Details

• Brand:

  

  

• SKU:

  8C3Z-12A342-A

• Other Names:

  Spark Plug, zd15

• Description:

  This is the genuine Ford glow plug for the 2008 through 2010 Ford F-250, F-350, F-450, and F-550 Super Duty with the 6.4L Power Stroke diesel twin-turbo V8, the heating element that threads into the cylinder head and warms the combustion chamber so the diesel fuel ignites reliably during cold starts and cold running. One glow plug serves each cylinder, and the engine control module energizes them before and briefly after startup to reduce hard starting, white smoke, and rough idle when the engine is cold. As glow plugs age they draw uneven current, crack, or fail open, which shows up as extended cranking on cold mornings, a wait-to-start lamp that lingers, misfire or stumble until the engine warms, and puffs of unburned white smoke at idle. Buyers chasing cold-start problems on the 6.4L Power Stroke commonly replace the full complement so every cylinder lights evenly. As the correct Ford part it matches the factory reach, thread, and heat range for the 6.4L head and installs without modification. The Ford catalog names this piece the Glow Plug, equivalent to the Motorcraft ZD-15 designation, for the 8 cylinder 6.4L diesel twin-turbo application. Note the source listing carried a stray suffix; the genuine Ford number for this glow plug is 8C3Z-12A342-A.

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