How to service spark plugs on Mercury Grand Marquis?

Starting spark plug service requires igniting coil removal from its location. Compressed air should be used to remove debris from the spark plug well before performing plug removal. Inspection of spark plugs should be conducted after their removal from the engine. The installation process requires reverting the removal steps and checking the spark plug gap if required.

How to service the spark plugs on Mercury Mariner?

Service procedures start with disconnection of the battery ground cable followed by ignition coil electrical connector removal then bolt removal from the ignition coils. Interior spark plug wells should be cleared from foreign debris before plug removal through compressed air usage. The spark plugs should be checked for damage followed by proper gap adjustment before their reinstallation where torques should reach 12 Nm (9 lb-ft). Mechanic needs to wipe a minimal quantity of dielectric grease onto the interior region of ignition coil boots prior to installing them onto spark plugs. Follow this step by step process to install ignition coils and bolts at 10 Nm (89 lb-in) torque followed by reconnection of ignition coil electrical connectors and conclusion with the battery ground cable.

OEM Mercury Spark Plug

Ignition Spark Plug

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18 Spark Plugs found

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Mercury Spark Plug Part Number: PZK-1F
$10.25 MSRP: $20.73
You Save: $10.48 (51%)
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Product Specifications
- Replaced by: PZK-1F-X
Fits the following Mercury Models:
- Mountaineer | 2006-2007 | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Spark Plug Part Number: AGSF-22F-1MX
$5.10 MSRP: $8.27
You Save: $3.17 (39%)
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Product Specifications
- Replaces: AGSF-22F-CM, AGSF-22F-1M
Fits the following Mercury Models:
- Mariner | 2008 | Base, Premier | 6 Cyl 3.0 L GAS
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Mercury Spark Plug Part Number: HJFS-24FP-X
$9.73 MSRP: $15.05
You Save: $5.32 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: SP-509, HJFS-24FP
Fits the following Mercury Models:
- Mountaineer | 2008-2010 | Premier | 8 Cyl 4.6 L GAS
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Mercury Spark Plug Part Number: CGSF-22N-A1X
$4.95 MSRP: $7.65
You Save: $2.70 (36%)
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Product Specifications
- Replaces: CGSF-22N, SP-518, CGSF-22N-A1, CGSF-22F, SP-511, SP-518-A
Fits the following Mercury Models:
- Mariner | 2009-2011 | Base, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- Milan | 2010-2011 | Premier | 6 Cyl 3.0 L FLEX
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Mercury Spark Plug Part Number: AZFS-32F-EX
$7.67 MSRP: $12.45
You Save: $4.78 (39%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AZFS-32F-EF4, AZFS-32F-E
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base | 4 Cyl 2.0 L GAS
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Mercury Spark Plug Part Number: AYFS-32Y-RX
$11.41 MSRP: $17.65
You Save: $6.24 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AYFS-32Y-R, SP-490, SP-530, AYSF-32Y-PC
Fits the following Mercury Models:
- Mariner | 2009-2011 | Base, Hybrid, Premier | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
- Milan | 2006-2011 | Base, Hybrid, Premier | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
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Mercury Spark Plug Part Number: AYFS-22F-MX
$5.26 MSRP: $8.15
You Save: $2.89 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AYFS-22F-M, SP-411
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Spark Plug Part Number: AGSP-32F-PX
$7.91 MSRP: $12.84
You Save: $4.93 (39%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: High Ignitability Spark Plug
- Replaces: AGSP-32F-P
Fits the following Mercury Models:
- Villager | 1999-2002 | Base, Estate, Sport | 6 Cyl 3.3 L GAS
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Mercury Spark Plug Part Number: AGSF-42F-MX
$5.55 MSRP: $8.58
You Save: $3.03 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-42F-M, SP-486
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury Spark Plug Part Number: AGSF-32Y-RAX
$7.73 MSRP: $12.27
You Save: $4.54 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-32Y-PC, AGSF-32Y-R, AGSF-32Y-RA, SP-541, SP-541-A, SP-448
Fits the following Mercury Models:
- Mariner | 2005-2008 | Base, Convenience, Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS
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Mercury Spark Plug Part Number: AGSF-32W-MX
$5.59 MSRP: $8.87
You Save: $3.28 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AGSF-32W-, AGSF-32W-M, AGSF-32W-MF4, SP-433
Fits the following Mercury Models:
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
- Mariner | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Milan | 2006-2009 | Base, Premier | 6 Cyl 3.0 L GAS
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury 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
Fits the following Mercury Models:
- Grand Marquis | 2003-2011, 1998-2000 | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
- Mountaineer | 2002-2005 | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury 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-
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base, S, V6 | 6 Cyl 2.5 L GAS
- Grand Marquis | 1995-1997 | GS, LS | 8 Cyl 4.6 L GAS
- Mountaineer | 1997-2001 | Base | 8 Cyl 5.0 L GAS
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Mercury Spark Plug Part Number: AGSF-32C-X
$4.53 MSRP: $7.20
You Save: $2.67 (38%)
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
Fits the following Mercury Models:
- Grand Marquis | 1992 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Spark Plug Part Number: AGSF-24N-X
$4.75 MSRP: $7.35
You Save: $2.60 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: SP-412, AGSF-24N
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS
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Mercury Spark Plug Part Number: AGSF-22F-M1X
$5.23 MSRP: $8.09
You Save: $2.86 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: AWSF-22F-M, AWSF-22F-M1, AGSF-22F-M1, SP-405
Fits the following Mercury Models:
- Grand Marquis | 2007-2011 | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Spark Plug Part Number: AGSF-22Y-PCX
$11.55 MSRP: $17.87
You Save: $6.32 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: AGSF-22Y-PC, SP-492
Fits the following Mercury Models:
- Mariner | 2006-2007 | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV)
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Mercury Spark Plug Part Number: AGSF-22F-MX
$5.52 MSRP: $8.76
You Save: $3.24 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: SP-500, AGSF-22F-M
Fits the following Mercury Models:
- Mountaineer | 1998-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS

Mercury Spark Plug

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Mercury Spark Plug Parts and Q&A

Spark Plug
AGSF-32P-MX
Q: How to service spark plugs on Mercury Grand Marquis?
A:
Starting spark plug service requires igniting coil removal from its location. Compressed air should be used to remove debris from the spark plug well before performing plug removal. Inspection of spark plugs should be conducted after their removal from the engine. The installation process requires reverting the removal steps and checking the spark plug gap if required.
Spark Plug
AGSF-32W-MX
Q: How to service the spark plugs on Mercury Mariner?
A:
Service procedures start with disconnection of the battery ground cable followed by ignition coil electrical connector removal then bolt removal from the ignition coils. Interior spark plug wells should be cleared from foreign debris before plug removal through compressed air usage. The spark plugs should be checked for damage followed by proper gap adjustment before their reinstallation where torques should reach 12 Nm (9 lb-ft). Mechanic needs to wipe a minimal quantity of dielectric grease onto the interior region of ignition coil boots prior to installing them onto spark plugs. Follow this step by step process to install ignition coils and bolts at 10 Nm (89 lb-in) torque followed by reconnection of ignition coil electrical connectors and conclusion with the battery ground cable.