Replaces OEM numbers:
KTM 590.38.046.000
KTM 590.38.046.100
KTM 590.38.046.101
KTM 590.38.046.144
Polaris 2520755
Betamotor Motorcycle
250 RR Enduro 4T2nd Filter 05-09
400 RR Enduro 4T2nd Filter 05-09
450 RR Enduro 4T2nd Filter 05-09
525 RR Enduro 4T2nd Filter 05-09
KTM ATV
450 XC ATV2nd Filter 08-11
525 XC ATV2nd Filter 08-11
KTM Motorcycle
250 EXC Racing2nd Filter 03
250 EXC Racing2nd Filter 04-06
400 EXC Racing (1 Hole Air Filter)2nd Filter 04-05
400 EXC Racing (3 Hole Air Filter)2nd Filter 04-05
400 EXC2nd Filter 06-07
400 SX / MXC / EXC (1 Hole Air Filter)2nd Filter 04-05
400 SX / MXC / EXC (3 Hole Air Filter)2nd Filter 04-05
400 XC-W2nd Filter 07
450 SX / EXC / MXC2nd Filter 03-06
450 EXC2nd Filter 07
450 SMR2nd Filter 05-07
450 XC / XC-W2nd Filter 07
450 XC2nd Filter 08
520 SX / MXC / EXC2nd Filter 99
520 SX / MXC / EXC2nd Filter 00
520 SX / MXC / EXC (1 Hole Air Filter)2nd Filter 01-02
520 SX / MXC / EXC (3 Hole Air Filter)2nd Filter 01-02
525 SX / MXC / EXC (1 Hole A