KTM Luchtfilterbakdeksels
| Nummer | Type |
| 4003C | 125+500+550 1982-1997, 250 1982-1989, LC4 1993-2007 |
| 4006C | MX/SX/GS250-400 1990-1997 |
| 4009C | SX/EXC125-380 1998-2003, SX/EXC 4-TAKT 2000-01, SX85 2004 |
| 4010c | SX60-65 1998-.., LC-4 ELECTRIC STARTER 1997-.. |
| 4012C | EXC 4-TAKT 2001-2007, SX125-250 2-TAKT 2004-2006, SX85 2005-2012 |
| 4018c | sx85 2013-.. sx125-150 2011-2015 sx250 2011-2016 sxf250/350/450 2011-2015 exc/exc-f all 2012-2016 |
| 4021c | sx125/150 2016-.. sx250 2017 sxf250/350/450 2016-.. exc/exc-f all 2017 |