Standard Ignition 6938K spark plug wire set for the 2010-2014 Ford F-150 V8 6.2L and other vehicles carries spark voltage from the ignition system to each plug. The set is made for a truck with an eight-cylinder engine.
Misfires, a rough idle or hard starting can mean the wires are worn, though the spark plugs or the coils can be behind the same signs, so find the cause before you replace anything. Cracked or burnt-looking jackets and boots, seen with the engine off and cool, can also point to worn wires.
Vehicles this set fits include the 2010-2014 Ford F-150 V8 6.2L, the 2011-2016 Ford F-250 Super Duty V8 6.2L and the 2011-2016 Ford F-350 Super Duty V8 6.2L. If your truck is not among these, open the "Vehicles it fits" section and look up your exact model and engine.
Fit and size
Build and materials
One spark plug wire set with coil on plug boots, wire separators, a black loom and a Teflon silicone grease pack. This listing holds one set, and each vehicle takes one set.
Interchange: 3369-K3
D801346K
This part cross-references / interchanges with the following part numbers:
Does this Ford F-150 spark plug wire set fit a 2010-2014 F-150 with the V8 6.2L?
Yes, the Standard Ignition 6938K fits the 2010-2014 Ford F-150 V8 6.2L. It is a set of eight leads, and the truck takes one set.
Does the Standard Ignition 6938K come with coil on plug boots?
Yes. The set includes coil on plug boots, wire separators, a black loom and a Teflon silicone grease pack.
What are the Standard Ignition 6938K spark plug wires made of?
The set has a silicone suppression core, silicone insulation and a silicone jacket. Each wire is 7 mm in diameter.
How can I tell if my plug wires are damaged?
With the engine off and cool, look for cracks, cuts or burn marks on the jackets and boots. A shop can test the wires if you notice misfires or rough running.
Does Standard Ignition 6938K replace the 3369-K3 wire set?
Yes. Standard Ignition 6938K replaces the 3369-K3 number, so you can match it against that wire set.
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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.
