Standard 6943K spark plug wire set for the 2017-2020 Ford F-250 Super Duty V8 6.2L and other vehicles carries ignition voltage to the spark plugs of an 8-cylinder engine. It is listed as a domestic truck wire set.
Misfires, a rough idle or hard starting can come from worn wires, and also from other ignition parts. With the engine off and cool, look over the old wires and boots for cracks, burn marks or chafing before you order; a shop can test the ignition if the wires look fine.
This wire set fits the 2017-2020 Ford F-250 Super Duty V8 6.2L and the 2017-2020 Ford F-350 Super Duty V8 6.2L.
Fit and size
Build and materials
One spark plug wire set with eight leads and coil on plug boots. A coil wire and a distributor cap are not included. This listing is one set, and the engine takes one set.
Interchange: 3373-K3
This part cross-references / interchanges with the following part numbers:
Does the Standard 6943K spark plug wire set fit a 2017-2020 Ford F-250 Super Duty V8 6.2L?
Yes. Standard 6943K fits the 2017-2020 Ford F-250 Super Duty V8 6.2L, and it also fits the 2017-2020 Ford F-350 Super Duty V8 6.2L.
Does this spark plug wire set come with a coil wire or distributor cap?
No. This listing holds only the eight leads with coil on plug boots, so a coil wire and a distributor cap are sold apart from it.
What are the Standard 6943K spark plug wires made of?
Standard 6943K has a silicone suppression core, silicone insulation and a silicone jacket, with silicone boots at both ends of each lead.
Are the boots on this wire set angled or straight?
The spark plug end boots are 180 degree, and the coil end boots are straight. Both are silicone.
How can I tell if these silicone spark plug wires are worn?
With the engine off and cool, look for cracks, burn marks or chafing on the jacket and boots. Misfires or a rough idle can also be signs, and a shop can test the wires.
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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.
