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GMC K15 Spark Plug Wires and Caps
This page brings together spark plug wires and caps for the GMC K15, covering model years 1975 through 1978. The range includes spark plugs, electronic ignition system kits, and ignition condensers sized for this truck. Pick your GMC K15's year above to narrow the list to spark plug wires and caps with confirmed fitment. Every part shown is checked against our vehicle data.
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NGK 7401 UR4IX Iridium IX Spark Plug, 14mm Thread, 0.460in Reach, Resistor
Part: 7401
Vehicle Specific
$7.92
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What's here for your GMC K15
- Spark plugs in a variety of specifications suited to 1975–1978 GMC K15 applications
- Electronic ignition system kits, including combination and conversion kit formats
- Ignition condensers for points-style distributor setups common to this era
The widest selection here comes from NGK Spark Plugs, ACDelco, DENSO, and Standard Motor Products, each offering parts that cover the 1975–1978 GMC K15 range. Other categories GMC K15 owners shop for: GMC K15 Steering Wheels, GMC K15 Exhaust and Tail Pipes and GMC K15 Doors and Door Parts, or browse all GMC K15 parts and accessories.