Dirt Bike Air Filters and Parts
Dirt Bike Air Filters & Parts for Honda, Suzuki, Yamaha & KTM at JJ Motorsports
Boost your dirt bike's engine performance and longevity with premium air filters and parts from JJ Motorsports. Our selection includes high-flow OEM-style air filters, pre-filters, filter skins, and maintenance kits designed for superior dust protection, increased airflow, and easy cleaning in motocross, enduro, and trail riding. Compatible with top brands like Honda CRF, Suzuki RM, Yamaha YZ/WR, and KTM SX/EXC models, these durable foam and paper elements ensure cleaner air intake, better throttle response, and reduced engine wear in dusty conditions. From Twin Air's legendary foam filters to Uni Filter's dual-layer designs, we have the parts to keep your 2-stroke or 4-stroke running at peak power.
Shop trusted brands like Twin Air, Uni Filter, and Pro Filter for race-proven quality. Explore related categories such as dirt bike air and fuel for carburetors and jets or dirt bike engines and components for rebuild kits.
Top Dirt Bike Air Filters & Parts
- Twin Air Standard Air Filter Suzuki RM250 2001-2008 153108 – High-quality dual-stage foam air filter for Suzuki RM250 models, providing excellent filtration and airflow for optimal engine performance.
- Twin Air Standard Air Filter Honda CRF250R 2004-2007 150012 – Precision-engineered foam filter for Honda CRF250R, featuring oil-impregnated layers for superior dust trapping and easy maintenance.
- Pro Filter Premium Air Filter Yamaha MTX200 1986-1990 2010-03 – Premium dual-bonded foam air filter for Yamaha MTX200, designed for maximum airflow and protection in off-road conditions.
- Uni Filter Air Filter 1-7/8" x 2-1/16" x 3" PK-82 – Compact foam air filter with 1-7/8" inlet, 2-1/16" outlet, and 3" height, ideal for custom or small-displacement dirt bike applications.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
UNI FILTER Filter - KDX/KX NU-2353ST
UNI FILTER
$35.95Stock air filters restrict flow and require frequent replacement, costing you money and performance. The UNI FILTER NU-2353ST delivers superior airflow while stopping dirt more effectively than OEM designs, keeping your KDX/KX engine breathing at peak...NU2353ST- SKU:
- NU2353ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
$35.95 -
UNI FILTER Filter - KX/KDX NU-2354ST
UNI FILTER
$35.95The UNI FILTER NU-2354ST delivers superior airflow and filtration for your KX/KDX machine without compromising engine protection. Reusable design eliminates the cost and waste of disposable filters while maintaining OEM fitment and performance. Its...NU2354ST- SKU:
- NU2354ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- TRIANGULAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$35.95 -
UNI FILTER Filter - RM/KX60 NU-2355ST
UNI FILTER
$28.95Stock air filters restrict your RM/KX60's breathing potential and require constant replacement—this UNI FILTER delivers superior airflow while remaining reusable for years, saving you money and maintaining peak engine performance. The two-stage design...NU2355ST- SKU:
- NU2355ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- BASE COLOR:
- RED
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- FILTER SHAPE:
- ROUND
$28.95 -
UNI FILTER Filter - KX125 NU-2358ST
UNI FILTER
$35.95The UNI FILTER NU-2358ST delivers superior airflow and filtration for your KX125, designed to maximize engine breathing while reliably trapping dirt and contaminants. Unlike disposable filters that lose efficiency over time, this two-stage filter can be...NU2358ST- SKU:
- NU2358ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
UNI FILTER Filter - KX80 NU-2361ST
UNI FILTER
$37.95The UNI FILTER NU-2361ST delivers superior airflow while maintaining exceptional filtration for your KX80, keeping your engine fed with clean air lap after lap. Unlike disposable filters that compromise performance as they clog, this two-stage design...NU2361ST- SKU:
- NU2361ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- CYLINDER
- BASE COLOR:
- RED
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
$37.95 -
UNI FILTER Filter - YZ80 NU-3229ST
UNI FILTER
$35.95The UNI FILTER NU-3229ST delivers superior airflow and filtration for your YZ80, engineered to maximize engine breathing while reliably stopping dirt and contaminants. Unlike disposable filters, this two-stage design cleans and reuses indefinitely—saving...NU3229ST- SKU:
- NU3229ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- TAPERED
- MODEL:
- ULTRA-SEAL
$35.95 -
UNI FILTER Air Filter - Yamaha NU-3238ST
UNI FILTER
$42.95The UNI FILTER Air Filter (NU-3238ST) delivers superior airflow while maintaining reliable dirt filtration—critical for maintaining engine responsiveness and longevity on your Yamaha. Unlike disposable OEM filters, this reusable design saves money over...NU3238ST- SKU:
- NU3238ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- BASE COLOR:
- RED
- FILTER SHAPE:
- OVAL
- FEATURES:
- WASHABLE
- RIDING STYLE:
- STREET
- TYPE:
- STAGE II
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- FILTER MEDIA STYLE:
- DUAL-LAYER
$42.95 -
UNI FILTER Filter - TTR-125 NU-3242ST
UNI FILTER
$29.95OEM air filters restrict airflow and require replacement every season—UNI Filter's reusable design eliminates that cycle while delivering superior filtration and engine breathing. The two-stage construction allows complete disassembly for thorough...NU3242ST- SKU:
- NU3242ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- ROUND
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
$29.95 -
UNI FILTER Filter - Yamaha YZ85 NU-3243ST
UNI FILTER
$33.95The UNI FILTER NU-3243ST delivers superior airflow while maintaining exceptional dirt-stopping capability—critical for YZ85 riders who demand responsive engine performance in dusty riding conditions. Unlike disposable filters, this two-stage design is...NU3243ST- SKU:
- NU3243ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RED
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- ROUND
- TYPE:
- STAGE II
- UNITS:
- EACH
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- UNI-SEAL
$33.95 -
UNI FILTER Filter - TTR-90 NU-3250ST
UNI FILTER
$21.95The UNI FILTER TTR-90 NU-3250ST delivers superior airflow without compromising filtration—critical when you're chasing performance gains at the track or on the street. Unlike disposable filters that cost money and create waste, this reusable design...NU3250ST- SKU:
- NU3250ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- FEATURES:
- WASHABLE
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- UNIQUE
- MODEL:
- UNI-SEAL
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
$21.95 -
UNI FILTER Filter - WR250/450F NU-3251ST
UNI FILTER
$37.95Stock air filters restrict flow and require frequent replacement—the UNI FILTER NU-3251ST eliminates both problems. This two-stage design delivers maximum airflow while trapping dirt more effectively than OEM filters, keeping your WR250/450F's engine...NU3251ST- SKU:
- NU3251ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- COMPETITION
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- TYPE:
- STAGE II
- UNITS:
- EACH
$37.95 -
UNI FILTER Filter - Honda XR/CRF NU-4131ST
UNI FILTER
$11.95Stock air filters restrict your engine's breathing and require frequent replacement—costing you money and performance. The UNI FILTER NU-4131ST delivers superior airflow while trapping more dirt, letting your Honda XR/CRF engine pull cleaner air and run...NU4131ST- SKU:
- NU4131ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- STYLE:
- COMPETITION
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- UNI-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- TYPE:
- STAGE II
- UNITS:
- EACH
$11.95 -
UNI FILTER Filter - DRZ/KLX125 NU-2484ST
UNI FILTER
$31.95Stock air filters restrict airflow and require frequent replacement—wasting money and potentially compromising engine performance. The UNI FILTER NU-2484ST delivers superior filtration and airflow in a reusable design that pays for itself within a few...10110236- SKU:
- 10110236
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- UNI-SEAL
$31.95 -
UNI FILTER Filter - KTM NU-1414ST
UNI FILTER
$14.95A quality air filter is fundamental to engine performance—restricting airflow costs you horsepower and throttle response. The UNI FILTER NU-1414ST delivers maximum airflow while maintaining superior dirt-stopping efficiency, engineered specifically for...10110237- SKU:
- 10110237
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- FILTER SHAPE:
- RECTANGULAR
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- UNI-SEAL
- PRODUCT NAME:
- AIR FILTER
$14.95 -
UNI FILTER Foam Filter - Black BF-4
UNI FILTER
$20.95Custom air filtration shouldn't force you into off-the-shelf compromises. The UNI FILTER Foam Filter - Black BF-4 gives you precision-engineered foam sheets in multiple densities, letting you fabricate a filter that matches your exact engine bay layout...10111025- SKU:
- 10111025
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FILTER MEDIA STYLE:
- FINE
- PRODUCT NAME:
- FOAM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- AIR FILTER
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- PANEL OUTSIDE DIMENSIONS (LENGTH X WIDTH) IMPERIAL:
- 15.98' X 12.01'
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- BASE COLOR:
- BLACK
$20.95 -
UNI FILTER Foam Filter - Red BF-5
UNI FILTER
$20.95If you're building a custom or vintage air intake system, you need a filter solution that matches your fabrication—not one that forces you to adapt. The UNI FILTER Foam Filter Red BF-5 gives you sheets of varying foam densities to design and cut an air...10111026- SKU:
- 10111026
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- PANEL OUTSIDE DIMENSIONS (LENGTH X WIDTH) IMPERIAL:
- 15.98' X 12.01'
- PRODUCT NAME:
- FOAM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- BASE COLOR:
- RED
- FILTER MEDIA STYLE:
- COARSE
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- AIR FILTER
$20.95 -
UNI FILTER Filtered Air Vents - 6 Pack UFV-6
UNI FILTER
$15.95Cold air intake systems depend on consistent, clean airflow to deliver maximum performance gains. These UNI FILTER air vents increase the volume of pre-filtered air reaching your airbox, reducing restriction and allowing your engine to breathe more...UFV6- SKU:
- UFV6
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- AIR FILTER
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR VENT
- BASE COLOR:
- BLACK
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- UNITS:
- 6 PACK
$15.95 -
On Sale
PRO DESIGN Pro Flow Filter Kit - RZR900 PD 248
PRO DESIGN
MSRP: $289.95Now: $186.00Was: $289.95The stock airbox on your RZR900 is robbing you of power through unnecessary restriction. This PRO DESIGN Pro Flow Filter Kit eliminates that bottleneck with flow-bench-engineered design, delivering measurable gains in throttle response and overall engine...10112863- SKU:
- 10112863
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
MSRP: $289.95Now: $186.00Was: $289.95 -
Pro Filter Pre-Oiled Air Filter for 2010-2013 Honda CRF250R AFR-1003-01
PRO FILTER
$13.99Factory air filters restrict flow and rob your CRF250R of valuable horsepower—especially critical on a 250cc platform where every bit of performance matters. The Pro Filter AFR-1003-01 delivers measurably better airflow through its dual-stage open cell...10111750- SKU:
- 10111750
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLUE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- BASE COLOR:
- BLUE
- FEATURES:
- PRE-OILED
- MODEL:
- PROFILTER
$13.99 -
Pro Filter Pre-Oiled Air Filter for Honda CRF50F 2004-2023 XR50R 2000-2003 XR70R 1997-2003 AFR-1006-00
PRO FILTER
$12.99A restrictive air filter starves your engine of the oxygen it needs to produce peak power. The PRO FILTER AFR-1006-00 is engineered with a dual-stage foam matrix that flows significantly more air than stock while maintaining superior filtration—giving...10111751- SKU:
- 10111751
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- BLUE
- FEATURES:
- PRE-OILED
- MODEL:
- PROFILTER
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- UNITS:
- EACH
$12.99
