FUEL/AIR SYSTEMS
1011-2500
NU-4112ST
UP-4112ST
1011-3317
1011-3957
1011-3281
1011-2507
1011-3706
1011-2027
1011-0764
AIR FILTERS
  • Unsurpassed in airflow, dirt stopping and overall performance
  • Two-stage air filters come apart for maximum airflow and ultimate cleaning
  • Most filters feature the Ultra Seal grease groove on the sealing surface
  • Each fits in stock air box exactly like OEM filter
  • Clean easily with grease-cutting dishwashing detergent; just clean,
  • oil and reuse indefinitely
    NU-3238ST
  • Made in the U.S.A.
  • NU-3250ST
    FITS MODEL
    P ART  #
    FITS MODEL
    P ART  #
    FITS MODEL
    P ART  #
    FITS MODEL
    P ART  #
    BETA
    HONDA (CONT)
    HONDA (CONT)
    KAWASAKI (CONT)
    Enduro 250/ 400/
    CR125R 02-07
    NU-4135ST 1
    XR500R 83
    NU-4075ST
    KX125 81
    NU-2338ST
    450/ 525 05-12
    1011-3318 1
    CRF125F 14-18
    1011-3181 1
    XL600R 83-91
    NU-4065ST
    KX125 83
    NU-2345ST
    1011-3319 1
    XL125 73-75
    1011-3314
    XR600R 84
    NU-4075ST
    KX125 84-85
    NU-2353ST
    Enduro 4 Stroke 350/ 400/
    XL125 76-78
    1011-3313
    XR600R 85-02
    NU-4074ST
    KX125 86
    NU-2358ST
    450/ 525 13-18
    1011-3319 1
    CRF150F 03-18
    NU-4137ST
    XR650L 93-17
    NU-4117ST
    KX125 87-89
    NU-2364ST 1
    BMW
    CRF150R 07-18
    1011-0948 1
    XR650R 00-07
    NU-4130ST
    KX125 90-91
    NU-4112ST 1
    F650 GS Twin 09-12
    1011-2028
    XL175 76-78
    1011-3314
    HUSABERG
    KX125 92-93
    NU-2370ST 1
    1011-2028
    XL185S 79
    1011-3316
    250/30/ 450/ 501 13-16
    1011-2478
    KX125 94-05
    NU-4112ST 1
    GAS GAS
    XR200 81-82
    1011-3317 1
    HUSQVARNA
    KLX140/L 08-18
    1011-1454
    EC/MC/ FSE 99-10
    NU-4112ST 1
    XR200R 84-05
    NU-4073ST
    All models (except GP)
    KDX175 81-82
    NU-2338ST
    EC 200/ 250/ 300 Enduro
    CRF230F 03-18
    NU-4137ST
    thru 78
    1011-2507
    KDX200 82-85
    NU-2354ST
    1011-3320 1
    CR250 73-74
    1011-2505
    All GP models thru 78
    1011-2508
    KDX200 86-88
    NU-2353ST
    All models 79-82
    1011-2509
    4-stroke 04-15
    1011-3320 1
    CR250 75-76
    1011-2503
    KDX200 89-06
    NU-2364ST 1
    TC85 14-17
    1011-2478 1
    BULTACO
    CR250 78-80
    1011-2506
    KDX220 96-05
    NU-2364ST 1
    TC85 18
    1011-4111
    Alpina 74-75
    1011-2497
    CR250R 81-84
    NU-4052ST
    KDX250 80
    NU-2333ST
    CR250R 85
    NU-4078ST
    125/ 250/ 500CR/
    KDX250 81
    NU-2338ST
    WXR/XC 85-87
    NU-1006ST 1
    thru 77
    1011-2495
    CR250R 86
    NU-4103ST
    KDX250 82-85
    NU-2354ST
    125/ 250/ 360 92-09
    NU-1008ST 1
    CAN-AM
    CR250R 87
    NU-4105ST 1
    KDX250 89-95
    NU-2364ST 1
    TC/ TE125/ 250 14-17
    1011-2478 1
    All models 73-77
    1011-2498
    CR250R 88-01
    NU-4112ST 1
    KLR250 87-05
    NU-2384ST
    TC125 16-17
    1011-3706
    CZ
    CR250R 02-07
    NU-4135ST 1
    KLX250/ 300 94-07
    NU-2364ST 1
    250/ 450 4-stroke 04-13
    NU-1008ST 1
    All models
    1011-2499
    CRF250R 04-09
    NU-4136ST 1
    KLX250S/SF 09-18
    NU-2364ST 1
    CRF250R 10-13
    1011-1497
    FC/ FE250/ 350/ 450 14-15
    1011-2478 1
    KX250 81
    NU-2338ST
    FC250/ 350/ 450 16-18
    1011-3706 1
    CRF50F/ 70F 04-18
    NU-4131ST
    CRF250R 14-17
    1011-3044
    KX250 82
    NU-2345ST
    FE250/ 350/ 450 16-18
    1011-2478
    CRF50F/ 70F 04-18
    CRF250R18
    1011-0030
    KX250 83-84
    NU-2354ST
    (high-flow)
    UP-4112ST 2
    CRF250X 04-13
    1011-0284 1
    300 09
    NU-1008ST 1
    KX250 85-86
    NU-2353ST
    NU-4131ST
    XL250 76
    1011-3314
    TE300 14-15
    1011-2478 1
    KX250 87-89
    NU-2364ST 1
    XR50R/ 70R 97-14 (high-flow) UP-4112ST 2
    XR250L 90-96
    NU-4074ST
    350/ 610WXC/E 90-91
    NU-1006ST 1
    KX250 90-91
    NU-4112ST 1
    CR60R/ 80R 83-84
    NU-4064ST
    XR250 79
    1011-3312
    350/ 410/ 610 92-03
    NU-1009ST 1
    KX250 92-93
    NU-2370ST 1
    CR80R 86-02
    NU-4104ST
    XR250R 84-85
    NU-4073ST
    449 TC/TE/ TXE/ 511 TXC 11-13 1011-2685
    KX250 94-07
    NU-4112ST 1
    CR85R 03-07
    NU-4104ST
    XR250R 86-04
    NU-4074ST
    FE501 14-16
    1011-2478 1
    KX250F 04-05
    1011-0030 1
    CRF80F/ 100F 04-18
    NU-4132ST
    XL350 73-75
    1011-3311
    FE501 17-18
    1011-3706
    KX250F 06-16
    1011-0598 1
    CRF80F/ 100F 04-18
    XL350 76-77
    1011-3314
    701 Supermoto 16-18
    1011-2027
    KX250F 17-18
    1011-3621
    (high-flow)
    1011-0743 2
    XR350R 83-85
    NU-4074ST
    KAWASAKI
    KDX400 80
    NU-2333ST
    XR80R/ 100R 88-03
    NU-4132ST
    XR400R 96-04
    NU-4074ST
    KX60 85-03
    NU-2355ST
    KLX400 03-04
    NU-2480ST
    XR80R/ 100R 88-03
    CR450R 81
    NU-4052ST
    KX65 00-18
    NU-2385ST
    KDX420 81
    NU-2338ST
    1011-0743 2
    CRF450R 02
    NU-4133ST 1
    KDX80 84-88
    NU-2347ST
    KX420 81
    NU-2338ST
    CT90 74-77/ CT110 76-77
    1011-2500
    CRF450R 03-08
    NU-4136ST 1
    KX80 83-84
    NU-2347ST
    KDX450 82
    NU-2345ST
    XL100/ 175 75-77
    1011-3313
    CRF450R 09-12
    1011-1497
    KX80 86-90
    NU-2361ST
    KX450F 06-15
    1011-0598 1
    G-5 100 72
    1011-2510
    1011-3321
    CRF450R 13-16
    1011-3044
    KX450F 16-18
    1011-3621
    CR125 73-74
    1011-2501
    KX80/85 91-13
    NU-2369ST 1
    CRF450R/RX 17-18
    1011-3957
    KLX450R 08-09
    1011-1076 1
    CR125 75
    1011-2502
    CRF450X 05-17
    1011-0284 1
    KX85 14-18
    1011-3182 1
    KX500 83
    NU-2345ST
    CR125 76-78
    1011-2503
    CR480R 82-83
    NU-4052ST
    KX100 91-13
    NU-2369ST 1
    KX500 84
    NU-2354ST
    CR125R 79-80
    1011-2504
    CR500R 84
    NU-4052ST
    KX100 14-18
    1011-3182 1
    KX500 85-86
    NU-2353ST
    NU-4052ST
    CR500R 85
    NU-4078ST
    KLX110 02-18
    NU-2395ST
    KX500 87-04
    NU-2364ST 1
    NU-4078ST
    CR500R 86
    NU-4103ST
    KLX110 02-18 (high-flow)
    1011-0764 2
    KLR650 87-18
    NU-2378ST 1
    CR125R 86
    NU-4103ST
    CR500R 87-88
    NU-4105ST 1
    KLX125/L 03-06
    1011-0236
    1 Uni Ultra-Seal filter.
    CR125R 87-88
    NU-4105ST 1
    CR500R 89-01
    NU-4112ST 1
    2 Clamps to carburetor.
    CR125R 89-01
    NU-4112ST 1
    DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.
    SEE PAGE 4 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
    2018 PARTS UNLIMITED OFFROAD