KTM 640 LC-4 DUKE Parts & Accessories

Everything we stock that fits the KTM 640 LC-4 DUKE (1999–2010): 3 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.

Maintenance for the KTM 640 LC-4 DUKE

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

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 LC-4 DUKE, tell us. Accuracy is the whole point.