KTM 640 LC4 Parts & Accessories

Everything we stock that fits the KTM 640 LC4 (1998–2007): 27 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 KTM 640 LC4

Master Cylinder Rebuild Kit — Gas-Gas ES 700Master Cylinder Rebuild Kit — Gas-Gas ES 700 $28.07 Master Cylinder Rebuild Kit — Husaberg 450FCMaster Cylinder Rebuild Kit — Husaberg 450FC $28.31 Brake Caliper Rebuild Kit — Husaberg 450FCBrake Caliper Rebuild Kit — Husaberg 450FC $30.99 Brake Caliper Bolt Kit — Can-Am Outlander 1000Brake Caliper Bolt Kit — Can-Am Outlander 1000 $11.56 Brake Caliper Bolt Kit — Ducati DESMO 450 MXBrake Caliper Bolt Kit — Ducati DESMO 450 MX $15.49 Brake Caliper Piston Kit — Husaberg 450FCBrake Caliper Piston Kit — Husaberg 450FC $43.94 Brake Caliper Rebuild Kit — Husaberg 450FCBrake Caliper Rebuild Kit — Husaberg 450FC $30.99

Drivetrain for the KTM 640 LC4

Wheel Bearing Kit — KTM COMP Limited 620 (1997)Wheel Bearing Kit — KTM COMP Limited 620 (1997) $22.59 Wheel Bearing Kit — KTM Adventure 640Wheel Bearing Kit — KTM Adventure 640 $36.41 Wheel Bearing Kit — Husaberg 450FS-C (2004) + 31Wheel Bearing Kit — Husaberg 450FS-C (2004) + 31 $91.09 Wheel Bearing Kit — Beta RC 4T 450 (2025) + 356Wheel Bearing Kit — Beta RC 4T 450 (2025) + 356 $34.08 Wheel Bearing Kit — KTM Adventure 950Wheel Bearing Kit — KTM Adventure 950 $70.98

Suspension for the KTM 640 LC4

Fork Bushing Kit — Husaberg 450FC (2005) + 52Fork Bushing Kit — Husaberg 450FC (2005) + 52 $61.64 Fork Oil Seal Kit — Gas-Gas EC250 (2012) + 174Fork Oil Seal Kit — Gas-Gas EC250 (2012) + 174 $19.12 Fork Dust Seal Kit — Beta RR 2T 125 (2019-2023)Fork Dust Seal Kit — Beta RR 2T 125 (2019-2023) $19.50 Swingarm Bearing Kit — Gas-Gas MC85 1714Swingarm Bearing Kit — Gas-Gas MC85 1714 $102.33 Fork Oil & Dust Seal Kit — Gas-Gas EC125 — 5 Makes — (PN 56-146)Fork Oil & Dust Seal Kit — Gas-Gas EC125 — 5 Makes — (PN 56-146) $39.78

Controls for the KTM 640 LC4

Clutch Master Cylinder Rebuild Kit — KTMClutch Master Cylinder Rebuild Kit — KTM $49.80 Clutch Slave Cylinder Rebuild Kit — KTMClutch Slave Cylinder Rebuild Kit — KTM $44.89 Steering Stem Bearing Kit — Beta RR 2T 125Steering Stem Bearing Kit — Beta RR 2T 125 $44.60

Protection for the KTM 640 LC4

Chain Roller — 34-24mm — 5 Makes — (PN 79-5008)Chain Roller — 34-24mm — 5 Makes — (PN 79-5008) $21.33

Maintenance for the KTM 640 LC4

Twin Air Standard Air Filter — KTM 350 LC-4 (1993-1999), KTM 400 LC — 4Twin Air Standard Air Filter — KTM 350 LC-4 (1993-1999), KTM 400 LC — 4 $38.99 Twin Air Standard Air Filter — GasGas MC 65 (2021-2023), Husqvarna TC 65Twin Air Standard Air Filter — GasGas MC 65 (2021-2023), Husqvarna TC 65 $29.08 Twin Air Pre-Filter — GasGas MC 65 (2021-2023), Husqvarna TC 65 (2017-2023) +Twin Air Pre-Filter — GasGas MC 65 (2021-2023), Husqvarna TC 65 (2017-2023) + $21.99 Twin Air Standard Air Filter — GasGas MC 65 (2021-2023), Husqvarna TC 65Twin Air Standard Air Filter — GasGas MC 65 (2021-2023), Husqvarna TC 65 $36.99 Hiflofiltro Oil Filter — HF155Hiflofiltro Oil Filter — HF155 $5.23 Hiflofiltro Oil Filter — HF156Hiflofiltro Oil Filter — HF156 $9.20

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 KTM 640 LC4, tell us. Accuracy is the whole point.