Replaces OEM numbers:KTM 580.38.005.000KTM 580.38.005.100KTM 580.38.005.101KTM 901.38.015.000Polaris 2520754Betamotor Motorcycle250 RR Enduro 4T1st Filter 05-09400 RR Enduro 4T1st Filter 05-09450 RR Enduro 4T1st Filter 05-09525 RR Enduro 4T1st Filter 05-09Husaberg MotorcycleFC450 04-06FE450 04-08FS450 04-08FC550 04-06FE550 04-08FS550 04-08FE650 04-08FS650 04-08Husqvarna Motorcycle401 Svartpilen 18-19401 Vitpilen 18-19701 Enduro2nd Filter 16-19701 Supermoto2nd Filter 16-19701 Vitpilen2nd Filter 18-19KTM ATV450 XC ATV1st Filter 08-11525 XC ATV1st Filter 08-11KTM Motorcycle125 Duke 11-16125 Duke 17-19125 RC 14-19200 Duke 12-19200 RC 14-18250 EXC Racing1st Filter 03250 EXC Racing1st Filter 04-06250 Duke 15-16250 Duke 17-19250 RC 15-17390 Duke 13-16390 Duke 17-19390 RC 14-17390 RC 17-18390 RC R 18400 EGS1st Filter 400 EXC Racing (1 Hole Air Filter)1st Filter 04-05400 EXC Racing (3 Hole Air Filter)1st Filter 04-05400 EXC1st Filter 06-07400 EXE / EXE Super Competition1st Filter 400 SX / MXC / EXC (1 Hole Air Filter)1st Filter 04-05400 SX / MXC / EXC (3 Hole Air Filter)1st Filter 04-05400 XC-W1st Filter 07450 SX / EXC / MXC1st Filter 03-06450 EXC1st Filter 07450 SMR1st Filter 05-07450 XC / XC-W1st Filter 07450 XC1st Filter 08520 SX / MXC / EXC1st Filter 99520 SX / MXC / EXC1st Filter 00520 SX / MXC / EXC (1 Hole Air Filter)1st Filter 01-02520 SX / MXC / EXC (3 Hole Air Filter)1st Filter 01-02525 SX / MXC / EXC (1 Hole Air Filter)1st Filter 03525 SX / MXC / EXC / XC / XC-W (3 Hole Air Filter)1st Filter 03-07525 SMR1st Filter 04-06540 SXS1st Filter 560 SMR1st Filter 07620 EXE1st Filter 620 EXE Super Competition1st Filter 620 EGS1st Filter 620 Duke1st Filter 620 LSK1st Filter 625 SXC1st Filter 03-04625 SXC1st Filter 05625 SMC1st Filter 04-05640 Duke1st Filter 99-06640 LC41st Filter 660 Rally E Factory ReplicaGearbox Filter 06-07660 Supermoto1st Filter 02-03660 SMC1st Filter 04-05690 Duke1st Filter 08-11690 Duke2nd Filter 12-19690 Duke R1st Filter 10-11690 Duke R2nd Filter 12-17690 Enduro1st Filter 08-11690 Enduro R1st Filter 09-11690 Enduro R2nd Filter 12-19690 Rally Factory Replica2nd Filter 09-10690 SMC1st Filter 08-11690 SMC R2nd Filter 12-19690 Supermoto R1st Filter 08-09Polaris ATV450 Outlaw MXR / S1st Filter 08-09525 Outlaw / IRS1st Filter 07-11