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-5934
All models. Expedition, Navigator. Town Car. 4.6L.
$86.03
MSRP $132.36
Save $46.33
35% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-4089
Ranger. 2.3l. Ranger. 2.5l.
$62.04
MSRP $95.45
Save $33.41
35% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-5719
Escort, Tracer. 2.0l. Sohc.
$38.19
MSRP $54.55
Save $16.36
30% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-4038-A
E150-350 vans. 5.8l. Bronco. 5.8l-w. F350. 5.8l-w. F150. 5.8l-w. F250 pick-up. 5.8l-w. E100-350 vans. 5.8l-w.
$54.35
MSRP $77.64
Save $23.29
30% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-4062
Aerostar. 4.0l. Explorer. Bronco II, Ranger. 4.0l.
$43.02
MSRP $61.45
Save $18.43
30% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-5791
Explorer, Mountaineer. 4.0l. Ohv. Ranger. 4.0l.
$49.76
MSRP $71.09
Save $21.33
30% Off 
Motorcraft Spark Plug Wire Set
Ford
WR-5974
Focus. From 5/3/99. Escape. 2.0l. Dohc. 2.0l. Vendor:motorcraft. Vendor #WR-5974. From 05/03/1999.
$35.89
MSRP $51.27
Save $15.38
30% Off 
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