Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededJEGSPART NUMBER: 555-40139
Coil on Plug Ignition Coil Set for 2008-2014 Ford 3-Valve Modular 4.6L/5.4L V8 & 6.8L V10
$20752
Ships Today
Lowest Price GuaranteeFord
Coil on Plug Ignition Coils2008-2014 Ford 4.6L/5.4L Modular V8 2008-2013 Ford 6.8L Modular V10 3-Valve For Engines with 12 mm Spark Plugs Set of 8
JEGS 40139 Features:
- OE Upgrade for Ford part number 8L3Z 12029-A or Motorcraft part number DG521
- Low .510 ohms primary resistance & 80:01:00 turns ratio vastly increases spark output over stock
- 34,000 Maximum voltage improves torque and horsepower output while also producing a more complete burn per cylinder
- Epoxy filled to increase thermal conductivity further decreasing coil resistance for even better voltage output & longer life
Part TypeIgnition Coil
BrandJEGS
Part CategoryReplacement Parts
Ignition TypeDistributorless
Carb Eo NumberN/A
Primary Resistance0.510 ohms
Coil StyleCoil pack
Connector GenderOE Style
Quantity8
Maximum Voltage34,000 V
Turns Ratio80:01:00
Peak Current100 mA
Coil ShapeCylinder
Mounting Bracket IncludedYes
Inductance1.7 mH
Coil ColorBlack
Coil Wire IncludedNo
Spark Duration750 uS
Mount TypeBolt on
Secondary Resistance5.70K ohms
Part FitmentSemi Universal
Coil Internal ConstructionEpoxy
Oil FilledNo
Meets Or Exceeds Original Equipment ManuYes
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
FORD PERFORMANCE
Modular 3-Valve Spark Plug Fits: 2008.5-10 3V Heads (12mm thread)
Part Number : 397-M124053V12MM
$9719$107.99
You Save$10.80
JEGS
Spark Plug Wire Crimping Tool for 7 mm to 9 mm Wires
Part Number : 555-80570
$3999$43.19
You Save$3.20
![Magnetic Fender Cover [23 in. W x 34 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65012.jpg)
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010
$1499$16.99
You Save$2.00
![Industrial Nitrile Gloves [5.5 mils Thick, Large]](https://www.jegs.com/images/mini_200/500/555/555-1127.jpg)
JEGS
Snap On Spark Plug Wire Markers Fits: (spark plug wires) 8.5mm to 9mm
Part Number : 555-40351
$739$8.09
You Save$0.70
JEGS
Snap On Spark Plug Wire Markers Fits: (spark plug wires) 7mm to 8mm
Part Number : 555-40350
$739$8.09
You Save$0.70
![Spark Plug Socket Set, 3/8 in. Drive [SAE/Metric 5-Piece]](https://www.jegs.com/images/mini_200/500/555/555-80509.jpg)
JEGS
Spark Plug Socket Set, 3/8 in. Drive [SAE/Metric 5-Piece]
Part Number : 555-80509
$1929$20.99
You Save$1.70
![Socket Set, 3/8 in. & 1/4 in. Drive [SAE/Metric 52-Piece]](https://www.jegs.com/images/mini_200/500/555/555-81565.jpg)
JEGS
Socket Set, 3/8 in. & 1/4 in. Drive [SAE/Metric 52-Piece]
Part Number : 555-81565
$2199$33.99
You Save$12.00
FORD PERFORMANCE
Part Number : 397-M124053V12MM
$9719$107.99
You Save$10.80
JEGS
Part Number : 555-80570
$3999$43.19
You Save$3.20
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations
