Kawasaki KLX400 Parts & Accessories

Everything we stock that fits the Kawasaki KLX400 (2003–2007): 29 parts, each verified against manufacturer fitment data, grouped by category. Prices and stock are live. Not sure on year or trim? Use the bike finder to confirm your exact match.

Brakes for the Kawasaki KLX400

Master Cylinder Rebuild Kit — Can-Am DS650Master Cylinder Rebuild Kit — Can-Am DS650 $28.31 Master Cylinder Rebuild Kit — Gas-Gas EC200Master Cylinder Rebuild Kit — Gas-Gas EC200 $28.31 Master Cylinder Rebuild Kit — Gas-Gas EC250Master Cylinder Rebuild Kit — Gas-Gas EC250 $28.31 Brake Caliper Rebuild Kit — Gas-Gas EC125Brake Caliper Rebuild Kit — Gas-Gas EC125 $31.23 Brake Caliper Rebuild Kit — Gas-Gas EC125 (2007)Brake Caliper Rebuild Kit — Gas-Gas EC125 (2007) $31.23 Brake Caliper Bolt Kit — Gas-Gas EC125Brake Caliper Bolt Kit — Gas-Gas EC125 $10.90 Brake Caliper Bolt Kit — Beta RC 4T 450 (2025) +Brake Caliper Bolt Kit — Beta RC 4T 450 (2025) + $10.37 Brake Caliper Piston Kit — Gas-Gas EC125Brake Caliper Piston Kit — Gas-Gas EC125 $43.94 Brake Caliper Piston Kit — Gas-Gas EC125Brake Caliper Piston Kit — Gas-Gas EC125 $26.57

Drivetrain for the Kawasaki KLX400

EBC Clutch Friction Plate Kit — CKF3433EBC Clutch Friction Plate Kit — CKF3433 $154.56 Renthal Front Sprocket Grooved 14T — Kawasaki/Yamaha — (PN 252--520-14GP)Renthal Front Sprocket Grooved 14T — Kawasaki/Yamaha — (PN 252--520-14GP) $34.16 Renthal Front Sprocket Grooved 15T — Kawasaki/Yamaha — (PN 252--520-15GP)Renthal Front Sprocket Grooved 15T — Kawasaki/Yamaha — (PN 252--520-15GP) $34.16 Wheel Bearing Kit — Yamaha YFM110 Grizzly (2025)Wheel Bearing Kit — Yamaha YFM110 Grizzly (2025) $32.65 Wheel Bearing Kit — Kawasaki KLX400R (2003) + 8Wheel Bearing Kit — Kawasaki KLX400R (2003) + 8 $33.49

Suspension for the Kawasaki KLX400

Fork Oil Seal Kit — BMW R18 (2021-2025) + 141Fork Oil Seal Kit — BMW R18 (2021-2025) + 141 $18.60 Fork Dust Seal Kit — BMW R18 (2021-2025) + 95Fork Dust Seal Kit — BMW R18 (2021-2025) + 95 $19.87 Fork Bushing Kit — Kawasaki KLX400R (2003) + 7Fork Bushing Kit — Kawasaki KLX400R (2003) + 7 $58.45 Suspension Linkage Bearing Kit — Kawasaki/Suzuki (9 Models) — (PN 27-1043)Suspension Linkage Bearing Kit — Kawasaki/Suzuki (9 Models) — (PN 27-1043) $101.46 Swingarm Bearing Kit — Kawasaki KLX400R NON CASwingarm Bearing Kit — Kawasaki KLX400R NON CA $96.98 Fork Oil & Dust Seal Kit — BMW R18 (2021-2025) +Fork Oil & Dust Seal Kit — BMW R18 (2021-2025) + $38.50

Controls for the Kawasaki KLX400

Motion Pro Brake Lever — 14-9218Motion Pro Brake Lever — 14-9218 $26.99 Steering Stem Bearing Kit — Kawasaki KLX400RSteering Stem Bearing Kit — Kawasaki KLX400R $64.57

Exhaust for the Kawasaki KLX400

FMF S/s Powerbomb — Kawasaki KLX400R (2003-2004), Kawasaki KLX400SR (2003-2004) + 3 — (seeFMF S/s Powerbomb — Kawasaki KLX400R (2003-2004), Kawasaki KLX400SR (2003-2004) + 3 — (see $251.99 FMF Powercore 4 — Slip-On — Kawasaki KLX400SR (2003-2004), Suzuki DRZ400 (2006-2007) + 2FMF Powercore 4 — Slip-On — Kawasaki KLX400SR (2003-2004), Suzuki DRZ400 (2006-2007) + 2 $359.99 FMF Q4 — Kawasaki KLX400SR (2003-2004), Suzuki DRZ400 (2006-2007) + 2 — (seeFMF Q4 — Kawasaki KLX400SR (2003-2004), Suzuki DRZ400 (2006-2007) + 2 — (see $404.99 Big Gun EVO-R Header Pipe — Kawasaki KLX 400R (2003-2007), 4-StrokeBig Gun EVO-R Header Pipe — Kawasaki KLX 400R (2003-2007), 4-Stroke $687.99

Electrical for the Kawasaki KLX400

Yuasa Maintenance-Free 12V AGM BatteryYuasa Maintenance-Free 12V AGM Battery $109.99

Maintenance for the Kawasaki KLX400

Twin Air Standard Air Filter — Kawasaki KLX 400 R (2003-2004)Twin Air Standard Air Filter — Kawasaki KLX 400 R (2003-2004) $29.08 Hiflofiltro Oil Filter — HF139Hiflofiltro Oil Filter — HF139 $4.06

Fitment is anchored on the manufacturer's own application data and verified before it goes live. If you spot anything that looks off for your Kawasaki KLX400, tell us. Accuracy is the whole point.