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Ford Mustang Spark Plug Wires and Caps
This page covers spark plug wires and caps for the Ford Mustang, spanning model years 1964–2025. The range includes OE replacement and performance options in single and kit configurations. Select your year above and we'll show only the spark plug wires and caps that fit your Ford Mustang. Fitment is checked against our vehicle data for every part listed.
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NGK 3689 TR6IX Iridium IX Spark Plug M14 Heat Range 6 Pre-Gapped 0.040 in
Part: 3689
Vehicle Specific
$7.92
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NGK 4477 ITR6F13 Laser Iridium Spark Plug M14 Tapered Seat 0.708 in Reach
Part: 4477
Vehicle Specific
$10.96
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NGK 7401 UR4IX Iridium IX Spark Plug, 14mm Thread, 0.460in Reach, Resistor
Part: 7401
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$7.92
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What's here for your Ford Mustang
- Spark plugs in OE replacement specification
- Performance spark plugs
- Spark plug kits
- Single spark plugs for individual cylinder replacement
- Options with varied tip styles
The widest selection here comes from DENSO, Autolite, Bosch, and NGK Spark Plugs, giving Ford Mustang owners a broad set of choices across replacement and upgrade fitments. Other categories Ford Mustang owners shop for: Ford Mustang Engine Block Parts, Ford Mustang Exhaust and Tail Pipes and Ford Mustang Springs and Suspension Parts, or browse all Ford Mustang parts and accessories.