Standard Ignition 6938 Spark Plug Wire Set

Standard Ignition 6938 Spark Plug Wire Set

Standard Ignition 6938 is a spark plug wire set built for V8 truck applications that need consistent ignition performance and heat-resistant construction. It uses an 8mm silicone jacket with a silicone suppression core to help maintain signal integrity and reduce electrical interference.

Key Features

• 8mm wire diameter for durable ignition routing
• Silicone suppression core for controlled resistance
• Silicone insulation and silicone jacket for heat resistance
• 22-inch spark plug wire leads on the listed leads
• Wire separators included for organized routing
• Domestic wire set construction
• Teflon silicone grease pack included

Detailed Description

Standard Ignition 6938 is a direct-fit style spark plug wire set for select Ford truck applications, including Ford F-150, Ford F-250 Super Duty, and Ford F-350 Super Duty models with V8 engines. The silicone suppression core is paired with silicone insulation and a silicone jacket to support stable ignition transfer while standing up to underhood heat. This part number 6938 also cross-references 4999 for the same application.

For buyers searching for a Ford F-150 spark plug wire set, Ford F-250 Super Duty ignition wire replacement, or Ford F-350 Super Duty 8mm wire set, this Standard Ignition 6938 listing matches the confirmed vehicle coverage shown below.

What It Helps Address

• Misfires caused by worn or heat-damaged plug wires
• Rough idle from deteriorated ignition wire insulation
• Electrical interference affecting ignition signal quality
• Cracked or brittle wires from age and engine heat
• Poor wire routing that can lead to contact or abrasion issues

Installation Notes and Tips

Verify engine application before installation, since fitment is limited to the listed Ford truck models and years. This wire set only and does not contain Direct Ignition Coil boots on the noted applications. Use the included wire separators to keep routing organized and maintain proper spacing away from hot or moving components. Confirm each lead is matched to the correct cylinder before final startup.

• Fits 2021-2022 Ford F-250 Super Duty, N/A; wire set only, does not contain Direct Ignition Coil boots
• Fits 2013-2016 Ford F-250 Super Duty, N/A; wire set only, does not contain Direct Ignition Coil boots
• Fits 2011 Ford F-250 Super Duty, N/A; wire set only, does not contain Direct Ignition Coil boots
• Fits 2021-2022 Ford F-350 Super Duty, N/A; wire set only, does not contain Direct Ignition Coil boots
• Fits 2013-2016 Ford F-350 Super Duty, N/A; wire set only, does not contain Direct Ignition Coil boots
• Fits 2011 Ford F-350 Super Duty, N/A; wire set only, does not contain Direct Ignition Coil boots
• Fits 2013-2014 Ford F-150, N/A; wire set only, does not contain Direct Ignition Coil boots
• Fits 2010-2011 Ford F-150, N/A; wire set only, does not contain Direct Ignition Coil boots
• Fits 2012 Ford F-150, N/A; from 12/5/11
• Fits 2012 Ford F-250 Super Duty, N/A; from 12/5/11
• Fits 2012 Ford F-350 Super Duty, N/A; from 12/5/11

Quality Assurance

Standard Ignition is a recognized ignition parts brand, and this 6938 wire set is built with silicone-based materials and domestic construction for consistent service in the listed Ford truck applications. Confirm part number 6938 and vehicle fitment before ordering.