MSD Direct Ignition Coil P/N:8248
The MSD 8243 direct ignition coil for the 2004-2007 Ford F-150 5.4L and other vehicles is a coil-on-plug unit that sends high voltage to one spark plug. It's made for Ford 4.6L and 5.4L 3-valve Modular V8 engines.
A failing direct ignition coil can show up as a misfire, a rough idle or a flashing check engine light. Those signs alone don't prove the coil is bad, because a worn spark plug can be behind them too.
The 2004-2007 Ford F-150 5.4L, the 2006-2007 Ford Explorer 4.6L and the 2007 Ford Explorer Sport Trac 4.6L are among the vehicles it fits as a direct-fit replacement.
Fit and size
Build and materials
One direct ignition coil; these engines take eight, one per cylinder. Mounting hardware is not included.
Does the MSD 8243 coil fit a 2004-2007 Ford F-150 5.4L?
Yes. The MSD 8243 direct ignition coil fits the 2004-2007 Ford F-150 5.4L and the 2006-2007 Ford Explorer 4.6L, and the "Vehicles it fits" section lets you look up your own vehicle.
Will this 3-valve MSD coil work on a 2-valve 4.6L or 5.4L?
No. The MSD 8243 is made for Ford 4.6L and 5.4L 3-valve Modular V8 engines; the 2-valve versions of those engines take MSD 8242.
Is mounting hardware included with this Blaster-2 coil?
No. This listing is one Blaster-2 direct ignition coil, and mounting hardware is not included.
How does a failing coil-on-plug coil show up on a 3-valve V8?
A misfire, a rough idle or a flashing check engine light can mean this direct ignition coil is failing.
What's special about the windings in this Blaster-2 coil?
This direct ignition coil has a patented winding design and materials, and it delivers improved spark energy and voltage output.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.