GM Spark Plugs
Spark Plug
Ford
CYFS-12F-1X
5.0L, 2015-17. 5.2L, without supercharger.
$6.84
MSRP $10.04
Save $3.20
31.9% Off 
Spark Plug
Ford
AGSF-42F-MX
Optional. Vendor:motorcraft. Vendor #awsf 42-pp. 3.8L. Vendor #agsf 42-eem. 4.2L.
$6.49
MSRP $9.51
Save $3.02
31.8% Off 
Spark Plug
Ford
CYFS-12Y-T6
3.7L. 7.3L. 3.3L. 5.0L. 3.5L without turbo. 2.0L. From 02/29/2012.
$5.70
MSRP $8.36
Save $2.66
31.8% Off 
Spark Plug
Ford
HJFS-24FP-X
5.4L. 6.8L. 2007-14, from 10/09/2007. Vendor:motorcraft. Vendor #pzt-1f-f4. Direct Ignition Coil Boot. Color-Brown. 4.6L 3 valve.
$10.78
MSRP $15.80
Save $5.02
31.8% Off 
Spark Plug
Ford
BSF-44C-AX
Vendor:motorcraft. Vendor #BSF 44-C.
$5.43
MSRP $7.96
Save $2.53
31.8% Off 
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Worn spark plugs can often be the cause of engine misfiring. Spark plugs are something that are built to last a while, but since they endure high heat and friction, they can wear out over time. They should be replaced if you find they are not functioning properly. For genuine GM parts at great prices, shop our online catalog for the right spark plugs by choosing the Year, Make and Model of your vehicle below.