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 Air Flter)2nd Filter 03
525 SX / MXC / EXC / XC / XC-W (3 Hole Air Filter)2nd Filter 03-07
525 SMR2nd Filter 04-06
540 SXS2nd Filter 
560 SMR2nd Filter 07
625 SXC2nd Filter 03-04
660 Rally E Factory Replica2nd Filter 06-07
660 Supermoto2nd Filter 02-03
660 SMC1st Filter 04-05
690 Duke2nd Filter 08-11
690 Duke R2nd Filter 10-11
690 Enduro2nd Filter 08-11
690 Enduro R2nd Filter 09-11
690 SMC2nd Filter 08-11
690 Supermoto R2nd Filter 07
690 Supermoto R2nd Filter 08-09

Polaris ATV
450 Outlaw MXR / S2nd Filter 08-09
525 Outlaw / IRS2nd Filter  07-11

OIL FILTER HIFLO HF157

Premium Oil Filters

Hiflofiltro is the world's first and only TÜV approved motorcycle oil filter. Constructed using the best materials available, all Hiflofiltro oil filters meet or exceed original equipment performance levels. Available for street, scooter, motocross, enduro, ATV, UTV, marine outboard, and snowmobile models.

Part No. 47-113.HF (oro2u.com)

Cross reference numbers ONLY. 
KTM 590.38.046.000
KTM 590.38.046.100
KTM 590.38.046.101
KTM 590.38.046.144
Polaris 2520755