How to service and repair a spark plug on Mercury Grand Marquis?

In order to service spark plugs, unscrew and pull off ignition coil and plugs with debris cleared with compressed air. Check bridged gap, oil or carbon fouling and clean where necessary. Essess normal burning and overheating. Make the gap and remount using the same reverse procedure that was used to take it out. Return to any underlying problems.

OEM Mercury Grand Marquis Spark Plug

Ignition Spark Plug

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4 Spark Plugs found

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Mercury Grand Marquis Spark Plug Part Number: AGSF-32P-MX
$6.04 MSRP: $9.35
You Save: $3.31 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-32P-M, AGSF-32P-MF4, SP-493
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2011, 1998-2000 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Spark Plug Part Number: AGSF-32F-MX
$5.41 MSRP: $8.36
You Save: $2.95 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-32F-SM, AGSF-32F-M, SP-470-X, SP-470, SP-432, AGSF-32F-SMX, AWSF-32F-
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1995-1997 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Spark Plug Part Number: AGSF-32C-X
$3.80 MSRP: $5.87
You Save: $2.07 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AWSFA-32C, AGSF-32C, SP-447-A, SP-447, AGSF-32C-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Spark Plug Part Number: AGSF-22F-M1X
$4.98 MSRP: $8.09
You Save: $3.11 (39%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: AWSF-22F-M, AWSF-22F-M1, AGSF-22F-M1, SP-405
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2011 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS

Mercury Grand Marquis Spark Plug

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Mercury Grand Marquis Spark Plug Parts and Q&A

Spark Plug
AGSF-32P-MX
Q: How to service and repair a spark plug on Mercury Grand Marquis?
A: In order to service spark plugs, unscrew and pull off Ignition Coil and plugs with debris cleared with compressed air. Check bridged gap, oil or carbon fouling and clean where necessary. Essess normal burning and overheating. Make the gap and remount using the same reverse procedure that was used to take it out. Return to any underlying problems.