Autolite
Autolite spark plugs deliver reliable ignition, improved combustion efficiency and long-lasting performance for motorcycles, ATVs and cars. From standard and platinum plugs to iridium and high-thread racing options, Autolite products ensure consistent engine starts and peak performance under all conditions. Trusted by builders, tuners and riders, these spark plugs enhance throttle response, fuel efficiency and engine reliability. Whether upgrading a modern performance bike or maintaining a classic setup, Autolite components keep your engine running strong and smooth.
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Autolite - AU4163 - Spark Plug - DPR8EA9/DR8ESL
Autolite
$12.70Autolite - AU4163 - Spark Plug - DPR8EA9/DR8ESLFeaturesMade in the USASpecsHeat Range3StyleCopperGround Electrode ConfigurationSingleProduct NameSpark PlugCenter Electrode ProjectionProjectedCenter...$12.70 -
Autolite - 21030420 - Spark Plug - XS4303
Autolite
$19.33Autolite - 21030420 - Spark Plug - XS4303Features.6mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over a standard plugUp to 26% quicker...$19.33 -
Autolite - 21030417 - Spark Plug - XS4163
Autolite
$19.33Autolite - 21030417 - Spark Plug - XS4163Features.6mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over a standard plugUp to 26% quicker...$19.33 -
Autolite - 21030415 - Spark Plug - XS3924
Autolite
$14.99Autolite - 21030415 - Spark Plug - XS3924Features.6mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over a standard plugUp to 26% quicker...$14.99 -
Autolite - 21030414 - Spark Plug - XS3923
Autolite
$19.33Autolite - 21030414 - Spark Plug - XS3923Features.6mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over a standard plugUp to 26% quicker...$19.33 -
Autolite - 21030122 - Spark Plug - #3922
Autolite
$11.88Autolite - 21030122 - Spark Plug - #3922FeaturesMade in the USASpecsCenter Electrode TypeNecked DownElectrode Tip MaterialNickel AlloyTerminal ConfigurationThreaded StudGround Electrode...$11.88 -
Autolite - 21030120 - Spark Plug - #4194
Autolite
$11.27Autolite - 21030120 - Spark Plug - #4194FeaturesMade in the USASpecsGround Electrode ConfigurationSingleProduct NameSpark PlugElectrode Tip MaterialNickel AlloyTypeNon-ResistorTerminal...$11.27 -
Autolite - 21030119 - Spark Plug - #4303
Autolite
$12.70Autolite - 21030119 - Spark Plug - #4303FeaturesMade in the USASpecsRiding StyleStreetCenter Electrode TypeNecked DownGround Electrode ConfigurationSingleStyleCopperTerminal ConfigurationThreaded...$12.70 -
Autolite - 21030113 - Spark Plug - #4063
Autolite
$12.70Autolite - 21030113 - Spark Plug - #4063FeaturesMade in the USASpecsCenter Electrode ProjectionNon-ProjectedProduct NameSpark PlugGround Electrode ConfigurationSingleHeat...$12.70 -
Out of stock
V-Twin - 32-9297 - Autolite Standard Spark Plug
Autolite
$41.71V-Twin - 32-9297 - Autolite Standard Spark PlugDescriptionAutolite spark plugs are standard type. Fits:FXST 1984-1998FX 1975-1981FLT 1984-1998FXS 1975-1980FL 1975-1981FXD 1991-1994FXR 1984-1994FLST...$41.71 -
V-Twin - 32-9296 - Autolite Standard Spark Plug
Autolite
$34.49V-Twin - 32-9296 - Autolite Standard Spark PlugDescriptionAutolite spark plugs are standard type. Fits:FL 1948-1974FX 1971-1974Additional Information UOM10 - PK ManufacturerAutolite OriginUSA ...$34.49 -
V-Twin - 32-9295 - Autolite Spark Plug Standard
Autolite
$39.89V-Twin - 32-9295 - Autolite Spark Plug StandardDescriptionAutolite spark plugs, standard type. Fits:FLT 1999-2016FXST 1999-UPFLST 1999-UPXL 1985-UPFXD 1999-2017Additional Information OEM No...$39.89 -
V-Twin - 32-9294 - Autolite Spark Plug Standard
Autolite
$36.25V-Twin - 32-9294 - Autolite Spark Plug StandardDescriptionAutolite spark plugs, standard type. Fits:XL 1980-1985Additional Information OEM No.4123 UOM10 - PK ManufacturerAutolite OriginUSA 2025...$36.25 -
V-Twin - 32-9293 - Autolite Spark Plug Standard
Autolite
$34.49V-Twin - 32-9293 - Autolite Spark Plug StandardDescriptionAutolite spark plugs, standard, hotter than stock type. Fits:XL 1957-1979Additional Information UOM10 - PK ManufacturerAutolite OriginUSA ...$34.49 -
V-Twin - 32-9231 - Autolite Platinum Spark Plug Set
Autolite
$26.94V-Twin - 32-9231 - Autolite Platinum Spark Plug SetDescriptionAutotlite platinum spark plug set.Sold as a set of two. Fits:FXST 1984-1998FX 1975-1981FLT 1984-1998FXS 1975-1980FL 1975-1981FXD...$26.94 -
Autolite - 4316 - Spark Plug - #4316
Autolite
$11.27Autolite - 4316 - Spark Plug - #4316FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsProduct NameSpark PlugGround...$11.27 -
Autolite - 4275 - Spark Plug - #4275
Autolite
$11.27Autolite - 4275 - Spark Plug - #4275FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsGround Electrode...$11.27 -
Autolite - 4123 - Spark Plug - #4123
Autolite
$12.70Autolite - 4123 - Spark Plug - #4123FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsGround Electrode...$12.70 -
Autolite - 4164 - Spark Plug - #4164
Autolite
$12.70Autolite - 4164 - Spark Plug - #4164FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsCenter Electrode TypeNecked...$12.70 -
Autolite - 4265 - Spark Plug - #4265
Autolite
$12.70Autolite - 4265 - Spark Plug - #4265FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsCenter Electrode TypeNecked...$12.70 -
Autolite - 4345 - Spark Plug - #4345
Autolite
$11.65Autolite - 4345 - Spark Plug - #4345FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsHeat Range6StyleCopperElectrode...$11.65 -
Autolite - XS4302 - Spark Plug - XS4302
Autolite
$19.33Autolite - XS4302 - Spark Plug - XS4302FeaturesMore focused ignition to prevent fouling than leading standard plug.6mm finewire design with Sport V-trim ground electrode engineered to offer improved...$19.33 -
Autolite - XS4162 - Spark Plug - XS4162
Autolite
$19.33Autolite - XS4162 - Spark Plug - XS4162FeaturesMore focused ignition to prevent fouling than leading standard plug.6mm finewire design with Sport V-trim ground electrode engineered to offer improved...$19.33 -
Autolite - 4162 - Spark Plug - #4162
Autolite
$12.70Autolite - 4162 - Spark Plug - #4162FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsGround Electrode...$12.70 -
Autolite - 4302 - Spark Plug - #4302
Autolite
$12.70Autolite - 4302 - Spark Plug - #4302FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsCenter Electrode...$12.70
Autolite Spark Plugs & Ignition Components – Reliable Ignition & Engine Performance
Autolite has built a reputation for producing high-quality spark plugs engineered for peak performance across motorcycles, ATVs and automotive applications. Their lineup includes standard, platinum, iridium and high-thread racing plugs, designed to deliver consistent combustion, stronger ignition, and improved throttle response. Each plug is crafted with precision to ensure reliable starts and long-term durability in all riding and driving conditions.
Riders and mechanics rely on Autolite components for everything from daily commuting motorcycles to high-performance racing builds. Popular options such as iridium spark plugs offer superior heat tolerance, reduced wear and enhanced fuel efficiency, while platinum plugs maintain reliability and longevity in classic engines. By providing precise spark timing and optimal energy transfer, Autolite plugs contribute to smoother acceleration, cleaner combustion and reduced engine strain.
Beyond spark plugs, Autolite offers a full range of ignition components including coils, wires, and performance parts designed to optimize your engine’s electrical system. These components work together to maintain consistent voltage, prevent misfires and maximize engine efficiency. Whether upgrading a performance bike, restoring a vintage motorcycle, or building a racing machine, Autolite ensures dependable ignition, enhanced engine performance and long-term reliability for every rider and builder.