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1999 KTM 400 SX Parts & Accessories

Fits Your Machine

Displaying parts for your 1999 KTM 400 SX

See stock sizes for this machine

  • Front Tire:80/100X21
  • Rear Tire:110/90x19
  • Front Sprocket:14 Tooth
  • Rear Sprocket:50 Tooth
  • Chain:520
  • Spark Plug:D8EA
Tusk Brake Pad - Sintered Metal$16.99MSRP: $24.99 You save 32%
Rated 4.43 out of five stars.★★★★⯪
Closeout ItemNeutron Brake Pad - Sintered Metal$8.99 – $10.99MSRP: $19.99 You save up to 55%
Rated 4.50 out of five stars.★★★★⯪
JT Rear Steel Sprocket$22.99 – $26.99
Rated 4.73 out of five stars.★★★★★
EBC Brake Pad - Sintered Metal "R" Series$34.89 – $37.93
Rated 4.66 out of five stars.★★★★⯪
Primary Drive Rear Steel Sprocket$21.99 – $23.99MSRP: $29.99 You save up to 27%
Rated 4.73 out of five stars.★★★★★
Tusk Handlebar Risers$19.99MSRP: $22.99 You save 13%
Rated 4.79 out of five stars.★★★★★
Tusk Stainless Steel Typhoon Brake Rotor, Rear$39.99MSRP: $99.99 You save 60%
Rated 4.83 out of five stars.★★★★★
Primary Drive Rear Aluminum Sprocket$39.99MSRP: $49.99 You save 20%
Rated 4.68 out of five stars.★★★★★
Tusk High Pressure Radiator Cap with Temperature Gauge$24.99MSRP: $29.99 You save 17%
Rated 4.24 out of five stars.★★★★☆
Acerbis Rear Fender$24.88MSRP: $29.95 You save 17%
Rated 4.75 out of five stars.★★★★★
Tusk Rear Aluminum Sprocket$39.99MSRP: $49.99 You save 20%
Rated 4.64 out of five stars.★★★★⯪
Primary Drive Sprocket Bolt and Nut Kit$6.99MSRP: $9.99 You save 30%
Rated 4.75 out of five stars.★★★★★
Twin Air - Air Box Washing Cover$35.99MSRP: $45.95 You save 22%
Rated 4.75 out of five stars.★★★★★
Tusk Oil Filler Plug$9.99MSRP: $14.99 You save 33%
Rated 4.83 out of five stars.★★★★★
Tusk T-10 Aluminum 7/8" Handlebar$37.99MSRP: $52.95 You save 28%
Rated 4.43 out of five stars.★★★★⯪
Tusk Stainless Steel Typhoon Brake Rotor, Front$39.99MSRP: $59.99 You save 33%
Rated 4.81 out of five stars.★★★★★
Tusk Magnetic Drain Bolt$7.49MSRP: $11.95 You save 37%
Rated 4.72 out of five stars.★★★★★
NGK Standard Sparkplug$3.49MSRP: $3.95 You save 12%
Rated 4.88 out of five stars.★★★★★
Tusk Steering Stem Bearing Kit$29.99MSRP: $36.99 You save 19%
Rated 4.69 out of five stars.★★★★★
Tusk Tach/Hour Meter$14.99MSRP: $22.99 You save 35%
Rated 4.62 out of five stars.★★★★⯪
Tusk Spoke Torque Wrench Kit$89.99MSRP: $109.99 You save 18%
Rated 4.69 out of five stars.★★★★★
Tusk Spark Plug Wrench$5.99MSRP: $7.99 You save 25%
Rated 4.77 out of five stars.★★★★★
Dirt Tricks Zirconium Rear Sprocket$125.99MSRP: $139.95 You save 10%
Rated 4.83 out of five stars.★★★★★
JT Racelite Aluminum Rear Sprocket$24.88 – $32.88MSRP: $27.20 – $35.93 You save up to 8%
Rated 4.88 out of five stars.★★★★★
Acerbis Side Panels$39.99MSRP: $52.95 You save 24%
Rated 4.67 out of five stars.★★★★★
Tusk Billet Aluminum Gas Cap$29.99MSRP: $34.99 You save 14%
Rated 4.72 out of five stars.★★★★★
Attack Graphics Number Plate Backgrounds$39.99MSRP: $44.99 You save 11%
Rated 4.68 out of five stars.★★★★★
Acerbis Chain Guide$22.88MSRP: $29.95 You save 24%
Rated 4.53 out of five stars.★★★★⯪
EBC Brake Pad - Carbon "X" Series$33.37 – $34.89
Rated 4.45 out of five stars.★★★★⯪
Pro X Brake Pad - Sintered Metal$27.33MSRP: $33.33 You save 18%
Rated 4.35 out of five stars.★★★★⯪
Tusk EZ Oil Drain Tool$9.99MSRP: $13.99 You save 29%
Rated 4.07 out of five stars.★★★★☆
All Balls Steering Stem Bearing Kit$35.55MSRP: $39.50 You save 10%
Rated 4.60 out of five stars.★★★★⯪
All Balls Rear Brake Master Cylinder Rebuild Kit$22.41MSRP: $24.90 You save 10%
Rated 4.83 out of five stars.★★★★★
Galfer Brake Pad - Sintered Double H$33.75MSRP: $37.50 You save 10%
Rated 4.62 out of five stars.★★★★⯪
Bolt KTM Copper Drain Plug Washer Kit$4.99
Rated 4.86 out of five stars.★★★★★
Tusk Rear Shock Seal Kit$42.99MSRP: $46.99 You save 9%
Rated 4.85 out of five stars.★★★★★
Shock Sox Fork Seal Guards$23.95 – $26.95MSRP: $26.99 – $28.99 You save up to 11%
Rated 4.28 out of five stars.★★★★☆
Tusk Aluminum Tire Iron with Axle Wrench$16.99MSRP: $22.99 You save 26%
Rated 4.65 out of five stars.★★★★⯪
All Balls Front Brake Caliper Rebuild Kit$24.71MSRP: $27.45 You save 10%
Rated 4.88 out of five stars.★★★★★
EBC Brake Pad - Sintered Double H$41.38MSRP: $43.56 You save 5%
Rated 4.74 out of five stars.★★★★★
Tusk Skid Plate Foam$10.95 – $11.95MSRP: $14.95 You save up to 27%
Rated 4.63 out of five stars.★★★★⯪
Bolt Hub-Savers Double Locked Sprocket Fastening Kit$10.99MSRP: $11.99 You save 8%
Rated 4.87 out of five stars.★★★★★
Tusk Nyloc Axle Nut$12.99MSRP: $19.99 You save 35%
Rated 4.71 out of five stars.★★★★★
Dirt Tricks Front Sprocket$40.99MSRP: $44.95 You save 9%
Rated 4.90 out of five stars.★★★★★
Polisport Front Number Plate$19.88MSRP: $29.99 You save 34%
Rated 4.80 out of five stars.★★★★★
Tusk Titanium Sprocket Bolt Kit$39.99MSRP: $48.99 You save 18%
Rated 5.00 out of five stars.★★★★★
Tusk Racer Axle Wrench$14.99MSRP: $17.99 You save 17%
Rated 4.52 out of five stars.★★★★⯪
ProTaper SE 7/8" Handlebar$76.88
Rated 4.79 out of five stars.★★★★★
Polisport Front Fender$22.88MSRP: $29.99 You save 24%
Rated 4.61 out of five stars.★★★★⯪
Tusk Aluminum Tire Iron with Axle Wrench Kit$30.99MSRP: $45.98 You save 33%
Rated 4.37 out of five stars.★★★★⯪
Polisport Chain Guide$19.75MSRP: $21.99 You save 10%
Rated 4.37 out of five stars.★★★★⯪
Tusk Front Brake Caliper Rebuild Kit$18.99MSRP: $24.99 You save 24%
Rated 4.89 out of five stars.★★★★★
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