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ACCEL Ignition Coil 2017-2020 Ford EcoBoost 3.5L engines, Black, 6-pack

An economical, direct replacement coil for your EcoBoost from the ignition experts at ACCEL.

Part # 140647K-6
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When it's time to tune-up your EcoBoost powered Raptor, GT or Ford F-150 built with the 3.5L EcoBoost V6. Accel coils are engineered to produce the maximum ignition power possible out of a direct replacement housing that bolts in place of the factory coil. They are also a great addition when adding a tuner, exhaust, or cold air intake.


  • Direct bolt-on replacement
  • Meets or exceeds O.E. (Original Equipment) specifications
  • Original equipment part number: HL3Z-12029-A
  • Engineered to provide maximum power and performance
  • OBD-II compatible - will not set engine code
  • High temperature resistant silicon boot for protection against thermal overload


With an ever-expanding line of SuperCoils and all the spark plug wires, tune-up kits, and fuel injectors hot rodders have trusted and relied on for years, ACCEL is constantly developing innovative new products designed to push power, speed, and performance.

Emission Code2
EngineFord 3.5
Inductance1.7 mH
Maximum Voltage46,000 Volts
Peak Current108mA
Primary Resistance0.5 Ohms
Product TypeIgnition Coil
QuantitySet of 6
Secondary Resistance6.0 K OHMs
Spark duration2,300 uS
Turns Ratio101:1
Warranty90 Day
Part Number140647K-6

This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Also fits some Ford Expedition and Lincoln Navigator models.
90 Day: See Details

*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.