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Factory Ford Spark Plugs

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You aren't able to start your Ford without ignition. That only comes about thanks to the original spark plugs installed at the factory. Those generate that initial flash that ignites the air/fuel mix in your engine's combustion chamber.

How Do Spark Plugs Work?

The spark plugs have a precisely calibrated gap between their two leads. They fire an arc of electricity across that gap, which fuels the flash that initiates ignition. If your Ford has a diesel engine, it doesn't have spark plugs. Instead, it's equipped with glowplugs. They have a heating element in their tip that lights the fuel mist that's sprayed into the engine cylinder. Whether your vehicle is equipped with spark plugs or glowplugs, your Ford came with the right type for your engine. Eventually even these high-quality plugs can go bad, though. Maybe they've become corroded, or the gap has widened too far to produce an effective spark. Before you blame your alternator for starting troubles, check your plugs.

Signs of Failing Spark Plugs

Here are some common indications that your plugs are going bad:

  • Engine misfires
  • Uneven idling
  • Problems starting the vehicle
  • Your "Check Engine" dash light comes on

Your owner's manual will inform you as to how often you need to change your spark plugs. Make sure to replace them before they go past their rated mileage, or else you're risking engine problems. When you do replace your spark plugs, make sure to change all of them at the same time and use the right plugs for your model. Those would be Ford plugs, since they're the only ones designed to deliver quality you can trust. Our online auto parts department has plenty in stock and ready to ship. Order now and save!

Spark Plug
Part Number: SP547
MSRP $17.42
$11.02
MSRP $17.42
$11.02
Spark Plug
Part Number: SP450A
MSRP $3.00
$1.90
MSRP $3.00
$1.90
Spark Plug
Part Number: SP535
MSRP $10.15
$6.42
MSRP $10.15
$6.42
Spark Plug
Part Number: SP500
MSRP $6.00
$3.80
MSRP $6.00
$3.80
Spark Plug
Part Number: SP504
MSRP $6.00
$3.80
MSRP $6.00
$3.80
Spark Plug
Part Number: AGSF22F1
Description: 5.4L. 6.8L. From 10/05/2009. More Info
Fits:
  • Ford:
    • E-150,
    • E-250,
    • E-350 Super Duty
MSRP $7.95
$5.03
MSRP $7.95
$5.03
Spark Plug
Part Number: AGSF22WM
Description: 6.8L. 5.4l sohc. 5.4L, without supercharger. More Info
Fits:
  • Ford:
    • E-150,
    • E-150 Club Wagon,
    • E-150 Econoline,
    • E-150 Econoline Club Wagon,
    • E-250,
    • E-250 Econoline,
    • E-350 Club Wagon,
    • E-350 Econoline,
    • E-350 Econoline Club Wagon,
    • E-350 Super Duty,
    • Excursion,
    • Expedition,
    • F-150,
    • F-150 Heritage,
    • F-250,
    • F-250 Super Duty,
    • F-350 Super Duty
  • Lincoln:
    • Navigator
  • 13 more
MSRP $4.78
$3.02
MSRP $4.78
$3.02
Spark Plug
Part Number: AGSF34FM
Description: 4.2L. 2.0L sohc. More Info
Fits:
  • Ford:
    • E-150,
    • E-150 Club Wagon,
    • E-150 Econoline,
    • E-150 Econoline Club Wagon,
    • E-250,
    • E-250 Econoline,
    • Escort,
    • F-150,
    • F-150 Heritage,
    • Focus,
    • Thunderbird
  • Mercury:
    • Cougar,
    • Tracer
  • 8 more
MSRP $6.00
$3.80
MSRP $6.00
$3.80
Spark Plug
Part Number: AGSF42FM
Description: 3.8L. 4.2L. Optional. Vendor:motorcraft. Vendor #awsf 42-pp. Vendor #agsf 42-eem. More Info
Fits:
  • Ford:
    • Aerostar,
    • E-150 Econoline,
    • E-150 Econoline Club Wagon,
    • E-250 Econoline,
    • Explorer,
    • F-150,
    • Freestar,
    • Mustang,
    • Ranger,
    • Windstar
  • Mercury:
    • Monterey
  • 6 more
MSRP $6.00
$3.80
MSRP $6.00
$3.80
Spark Plug
Part Number: CYFS12Y1
Description: 2.0L dohc. More Info
Fits:
  • Ford:
    • EcoSport,
    • Focus,
    • Transit Connect
MSRP $10.15
$6.42
MSRP $10.15
$6.42
Spark Plug
Part Number: SP520A
MSRP $4.87
$3.08
MSRP $4.87
$3.08
Spark Plug
Part Number: SP539
MSRP $14.91
$9.43
MSRP $14.91
$9.43
Spark Plug
Part Number: AGSF22F1MX
Replaces: AGSF-22F-1M, SP-523-
Description: 3.0L. More Info
MSRP $8.02
$5.07
MSRP $8.02
$5.07
Spark Plug
Part Number: AGSF22FM1
Fits:
  • Ford:
    • Crown Victoria,
    • E-150,
    • E-250,
    • E-250 Econoline,
    • E-350 Club Wagon,
    • E-350 Econoline,
    • E-350 Econoline Club Wagon,
    • E-350 Super Duty,
    • Expedition,
    • F-150,
    • F-150 Heritage,
    • F-250,
    • Mustang
  • Lincoln:
    • Town Car
  • Mercury:
    • Grand Marquis
  • 10 more
MSRP $5.84
$3.69
MSRP $5.84
$3.69
Spark Plug
Part Number: AGSF32FM
Description: 4.6L. 5.0L. 2.5L. 3.0L dohc. Vendor #awsf 32-f. Vendor:motorcraft. Vendor #awsf 32-pp. 3.0L ohv, without Flex fuel. More Info
Fits:
  • Ford:
    • Contour,
    • Crown Victoria,
    • E-150 Econoline,
    • E-150 Econoline Club Wagon,
    • Expedition,
    • Explorer,
    • F-150,
    • F-250,
    • Mustang,
    • Ranger,
    • Taurus,
    • Thunderbird,
    • Windstar
  • Lincoln:
    • Continental,
    • Mark VIII,
    • Town Car
  • Mercury:
    • Cougar,
    • Grand Marquis,
    • Mountaineer,
    • Mystique,
    • Sable
  • 16 more
MSRP $6.00
$3.80
MSRP $6.00
$3.80
Spark Plug
Part Number: AGSF32WM
Description: 3.0L dohc. More Info
Fits:
  • Ford:
    • Escape,
    • Five Hundred,
    • Freestyle,
    • Fusion,
    • Taurus
  • Lincoln:
    • Aviator,
    • Mark VIII,
    • Zephyr
  • Mercury:
    • Marauder,
    • Mariner,
    • Milan,
    • Montego,
    • Sable
  • 8 more
MSRP $4.78
$3.02
MSRP $4.78
$3.02
Spark Plug
Part Number: AGSF32WM1
Fits:
  • Ford:
    • Escape
  • Mercury:
    • Mariner
MSRP $5.64
$3.57
MSRP $5.64
$3.57
Spark Plug
Part Number: AYFS22FM
Description: 3.7L. 3.5L without turbocharger. More Info
Fits:
  • Ford:
    • Contour,
    • Edge,
    • Flex,
    • Fusion,
    • Taurus,
    • Taurus X
  • Lincoln:
    • MKS,
    • MKT,
    • MKX,
    • MKZ
  • Mercury:
    • Mystique,
    • Sable
  • 7 more
MSRP $6.00
$3.80
MSRP $6.00
$3.80
Spark Plug
Part Number: AYFS32YR
Replaces: AYSF-32Y-PC, SP-490-
Description: 2.3L. 2.0L dohc. 2.5L, without Flex fuel. More Info
Fits:
  • Ford:
    • C-Max,
    • Escape,
    • Fusion,
    • Police Responder Hybrid,
    • SSV Plug-In Hybrid,
    • Transit Connect
  • Lincoln:
    • MKZ
  • Mercury:
    • Mariner,
    • Milan
  • 4 more
MSRP $12.24
$7.74
MSRP $12.24
$7.74
Spark Plug
Part Number: CYFS13YRC
Description: 1.6L turbo. More Info
Fits:
  • Ford:
    • Escape,
    • Fiesta,
    • Fusion,
    • Transit Connect
MSRP $10.75
$6.80
MSRP $10.75
$6.80
Spark Plug
Part Number: CYFS12YT5
MSRP $12.00
$7.59
MSRP $12.00
$7.59
Spark Plug
Part Number: CYFS092YPT3
Fits:
  • Ford:
    • GT
MSRP $12.00
$7.59
MSRP $12.00
$7.59
Spark Plug
Part Number: HYFS093YEC
Replaces: HYFS-93-YEC
Description: 1.0L. More Info
Fits:
  • Ford:
    • EcoSport,
    • Fiesta,
    • Focus
MSRP $16.75
$10.59
MSRP $16.75
$10.59
Spark Plug
Part Number: CGSF12YP
Description: 5.8L. More Info
Fits:
  • Ford:
    • Mustang
MSRP $10.95
$6.92
MSRP $10.95
$6.92
Spark Plug
Part Number: CYFS12YEC
Description: 1.6L non turbo. More Info
Fits:
  • Ford:
    • Fiesta
MSRP $13.64
$8.63
MSRP $13.64
$8.63
Spark Plug
Part Number: AYFS092FE1X
Replaces: AYFS-092-FE1, AYFS-92-FE1, SP-524-
Description: 2.0L dohc, with svt. More Info
MSRP $8.55
$5.41
MSRP $8.55
$5.41
Spark Plug
Part Number: CYFS12YP
Fits:
  • Ford:
    • Focus
MSRP $8.75
$5.53
MSRP $8.75
$5.53
Spark Plug
Part Number: AGSF34NX
Replaces: AGSF-34N-, SP-506-
MSRP $3.82
$2.42
MSRP $3.82
$2.42
Spark Plug
Part Number: ASF44P
MSRP $4.20
$2.66
MSRP $4.20
$2.66
Spark Plug
Part Number: ASF32P
Fits:
  • Ford:
    • Bronco,
    • E-150 Econoline,
    • E-150 Econoline Club Wagon,
    • E-250 Econoline,
    • E-350 Econoline,
    • E-350 Econoline Club Wagon,
    • F-150,
    • F-250,
    • F-250 HD,
    • F-350
  • 5 more
MSRP $4.20
$2.66
MSRP $4.20
$2.66
Spark Plug
Part Number: AGSF24FMX
Replaces: AGSF-24C-, AGSF-24F-M, SP-408-, SP-498-
MSRP $5.64
$3.57
MSRP $5.64
$3.57
Spark Plug
Part Number: AGSP32FMX
MSRP $5.84
$3.69
MSRP $5.84
$3.69
Spark Plug
Part Number: AGSP32FM
Description: 3.9L. More Info
Fits:
  • Ford:
    • Taurus
  • Lincoln:
    • LS
MSRP $5.73
$3.62
MSRP $5.73
$3.62
Spark Plug
Part Number: AGSF12FM
MSRP $6.00
$3.80
MSRP $6.00
$3.80
Spark Plug
Part Number: AS8
MSRP $1.35
$0.85
MSRP $1.35
$0.85
Spark Plug
Part Number: AL82
MSRP $2.60
$1.64
MSRP $2.60
$1.64
Spark Plug
Part Number: AGSF32FSM
Description: 3.0L. More Info
Fits:
  • Lincoln:
    • LS
MSRP $6.00
$3.80
MSRP $6.00
$3.80
Spark Plug
Part Number: AZFS22FE
Fits:
  • Ford:
    • Contour,
    • Escort
  • Mercury:
    • Mystique
MSRP $7.87
$4.98
MSRP $7.87
$4.98
Spark Plug
Part Number: AGSP32FSMX
Replaces: AGSP-32F-SM, SP-468-
Description: 3.9L. More Info
MSRP $5.64
$3.57
MSRP $5.64
$3.57
Spark Plug
Part Number: AGSP32FSMX
Replaces: AGSP-32F-SM, SP-468-
Description: 3.9L. More Info
MSRP $5.64
$3.57
MSRP $5.64
$3.57
Spark Plug
Part Number: AGS4C
MSRP $1.05
$0.67
MSRP $1.05
$0.67
Spark Plug
Part Number: AZFS22CA
MSRP $3.00
$1.90
MSRP $3.00
$1.90
Spark Plug
Part Number: AGSF22FSMX
Replaces: AGSF-22F-SM, SP-459-
Description: 3.0L. More Info
MSRP $8.18
$5.18
MSRP $8.18
$5.18
Spark Plug
Part Number: AGSF42C6AX
MSRP $2.65
$1.68
MSRP $2.65
$1.68
Spark Plug
Part Number: AGSF34FPX
Replaces: AGSF-34F-P, SP-440-
MSRP $8.55
$5.41
MSRP $8.55
$5.41
Spark Plug
Part Number: AGS32CA
Replaces: AGS-32C-, SP-436-
MSRP $2.56
$1.62
MSRP $2.56
$1.62
Spark Plug
Part Number: AWSF54C
Fits:
  • Ford:
    • LTD,
    • Mustang,
    • Thunderbird
  • Mercury:
    • Capri,
    • Cougar,
    • Marquis
  • 1 more
MSRP $1.36
$0.86
MSRP $1.36
$0.86

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