KTM 450 SX parts (2003-2012)
230 parts listed for the KTM 450 SX, 184 of them in stock. Choose your year to see what fits it.
Looking for parts that fit your machine...

Kimpex Battery Maintenance Free AGM (913058)
Kimpex · 913058
$43.99
In stock

Hiflofiltro OE Replacement Oil Filter (HF155)
HIFLOFILTRO · HF155
$8.95
In stock

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

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

Hiflofiltro OE Replacement Air Filter (HFF5013)
HIFLOFILTRO · HFF5013
$35.95
In stock

Rock Hard Brake Pad (AT-05057)
ROCKHARD · 61-48035
$49.95
In stock

CST Ambush C9308 Tire
CST · 019110
$151.98
In stock

All Balls Fork Bushing Kit (38-6077)
ALL BALLS RACING · 38-6077
$104.95
In stock

Kimpex Handlebar Mirrors (102670)
Kimpex · 102670
$36.99
In stock

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

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

All Balls Carburetor Repair Kit (26-1520)
ALL BALLS RACING · 26-1520
$73.95
In stock

All Balls Clutch SLAVE Cylinder Kit (18-6009)
ALL BALLS RACING · 18-6009
$64.95
In stock

Namura Full Gasket Set (NA-70070F)
NAMURA · 70-97000
$139.95
In stock

Vertex Forged Replica Piston Kit (22942B)
VERTEX · 70-48410
$448.95
In stock

Psychic Clutch Kit (MX-03208H-1)
PSYCHIC · 21-91024
$134.95
In stock

Trailtech Endurance II Computer Kit (223116)
Trailtech · 223116
$249.99
In stock

Kimpex ATV Muff with Window (370290)
Kimpex · 370290
$89.99
In stock

Kimpex 30W Handlebar Grip Heater Kit (912025)
Kimpex · 912025
$80.99
In stock

Kolpin Collapsible Rear Drop Rack (002353)
Kolpin · 002353
$439.99
In stock

Namura Top End Gasket Set (NX-70070T)
NAMURA · 709016
$86.95
In stock

All Balls Master Cylinder Rebuild Kit (18-1028)
ALL BALLS RACING · 18-1028
$40.95
In stock

All Balls Carburetor Mid Body Gasket Kit (26-1511)
ALL BALLS RACING · 26-1511
$38.95
In stock

All Balls Carburetor Mid Body Gasket Kit (336768)
ALL BALLS RACING · 336768
$42.99
In stock

Vertex Exhaust Gasket Kit (823117)
VERTEX · 823117
$22.95
In stock

All Balls Rear Shock Seal Kit (37-1120)
ALL BALLS RACING · 37-1120
$97.95
In stock

Arrowhead Starter (410-54136)
ARROWHEAD · 74-44106
$231.95
In stock

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

Kimpex ATV Deluxe Thumb Warmer (902160)
Kimpex · 902160
$52.99
In stock

Vertex Valve Cover Gasket (817893)
VERTEX · 817893
$26.95
In stock

Kolpin Rhino Grip Flex 3.0 (358157)
Kolpin · 358157
$29.99
In stock

Pivot Works Waterproof Wheel Spacer Kit (PWFWC-T05-500)
PIVOT WORKS · 01-92002
$106.95
In stock

Kimpex Wheel Spacer (194002)
Kimpex · 194002
$134.99
In stock

Trailtech External Antenna for Voyager Pro (223170)
Trailtech · 223170
$66.99
In stock

Kolpin ATV Front Trail Box (002646)
Kolpin · 002646
$339.99
In stock

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

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

SBS Standard Brake Rotor (5205066100)
SBS · 5066
$139.95
In stock

All Balls Brake Pedal Rebuild Kit (206999)
ALL BALLS RACING · 206999
$64.99
In stock

Hot Cams Camshaft Chain Silent Kit (HC98XRH2015080)
HOTCAMS · 78-99000
$106.95
In stock

All Balls Float Bowl Gasket (46-5021)
ALL BALLS RACING · 46-5021
$16.95
In stock

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

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

Kolpin ATV Seat Cover 600 Denier (002495)
Kolpin · 002495
$54.99
In stock

Vertex Clutch Cover Gasket (816143)
VERTEX · 816143
$20.95
In stock

Emgo Lever (30-69532)
EMGO · 61-90501
$8.08$17.95
In stock

Hot Rods Connecting Rod Kit (8665)
HOT RODS · 72-96011
$300.95
In stock

All Balls Crankshaft Bearing Kit (24-1106)
ALL BALLS RACING · 24-1106
$270.95
In stock

Hot Cams Valve Exhaust Steel (8400038-1)
HOTCAMS · 78-97000
$88.95
In stock

Psychic Fuel Cock Repair Kit (MX-07657)
PSYCHIC · 6-290202
$15.95
In stock

All Balls Racing Hose and Clamp Kit (FS110-0128)
ALL BALLS RACING · 62-90886
$26.95
In stock

All Balls Racing Fuel Valve Kit (FS101-0170)
ALL BALLS RACING · 62-90811
$154.95
In stock

All Balls Fuel Tap Rebuild Kit (60-1014)
ALL BALLS RACING · 60-1014
$22.95
In stock

Vertex Ignition Cover Gasket (816144)
VERTEX · 816144
$11.95
In stock

Shorai LFX Battery (230039)
Shorai · 230039
$199.99
In stock

Kimpex Universal Muffler (418002)
Kimpex · 418002
$299.99
In stock

Vertex Engine Oil Seal Kit (822342)
VERTEX · 822342
$68.95
In stock

Namura Piston Ring (NX-70070R)
NAMURA · 70-92110
$36.95
In stock

Psychic Radiator Standard Set (XD-10040)
PSYCHIC · 71-95002
$299.95
In stock

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

Kolpin Trailtec Rack Pad Seat Cushion (002642)
Kolpin · 002642
$134.99
In stock

All Balls Racing Shock Bumper (37-1204)
ALL BALLS RACING · 37-1204
$38.95
In stock

Trailtech Speed Sensor Cable (204155)
Trailtech · 204155
$58.99
In stock

Arrowhead Starter Rebuild Kit (414-54049)
ARROWHEAD · 74-04918
$123.95
In stock

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

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

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

Fuelpax Gas Can (170448)
FUELPAX · 170448
$164.99
In stock

All Balls Throttle Control Cable (45-1043)
ALL BALLS RACING · 62-94000
$31.95
In stock

Kolpin Handy Throttle (358002)
Kolpin · 358002
$99.99
In stock

Namura MOTOCOSS Top End Gasket Kit (NX-70070K)
NAMURA · 70-99210
$359.95
In stock

Kolpin 3 Way Hitch 1-1/4" (002452)
Kolpin · 002452
$92.99
In stock

Kimpex Trunk Bracket on steel luggage rack (458099)
Kimpex · 458099
$53.99
In stock

Kolpin Rear Helmet Trunk (358008)
Kolpin · 358008
$459.99
In stock

Hot Cams Valve Shim Kit (HCSHIM00)
HOTCAMS · 78-09996
$134.95
In stock

Arrowhead Voltage Regulator (230-42022)
ARROWHEAD · 85-91001
$124.95
In stock

Vertex Water Pump Rebuild Kit (821318)
VERTEX · 821318
$49.95
In stock

Kimpex Battery Maintenance Free AGM (913113)
Kimpex · 913113
$74.99
In stock

Hiflofiltro OE Replacement Oil Filter (HF157)
HIFLOFILTRO · HF157
$8.95
In stock

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

All Balls Wheel Bearing Kit (25-1402)
ALL BALLS RACING · 25-1402
$51.95
In stock

Hiflofiltro OE Replacement Air Filter (HFF5016)
HIFLOFILTRO · HFF5016
$35.95
In stock

Rock Hard Semi-Metallic Brake Pad (AT-05263)
ROCKHARD · 61-98006
$19.95
In stock

CST Ambush C9309 Tire
CST · 019119
$164.98
In stock

All Balls Fork Oil & Dust Seal Kit (56-146)
ALL BALLS RACING · 56-146
$56.95
In stock

Kimpex Handlebar Mirrors (without bushing) (165138)
Kimpex · 165138
$37.99
In stock

All Balls Shock Bearing Kit (27-1089)
ALL BALLS RACING · 27-1089
$87.95
In stock

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

All Balls Carburetor Repair Kit (26-1521)
ALL BALLS RACING · 26-1521
$86.95
In stock

All Balls Master Cylinder Rebuild Kit (18-4001)
ALL BALLS RACING · 18-4001
$56.95
In stock

Vertex ATV/UTV Gasket Set (808931)
VERTEX · 808931
$179.95
In stock

Vertex Forged Replica Piston Kit (23342B)
VERTEX · 70-98430
$414.95
In stock

Psychic Clutch Kit (MX-03235H-1)
PSYCHIC · 21-91006
$109.95
In stock

Trailtech Surface Mount TTO Computer Kit (223016)
Trailtech · 223016
$91.99
In stock

Kimpex Handlebar Standard Muff (270261)
Kimpex · 270261
$39.99
In stock

Kimpex Handlebar Grip Heater and Thumb Warmer Kit (937160)
Kimpex · 937160
$154.99
In stock

Kolpin Convertible Rear Drop Rack (002477)
Kolpin · 002477
$429.99
In stock

Vertex Top End Gasket Set (810318)
VERTEX · 810318
$128.95
In stock

All Balls Master Cylinder Rebuild Kit (18-1029)
ALL BALLS RACING · 18-1029
$39.95
In stock

All Balls Carburetor Mid Body Gasket Kit (26-1512)
ALL BALLS RACING · 26-1512
$43.95
In stock

Kimpex Carburetor Mid Body Gasket Kit (162151)
Kimpex · 162151
$38.99
In stock

Vertex Exhaust Gasket Kit (823121)
VERTEX · 823121
$22.95
In stock

Pivot Works Shock Repair Kit (PWSHR-T03-000)
PIVOT WORKS · 05-94002
$212.95
In stock

Arrowhead Starter (410-58046)
ARROWHEAD · 74-94002
$313.95
In stock

All Balls Swing Arm Bearing & Seal Kit (206536)
ALL BALLS RACING · 206536
$106.99
In stock

Kimpex Electric Thumb Warmer 13.5 V (912021)
Kimpex · 912021
$45.99
In stock

Vertex Valve Cover Gasket (819056)
VERTEX · 819056
$12.95
In stock

Kolpin Rhino Grip Pro Double (358000)
Kolpin · 358000
$189.99
In stock

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

Kimpex Wheel Spacer (194006)
Kimpex · 194006
$174.99
In stock

Kimpex Battery Maintenance Free AGM High Performance (913170)
Kimpex · 913170
$59.99
In stock

Hiflofiltro OE Replacement Oil Filter (HF650)
HIFLOFILTRO · HF650
$13.50
In stock

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

All Balls Wheel Bearing Kit (25-1507)
ALL BALLS RACING · 25-1507
$87.95
In stock

Profilter Air Filter (MTX-5006-00)
PROFILTER · 68-94006
$42.95
In stock

Rock Hard Semi-Metallic Brake Pad (AT-05264)
ROCKHARD · 61-98005
$19.95
In stock

CST Pulse MX CS07 Tire (019147)
CST · 019147
$161.98
In stock

Pivot Works Fork & Dust Seal Kit (PWFSK-Z010)
PIVOT WORKS · 05-96502
$82.95
In stock

Kimpex True Vision Mirror (055055)
Kimpex · 055055
$67.99
In stock

All Balls Shock Bearing Kit (29-5059)
ALL BALLS RACING · 29-5059
$50.95
In stock

All Balls Swing Arm Bearing & Seal Kit (28-1168)
ALL BALLS RACING · 28-1168
$106.95
In stock

All Balls Extended Fuel Mix Screw (46-6001)
ALL BALLS RACING · 46-6001
$19.95
In stock

All Balls Master Cylinder Rebuild Kit (18-4004)
ALL BALLS RACING · 18-4004
$57.95
In stock

Vertex Gasket Set & Oil Seals (811318)
VERTEX · 811318
$271.95
In stock

Vertex Piston Kit (22942A)
VERTEX · 70-98130
$432.95
In stock

Psychic Clutch Kit (MX-03239H-1)
PSYCHIC · 21-91008
$134.95
In stock

Trailtech Universal Temperature Sensor (223176)
Trailtech · 223176
$98.99
In stock

Kolpin Geartector Hand Muffs (006088)
Kolpin · 006088
$84.99
In stock