Dirt Bike Parts
Modern dirt bikes take serious abuse, so the parts on your machine need to match the way you ride. Whether you hit motocross tracks, single-track, or rough enduro terrain, the right dirt bike parts make a huge difference in power, handling, and durability. Riders choose high quality aftermarket components because they outperform stock parts and hold up when the pressure is on. Our selection is built for anyone who wants stronger performance and reliability on every jump, corner, and trail.
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- Price
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Parts Unlimited - Vinyl Covered Throttle Cable - '81-'95 Honda XL/XR
Parts Unlimited
$12.95Parts Unlimited - K286507C - Vinyl Covered Throttle Cable - '81-'95 Honda XL/XRFeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART #SpecsBase ColorBlackHousing MaterialVinylRiding...$12.95 -
Parts Unlimited - Front Fork Seals - 45 mm ID x 57 mm OD x 11 mm T
Parts Unlimited
$17.29Parts Unlimited - FS035 - Front Fork Seals - 45 mm ID x 57 mm OD x 11 mm TFeaturesMade to OEM specificationsMost performance models available in "NOK" anti-stiction material.SpecsMaterialRubberThickness Metric11.00 mmOutside Diameter Metric57.00...$17.29 -
Parts Unlimited - Vinyl Covered Throttle Cable - '78-'81 Yamaha DT/MX
Parts Unlimited
$13.95Parts Unlimited - K284599 - Vinyl Covered Throttle Cable - '78-'81 Yamaha DT/MXFeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART #SpecsColor/FinishBlackUnitsEachBase...$13.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '76-'81 Yamaha 500
Parts Unlimited
$24.95Parts Unlimited - K284524 - Vinyl Covered Throttle Cable - '76-'81 Yamaha 500FeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART #SpecsOverall Length Imperial49''UnitsSetProduct...$24.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '73-'83 Yamaha
Parts Unlimited
$14.95Parts Unlimited - K284515 - Vinyl Covered Throttle Cable - '73-'83 YamahaFeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART #SpecsTypeThrottleHousing MaterialVinylUnitsEachBase...$14.95 -
Parts Unlimited - Speedometer Cable - DT/XS/XT
Parts Unlimited
$18.95Parts Unlimited - K284017 - Speedometer Cable - DT/XS/XTFeaturesMatches original equipment exactly for a perfect fit and is packaged with the OEM number as well as a PART #SpecsColor/FinishBlackBase ColorBlackHousing...$18.95 -
Parts Unlimited - Front Fork Seals - 33 mm ID x 45 mm OD x 11 mm T
Parts Unlimited
$11.17Parts Unlimited - FS039 - Front Fork Seals - 33 mm ID x 45 mm OD x 11 mm TFeaturesMade to OEM specificationsMost performance models available in "NOK" anti-stiction material.SpecsProduct NameSealThickness Metric11.00 mmInside Diameter Metric33.00...$11.17 -
Parts Unlimited - Speedometer Cable - DT/MX/XS
Parts Unlimited
$13.95Parts Unlimited - K284013 - Speedometer Cable - DT/MX/XSFeaturesMatches original equipment exactly for a perfect fit and is packaged with the OEM number as well as a PART #SpecsOverall Length Imperial35''TypeSpeedometerProduct NameCableRiding...$13.95 -
Parts Unlimited - Speedometer Cable - Yamaha
Parts Unlimited
$15.95Parts Unlimited - K284011 - Speedometer Cable - YamahaFeaturesMatches original equipment exactly for a perfect fit and is packaged with the OEM number as well as a PART #SpecsHousing Length Imperial32-5/8''Riding StyleStreetBase ColorBlackProduct...$15.95 -
Parts Unlimited - Front Fork Seals - 38 mm ID x 50 mm OD x 10.5 mm T
Parts Unlimited
$11.17Parts Unlimited - FS019 - Front Fork Seals - 38 mm ID x 50 mm OD x 10.5 mm TFeaturesMade to OEM specificationsMost performance models available in "NOK" anti-stiction material.SpecsThickness Metric10.50 mmInside Diameter Metric38.00 mmOutside Diameter...$11.17 -
Parts Unlimited - Front Fork Seals - 43 mm ID x 55 mm OD x 9.5 mm T
Parts Unlimited
$12.19Parts Unlimited - FS041 - Front Fork Seals - 43 mm ID x 55 mm OD x 9.5 mm TFeaturesMade to OEM specificationsMost performance models available in "NOK" anti-stiction material.SpecsOutside Diameter Metric55.00 mmUnitsPairRiding StyleOff-RoadInside...$12.19 -
Parts Unlimited - Front Fork Seals - 40 mm ID x 52 mm OD x 8 mm T
Parts Unlimited
$12.19Parts Unlimited - FS021 - Front Fork Seals - 40 mm ID x 52 mm OD x 8 mm TFeaturesMade to OEM specificationsMost performance models available in "NOK" anti-stiction material.SpecsOutside Diameter Metric52.00 mmProduct NameSealRiding StyleStreetInside...$12.19 -
Parts Unlimited - Vinyl Covered Throttle Cable - '69-'75 TS250
Parts Unlimited
$17.95Parts Unlimited - K281515 - Vinyl Covered Throttle Cable - '69-'75 TS250FeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART #SpecsBase ColorBlackUnitsEachOverall Length...$17.95 -
Parts Unlimited - Front Fork Seals - 27 mm ID x 37 mm OD x 7.5 mm T
Parts Unlimited
$9.13Parts Unlimited - FS002 - Front Fork Seals - 27 mm ID x 37 mm OD x 7.5 mm TFeaturesMade to OEM specificationsMost performance models available in "NOK" anti-stiction material.SpecsRiding StyleStreetRiding StyleOff-RoadProduct NameSealThickness Metric7.50...$9.13 -
Parts Unlimited - Front Fork Seals - 26 mm ID x 36 mm OD x 10.5 mm T
Parts Unlimited
$9.13Parts Unlimited - FS001 - Front Fork Seals - 26 mm ID x 36 mm OD x 10.5 mm TFeaturesMade to OEM specificationsMost performance models available in "NOK" anti-stiction material.SpecsTypeForkMaterialRubberProduct NameSealInside Diameter Metric26.00...$9.13 -
Parts Unlimited - Front Fork Seals - 34 mm ID x 46 mm OD x 10.5 mm T
Parts Unlimited
$11.17Parts Unlimited - FS008 - Front Fork Seals - 34 mm ID x 46 mm OD x 10.5 mm TFeaturesMade to OEM specificationsMost performance models available in "NOK" anti-stiction material.SpecsThickness Metric10.50 mmTypeForkRiding StyleStreetMaterialRubberProduct...$11.17 -
Parts Unlimited - Rear Sprocket - 47 Tooth - Yamaha
Parts Unlimited
$42.79Parts Unlimited - K223623 - Rear Sprocket - 47 Tooth - YamahaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in poly bags with our PART # and the OEM # clearly...$42.79 -
Parts Unlimited - Front Fork Seals - 31 mm ID x 43 mm OD x 12.5 mm T
Parts Unlimited
$11.17Parts Unlimited - FS030 - Front Fork Seals - 31 mm ID x 43 mm OD x 12.5 mm TFeaturesMade to OEM specificationsMost performance models available in "NOK" anti-stiction material.SpecsMaterialRubberOutside Diameter Metric43.00 mmTypeForkRiding...$11.17 -
Out of stock
Parts Unlimited - Rear Sprocket - 44 Tooth - Kawasaki
Parts Unlimited
$34.63Parts Unlimited - K223701K - Rear Sprocket - 44 Tooth - KawasakiFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in poly bags with our PART # and the OEM # clearly...$34.63 -
Out of stock
Parts Unlimited - Rear Sprocket - 39 Tooth - Yamaha
Parts Unlimited
$34.63Parts Unlimited - K223620 - Rear Sprocket - 39 Tooth - YamahaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in poly bags with our PART # and the OEM # clearly...$34.63 -
Parts Unlimited - Rear Sprocket - 32 Tooth - Yamaha
Parts Unlimited
$16.27Parts Unlimited - K223603K - Rear Sprocket - 32 Tooth - YamahaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in poly bags with our PART # and the OEM # clearly...$16.27 -
Parts Unlimited - Rear Sprocket - 45 Tooth - Yamaha
Parts Unlimited
$24.43Parts Unlimited - K223602 - Rear Sprocket - 45 Tooth - YamahaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in poly bags with our PART # and the OEM # clearly...$24.43 -
Parts Unlimited - Rear Sprocket - 48 Tooth - Honda/Yamaha
Parts Unlimited
$47.89Parts Unlimited - K223503D - Rear Sprocket - 48 Tooth - Honda/YamahaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in poly bags with our PART # and the OEM # clearly...$47.89 -
Out of stock
Parts Unlimited - Rear Sprocket - 40 Tooth - Honda/Yamaha
Parts Unlimited
$32.59Parts Unlimited - K223503A - Rear Sprocket - 40 Tooth - Honda/YamahaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in poly bags with our PART # and the OEM # clearly...$32.59 -
Parts Unlimited - Rear Sprocket - 50 Tooth - Honda/Yamaha
Parts Unlimited
$44.83Parts Unlimited - K223502V - Rear Sprocket - 50 Tooth - Honda/YamahaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in poly bags with our PART # and the OEM # clearly...$44.83 -
Parts Unlimited - Countershaft Sprocket - 17 Tooth - Kawasaki/Suzuki
Parts Unlimited
$16.27Parts Unlimited - K222770 - Countershaft Sprocket - 17 Tooth - Kawasaki/SuzukiFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitReplacement Part for OEM...$16.27 -
Parts Unlimited - Countershaft Sprocket - 15 Tooth - Kawasaki
Parts Unlimited
$23.41Parts Unlimited - K222798 - Countershaft Sprocket - 15 Tooth - KawasakiFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitReplacement Part for OEM...$23.41 -
Parts Unlimited - Countershaft Sprocket - 16 Tooth - Kawasaki/Suzuki
Parts Unlimited
$16.27Parts Unlimited - K222769 - Countershaft Sprocket - 16 Tooth - Kawasaki/SuzukiFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitReplacement Part for OEM...$16.27 -
Parts Unlimited - Countershaft Sprocket - 13 Tooth - Kawasaki/Yamaha
Parts Unlimited
$13.21Parts Unlimited - K222765 - Countershaft Sprocket - 13 Tooth - Kawasaki/YamahaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitReplacement Part for OEM Number(s):131441027SpecsChain...$13.21 -
Parts Unlimited - Countershaft Sprocket - 12 Tooth - Yamaha
Parts Unlimited
$8.11Parts Unlimited - K222676 - Countershaft Sprocket - 12 Tooth - YamahaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitReplacement Part for OEM Number(s):1741746120,9382212012SpecsRiding...$8.11 -
Parts Unlimited - Countershaft Sprocket - 17 Tooth - Honda
Parts Unlimited
$21.37Parts Unlimited - K222526 - Countershaft Sprocket - 17 Tooth - HondaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitReplacement Part for OEM Number(s):23801333000SpecsMaterialSteelRiding...$21.37 -
Out of stock
Parts Unlimited - Countershaft Sprocket - 18 Tooth - Honda
Parts Unlimited
$26.47Parts Unlimited - K222520 - Countershaft Sprocket - 18 Tooth - HondaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitReplacement Part for OEM...$26.47 -
Out of stock
Parts Unlimited - Countershaft Sprocket - 16 Tooth - Honda
Parts Unlimited
$18.31Parts Unlimited - K222525 - Countershaft Sprocket - 16 Tooth - HondaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitReplacement Part for OEM...$18.31 -
Parts Unlimited - Speedometer Cable - Kawasaki/Suzuki
Parts Unlimited
$14.95Parts Unlimited - K289059 - Speedometer Cable - Kawasaki/SuzukiFeaturesMatches original equipment exactly for a perfect fit and is packaged with the OEM number as well as a PART #SpecsColor/FinishBlackHousing Length Imperial36''Riding StyleStreetProduct...$14.95 -
Parts Unlimited - Tachometer Cable - Honda
Parts Unlimited
$13.95Parts Unlimited - K287501 - Tachometer Cable - HondaFeaturesMatches original equipment exactly for a perfect fit and is packaged with the OEM number as well as a PART #SpecsColor/FinishBlackProduct NameCableRiding StyleAdventure Touring /...$13.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '74-'78 Honda XL/CT
Parts Unlimited
$13.95Parts Unlimited - K286539 - Vinyl Covered Throttle Cable - '74-'78 Honda XL/CTFeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART #SpecsColor/FinishFlatColor/FinishBlackRiding...$13.95 -
Parts Unlimited - Speedometer Cable - Honda
Parts Unlimited
$14.95Parts Unlimited - K287027 - Speedometer Cable - HondaFeaturesMatches original equipment exactly for a perfect fit and is packaged with the OEM number as well as a PART #SpecsHousing Length Imperial38-1/2''Product NameCableRiding StyleOff-RoadRiding...$14.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '71-'84 Honda 70/100
Parts Unlimited
$12.95Parts Unlimited - K286507 - Vinyl Covered Throttle Cable - '71-'84 Honda 70/100FeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART #SpecsColor/FinishSilverHousing Length...$12.95 -
Ngk Spark Plugs - 3797 - Iridium IX Spark Plug - CR8EHIX-9
NGK Spark Plugs
$14.95Ngk Spark Plugs - CR8EHIX9 - Iridium IX Spark Plug - CR8EHIX-9FeaturesThe iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrodeUltra-small diameter center electrode reduces voltage...$14.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '83-'87 Honda XL/XR
Parts Unlimited
$13.95Parts Unlimited - K286507E - Vinyl Covered Throttle Cable - '83-'87 Honda XL/XRFeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART #SpecsProduct NameCableBase ColorBlackHousing...$13.95
High Performance Dirt Bike and Motocross Components
Every piece of your dirt bike contributes to how confidently you ride. Upgrading to better engine parts, clutch components, and fuel system pieces gives you stronger acceleration and cleaner throttle response when the track gets rough. Suspension upgrades like fork springs, seals, shock components, and linkage parts help your bike stay predictable through whoops, ruts, and landings. Controls matter just as much, so riders improve their cockpit with new handlebars, grips, levers, and foot pegs that boost comfort and precision at high speed.
Performance braking and drive components can completely transform how a dirt bike handles. Rotors, pads, chains, sprockets, wheel bearings, and hardware all play a role in keeping traction consistent and stopping power reliable. Even routine maintenance items like air filters, spark plugs, fluids, cables, and gaskets impact how well your bike performs under load. Quality parts help you ride longer, harder, and with more confidence, whether you are chasing lap times or carving your favorite trails.
Our goal is simple. Give riders access to dirt bike parts that hold up to real riding conditions and deliver true performance gains. When you twist the throttle, charge a jump, or slam into a corner, you should trust that every component on your bike can take the hit and keep going. Explore our full lineup of dirt bike and motocross parts and build a machine that is ready for whatever you throw at it.