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: CYFS12FP
Description: 6.2L. More Info
Fits:
  • Ford:
    • E-350 Super Duty,
    • F-150,
    • F-250 Super Duty,
    • F-350 Super Duty
MSRP $7.33
$6.05
MSRP $7.33
$6.05
Spark Plug
Part Number: SP521
MSRP $7.95
$6.56
MSRP $7.95
$6.56
Spark Plug
Part Number: SP532
MSRP $10.75
$8.87
MSRP $10.75
$8.87
Spark Plug
Part Number: SP550
MSRP $7.78
$6.42
MSRP $7.78
$6.42
Spark Plug
Part Number: CYFS-12Y-RT3
Replaces: CYFS-092-YPT, CYFS-12Y-PT, CYFS-92-YPT, SP-542-, SP-578-
Description: 3.0L. 2.7L, 2015-17. 2.7L, 2018-20. 2.0L, 2019-21. 2.3L. More Info
$13.46
$13.46
Spark Plug
Part Number: SP417
MSRP $5.64
$4.65
MSRP $5.64
$4.65
Spark Plug
Part Number: QSP6
MSRP $15.71
$6.88
MSRP $15.71
$6.88
Spark Plug
Part Number: QSP4
MSRP $15.71
$6.88
MSRP $15.71
$6.88
Spark Plug
Part Number: QSP10
MSRP $6.57
$2.88
MSRP $6.57
$2.88
Spark Plug
Part Number: CYFS12Y4
MSRP $12.00
$9.90
MSRP $12.00
$9.90
Spark Plug
Part Number: HYFS12YPT
MSRP $12.00
$9.90
MSRP $12.00
$9.90
Spark Plug
Part Number: BSF42P
MSRP $3.47
$2.87
MSRP $3.47
$2.87
Spark Plug
Part Number: CYFS-12-YT4X
Replaces: CYFS-12-Y3, CYFS-12-YT3, CYFS-12-YT4, SP-528-, SP-534-, SP-580-
Description: 2015-17. 3.5L with turbo, 2015-16. More Info
$14.36
$14.36
Spark Plug
Part Number: CYFS-12F-1X
Replaces: CYFS-12F-1, CYFS-12Y-, SP-519-, SP-548-
Description: 5.0L, 2015-17. 5.2L, without supercharger. More Info
$8.78
$8.78
Spark Plug
Part Number: ASF44PX
MSRP $4.27
$3.53
MSRP $4.27
$3.53
Spark Plug
Part Number: ASF42P
Description: Standard. Vendor:motorcraft. Vendor #ASF 42-P. Optional. More Info
Fits:
  • Ford:
    • Bronco,
    • E-150 Econoline,
    • E-150 Econoline Club Wagon,
    • E-350 Econoline,
    • E-350 Econoline Club Wagon,
    • F-150,
    • F-250,
    • F-250 HD,
    • F-350
  • 4 more
MSRP $4.20
$3.47
MSRP $4.20
$3.47
Spark Plug
Part Number: AGSF22YPC
Description: 2.3L. More Info
Fits:
  • Ford:
    • Escape,
    • Focus
  • Mercury:
    • Mariner
MSRP $12.24
$10.10
MSRP $12.24
$10.10
Spark Plug
Part Number: AS4C
MSRP $1.35
$1.11
MSRP $1.35
$1.11
Spark Plug
Part Number: AZFS22FEX
MSRP $8.55
$7.05
MSRP $8.55
$7.05
Spark Plug
Part Number: AZFS22C
MSRP $3.00
$2.48
MSRP $3.00
$2.48
Spark Plug
Part Number: AGSF43C
MSRP $1.35
$1.11
MSRP $1.35
$1.11
Spark Plug
Part Number: BSF44P
Description: Vendor:motorcraft. Vendor #BSF 44-P. More Info
Fits:
  • Ford:
    • E-250 Econoline,
    • E-350 Econoline,
    • E-350 Econoline Club Wagon,
    • F-150,
    • F-250
MSRP $4.29
$3.54
MSRP $4.29
$3.54
Spark Plug
Part Number: ASF4C
MSRP $1.05
$0.87
MSRP $1.05
$0.87
Spark Plug
Part Number: AGSF22N
MSRP $3.82
$3.15
MSRP $3.82
$3.15
Spark Plug
Part Number: SP530
MSRP $12.24
$10.10
MSRP $12.24
$10.10
Spark Plug
Part Number: SP541A
MSRP $12.24
$10.10
MSRP $12.24
$10.10
Spark Plug
Part Number: SP486
MSRP $6.00
$4.95
MSRP $6.00
$4.95
Spark Plug
Part Number: SP405
MSRP $5.84
$4.82
MSRP $5.84
$4.82
Spark Plug
Part Number: SP518A
MSRP $5.84
$4.82
MSRP $5.84
$4.82
Spark Plug
Part Number: SP433
MSRP $4.78
$3.95
MSRP $4.78
$3.95
Spark Plug
Part Number: SP493
Fits:
  • Ford:
    • E-250
MSRP $4.64
$3.83
MSRP $4.64
$3.83
Spark Plug
Part Number: AGSF22FM
Description: 3.0L ohv, with Flex fuel. 4.0L, sohc. 3.0L, with ethanol. More Info
Fits:
  • Ford:
    • Explorer,
    • Explorer Sport,
    • Explorer Sport Trac,
    • Ranger,
    • Taurus
  • Mercury:
    • Mountaineer,
    • Sable
  • 2 more
MSRP $6.00
$4.95
MSRP $6.00
$4.95
Spark Plug
Part Number: AGSF32PM
Description: 4.6, 5.4L, 4.6l. Without ngv. Sohc, without ethanol. With unleaded fuel. Standard. Vendor:motorcraft. Vendor #awsf 32-p. Optional. More Info
Fits:
  • Ford:
    • Aerostar,
    • Crown Victoria,
    • E-150,
    • E-150 Econoline,
    • E-150 Econoline Club Wagon,
    • E-250,
    • Expedition,
    • Explorer,
    • F-150,
    • F-150 Heritage,
    • Mustang,
    • Probe,
    • Taurus,
    • Tempo
  • Lincoln:
    • Navigator,
    • Town Car
  • Mercury:
    • Grand Marquis,
    • Mountaineer,
    • Sable,
    • Topaz
  • 15 more
MSRP $4.64
$3.83
MSRP $4.64
$3.83
Spark Plug
Part Number: CYFS-12F-5X
Replaces: CYFS-12F-5, SP-520-
Description: 3.7L. 3.3L. 3.5L without turbo. 2.0L. From 02/29/2012. More Info
$7.20
$7.20
Spark Plug
Part Number: CYFS12F5A
MSRP $4.87
$4.02
MSRP $4.87
$4.02
Spark Plug
Part Number: HJFS-24FP-X
Replaces: HJFS-24FP-, SP-509-
Description: 5.4L. 6.8L. 2007-14, from 10/09/2007. 4.6L 3 valve. More Info
$16.66
$16.66
Spark Plug
Part Number: AGSF24N
Description: From 07/19/05. 4.0l. More Info
Fits:
  • Ford:
    • Explorer,
    • Explorer Sport Trac,
    • Mustang,
    • Ranger
  • Mercury:
    • Mountaineer
MSRP $3.82
$3.15
MSRP $3.82
$3.15
Spark Plug
Part Number: AGSF32N
Description: With unleaded fuel. 3.0L, without ethanol. More Info
Fits:
  • Ford:
    • Crown Victoria,
    • F-150,
    • Ranger
  • Lincoln:
    • Town Car
  • Mercury:
    • Grand Marquis
MSRP $3.82
$3.15
MSRP $3.82
$3.15
Spark Plug
Part Number: HAMZ12405E
MSRP $15.71
$6.88
MSRP $15.71
$6.88
Spark Plug
Part Number: HAMZ12405K
MSRP $6.57
$2.88
MSRP $6.57
$2.88
Spark Plug
Part Number: SP495
MSRP $6.00
$4.95
MSRP $6.00
$4.95
Spark Plug
Part Number: SP488AX
MSRP $4.22
$3.48
MSRP $4.22
$3.48
Spark Plug
Part Number: TT10AX
Replaces: SP-488-, SP-488-A, TT-10-, TT-10-A
MSRP $4.22
$3.48
MSRP $4.22
$3.48
Spark Plug
Part Number: SP478X
MSRP $8.55
$7.05
MSRP $8.55
$7.05
Spark Plug
Part Number: AZFS32FEX
Replaces: AZFS-32F-E, SP-478-
Description: 2.0L. More Info
MSRP $8.80
$7.05
MSRP $8.80
$7.05
Spark Plug
Part Number: SP473A
MSRP $1.29
$1.07
MSRP $1.29
$1.07
Spark Plug
Part Number: SP470
MSRP $6.00
$4.95
MSRP $6.00
$4.95
Spark Plug
Part Number: SP469
MSRP $7.87
$6.50
MSRP $7.87
$6.50
Spark Plug
Part Number: SP463A
MSRP $3.00
$2.48
MSRP $3.00
$2.48

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