Spark Plugs & Wires
450 parts
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Sumax - 40631 - Spark Plug Wire - 10.4 mm - Blue - Harley Davidson
Sumax
$59.95Sumax - 40631 - Spark Plug Wire - 10.4 mm - Blue - Harley DavidsonFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$59.95 -
Sumax - 77635 - Spark Plug Wire - 8 mm - Blue - FXR
Sumax
$41.95Sumax - 77635 - Spark Plug Wire - 8 mm - Blue - FXRFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots...$41.95 -
Sumax - 77231 - Spark Plug Wire - 8 mm - Red - FL/FX
Sumax
$41.95Sumax - 77231 - Spark Plug Wire - 8 mm - Red - FL/FXFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots...$41.95 -
Sumax - 77233 - Spark Plug Wire - 8 mm - Red - FLT/XL
Sumax
$41.95Sumax - 77233 - Spark Plug Wire - 8 mm - Red - FLT/XLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots...$41.95 -
Sumax - 77235 - Spark Plug Wire - 8 mm - Red - FXR
Sumax
$41.95Sumax - 77235 - Spark Plug Wire - 8 mm - Red - FXRFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots...$41.95 -
Sumax - 77033 - Spark Plug Wire - 8 mm - Black - FLT/XL
Sumax
$41.95Sumax - 77033 - Spark Plug Wire - 8 mm - Black - FLT/XLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$41.95 -
Sumax - 77031 - Spark Plug Wire - 8 mm - Black - FL
Sumax
$41.95Sumax - 77031 - Spark Plug Wire - 8 mm - Black - FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots...$41.95 -
Sumax - 49631 - Spark Plug Wire - 10.4 mm - Blue - '65-'99 FX/FL
Sumax
$59.95Sumax - 49631 - Spark Plug Wire - 10.4 mm - Blue - '65-'99 FX/FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$59.95 -
Sumax - 49035 - Spark Plug Wire - 10.4 mm - Black - '82-'94/'99-'00 FXR
Sumax
$59.95Sumax - 49035 - Spark Plug Wire - 10.4 mm - Black - '82-'94/'99-'00 FXRFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals...$59.95 -
Sumax - 49033 - Spark Plug Wire - 10.4 mm - Black - '80-'98 FL
Sumax
$59.95Sumax - 49033 - Spark Plug Wire - 10.4 mm - Black - '80-'98 FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$59.95 -
Sumax - 49638 - Spark Plug Wires - 10.4 mm - Blue
Sumax
$98.95Sumax - 49638 - Spark Plug Wires - 10.4 mm - BlueFeaturesPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicon, which gives...$98.95 -
Sumax - 49038 - Spark Plug Wires - 10.4 mm - Black
Sumax
$98.95Sumax - 49038 - Spark Plug Wires - 10.4 mm - BlackFeaturesPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicon, which gives...$98.95 -
Sumax - 30038 - Spark Plug Wire - 8 mm - Black
Sumax
$72.95Sumax - 30038 - Spark Plug Wire - 8 mm - BlackFeaturesPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicon, which gives...$72.95 -
Sumax - 40638 - Spark Plug Wire - 10.4 mm - Blue
Sumax
$98.95Sumax - 40638 - Spark Plug Wire - 10.4 mm - BlueFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and...$98.95 -
Sumax - 40038 - Spark Plug Wire - 10.4 mm - Black
Sumax
$98.95Sumax - 40038 - Spark Plug Wire - 10.4 mm - BlackFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and...$98.95 -
Sumax - 20238 - Spark Plug Wire - 8 mm - Red - FL
Sumax
$72.95Sumax - 20238 - Spark Plug Wire - 8 mm - Red - FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and...$72.95 -
Sumax - 20038 - Spark Plug Wire - 8 mm - Black - FL
Sumax
$72.95Sumax - 20038 - Spark Plug Wire - 8 mm - Black - FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots...$72.95 -
Sumax - 40636 - Spark Plug Wire - 10.4 mm - Blue - '09-'16 FL
Sumax
$59.95Sumax - 40636 - Spark Plug Wire - 10.4 mm - Blue - '09-'16 FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$59.95 -
Sumax - XG202 - Spark Plug Wire - 8 mm - Red - XG
Sumax
$32.95Sumax - XG202 - Spark Plug Wire - 8 mm - Red - XGFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and...$32.95 -
Sumax - 40236 - Spark Plug Wire - 10.4 mm - Red - '09-'16 FL
Sumax
$59.95Sumax - 40236 - Spark Plug Wire - 10.4 mm - Red - '09-'16 FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$59.95 -
Sumax - XG200 - Spark Plug Wire - 8 mm - Black - XG
Sumax
$32.95Sumax - XG200 - Spark Plug Wire - 8 mm - Black - XGFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots...$32.95 -
Sumax - 40036 - Spark Plug Wire - 10.4 mm - Black - '09-'16 FL
Sumax
$59.95Sumax - 40036 - Spark Plug Wire - 10.4 mm - Black - '09-'16 FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$59.95 -
Sumax - 20036 - Spark Plug Wire - 8 mm - Black - '09-'16 FL
Sumax
$41.95Sumax - 20036 - Spark Plug Wire - 8 mm - Black - '09-'16 FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$41.95 -
Sumax - 20236 - Spark Plug Wire - 8 mm - Red - '09-'16 FL
Sumax
$41.95Sumax - 20236 - Spark Plug Wire - 8 mm - Red - '09-'16 FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$41.95 -
Sumax - 20235 - Spark Plug Wire - 8 mm - Red - '08-'16 FXCW
Sumax
$41.95Sumax - 20235 - Spark Plug Wire - 8 mm - Red - '08-'11 FXCWFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$41.95 -
Sumax - 20035 - Spark Plug Wire - 8 mm - Black - '08-'16 FXCW
Sumax
$41.95Sumax - 20035 - Spark Plug Wire - 8 mm - Black - '08-'11 FXCWFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$41.95 -
Sumax - 40234 - Spark Plug Wire - 10.4 mm - Black - '99-'08 Red
Sumax
$59.95Sumax - 40234 - Spark Plug Wire - 10.4 mm - Black - '99-'08 RedFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$59.95 -
Sumax - 40634 - Spark Plug Wire - 10.4 mm - Black - '99-'08 Blue
Sumax
$59.95Sumax - 40634 - Spark Plug Wire - 10.4 mm - Black - '99-'08 BlueFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already...$59.95 -
Blue Streak - MC-SPW6 - Spark Plug Wire Set - 8mm - FL - Fits 1985-1996 FLT/FLHT/FLHR/FLTR
Blue Streak
$28.95Blue Streak - MC-SPW6 - Spark Plug Wire Set - 8mm - FLFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating...$28.95 -
Powermadd - E3.39 - E3 Spark Plug - 39 - Fits 2017-2024 M-Eight
PowerMadd
$11.00Powermadd - E3.39 - E3 Spark Plug - 39FeaturesUnique electrode shape maximizes the power created by the spark plug - Diamond Fire technologyElectrode is a combination of performance and technology...$11.00 -
Magnum Shielding - 3030T - Spark Plug Wires - Candy Apple Red - FXR
Magnum
$77.95Magnum Shielding - 3030T - Spark Plug Wires - Candy Apple Red - FXRFeaturesBraid perfectly matches all other Magnum cables and brake linesHigh-voltage, high temperature 8 mm silicone ignition wire...$77.95 -
Magnum Shielding - 3023K - Spark Plug Wires - Black Pearl - '71-'99 FX/FL
Magnum
$77.95Magnum Shielding - 3023K - Spark Plug Wires - Black Pearl - '65-'99 FX/FLFeaturesBraid perfectly matches all other Magnum cables and brake linesHigh-voltage, high temperature 8 mm silicone ignition...$77.95 -
Magnum Shielding - 3023B - Spark Plug Wires - Candy Apple Blue - '71-'99 FX/FL
Magnum
$77.95Magnum Shielding - 3023B - Spark Plug Wires - Candy Apple Blue - '65-'99 FX/FLFeaturesBraid perfectly matches all other Magnum cables and brake linesHigh-voltage, high temperature 8 mm silicone...$77.95 -
Magnum Shielding - 3030S - Spark Plug Wires - Polished - FXR
Magnum
$79.95Magnum Shielding - 3030S - Spark Plug Wires - Polished - FXRFeaturesBraid perfectly matches all other Magnum cables and brake linesHigh-voltage, high temperature 8 mm silicone ignition wire with an...$79.95 -
Magnum Shielding - 3023S - Spark Plug Wires - Polished - '71-'99 FX/FL
Magnum
$79.95Magnum Shielding - 3023S - Spark Plug Wires - Polished - '65-'99 FX/FLFeaturesBraid perfectly matches all other Magnum cables and brake linesHigh-voltage, high temperature 8 mm silicone ignition wire...$79.95 -
Magnum Shielding - 3033C - Spark Plug Wires - Sterling Chromite - FL
Magnum
$80.95Magnum Shielding - 3033C - Spark Plug Wires - Sterling Chromite - FLFeaturesBraid perfectly matches all other Magnum cables and brake linesHigh-voltage, high temperature 8 mm silicone ignition wire...$80.95 -
V-Twin - Doering Spark Plug Porcelain Sign
V-Twin Mfg
$62.26V-Twin - Doering Spark Plug Porcelain Sign Doering spark plug porcelain sign Fitment: All Measurements: Length: 25.80cm Width: 40.60cm$62.26 -
V-Twin - Spark Plugs Nickel fits '75-'85 FL/FX Models
V-Twin Mfg
$31.32V-Twin - Spark Plugs Nickel fits '75-'85 FL/FX Models V-Twin performance spark plugs features a nickel core electrode for a longer service life, alloy housing, 95% pure alumia insulator and a heat...$31.32 -
V-Twin - Nickel Spark Plugs fits '75-'85 FL/FX Models
V-Twin Mfg
$31.32V-Twin - Nickel Spark Plugs fits '75-'85 FL/FX Models V-Twin performance spark plugs features a nickel core electrode for a longer service life, alloy housing, 95% pure alumina insulator and a heat...$31.32 -
Colony - 7804-6 Spark Plug Cable Nuts with Packing fits '37-'48 UL, '30-'34 VL, '36-'40 EL Models
Colony Machine
$28.59Colony - 7804-6 Spark Plug Cable Nuts with Packing fits '37-'48 UL, '30-'34 VL, '36-'40 EL Models Spark plug cable nuts with packing Fitment: UL 1937-1948 VL 1930-1934 EL 1936-1940 FL...$28.59
Harley Spark Plugs & Wires
Upgrade your ignition system with our premium selection of Harley spark plugs and Harley spark plug wires, engineered to meet or exceed OEM standards for Harley Davidson motorcycles. Choose from high-performance iridium and platinum Harley Davidson spark plugs designed for increased durability, cleaner combustion, and improved fuel efficiency.
Our Harley Davidson spark plug wires feature low-resistance construction for maximum conductivity and reliable spark delivery. Built with high-temp silicone insulation, these Harley spark plug wires provide excellent heat protection and superior EMI/RFI suppression to shield your bike’s electronics from interference. Plus, with custom lengths and color-matched options available, you can match performance with style.
Whether you're maintaining a stock setup or fine-tuning a custom build, our Harley spark plugs and Harley spark plug wires are tested to perform under tough riding conditions. Browse our full range of Harley Davidson Electrical & Wiring parts and give your motorcycle the spark it needs to perform its best. Shop now and ride with confidence!