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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- Qty in Cart
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- Price
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Works Connection - 21-700 - Rear Billet Brake Cover - Blue - Yamaha - Multiple Kawasaki/Yamaha Models
Works Connection
$31.95Works Connection - 17310024 - Rear Billet Brake Cover - Blue - YamahaFeaturesCNC Machined from billet aluminum to exacting specificationsCaps are polished to a mirror-finish prior to anodizing for a...$31.95 -
Works Connection - 24-020 - Aluminum Oil Filler Plug - Orange - Gas Gas/Husqvarna/KTM
Works Connection
$32.95Works Connection - 09500006 - Aluminum Oil Filler Plug - Orange - Gas Gas/Husqvarna/KTMFeaturesReplaces the stock plastic plugSealing O-ring includedAnodized finishMade in the USASpecs$32.95 -
Works Connection - 25-033 - Rear Caliper Guard - Yamaha - Multiple Honda/Yamaha Models
Works Connection
$36.95Works Connection - 17010077 - Rear Caliper Guard - YamahaFeaturesAdd strength and a cool lookSpecsUnits$36.95 -
Works Connection - 25-030 - Rear Caliper Guard - YZ/WR
Works Connection
$36.95Works Connection - 25030 - Rear Caliper Guard - YZ/WRFeaturesAdd strength and a cool lookSpecsColor/Finish<$36.95 -
Works Connection - 25-022 - Rear Caliper Guard - RMZ/KXF250 - Honda CR, CRF & More
Works Connection
$36.95Works Connection - 17010025 - Rear Caliper Guard - RMZ/KXF250FeaturesAdd strength and a cool lookSpecsProduct Na$36.95 -
Wsm - 006-590 - Replacement Washable Air Filter - Yamaha
Wsm
$144.91Wsm - 10112870 - Replacement Washable Air Filter - YamahaFeaturesWashable and reusable to maximize performance and budgetOEM stock replacement air filtersReplacement Part for OEM...$144.91 -
Wsm - 003-174 - Drive Shaft - Yamaha 650/700/760
Wsm
$324.88Wsm - 48090131 - Drive Shaft - Yamaha 650/700/760FeaturesReplacement Part for OEM Number(s):6R84551100,6R8455110000Specs$324.88 -
Works Connection - 24-190 - Aluminum Oil Filler Plug - Red - Kawasaki/Suzuki
Works Connection
$32.95Works Connection - 09500007 - Aluminum Oil Filler Plug - Red - Kawasaki/SuzukiFeaturesReplaces the stock plastic plugSealing O-ring includedAnodized finishMade in the USASpecs$32.95 -
Works Connection - 24-001 - Aluminum Oil Filler Plug - Red - Honda/Kawasaki/Suzuki/Yamaha
Works Connection
$32.95Works Connection - 09500056 - Aluminum Oil Filler Plug - Red - Honda/Kawasaki/Suzuki/YamahaFeaturesReplaces the stock plastic plugSealing O-ring includedAnodized finishMade in the USASpecs$32.95 -
Works Connection - 24-070 - Aluminum Oil Filler Plug - Red - Honda/Kawasaki/Yamaha
Works Connection
$32.95Works Connection - 09500009 - Aluminum Oil Filler Plug - Red - Honda/Kawasaki/YamahaFeaturesReplaces the stock plastic plugSealing O-ring includedAnodized finishMade in the USASpecs$32.95 -
Works Connection - 24-508 - Engine Timing Plug - Red - Honda
Works Connection
$46.95Works Connection - 09500092 - Engine Timing Plug - Red - HondaFeaturesSimple positive installation with an Allen wrenchSet of two plugs replaces the stock plugsPolished to a mirror finish prior to...$46.95 -
Works Connection - 24-503 - Engine Timing Plug - Blue - Fits Honda 2007-2023 CRF150R, 2003-2017 CRF230F, 2010-2017 CRF250R, 2002-2016 CRF450R, 2005-2017 CRF450X
Works Connection
$46.95Works Connection - 09500091 - Engine Timing Plug - Blue - HondaFeaturesSimple positive installation with an Allen wrenchSet of two plugs replaces the stock plugsPolished to a mirror finish prior to...$46.95 -
Wsm - 010-972-04 - Piston Rings - 76.15 mm - Yamaha
Wsm
$44.03Wsm - 09110015 - Piston Rings - 76.15 mm - YamahaFeaturesSpecsBore - Oversize Metric+0.25 mm$44.03 -
Wsm - 006-594 - Replacement Washable Air Filter - Yamaha
Wsm
$88.98Wsm - 10112872 - Replacement Washable Air Filter - YamahaFeaturesWashable and reusable to maximize performance and budgetOEM stock replacement air filtersReplacement Part for OEM...$88.98 -
Works Connection - 10-038 - MX Skid Plate - Honda - CR250R
Works Connection
$97.95Works Connection - 10038 - MX Skid Plate - Honda - CR250RFeaturesCNC-machined from aircraft-grade 6061 T-6 aluminumSpecific design and fit for each make and modelProtects frame railsOil drain access...$97.95 -
Wsm - 006-592 - Replacement Washable Air Filter - Yamaha
Wsm
$93.14Wsm - 10112871 - Replacement Washable Air Filter - YamahaFeaturesWashable and reusable to maximize performance and budgetOEM stock replacement air filtersReplacement Part for OEM...$93.14 -
Works Connection - 10-022 - MX Skid Plate - Honda - CR125
Works Connection
$97.95Works Connection - 10022 - MX Skid Plate - Honda - CR125FeaturesCNC-machined from aircraft-grade 6061 T-6 aluminumSpecific design and fit for each make and modelProtects frame railsOil drain access...$97.95 -
Yuasa - YUAM6219BL - AGM Battery - YT19BL-BS
Yuasa
$206.95Yuasa - 21130360 - AGM Battery - YT19BL-BSFeaturesSpecsTypeAGM Maintenance Free$206.95 -
Wsm - 003-402 - Bearing Housing - Jet Pump/Impeller Shaft - Yamaha 650
Wsm
$130.94Wsm - 48090215 - Bearing Housing - Jet Pump/Impeller Shaft - Yamaha 650FeaturesComplete assemblies sold separately.Replacement Part for OEM Number(s):6R745332019M,6R745332029MSpecs$130.94 -
Wsm - 003-614-01 - Jet Pump Repair Kit - Kawasaki
Wsm
$82.76Wsm - 48090219 - Jet Pump Repair Kit - KawasakiFeaturesSpecsUnitsKitRi$82.76 -
Wsm - 004-119-02 - Safety Switch - Sea-Doo
Wsm
$86.90Wsm - 21060208 - Safety Switch - Sea-DooFeaturesSpecsFor MakeSea-DooRi$86.90 -
Wsm - 003-408 - Bellow w/Bearing - Oil Pump/Replacement
Wsm
$117.33Wsm - 48090218 - Bellow w/Bearing - Oil Pump/ReplacementFeaturesReplacement Part for OEM Number(s):420832753Specs$117.33 -
Wsm - 003-404 - Bearing Housing - Jet Pump/Impeller Shaft - Yamaha VX WaveRunner
Wsm
$109.70Wsm - 48090217 - Bearing Housing - Jet Pump/Impeller Shaft - Yamaha VX WaveRunnerFeaturesComplete assemblies sold separately.Replacement Part for OEM Number(s):6D3453320094Specs$109.70 -
Wsm - 003-400 - Bearing Housing - Jet Pump/Impeller Shaft - Yamaha 700
Wsm
$132.49Wsm - 48090214 - Bearing Housing - Jet Pump/Impeller Shaft - Yamaha 700FeaturesComplete assemblies sold separately.Replacement Part for OEM Number(s):61X45332009M,999990264300Specs$132.49 -
Wsm - 003-351 - Drive Shaft Bumper - Each
Wsm
$6.83Wsm - 48090213 - Drive Shaft Bumper - EachFeaturesReplacement Part for OEM Number(s):272000173SpecsProduct Name<$6.83 -
Wsm - 003-402-01 - Complete Assembly - Jet Pump/Impeller Shaft - Yamaha 650
Wsm
$171.85Wsm - 48090216 - Complete Assembly - Jet Pump/Impeller Shaft - Yamaha 650FeaturesReplacement Part for OEM Number(s):6R745332019M,6R745332029MSpecs$171.85 -
Wsm - 006-551 - Oil Pump Screen - Sea-Doo
Wsm
$13.71Wsm - 07120293 - Oil Pump Screen - Sea-DooFeaturesReplacement Part for OEM Number(s):420856520SpecsColor/Finish<$13.71 -
Wsm - 010-495-05 - Power Valve Rubber Boot - Sea Doo
Wsm
$18.53Wsm - 09500473 - Power Valve Rubber Boot - Sea DooFeaturesReplacement Part for OEM Number(s):420260723SpecsRidin$18.53 -
Wsm - 010-824-12P - Top-End Rebuild Kit - 84.50 mm - Platinum Series - Yamaha
Wsm
$531.85Wsm - 09030750 - Top-End Rebuild Kit - 84.50 mm - Platinum Series - YamahaFeaturesIncludes pistons, rings, pins, clips, racing needle bearings, head and base gaskets, intake and exhaust gasketsSpecs$531.85 -
Wsm - 010-1060WSM - Crankshaft - 1503 4-Tech Models
Wsm
$802.26Wsm - 09210485 - Crankshaft - 1503 4-Tech ModelsFeaturesRebuildableCrankshaft onlyFor 4-stroke models.Replacement Part for OEM Number(s):420819078,421000670Specs$802.26 -
Wsm - 010-096 - Oil Pump Cover - Sea-Doo
Wsm
$30.99Wsm - 09320085 - Oil Pump Cover - Sea-DooFeaturesReplacement Part for OEM Number(s):290811590,420811590,420811591Specs$30.99 -
Yuasa - YUAM7230LPW - AGM Battery - YIX30L-PW
Yuasa
$233.95Yuasa - 21130320 - AGM Battery - YIX30L-PWFeaturesSpecsColor/FinishBlack$233.95 -
Wsm - 010-1028-01WSM - Crankshaft Assembly - Yamaha - 1200/1300 Power Valve
Wsm
$1,165.75Wsm - 09210484 - Crankshaft Assembly - Yamaha - 1200/1300 Power ValveFeaturesTrued to OEM specificationsMulti-cylinder applications includes main bearingsRebuildableReady for installationKit includes...$1,165.75 -
Wsm - 010-1028WSM - Crankshaft Assembly - Yamaha - 800
Wsm
$908.90Wsm - 09210483 - Crankshaft Assembly - Yamaha - 800FeaturesTrued to OEM specificationsMulti-cylinder applications includes main bearingsRebuildableReady for installationKit includes crankshaft, all...$908.90 -
Works Connection - 10-109 - MX Skid Plate - Kawasaki - KX 85/100
Works Connection
$97.95Works Connection - 05060771 - MX Skid Plate - Kawasaki - KX 85/100FeaturesCNC-machined from aircraft-grade 6061 T-6 aluminumSpecific design and fit for each make and modelProtects frame railsOil...$97.95 -
Works Connection - 12-302 - Pro Launch Start Device - Red - Fits Kawasaki 2014-2021 KX100, 2022-2025 KX112
Works Connection
$159.95Works Connection - 04500261 - Pro Launch Start Device - Red - KawasakiFeaturesSpring-less design delivers positive engagement and consistent releaseEasily set by rider start triggerLightweight,...$159.95 -
Wsm - 003-110K - Ring - Drive Shaft - Carbon - Kit - Sea Doo
Wsm
$80.29Wsm - 48090225 - Ring - Drive Shaft - Carbon - Kit - Sea DooFeaturesHigh quality carbon materialExceeds OEM standardsReplacement Part for OEM Number(s):272000042,272000770Specs$80.29 -
Works Connection - 26-360 - Air Fork - EZ Fill - CRF450R '13-'14 - Fits 2013-2014 Honda CRF450R
Works Connection
$140.95Works Connection - 04040281 - Air Fork - EZ Fill - CRF450R '13-'14FeaturesCompatible with standard or oversize barsWorks with OEM and aftermarket bar mounts/positionsSimple, no modifications,...$140.95 -
Wsm - 003-110-02K - Ring - Drive Shaft - Carbon - Kit - Sea Doo
Wsm
$91.76Wsm - 48090224 - Ring - Drive Shaft - Carbon - Kit - Sea DooFeaturesHigh quality carbon materialExceeds OEM standardsReplacement Part for OEM Number(s):271001420Specs$91.76 -
Yuasa - YUAM720GZ - AGM Battery - GYZ20L
Yuasa
$210.95Yuasa - 21130282 - AGM Battery - GYZ20LFeaturesImproved charge recovery capability from a deeply discharged conditionLonger shelf lifeImproved life cycle performanceExtreme vibration...$210.95
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.