HIFLO FILTRO foam air filter for KTM 620, 625, 640, 660 LC4, SMC, DUKE ...
Off Road Pre-Filter by BMC for KTM 640 LC4 E-start Supermoto 2004-2006
Couvercle de filtre Twin Air pour KTM 640 LC4 99-12 - pièces détachées moto cross Mud Riders
Twin Stage Air Filter for KTM 640 LC4 1998-2006 | eBay
For KTM Motorcycle Oil Filter 400 EGS 620 Duke 625 SMC SXC 640 LC4 660 Rally E Factory Replica 620 LSK Filtro Gasolina MotoClean|Oil Filters| - AliExpress
KTM LC4 640 air filter cleaning - YouTube
DNA Filters KTM LC4-E Series (00-04) DNA Air Filter R-KT6E00-01 DNA Filtering Efficiency: 98-99% KTM-LC4E Product Details
Air filter box 400/640 lc4 spare parts for KTM 640 LC 4 USA from 2001 | PartsRepublik
Dobest filter motorcycle air filter is used for KTM 58406015100 58406015000 for KTM 640 Adventure Duke for KTM 640 LC4 Adventure Enduro R for KTM 640 LC4 Six Days