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2003 KTM 450 MXC 4-Stroke Parts & Accessories

Fits Your Machine

Displaying parts for your 2003 KTM 450 MXC 4-Stroke

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See stock sizes for this machine

  • Front Tire:80/100X21
  • Rear Tire:110/100X18
  • Front Sprocket:14 Tooth
  • Rear Sprocket:50 Tooth
  • Chain:520X118
  • Spark Plug:DCPR8E
  • Main jet:178
  • Pilot Jet:42
Renthal TwinRing Rear Sprocket$119.88 – $125.96MSRP: $132.95 – $139.95 You save 10%
Rated 4.72 out of five stars.★★★★★
Tusk Aluminum Pipe Guard$25.99MSRP: $35.99 You save 28%
Rated 4.27 out of five stars.★★★★☆
ProTaper Clamp-On Grip System - Half Waffle$28.49MSRP: $29.99 You save 5%
Rated 4.21 out of five stars.★★★★☆
Enduro Engineering Front Brake Disc Guard$109.95
Rated 4.85 out of five stars.★★★★★
Galfer Front Steel Braided Brake Line$58.50MSRP: $65.00 You save 10%
Rated 4.45 out of five stars.★★★★⯪
Warp 9 Titanium Rotor Bolt Kit$19.00
Rated 4.18 out of five stars.★★★★☆
KTM Complete Rear Wheel Bearing and Spacer Kit$93.43MSRP: $109.92 You save 15%
Rated 4.85 out of five stars.★★★★★
Factory Effex OEM Swing Arm Decals$12.88MSRP: $14.95 You save 14%
Rated 4.75 out of five stars.★★★★★
Tusk Solid Typhoon Mud Brake Rotor, Front$59.99MSRP: $79.99 You save 25%
Rated 4.67 out of five stars.★★★★★
Primary Drive Steel Kit & X-Ring Chain$91.53MSRP: $117.93 You save 22%
Rated 4.69 out of five stars.★★★★★
T.M. Designworks Factory Edition 1 Rear Chain Guide$99.95
Rated 4.74 out of five stars.★★★★★
Motion Pro DirtControl V2 Lock-On Grips$30.49MSRP: $33.45 You save 9%
Rated 5.00 out of five stars.★★★★★
Primary Drive 520 ADV/Street Performance Gold Chain$2.99 – $79.88MSRP: $3.95 – $95.95 You save up to 17%
Rated 4.50 out of five stars.★★★★⯪
Motion Pro Ringer Fork Seal Driver$52.99
Rated 4.88 out of five stars.★★★★★
KTM OEM Brake Rotor$111.72 – $118.55MSRP: $131.43 – $139.47 You save 15%
Enduro Engineering Trail Side Multi Tool$31.99MSRP: $34.95 You save 8%
Rated 4.88 out of five stars.★★★★★
TORC1 Racing Defy Lock On MX Grips$24.69 – $26.59MSRP: $25.99 – $27.99 You save 5%
Rated 4.41 out of five stars.★★★★⯪
Enduro Engineering Billet Shock Spanner Wrench$22.99MSRP: $24.95 You save 8%
Rated 4.40 out of five stars.★★★★⯪
Pivot Works Rear Wheel Bearing and Collar Kit$56.79MSRP: $78.73 You save 28%
Rated 4.09 out of five stars.★★★★☆
Mylers Silicone Radiator Hose Kit$74.99
Rated 4.00 out of five stars.★★★★☆
Vortex 520 Steel Rear Sprocket$58.61MSRP: $68.95 You save 15%
Rated 4.83 out of five stars.★★★★★
Pro X Aluminum Rear Sprocket$49.12MSRP: $64.63 You save 24%
Rated 4.78 out of five stars.★★★★★
PC Racing Quick Release Filter Skins$20.88
Rated 4.52 out of five stars.★★★★⯪
KTM OEM Brake Rotor Bolts$10.68MSRP: $12.54 You save 15%
JT Twinstar Hybrid Rear Sprocket$39.95MSRP: $43.75 You save 9%
Rated 5.00 out of five stars.★★★★★
Trail Tech Endurance II Speedometer/Computer$129.95
Rated 4.57 out of five stars.★★★★⯪
Primary Drive Alloy Kit & O-Ring Chain$97.57MSRP: $130.93 You save 25%
Rated 4.52 out of five stars.★★★★⯪
Pro X OEM Clutch Plate Set Friction$69.63MSRP: $80.97 You save 14%
Rated 4.85 out of five stars.★★★★★
Pro X Rear Sprocket Bolt Set$9.39MSRP: $10.92 You save 14%
Rated 4.62 out of five stars.★★★★⯪
Dirt Tricks Countershaft Dome Spring Washer$31.99MSRP: $34.95 You save 8%
Rated 4.60 out of five stars.★★★★⯪
Polisport Free Flow UFX Front Fender$32.88
Rated 4.57 out of five stars.★★★★⯪
Pivot Works Shock Bearing Kit$79.88MSRP: $104.99 You save 24%
Rated 4.16 out of five stars.★★★★☆
Factory Connection Heavy Duty Rubber Shock Bumper$24.95
Rated 5.00 out of five stars.★★★★★
EBC CX Extreme Rotor, Rear$84.70
Rated 4.60 out of five stars.★★★★⯪
KTM CNC Handlebar Riser Kit$47.99
Rated 4.83 out of five stars.★★★★★
Vortex 520 Aluminum Rear Sprocket$62.99 – $67.99MSRP: $72.95 – $78.95 You save 14%
Rated 4.74 out of five stars.★★★★★
Bullet Proof Designs Billet Foot Pegs$129.95
Rated 4.33 out of five stars.★★★★⯪
Warp 9 Titanium Sprocket Bolt Set$56.99
Rated 4.10 out of five stars.★★★★☆
Pro X Counter Shaft Seal Kit$21.66MSRP: $24.07 You save 10%
Rated 4.77 out of five stars.★★★★★
Kibblewhite Valve Spring Kit$149.88MSRP: $203.99 You save 27%
Rated 4.82 out of five stars.★★★★★
RK 520EXW Gold XW-RING Chain$8.06MSRP: $8.95 You save 10%
Rated 4.79 out of five stars.★★★★★
Tusk Rear Brake Pedal Rebuild Kit$34.99MSRP: $39.99 You save 13%
Rated 4.80 out of five stars.★★★★★
Pro X Piston Replacement Circlip$2.56MSRP: $2.88 You save 11%
Rated 4.76 out of five stars.★★★★★
KTM 520 ZST Z-Ring Chain$100.27 – $136.99
Rated 4.40 out of five stars.★★★★⯪
Pro X Steel Intake Valve$25.76MSRP: $33.89 You save 24%
Rated 5.00 out of five stars.★★★★★
IMS Pro-Series Foot Pegs$118.65
Rated 4.77 out of five stars.★★★★★
Works Connection Oil Filler Plug$29.66 – $29.95MSRP: $32.95 You save up to 10%
Rated 4.76 out of five stars.★★★★★
Trail Tech Complete Stator Kit$219.95
Rated 4.49 out of five stars.★★★★⯪
Bullet Proof Designs Easy Fill Funnel$18.99
Enduro Engineering Lower Right Fork Leg Guard $44.99MSRP: $49.95 You save 10%
Rated 4.82 out of five stars.★★★★★
TORC1 Racing Defy Lock On Enduro MX Grips$28.49MSRP: $29.99 You save 5%
Rated 4.25 out of five stars.★★★★☆
Acerbis X-Future Front Disc Cover with Mounting Kit$57.57 – $64.57MSRP: $71.90 – $78.90 You save up to 18%
Rated 4.83 out of five stars.★★★★★
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