

Posts: 299

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From: Cumming, Ga

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,

Aug 19, 2008

Takeda

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Joined: Aug 2006

Posts: 3,657

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From: Durham, NC

Ford works hard to get the correct heat range plug, why do you want to use the wrong heat range plug?

Aug 20, 2008

Fx4wannabe01

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Joined: May 2005

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From: Boring, Oregon

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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