How to service and repair the ignition coil on Mercury Mountaineer?

To service the ignition coil, disconnect the electric connectors and then twist the spark plug wire boot pulling it upwards to avoid damaging. Take off the 6 spark plug wires and 4 bolts holding on the coil. To install, use a tightening of 6 Nm of bolts and add silicone dielectric compound and then reverse the process.

OEM Mercury Mountaineer Ignition Coil

Ignition Coil Resistor

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5 Ignition Coils found

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Mercury Mountaineer Ignition Coil Part Number: 7U2Z-12029-B
$68.99 MSRP: $115.82
You Save: $46.83 (41%)
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil Oe Quality; Distributor Less Coil; Direct Ignition Coil; Coil Assembly; Coil
- Replaces: 7U2Z-12029-A, DG-484, F1VY-12029-A, F37Z-12029-A, F5LY-12029-A, F5OY-12029-A, F5OY-12029-B, E8TZ-12029-A, YS4Z-12029-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2001 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Ignition Coil Part Number: FOTZ-12029-A
$83.87 MSRP: $138.00
You Save: $54.13 (40%)
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Product Specifications
- Other Name: Coil Assembly - Ignition; Distributor Less Coil; Coil
- Manufacturer Note: OHV, SOHC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer 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 Mercury Mountaineer | Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Ignition Coil Part Number: 3W7Z-12029-AA
$55.58 MSRP: $91.45
You Save: $35.87 (40%)
Ships in 1-2 Business Days
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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:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Ignition Coil, Black Part Number: 3L3Z-12029-BA
$49.28 MSRP: $81.09
You Save: $31.81 (40%)
Ships in 1 Business Day
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
- Manufacturer Note: With Black Coil Boots
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2008 Mercury Mountaineer | Luxury, Premier | 8 Cyl 4.6 L GAS

Mercury Mountaineer Ignition Coil

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Mercury Mountaineer Ignition Coil Parts and Q&A

Ignition Coil, Brown
8L3Z-12029-A
Q: How to service and repair the ignition coil on Mercury Mountaineer?
A: To service the ignition coil, disconnect the electric connectors and then twist the spark plug wire boot pulling it upwards to avoid damaging. Take off the 6 spark plug wires and 4 bolts holding on the coil. To install, use a tightening of 6 Nm of bolts and add silicone dielectric compound and then reverse the process.