Dirt Bike Parts
10000 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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Motion Pro - 01-0105 - Cable Housing - 6 mm
Motion Pro
$59.99Motion Pro - BA01105 - Cable Housing - 6 mmFeaturesSpecsColor/FinishBlack$59.99 -
Parts Unlimited - Universal Kill Switch
Parts Unlimited
$15.85Parts Unlimited - 600173 - Universal Kill SwitchFeaturesSpecsMaterialAluminum$15.85 -
Ngk Spark Plugs - 5238 - Spark Plug - R5671A-9
NGK Spark Plugs
$11.95Ngk Spark Plugs - R5671A9 - Spark Plug - R5671A-9FeaturesPure alumina silicate ceramic insulator, provides superior strength and better heat transferTriple seals prevent leakageCorrugated ribs...$11.95 -
Parts Unlimited - Replacement Brake Lever - Polished
Parts Unlimited
$7.37Parts Unlimited - 44455 - Replacement Brake Lever - PolishedFeaturesEach replacement lever is labeled for easy identificationReplacement Part for OEM Number(s):23X8392200Specs$7.37 -
Ngk Spark Plugs - 5583 - Spark Plug - R6254E-9
NGK Spark Plugs
$14.95Ngk Spark Plugs - R6254E9 - Spark Plug - R6254E-9FeaturesPure alumina silicate ceramic insulator, provides superior strength and better heat transferTriple seals prevent leakageCorrugated ribs...$14.95 -
Ngk Spark Plugs - 3653 - Spark Plug - IMR8C-9H
NGK Spark Plugs
$25.95Ngk Spark Plugs - 21030013 - Spark Plug - IMR8C-9HFeaturesTrivalent metal plating for superior anti-corrosion and anti-seizing propertiesOutstanding acceleration, high fuel efficiency and...$25.95 -
Parts Unlimited - Battery - RCB4-LA
Parts Unlimited
$41.95Parts Unlimited - RCB4LA - Battery - RCB4-LAFeaturesParts Unlimited Heavy-Duty batteries are built to the same exacting specifications and quality-control standards as top brand-name Japanese...$41.95 -
Parts Unlimited - Battery - RCB10L-B2
Parts Unlimited
$66.95Parts Unlimited - RCB10LB2 - Battery - RCB10L-B2FeaturesParts Unlimited Heavy-Duty batteries are built to the same exacting specifications and quality-control standards as top brand-name Japanese...$66.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '74-'76 Yamaha DT
Parts Unlimited
$14.95Parts Unlimited - K284519 - Vinyl Covered Throttle Cable - '74-'76 Yamaha DTFeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART...$14.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '69-'73 Yamaha
Parts Unlimited
$16.95Parts Unlimited - K284506 - Vinyl Covered Throttle Cable - '69-'73 YamahaFeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART...$16.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '68-'73 Yamaha
Parts Unlimited
$14.95Parts Unlimited - K284502 - Vinyl Covered Throttle Cable - '68-'73 YamahaFeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART...$14.95 -
Ngk Spark Plugs - 3949 - Spark Plug - R6254E-105
NGK Spark Plugs
$14.95Ngk Spark Plugs - R6254E105 - Spark Plug - R6254E-105FeaturesPure alumina silicate ceramic insulator, provides superior strength and better heat transferTriple seals prevent leakageCorrugated ribs...$14.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '71-'77 Suzuki 125/185
Parts Unlimited
$25.95Parts Unlimited - K281502 - Vinyl Covered Throttle Cable - '71-'77 Suzuki 125/185FeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our...$25.95 -
Parts Unlimited - Black Vinyl Brake Cable - Suzuki
Parts Unlimited
$15.95Parts Unlimited - K280515 - Black Vinyl Brake Cable - SuzukiFeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART #Specs$15.95 -
Parts Unlimited - Speedometer Cable - GS/PE
Parts Unlimited
$13.95Parts Unlimited - K280311 - Speedometer Cable - GS/PEFeaturesMatches original equipment exactly for a perfect fit and is packaged with the OEM number as well as a PART #Specs$13.95 -
Parts Unlimited - Rear Sprocket - 45 Tooth - Kawasaki
Parts Unlimited
$42.35Parts Unlimited - K223702G - Rear Sprocket - 45 Tooth - KawasakiFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in...$42.35 -
Parts Unlimited - Rear Sprocket - 50 Tooth - Kawasaki
Parts Unlimited
$28.57Parts Unlimited - K223724 - Rear Sprocket - 50 Tooth - KawasakiFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in...$28.57 -
Parts Unlimited - Tachometer Cable - TC/TS/GT/Rotary
Parts Unlimited
$17.95Parts Unlimited - K280704 - Tachometer Cable - TC/TS/GT/RotaryFeaturesMatches original equipment exactly for a perfect fit and is packaged with the OEM number as well as a PART #Specs$17.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '79-'84 XL100S/125S
Parts Unlimited
$11.95Parts Unlimited - K286504F - Vinyl Covered Throttle Cable - '79-'84 XL100S/125SFeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our...$11.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '69-'72 SL/XL100
Parts Unlimited
$15.95Parts Unlimited - K286505 - Vinyl Covered Throttle Cable - '69-'72 SL/XL100FeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART...$15.95 -
Parts Unlimited - Rear Sprocket - 44 Tooth - Yamaha
Parts Unlimited
$28.57Parts Unlimited - K223602L - Rear Sprocket - 44 Tooth - YamahaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in...$28.57 -
Parts Unlimited - Countershaft Sprocket - 14 Tooth - Kawasaki/Suzuki
Parts Unlimited
$14.79Parts Unlimited - K222767 - Countershaft Sprocket - 14 Tooth - Kawasaki/SuzukiFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect...$14.79 -
Parts Unlimited - Speedometer Cable - GN/GS/GT/PE
Parts Unlimited
$14.95Parts Unlimited - K280313 - Speedometer Cable - GN/GS/GT/PEFeaturesMatches original equipment exactly for a perfect fit and is packaged with the OEM number as well as a PART #Specs$14.95 -
Parts Unlimited - Countershaft Sprocket - 15 Tooth - Kawasaki/Suzuki
Parts Unlimited
$14.79Parts Unlimited - K222768 - Countershaft Sprocket - 15 Tooth - Kawasaki/SuzukiFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect...$14.79 -
Parts Unlimited - Rear Sprocket - 40 Tooth - Suzuki
Parts Unlimited
$43.41Parts Unlimited - K223816 - Rear Sprocket - 40 Tooth - SuzukiFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitPackaged individually in...$43.41 -
Parts Unlimited - Countershaft Sprocket - 15 Tooth - Yamaha/Honda
Parts Unlimited
$7.37Parts Unlimited - K222678 - Countershaft Sprocket - 15 Tooth - Yamaha/HondaFeaturesAll match original equipment exactly and feature precision-machined splines and teeth for a perfect fitReplacement...$7.37 -
Parts Unlimited - Speedometer Cable - Kawasaki
Parts Unlimited
$15.95Parts Unlimited - K289013 - Speedometer Cable - KawasakiFeaturesMatches original equipment exactly for a perfect fit and is packaged with the OEM number as well as a PART #Specs$15.95 -
Parts Unlimited - Vinyl Covered Throttle Cable - '73-'75 XL250/350
Parts Unlimited
$17.95Parts Unlimited - K286521 - Vinyl Covered Throttle Cable - '73-'75 XL250/350FeaturesAll match the original equipment exactly for a perfect fit and are packaged with the OEM number as well as our PART...$17.95 -
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...$12.95 -
Parts Unlimited - Front Fork Seals - 45 mm ID x 57 mm OD x 11 mm T
Parts Unlimited
$17.95Parts 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.Specs$17.95 -
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...$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...$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...$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 #Specs$18.95 -
Parts Unlimited - Front Fork Seals - 33 mm ID x 45 mm OD x 11 mm T
Parts Unlimited
MSRP: $11.17$10.95Parts 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.SpecsMSRP: $11.17$10.95 -
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 #Specs$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 #Specs$15.95 -
Parts Unlimited - Front Fork Seals - 38 mm ID x 50 mm OD x 10.5 mm T
Parts Unlimited
MSRP: $11.17$10.95Parts 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.SpecsMSRP: $11.17$10.95 -
Parts Unlimited - Front Fork Seals - 43 mm ID x 55 mm OD x 9.5 mm T
Parts Unlimited
MSRP: $12.19$11.95Parts 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.SpecsMSRP: $12.19$11.95 -
Parts Unlimited - Front Fork Seals - 40 mm ID x 52 mm OD x 8 mm T
Parts Unlimited
MSRP: $12.19$11.95Parts 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.SpecsMSRP: $12.19$11.95
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.