KTM 300 SX parts (1993-2003, 2023-2027)
340 parts listed for the KTM 300 SX, 232 of them in stock. Choose your year to see what fits it.
Looking for parts that fit your machine...

Bridgestone Battlecross X10 Tire
Bridgestone · 037195
$215.98
In stock

JT 1901 Self-Cleaning Steel Front Sprockets (JTF1901.13SC)
JT SPROCKET · 24-F1901-13SC
$26.95
In stock

ASV INVENTIONS Clutch and Brake Lever Pair Pack (880043)
ASV INVENTIONS · 880043
$329.99
In stock

Rock Hard Semi-Metallic Brake Pad (MC-05553)
ROCKHARD · 61-08069
$20.95
In stock

Bridgestone Motocross/Off-Road Tire Tube
Bridgestone · 012045
$36.99
In stock

All Balls Wheel Bearing & Seal Kit (206485)
ALL BALLS RACING · 206485
$49.99
In stock

Sunstar Rear Steel Sprocket (460377)
Sunstar · 460377
$34.80$86.99
In stock

All Balls Countershaft Seal Kit (206927)
ALL BALLS RACING · 206927
$39.99
In stock

EBC "MXS" Moto-X Race Brake Pad (007566)
EBC · 007566
$85.99
In stock

Enduro Engineering Brake Rotor Guard (459438)
Enduro Engineering · 459438
$169.99
In stock

All Balls Swing Arm Bearing & Seal Kit (28-1087)
ALL BALLS RACING · 28-1087
$147.95
In stock

Hiflofiltro OE Replacement Air Filter (HFF5012)
HIFLOFILTRO · HFF5012
$35.95
In stock

All Balls Brake Rotor (337952)
ALL BALLS RACING · 337952
$123.99
In stock

Barkbusters Storm Plastic Guard
Barkbusters · 870079
$69.99
In stock

Vertex Inner Clutch Cover Gasket (816070)
VERTEX · 816070
$22.95
In stock

Cycra Disc Cover for Mount Kit (245487)
Cycra · 245487
$51.99
In stock

Enduro Engineering Fork Leg Guard (459270)
Enduro Engineering · 459270
$75.99
In stock

All Balls Rear Shock Bearing Kit (29-5066)
ALL BALLS RACING · 29-5066
$42.95
In stock

All Balls Fork & Dust Seal Kit (206602)
ALL BALLS RACING · 206602
$28.99
In stock

Polisport MX Complete Kit — KTM Plastic 143955
Polisport · 143955
$231.99
In stock

DRC/ZETA/UNIT Trigger Brake Pedal (428338)
DRC/ZETA/UNIT · 428338
$134.99
In stock

All Balls Brake Caliper Rebuild Kit (18-3046)
ALL BALLS RACING · 18-3046
$44.95
In stock

Emgo Brake Lever (30-69563)
EMGO · 61-90506
$4.48$9.95
In stock

All Balls Master Cylinder Rebuild Kit (18-1030)
ALL BALLS RACING · 18-1030
$70.95
In stock

Enduro Engineering 35mm Brake Pedal Tip (459194)
Enduro Engineering · 459194
$44.99
In stock

DRC/ZETA/UNIT Chain Guide — GAS GAS/HUSQVARNA/KTM
DRC/ZETA/UNIT · 428483
$134.99
In stock

Enduro Engineering EVO2 Handguard Mount Kit 50-5214B/S
Enduro Engineering · 459330
$104.99
In stock

All Balls Steering Bearing Kit (22-1026)
ALL BALLS RACING · 22-1026
$63.95
In stock

All Balls Shock Bearing Kits (209037)
ALL BALLS RACING · 209037
$53.99
In stock

Vertex Top End Gasket Set (8100072)
VERTEX · 8100072
$152.95
In stock

Vertex Water Pump Rebuild Kit (821008)
VERTEX · 821008
$62.95
In stock

Pivot Works Waterproof Wheel Spacer Kit (PWFWC-T08-500)
PIVOT WORKS · 01-92005
$107.95
In stock

All Balls Brake Master Cylinder Rebuild Kit (209448)
ALL BALLS RACING · 209448
$71.99
In stock

All Balls Chain Roller (79-5003)
ALL BALLS RACING · 79-5003
$32.95
In stock

Psychic Clutch Kit (MX-03550H)
PSYCHIC · 21-91010
$159.95
In stock

Emgo Lever (30-69562)
EMGO · 61-90505
$4.03$8.95
In stock

All Balls Master Cylinder Rebuild Kit (18-4000)
ALL BALLS RACING · 18-4000
$42.95
In stock

All Balls Countershaft Seal Kit (25-4004)
ALL BALLS RACING · 25-4004
$56.95
In stock

All Balls Crankshaft Bearing Kit (24-1098)
ALL BALLS RACING · 24-1098
$217.95
In stock

Hot Rods Crankshaft (HR00125)
HOT RODS · 72-05010
$728.95
In stock

VertexWinderosa Exhaust Gasket (287947)
VertexWinderosa · 287947
$22.99
In stock

Polisport Fender — KTM
Polisport · 142456
$38.99
In stock

DRC/ZETA/UNIT Max Foot Peg
DRC/ZETA/UNIT · 428549
$119.99
In stock

DRC/ZETA/UNIT Fork Top Bleeder — 228858
DRC/ZETA/UNIT · 228858
$33.99
In stock

All Balls Fork Oil & Dust Seal Kit (56-192)
ALL BALLS RACING · 56-192
$65.95
In stock

All Balls Quick Break Fuel Filter (47-3024)
ALL BALLS RACING · 47-3024
$52.95
In stock

All Balls Fuel Pump Rebuild Kit (47-2078)
ALL BALLS RACING · 47-2078
$129.95
In stock

All Balls Quick Break Fuel Pump Filter (337923)
ALL BALLS RACING · 337923
$53.99
In stock

Barkbusters Diamond Grip
Barkbusters · 870272
$24.99
In stock

Barkbusters Universal Hardware Kit - Tapered (870269)
Barkbusters · 870269
$199.99
In stock

Vertex Ignition Cover Gasket (816386)
VERTEX · 816386
$30.95
In stock

Polisport Ignition Cover Protector (256131)
Polisport · 256131
$50.99
In stock

ASV INVENTIONS Rotator Clamp - Front Brake
ASV INVENTIONS · 481083
$61.99
In stock

Enduro Engineering Exhaust Pipe Guard (459565)
Enduro Engineering · 459565
$429.99
In stock

Namura Piston Needle Bearing (09-B037-1)
NAMURA · 720-7010
$14.95
In stock

Namura Piston Kit (NX-70034)
NAMURA · 70-91190
$219.95
In stock

DRC/ZETA/UNIT Triangle Stand
DRC/ZETA/UNIT · 023051
$30.99
In stock

Enduro Engineering Throttle Body Guard (459254)
Enduro Engineering · 459254
$63.99
In stock

Enduro Engineering Radiator Brace (459121)
Enduro Engineering · 459121
$169.99
In stock

Enduro Engineering Radiator Guard
Enduro Engineering · 459135
$319.99
In stock

Psychic Radiator Standard Set (XD-10083)
PSYCHIC · 71-95004
$299.95
In stock

V-Force 4 Replacement Gasket (G426-K)
MOTO TASSINARI · 78-02102
$19.95
In stock

VForce4X Reed Valve System (341005)
VFORCE · 341005
$299.99
In stock

VFORCE4X Reed Valve Kit (V4X26AM)
MOTO TASSINARI · 78-90017
$289.95
In stock

Kimpex HD Starter Relay Solenoid Switch (286869)
Kimpex HD · 286869
$29.99
In stock

All Balls Rear Shock Seal Head Assemblies (209321)
ALL BALLS RACING · 209321
$93.99
In stock

All Balls Rear Shock Seal Kit (37-1127)
ALL BALLS RACING · 37-1127
$93.95
In stock

All Balls Racing Shock Bumper (37-1212)
ALL BALLS RACING · 37-1212
$38.95
In stock

Enduro Engineering Spark Arrestor End Cap (459554)
Enduro Engineering · 459554
$189.99
In stock

Arrowhead Starter Solenoid (240-54061)
ARROWHEAD · 74-00433
$22.95
In stock

Enduro Engineering Start/Stop Button (459592)
Enduro Engineering · 459592
$289.99
In stock

Pivot Works Steering Stem Bearing Kit (PWSSK-T01-521)
PIVOT WORKS · 05-98001
$107.95
In stock

DRC/ZETA/UNIT Fork Bolt Kit
DRC/ZETA/UNIT · 027293
$22.99
In stock

DRC/ZETA/UNIT Tire Lever with Wrench (023316)
DRC/ZETA/UNIT · 023316
$54.99
In stock

Enduro Engineering 4 in 1 Axle Wrench (459470)
Enduro Engineering · 459470
$45.99
In stock

Arrowhead Voltage Regulator (230-58226)
ARROWHEAD · 85-91000
$116.95
In stock

DRC/ZETA/UNIT Astelight Wheel Hub (027369)
DRC/ZETA/UNIT · 027369
$479.99
In stock

Enduro Engineering Wheel Spacer/Seal Converter Kit (459188)
Enduro Engineering · 459188
$61.99
In stock

Bridgestone BattleCross X20 Tire
Bridgestone · 112169
$220.98
In stock

JT 1901 Self-Cleaning Steel Front Sprockets (JTF1901.14SC)
JT SPROCKET · 24-F1901-14SC
$26.95
In stock

ASV INVENTIONS F4 Series Off-Road Brake Lever (480102)
ASV INVENTIONS · 480102
$169.99
In stock

Rock Hard Semi-Metallic Brake Pad (MC-05554)
ROCKHARD · 61-08066
$19.95
In stock

Bridgestone Motocross/Off-Road Tire Tube (012404)
Bridgestone · 012404
$75.99
In stock

All Balls Wheel Bearing Kit (25-1063)
ALL BALLS RACING · 25-1063
$29.95
In stock

Supersprox Drive Sprocket — GAS GAS/HUSABERG/HUSQVARNA/KTM/TRIUMPH Aluminum/Steel 48
Supersprox · 106869
$155.99
In stock

Namura Complete Gasket Set (NX-70034F)
NAMURA · 709977
$92.95
In stock

EBC "MXS" Moto-X Race Brake Pad (008580)
EBC · 008580
$85.99
In stock

Enduro Engineering Extreme Skid Plate (459082)
Enduro Engineering · 459082
$229.99
In stock

All Balls Swing Arm Bearing & Seal Kit (28-1125)
ALL BALLS RACING · 28-1125
$108.95
In stock

Profilter Air Filter (MTX-5007-02)
PROFILTER · 68-94009
$42.95
In stock

DRC/ZETA/UNIT Standard ZIGRAM Brake Rotor (027443)
DRC/ZETA/UNIT · 027443
$139.99
In stock

Barkbusters Tapered Ego Handguard
Barkbusters · 870040
$184.99
In stock

Vertex Inner Clutch Cover Gasket (816383)
VERTEX · 816383
$19.95
In stock

DRC/ZETA/UNIT Rear Brake Disc Guard
DRC/ZETA/UNIT · 428580
$149.99
In stock

Polisport Disc & Bottom Fork Protector (243799)
Polisport · 243799
$85.99
In stock

All Balls Rear Shock Bearing Kit (29-5068)
ALL BALLS RACING · 29-5068
$53.95
In stock

All Balls Fork Oil & Dust Seal Kit (206599)
ALL BALLS RACING · 206599
$58.99
In stock

Polisport MX Complete Kit — KTM Plastic 243029
Polisport · 243030
$231.99
In stock

DRC/ZETA/UNIT Trigger Brake Pedal (428722)
DRC/ZETA/UNIT · 428722
$134.99
In stock

All Balls Brake Caliper Rebuild Kit (18-3048)
ALL BALLS RACING · 18-3048
$44.95
In stock

Emgo Lever (30-69561)
EMGO · 61-90504
$4.03$8.95
In stock

All Balls Master Cylinder Rebuild Kit (18-1035)
ALL BALLS RACING · 18-1035
$56.95
In stock

Enduro Engineering 45mm Brake Pedal Tip (459193)
Enduro Engineering · 459193
$44.99
In stock

Psychic Chain Guide (MX-03439BK)
PSYCHIC · 24-08006
$49.95
In stock

Enduro Engineering Handguard Mounting Kit 53-1020 (459369)
Enduro Engineering · 459369
$91.99
In stock

All Balls Steering Bearing Kit (22-1081)
ALL BALLS RACING · 22-1081
$63.95
In stock

All Balls Swing Arm Bearing & Seal Kit (209021)
ALL BALLS RACING · 209021
$108.99
In stock

Vertex Top End Gasket Set (810306)
VERTEX · 810306
$44.95
In stock

Vertex Water Pump Rebuild Kit (821327)
VERTEX · 821327
$86.95
In stock

Pivot Works Waterproof Wheel Spacer Kit (PWRWC-T03-500)
PIVOT WORKS · 01-92503
$127.95
In stock

Bridgestone BattleCross X40 Tire
Bridgestone · 112138
$218.98
In stock

JT 1901 Self-Cleaning Steel Front Sprockets (JTF1901.15SC)
JT SPROCKET · 24-F1901-15SC
$28.95
In stock

ASV INVENTIONS F4 Series Off-Road Clutch Lever (480190)
ASV INVENTIONS · 480190
$164.99
In stock

SBS ATV/UTV Ceramic Brake Pad (6190671108)
SBS · 671HF
$54.95
In stock

Bridgestone Motocross/Off-Road Tire Tube (012489)
Bridgestone · 012489
$58.99
In stock

All Balls Wheel Bearing Kit (25-1273)
ALL BALLS RACING · 25-1273
$40.95
In stock

Supersprox Drive Sprocket (105970)
Supersprox · 105970
$70.99
In stock

Namura Full Gasket Set (NX-70109F)
NAMURA · 709966
$270.95
In stock

EBC “R“ Long Life Sintered Brake Pad (007576)
EBC · 007576
$70.99
In stock

Enduro Engineering Skid Plate (459027)
Enduro Engineering · 459027
$199.99
In stock

All Balls Swing Arm Linkage Bearing Kit (27-1217)
ALL BALLS RACING · 27-1217
$173.95
In stock

Profilter Ready-To-Use Replacement Air Filter (AFR-5007-02)
PROFILTER · 68-94109
$24.95
In stock

Kimpex HD Rotor made Carbon Steel (250702)
Kimpex HD · 250702
$92.99
In stock

Barkbusters Tapered Jet Handguard
Barkbusters · 870014
$174.99
In stock

Vertex Outer Clutch Cover Gasket (819267)
VERTEX · 819267
$9.95
In stock

Enduro Engineering Disc Guard (459292)
Enduro Engineering · 459292
$169.99
In stock

Polisport Fork Protector — GAS GAS/HUSQVARNA/KTM/Sherco 256866
Polisport · 256866
$64.99
In stock

Pivot Works Shock Thrust Bearing Kit (PWSHTB-T04-001)
PIVOT WORKS · 05-95001
$92.95
In stock