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.

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.

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
$10.23 MSRP: $20.73
You Save: $10.50 (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
$5.79 MSRP: $9.40
You Save: $3.61 (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
$9.48 MSRP: $15.05
You Save: $5.57 (38%)
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
$4.44 MSRP: $7.05
You Save: $2.61 (38%)
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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
$12.82 MSRP: $20.36
You Save: $7.54 (38%)
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
$5.20 MSRP: $8.25
You Save: $3.05 (37%)
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
$8.68 MSRP: $14.09
You Save: $5.41 (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
$5.99 MSRP: $9.51
You Save: $3.52 (38%)
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
$7.85 MSRP: $12.47
You Save: $4.62 (38%)
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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
$5.35 MSRP: $8.49
You Save: $3.14 (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
$6.18 MSRP: $9.81
You Save: $3.63 (37%)
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
$5.35 MSRP: $8.49
You Save: $3.14 (37%)
Ships in 1-3 Business Days
ADD TO CART
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
$5.92 MSRP: $9.40
You Save: $3.48 (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
$4.08 MSRP: $6.46
You Save: $2.38 (37%)
Ships in 1-3 Business Days
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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
$5.15 MSRP: $8.31
You Save: $3.16 (39%)
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
$11.45 MSRP: $18.18
You Save: $6.73 (38%)
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
$5.83 MSRP: $9.25
You Save: $3.42 (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

If you own Mercury and want to keep it in top shape, choosing OEM Spark Plug is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Mercury Spark Plug at some of the affordable online prices without cutting quality. Every OEM Mercury part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

Mercury Spark Plug is a clean and steady spark that ensures engines are aggressive and engines burn at the right time. Mercury cut its niche by mixing smooth suspensions with hard sheet metal, providing ordinary drivers with a ride that was posh, silent, and stable without emptying their pockets. Over decades, Mercury had launched Cougars, Grand Marquises, and other spacious sedans that cushioned the road noise, bumped over potholes, and drove in a relaxed manner, and had established a reputation of soothing confidence. In spite of the fact that in 2011 the assembly lines went dead, Mercury is still a shorthand to balance value and comfort, which allows a long haul on the freeway to pass near unnoticed as the cabin is subdued. That permanent goodwill allows the Mercury parts to remain relevant to anybody seeking plush cruising in a reputable name based on true road feel and not billboard boast. A typical, contemporary Spark Plug has a steel shell, a ceramic insulator, and a copper or precious metal core to conduct as much as 40,000 volts, spike the electrode gap, and ignite the compressed air-fuel mixture within a millisecond. Select a Spark Plug that has the correct heat range and thread reach, and misfires will not occur, idle will not be uneven, and throttle will not hesitate picking up. Iridium or platinum Spark Plug options shake off erosion and thus service intervals are extended, and drivers do not spend much time under the hood. Change a thatched Spark Plug at the right time and you avoid hard idling, slow acceleration, and fuel wastage.

Mercury Spark Plug Parts and Q&A

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.
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.