How to service and repair the ignition coil on 2005 Ford Explorer?

A proper service or repair of an ignition coil requires disconnecting the ground battery cable followed by separating the ignition coil electrical connector and the radio noise suppressor electrical connector. A proper installation of spark plug wires requires both twisting and upward pulling the wire boots because this technique safeguards the wires from potential damage and ensures correct terminal connection. Wires should be marked for easier installation. You should pull upward by twisting the tabs after they have been squeezed to remove the six spark plug wires. The next step involves unfastening the four bolts which secure the ignition coil. Before reinstallation users should apply silicone dielectric compound to the ignition coil boots while tightening all bolts to 6 Nm (53 lb-in).

OEM 2005 Ford Explorer Ignition Coil

Ignition Coil Resistor

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2 Ignition Coils found

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2005 Ford Explorer Ignition Coil Part Number: FOTZ-12029-A
$83.87 MSRP: $138.00
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Product Specifications
- Other Name: Coil Assembly - Ignition; Distributor Less Coil; Coil
- Manufacturer Note: OHV, SOHC
- Base No.: 12029
- Item Weight: 4.40 Pounds
- Item Dimensions: 8.2 x 4.5 x 4.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: FOTZ-12029-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2005 Ford Explorer Submodels:
- Eddie Bauer, Expedition, Limited, NBX, Postal, Sport, XL, XL Fleet, XLS, XLS Sport, XLT, XLT Sport | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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2005 Ford Explorer Ignition Coil Part Number: 3W7Z-12029-AA
$55.58 MSRP: $91.45
You Save: $35.87 (40%)
Ships in 1-2 Business Days
ADD TO CART
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
- Base No.: 12029
- Item Weight: 0.70 Pounds
- Item Dimensions: 8.7 x 8.0 x 7.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3W7Z-12029-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2005 Ford Explorer Submodels:
- Eddie Bauer, Limited, NBX, XLT, XLT Sport | 8 Cyl 4.6 L GAS

2005 Ford Explorer Ignition Coil

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2005 Ford Explorer Ignition Coil Parts Q&A

Q: How to service and repair the ignition coil on 2005 Ford Explorer?
A: A proper service or repair of an ignition coil requires disconnecting the ground battery cable followed by separating the ignition coil electrical connector and the radio noise suppressor electrical connector. A proper installation of spark plug wires requires both twisting and upward pulling the wire boots because this technique safeguards the wires from potential damage and ensures correct terminal connection. Wires should be marked for easier installation. You should pull upward by twisting the tabs after they have been squeezed to remove the six spark plug wires. The next step involves unfastening the four bolts which secure the ignition coil. Before reinstallation users should apply silicone dielectric compound to the ignition coil boots while tightening all bolts to 6 Nm (53 lb-in).