Spark Plugs
The spark plugs in your engine are located at the very top of the cylinders and ignite the mixture of air and fuel in the engine to power it. There will be one spark plug for every cylinder in the engine. Spark plugs are vital to keeping the engine going and should be checked regularly. Signs that your sparks may be malfunctioning include engine misfiring, slow acceleration, and weakened fuel economy.
Motorcraft Spark Plug Wire Set
Ford
WR-4069
Aerostar. 3.0l. Bronco II, Ranger. 3.0l.
$48.62
MSRP $69.45
Save $20.83
30% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-6110
E150-350 vans. 4.2l. F150. 4.2l.
$49.25
MSRP $70.36
Save $21.11
30% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-5978
Mustang. 3.8l, 3.9l.
$54.35
MSRP $77.64
Save $23.29
30% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-4110
E150-350 vans. 7.5l. F350. 7.5l. F250 pick-up. 7.5l. E100-350 vans. 7.5l.
$46.96
MSRP $67.09
Save $20.13
30% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-6096
Explorer, Mountaineer. 4.0l. Explorer Sport Trac.
$49.25
MSRP $70.36
Save $21.11
30% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-5944
Left Hand Drive. Vendor:motorcraft. Vendor #WR-5944. Explorer, Mountaineer. 4.0l. Sohc. With sport, sport trac. To 7/24/00. To 07/24/2000.
$52.44
MSRP $74.91
Save $22.47
30% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-5938
Mustang. 4.6l. Sohc.
$81.43
MSRP $125.27
Save $43.84
35% Off 
Glow Plug
Ford
8C3Z-12A342-A
F250 super duty. F350 super duty. 6.4L diesel, glow plug.
$22.15
MSRP $31.64
Save $9.49
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