How to service and repair the Spark Plug Wire on Mercury Cougar?

In order to service the spark plug wire, unfasten throttle and speed control cables then unhook the spark plug wire off the ignition coil. Disconnect the spark plug wires and remove engine cover. To re-install, reverse the process, slick up the connector with an appropriate silicon dielectric compound.

How to service and repair the spark plug wire on Mercury Sable?

To maintain the spark plug wire; make sure it is well connected to the ignition coil. Lift the wire and unscrew it a little, beginning at the spark plug, and then the ignition coil. Separators should be used to remove completely. To install, repeat this process in reverse, apply Silicone Brake Caliper Grease and Dielectric Compound to the boots.

OEM Mercury Spark Plug Wire

Spark Plug Ignition Wires

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36 Spark Plug Wires found

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Mercury Cable Set Part Number: F6RZ-12259-AD
$43.41 MSRP: $70.91
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Product Specifications
- Other Name: Wire Assembly - Ignition; Spark Plug Wire; Plug Wire Set
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base | 4 Cyl 2.0 L GAS
- Mystique | 1995-1999 | Base, GS, GS Spree, LS | 4 Cyl 2.0 L GAS
- Tracer | 1998-1999 | GS, LS, Trio | 4 Cyl 2.0 L GAS
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Mercury Wire Harness Part Number: 4F1Z-12259-AA
$50.27 MSRP: $79.82
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Product Specifications
- Other Name: Kit; Spark Plug Wire; Cable Set
- Replaces: 1U2Z-12259-GA
Fits the following Mercury Models:
- Sable | 2000-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Cable Set Part Number: F5PZ-12259-JA
$79.85 MSRP: $126.80
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Product Specifications
- Other Name: Kit; Spark Plug Wire; Plug Wire Set
- Manufacturer Note: Parts List No. 55
Fits the following Mercury Models:
- Cougar | 1999-2000 | V6 | 6 Cyl 2.5 L GAS
- Mystique | 1995-1999 | Base, GS, GS Spree, LS, LS Young America | 6 Cyl 2.5 L GAS
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Mercury Cable Set Part Number: F8PZ-12259-LA
$75.25 MSRP: $123.82
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Product Specifications
- Other Name: Kit; Spark Plug Wire; Plug Wire Set
- Manufacturer Note: Parts List No. 61
- Replaces: F6PZ-12259-HD, XU2Z-12259-DA
Fits the following Mercury Models:
- Grand Marquis | 1996-1999 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Cable Set Part Number: 5U2Z-12259-C
$46.49 MSRP: $73.82
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Product Specifications
- Other Name: Kit; Spark Plug Wire Set; Spark Plug Wire; Plug Wire Set; Ignition Set
Fits the following Mercury Models:
- Mountaineer | 2001 | Base | 6 Cyl 4.0 L GAS
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Mercury Cable Set Part Number: E9PZ-12259-K
$48.78 MSRP: $77.45
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Product Specifications
- Other Name: Kit; Spark Plug Wire
Fits the following Mercury Models:
- Colony Park | 1987-1988 | GS, LS | 8 Cyl 5.0 L GAS
- Grand Marquis | 1986-1988 | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Mercury Cable Set Part Number: F4PZ-12259-G
$46.73 MSRP: $74.20
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Product Specifications
- Other Name: Wire Assembly - Ignition; Spark Plug Wire
- Replaces: F4PZ-12259-F
Fits the following Mercury Models:
- Cougar | 1994-1997 | XR-7 | 6 Cyl 3.8 L GAS
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Mercury Wire Harness Part Number: F6PZ-12259-A
$41.94 MSRP: $66.60
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Product Specifications
- Other Name: Kit; Spark Plug Wire; Cable Set
- Manufacturer Note: Parts List No. 12, 2V
Fits the following Mercury Models:
- Mountaineer | 1997 | Base | 8 Cyl 5.0 L GAS
- Sable | 1996-1999 | G, GS, LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Cable Set Part Number: 1U2Z-12259-AA
$79.82 MSRP: $134.00
You Save: $54.18 (41%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Kit; Spark Plug Wire; Plug Wire Set
- Manufacturer Note: Parts List No. 72
Fits the following Mercury Models:
- Cougar | 2001-2002 | Base, S, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Cable Set Part Number: F5PZ-12259-G
$69.69 MSRP: $117.00
You Save: $47.31 (41%)
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Product Specifications
- Other Name: Wire Assembly - Ignition; Spark Plug Wire
- Manufacturer Note: Parts List No. 14, 4V
Fits the following Mercury Models:
- Sable | 1996-1999 | G, GS, LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Cable Set Part Number: YU2Z-12259-BA
$80.67 MSRP: $132.73
You Save: $52.06 (40%)
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Product Specifications
- Other Name: Kit; Spark Plug Wire
- Replaces: F8PZ-12259-DA
Fits the following Mercury Models:
- Mountaineer | 1998-2001 | Base | 8 Cyl 5.0 L GAS
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Mercury Cable Set Part Number: E9PZ-12259-G
$47.30 MSRP: $77.27
You Save: $29.97 (39%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Kit; Spark Plug Wire
Fits the following Mercury Models:
- Colony Park | 1989-1991 | GS, LS | 8 Cyl 5.0 L GAS
- Cougar | 1984-1988 | Base, LS, XR-7 | 8 Cyl 5.0 L GAS
- Grand Marquis | 1989-1991, 1984-1985 | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS
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Mercury Cable Set Part Number: F8PZ-12259-JA
$61.03 MSRP: $84.43
You Save: $23.40 (28%)
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Product Specifications
- Other Name: Kit; Spark Plug Wire; Plug Wire Set
- Manufacturer Note: Parts List No. 62
- Replaces: F6PZ-12259-KD
Fits the following Mercury Models:
- Grand Marquis | 1992-1993 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Cable Set Part Number: F8PZ-12259-KA
$59.57 MSRP: $100.00
You Save: $40.43 (41%)
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Product Specifications
- Other Name: Kit; Spark Plug Wire; Plug Wire Set
- Manufacturer Note: Parts List No. 63
- Replaces: F6PZ-12259-JD
Fits the following Mercury Models:
- Grand Marquis | 1994-1995 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Cable Set Part Number: F1PZ-12259-G
$45.67 MSRP: $74.60
You Save: $28.93 (39%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Wire Assembly - Ignition; Spark Plug Wire
- Manufacturer Note: Parts List No. 25
Fits the following Mercury Models:
- Sable | 1991-1995 | GS, LS | 6 Cyl 3.8 L GAS
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Mercury Cable Set Part Number: F7PZ-12259-AA
$32.50 MSRP: $51.60
You Save: $19.10 (38%)
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Product Specifications
- Other Name: Kit; Spark Plug Wire
Fits the following Mercury Models:
- Tracer | 1997-1999 | GS, LS, Trio | 4 Cyl 2.0 L GAS
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Mercury Cable Set Part Number: XS2Z-12259-AA
$27.94 MSRP: $44.36
You Save: $16.42 (38%)
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Product Specifications
- Other Name: Wire Assembly - Ignition; Spark Plug Wire Set; Plug Wire Set; Spark Plug Wire
Fits the following Mercury Models:
- Mystique | 1999-2000 | GS | 4 Cyl 2.0 L GAS
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Mercury Cable Set Part Number: XU2Z-12259-EA
$42.71 MSRP: $67.82
You Save: $25.11 (38%)
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Product Specifications
- Other Name: Kit; Spark Plug Wire Set; Spark Plug Wire
- Replaces: F7PZ-12259-EA
Fits the following Mercury Models:
- Mountaineer | 2001, 1998-1999 | Base | 6 Cyl 4.0 L GAS
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Mercury Cable Set Part Number: F2PZ-12259-C
$32.93 MSRP: $51.40
You Save: $18.47 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Kit; Spark Plug Wire
- Manufacturer Note: Parts List No. 2
Fits the following Mercury Models:
- Tracer | 1991-1996 | Base, Trio | 4 Cyl 1.9 L GAS
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Mercury Cable Set Part Number: F3XY-12259-BA
$58.47 MSRP: $80.88
You Save: $22.41 (28%)
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Product Specifications
- Other Name: Wire Assembly - Ignition; Spark Plug Wire
- Manufacturer Note: Parts List No. 29
- Replaces: F3XY-12286-B, F3XY-12286-C, F3XY-12286-A, F3XY-12286-D, F3XY-12286-E, F3XY-12286-F
Fits the following Mercury Models:
- Villager | 1993-1998 | GS, LS, Nautica | 6 Cyl 3.0 L GAS

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Mercury Spark Plug Wire Parts and Q&A

Cable Set
1U2Z-12259-AA
Q: How to service and repair the Spark Plug Wire on Mercury Cougar?
A: In order to service the spark plug wire, unfasten throttle and speed control cables then unhook the spark plug wire off the ignition coil. Disconnect the spark plug wires and remove engine cover. To re-install, reverse the process, slick up the connector with an appropriate silicon dielectric compound.
Wire Harness
4F1Z-12259-AA
Q: How to service and repair the spark plug wire on Mercury Sable?
A: To maintain the spark plug wire; make sure it is well connected to the ignition coil. Lift the wire and unscrew it a little, beginning at the spark plug, and then the ignition coil. Separators should be used to remove completely. To install, repeat this process in reverse, apply Silicone Brake Caliper Grease and Dielectric Compound to the boots.