How to service the ignition coil-on-plug on Ford F-350 Super Duty?

Removal of ignition coil-on-plug To remove ignition coil-on-plug, disconnect electrical connector, loosen securing bolt and twist as you lift the coil-on-plug. Adjust the new coil to 6 Nm (53 lb-in), the spring should be correctly placed, and look at the boot and see whether it is damaged. Installation By undoing the procedure and placing dielectric compound.

How to service the ignition coil-on-plug for the 5.4L (3V) and 6.8L (3V) engines on Ford F-350 Super Duty?

To service ignition coil-on-plug on 5.4L and 6.8L engines, unconnect the electrical connector, loosen the securing bolt, and twist and pull off. Install new coil, tighten to 6 Nm, being sure that spring is in the correct position and the tip of the boot has not been damaged. Rub dielectric compound over the inside of the boots.

OEM Ford F-350 Super Duty Ignition Coil

Ignition Coil Resistor

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Ford F-350 Super Duty Ignition Coil Part Number: 3W7Z-12029-AA
$55.58 MSRP: $91.45
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil; Direct Ignition Coil Oe Quality; Coil On Plug Coil; Ignition Coil Set; Coil
- Replaces: 1L2Z-12029-AA, 8W7Z-12029-A, DG-540
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2006 Ford F-350 Super Duty | Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.0 L DIESEL
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Ford F-350 Super Duty Ignition Coil, Driver Side Part Number: HL3Z-12029-C
$99.12 MSRP: $163.09
You Save: $63.97 (40%)
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil, Left
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2022 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX
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Ford F-350 Super Duty Ignition Coil, Passenger Side Part Number: HL3Z-12029-B
$111.61 MSRP: $183.64
You Save: $72.03 (40%)
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil, Right
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2022 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX
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Ford F-350 Super Duty Ignition Coil, Driver Side Part Number: AL3Z-12029-B
$104.98 MSRP: $172.73
You Save: $67.75 (40%)
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil, Left; Direct Ignition Coil Oe Quality; Direct Ignition Coil
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX, 8 Cyl 6.7 L DIESEL
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Ford F-350 Super Duty Ignition Coil, Passenger Side Part Number: AL3Z-12029-A
$104.98 MSRP: $172.73
You Save: $67.75 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil, Right; Direct Ignition Coil Oe Quality; Direct Ignition Coil
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX, 8 Cyl 6.7 L DIESEL
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Ford F-350 Super Duty Ignition Coil, Brown Part Number: 8L3Z-12029-A
$46.03 MSRP: $73.09
You Save: $27.06 (38%)
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil; Direct Ignition Coil Oe Quality; Coil On Plug Coil; Ignition Coil Set; Coil
- Manufacturer Note: With Brown Coil Boots
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2010 Ford F-350 Super Duty | Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.4 L DIESEL
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Ford F-350 Super Duty Ignition Coil, Black Part Number: 3L3Z-12029-BA
$49.28 MSRP: $81.09
You Save: $31.81 (40%)
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil; Direct Ignition Coil Oe Quality; Coil On Plug Coil; Ignition Coil Set; Coil
- Manufacturer Note: With Black Coil Boots
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008 Ford F-350 Super Duty | FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.4 L DIESEL
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Ford F-350 Super Duty Ignition Coil Part Number: PC3Z-12029-AA
$89.17 MSRP: $141.60
You Save: $52.43 (38%)
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Product Specifications
- Other Name: Coil Assembly - Ignition
- Replaces: PC3Z-12029-A, DG-589
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2023-2024 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.8 L GAS, 8 Cyl 7.3 L GAS
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Ford F-350 Super Duty Ignition Coil Part Number: LC3Z-12029-B
$209.72 MSRP: $356.36
You Save: $146.64 (42%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil
- Replaces: DG-581, LC3Z-12029-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2022 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 7.3 L GAS

Ford F-350 Super Duty Ignition Coil

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Ford F-350 Super Duty Ignition Coil Parts and Q&A

Ignition Coil, Brown
8L3Z-12029-A
Q: How to service the ignition coil-on-plug on Ford F-350 Super Duty?
A: Removal of ignition coil-on-plug To remove ignition coil-on-plug, disconnect electrical connector, loosen securing bolt and twist as you lift the coil-on-plug. Adjust the new coil to 6 Nm (53 lb-in), the spring should be correctly placed, and look at the boot and see whether it is damaged. Installation By undoing the procedure and placing dielectric compound.
Ignition Coil, Black
3L3Z-12029-BA
Q: How to service the ignition coil-on-plug for the 5.4L (3V) and 6.8L (3V) engines on Ford F-350 Super Duty?
A: To service ignition coil-on-plug on 5.4L and 6.8L engines, unconnect the electrical connector, loosen the securing bolt, and twist and pull off. Install new coil, tighten to 6 Nm, being sure that spring is in the correct position and the tip of the boot has not been damaged. Rub dielectric compound over the inside of the boots.