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 - IT200 NU-2281ST
UNI FILTER
$33.95A quality air filter directly impacts engine efficiency, throttle response, and fuel economy—yet most stock filters restrict airflow and demand frequent replacement. The UNI FILTER IT200 NU-2281ST delivers superior filtration without the performance...NU2281ST- SKU:
- NU2281ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 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
- FILTER SHAPE:
- TRIANGULAR
- BASE COLOR:
- RED
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
$33.95Qty in Cart: 0Quantity:Price:$33.95Subtotal: -
UNI FILTER Air Filter - Kawasaki NU-2364ST
UNI FILTER
$37.95Stock air filters restrict airflow and require frequent replacement—a costly cycle that impacts engine efficiency and your wallet. The UNI FILTER NU-2364ST delivers superior filtration and unrestricted airflow while remaining reusable indefinitely,...NU2364ST- SKU:
- NU2364ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
$37.95 -
UNI FILTER Filter - Yamaha NU-3226ST
UNI FILTER
$37.95The UNI FILTER NU-3226ST delivers superior airflow and filtration without sacrificing engine protection—critical when you're pushing your Yamaha to its limits. Unlike disposable filters that choke performance over time, this reusable design maintains...NU3226ST- SKU:
- NU3226ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- ROUND
- MODEL:
- ULTRA-SEAL
- COLOR/FINISH:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- UNITS:
- EACH
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
UNI FILTER Filter - Yamaha XT/TT-R225 NU-3237ST
UNI FILTER
$17.95The UNI FILTER NU-3237ST replaces disposable paper filters with a washable, reusable design that maintains peak airflow while trapping more dirt—saving you money and reducing waste over the life of your XT/TT-R225. Its two-stage construction separates...NU3237ST- SKU:
- NU3237ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- COLOR/FINISH:
- RED
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- TYPE:
- STAGE II
- UNITS:
- EACH
- FILTER SHAPE:
- PANEL
- FILTER SHAPE:
- RECTANGULAR
- RIDING STYLE:
- STREET
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- MODEL:
- ULTRA-SEAL
$17.95 -
UNI FILTER Filter - CRF250/450X NU-4138ST
UNI FILTER
$37.95A quality air filter directly impacts engine efficiency, throttle response, and longevity—especially in high-demand riding conditions. The UNI FILTER NU-4138ST delivers superior airflow and filtration for your CRF250/450X without sacrificing OEM fitment...10110284- SKU:
- 10110284
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MODEL:
- UNI-SEAL
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- ROUND
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
$37.95 -
UNI FILTER Air Filter - KLX450R NU-2334ST
UNI FILTER
$37.95Stock air filters compromise airflow while sacrificing durability—the UNI FILTER NU-2334ST eliminates this trade-off by delivering superior filtration without restricting your engine's breathing. Two-stage construction and a grease-sealed design mean...10111076- SKU:
- 10111076
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- MODEL:
- ULTRA-SEAL
- STYLE:
- COMPETITION
- FILTER SHAPE:
- TRIANGULAR
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- STAGE II
- UNITS:
- EACH
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
Pro Filter Pre-Oiled Air Filter for Honda CRF100F 2004-2013 AFR-1007-00
PRO FILTER
$12.99A stock air filter restricts airflow and leaves horsepower on the table. The Pro Filter AFR-1007-00 delivers measurable gains in intake flow and throttle response while maintaining reliable engine protection through its dual-stage foam design. Pre-oiled...10111752- SKU:
- 10111752
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FEATURES:
- PRE-OILED
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- PROFILTER
- BASE COLOR:
- BLUE
$12.99 -
Pro Filter Air Filter Honda CRF450X 2019-2025 MTX-1004-01
PRO FILTER
$26.99A clogged or inefficient air filter directly reduces engine performance and increases wear on your CRF450X. The Pro Filter Air Filter uses dual-stage filtration to deliver maximum airflow while keeping fine dirt and dust out of your engine, ensuring...10114438- SKU:
- 10114438
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FEATURES:
- WASHABLE
- UNITS:
- EACH
- BASE COLOR:
- WHITE
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
$26.99 -
UNI FILTER Filter - CR125/250 '02-'07 NU-4135ST
UNI FILTER
$37.95Stock air filters restrict airflow and require frequent replacement—this UNI FILTER delivers superior filtration without sacrificing performance. The two-stage design maximizes air velocity while capturing dirt, giving your CR125/250 the clean,...NU4135ST- SKU:
- NU4135ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- FILTER SHAPE:
- ROUND
- FILTER MEDIA MATERIAL:
- FOAM
- BASE COLOR:
- RED
- MODEL:
- UNI-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$37.95 -
PC RACING Floƒâ€š‚® Air Filter PCF1X
PC RACING
$34.95A quality air filter directly impacts your engine's breathing efficiency, fuel economy, and overall performance. The PC Racing Floß Air Filter PCF1X combines superior filtration with extended service life, allowing you to spend more time on the track and...10111870- SKU:
- 10111870
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- BASE COLOR:
- OFF-WHITE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- ODD
- TYPE:
- FLO®
- BASE COLOR:
- ORANGE
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
UNI FILTER Filter - KTM NU-1411ST
UNI FILTER
$37.95Factory air filters compromise performance by restricting airflow and requiring frequent replacement. The UNI FILTER NU-1411ST delivers superior filtration without the hassle—it's engineered for maximum airflow while trapping dirt more effectively than...NU1411ST- SKU:
- NU1411ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
$37.95 -
UNI FILTER Filter - Husqvarna NU-1008ST
UNI FILTER
$37.95A quality air filter directly impacts engine performance, fuel efficiency, and longevity—especially under demanding racing or high-flow conditions. The UNI FILTER NU-1008ST delivers exceptional airflow while trapping dirt and contaminants, giving your...NU1008ST- SKU:
- NU1008ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- FILTER SHAPE:
- ROUND
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
UNI FILTER Large Filter - KTM 50 '98 NU-1409ST
UNI FILTER
$23.95Stock air filters restrict airflow and require frequent replacement—a UNI FILTER gives you superior filtration without sacrificing performance or your wallet. The two-stage design maximizes airflow while stopping dirt with precision, and because you can...NU1409ST- SKU:
- NU1409ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- BASE COLOR:
- BLACK
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- UNITS:
- EACH
- FILTER SHAPE:
- OVAL
- TYPE:
- STAGE II
$23.95Qty in Cart: 0Quantity:Price:$23.95Subtotal: -
UNI FILTER Filter - KTM NU-1413ST
UNI FILTER
$37.95Stock air filters restrict flow and require frequent replacement—this UNI FILTER delivers superior airflow while remaining reusable for years, cutting your long-term maintenance costs. The two-stage design separates for thorough cleaning and maximum...NU1413ST- SKU:
- NU1413ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- MODEL:
- UNI-SEAL
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$37.95 -
UNI FILTER Filter - XR650R NU-4130ST
UNI FILTER
$47.95Stock air filters restrict flow and require frequent replacement—the UNI Filter NU-4130ST delivers superior airflow while remaining cleanable and reusable for the life of your XR650R. A two-stage design maximizes filtration efficiency without sacrificing...NU4130ST- SKU:
- NU4130ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- PANEL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- UNIQUE
- MODEL:
- ULTRA-SEAL
$47.95 -
UNI FILTER Air Filter - Yamaha NU-2221ST
UNI FILTER
$51.95The UNI FILTER NU-2221ST delivers superior airflow while maintaining exceptional filtration—critical for maximizing engine breathing and performance. Unlike disposable filters, this reusable design pays for itself through multiple service cycles,...10112521- SKU:
- 10112521
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RED
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- STREET
- BASE COLOR:
- RED
- TYPE:
- STAGE II
- FILTER SHAPE:
- CYLINDER
- UNITS:
- EACH
$51.95Qty in Cart: 0Quantity:Price:$51.95Subtotal: -
UNI FILTER Filter - KX/KDX NU-2345ST
UNI FILTER
$31.95A quality air filter is fundamental to engine performance—it directly impacts horsepower delivery, throttle response, and engine longevity. The UNI FILTER NU-2345ST delivers superior airflow while maintaining aggressive filtration, allowing your KX/KDX...NU2345ST- SKU:
- NU2345ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- STYLE:
- COMPETITION
- UNITS:
- EACH
- MODEL:
- UNI-SEAL
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER SHAPE:
- TRIANGULAR
- TYPE:
- MULTI STAGE
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
UNI FILTER Filter - RM250 NU-2447ST
UNI FILTER
$37.95A reusable air filter eliminates the recurring cost of disposable filters while delivering superior airflow and filtration efficiency. The UNI FILTER RM250 NU-2447ST is engineered for easy maintenance—simply clean, oil, and reinstall—making it ideal for...NU2447ST- SKU:
- NU2447ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- RED
- FILTER SHAPE:
- OVAL
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
UNI FILTER Filter - RM125/250 NU-2456ST
UNI FILTER
$35.95Stock air filters restrict flow and require frequent replacement—a costly cycle that impacts engine performance and your maintenance budget. The UNI FILTER RM125/250 delivers superior airflow while trapping fine dirt particles, keeping your 2-stroke...NU2456ST- SKU:
- NU2456ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- CYLINDER
- TYPE:
- STAGE II
- UNITS:
- EACH
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- TAPERED
- MODEL:
- ULTRA-SEAL
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COMPETITION
$35.95 -
UNI FILTER Filter - XR200/250 Miscellaneous NU-4073ST
UNI FILTER
$42.95A quality air filter is fundamental to engine performance—it directly impacts airflow efficiency, throttle response, and engine longevity. The UNI FILTER NU-4073ST delivers superior filtration and airflow for your XR200/250, engineered to outperform...NU4073ST- SKU:
- NU4073ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- 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
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- RECTANGULAR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$42.95
