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 - KTM NU-1406ST
UNI FILTER
$37.95If you're running your KTM hard, your stock air filter is costing you power and efficiency. The UNI Filter NU-1406ST delivers superior airflow while maintaining exceptional filtration—meaning more horsepower where it counts, without sacrificing engine...NU1406ST- SKU:
- NU1406ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- UNIQUE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- ROUND
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- BASE COLOR:
- RED
- STYLE:
- COMPETITION
- UNITS:
- EACH
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
UNI FILTER Air Filter - KTM/Husqvarna NU-1412ST
UNI FILTER
$33.95Stock air filters restrict airflow and require frequent replacement—a costly cycle that impacts engine performance and your maintenance budget. The UNI FILTER NU-1412ST delivers superior airflow while trapping more dirt, and its washable design means...NU1412ST- SKU:
- NU1412ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BASE COLOR:
- RED
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COMPETITION
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- OVAL
- TYPE:
- STAGE II
- UNITS:
- EACH
$33.95Qty in Cart: 0Quantity:Price:$33.95Subtotal: -
UNI FILTER Filter - YZ250/400 NU-2242ST
UNI FILTER
$35.95Stock air filters compromise flow and require frequent replacement—this UNI Filter delivers superior airflow while remaining cleanable and reusable for years. Purpose-built for YZ250/400 applications, it fits your stock airbox without modifications while...NU2242ST- SKU:
- NU2242ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- UNI-SEAL
- STYLE:
- STANDARD
- TYPE:
- MULTI STAGE
- UNITS:
- EACH
- BASE COLOR:
- RED
$35.95 -
UNI FILTER Filter - Yamaha NU-2245ST
UNI FILTER
$35.95Stock air filters restrict airflow and require frequent replacement—costing you both performance and money over time. The UNI FILTER NU-2245ST delivers measurably higher airflow while trapping more dirt, giving your Yamaha the breathing room it needs for...NU2245ST- SKU:
- NU2245ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- CONE
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- FEATURES:
- WASHABLE
- FILTER MEDIA STYLE:
- DUAL-LAYER
- MODEL:
- ULTRA-SEAL
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE II
- UNITS:
- EACH
$35.95 -
UNI FILTER Filter - YZ125/IT175 NU-2247ST
UNI FILTER
$35.95A quality air filter is fundamental to engine longevity and peak performance—dirt intrusion accelerates wear on pistons, rings, and valve seats. The UNI FILTER NU-2247ST delivers superior filtration efficiency without sacrificing airflow, a critical...NU2247ST- SKU:
- NU2247ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- STAGE II
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- TAPERED
- MODEL:
- ULTRA-SEAL
- BASE COLOR:
- RED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER SHAPE:
- ROUND
- STYLE:
- COMPETITION
$35.95 -
UNI FILTER Filter - CRF250/450 '03-'09 NU-4136ST
UNI FILTER
$37.95Stock air filters restrict flow and require frequent replacement—the UNI FILTER NU-4136ST delivers superior airflow while remaining cleanable and reusable for the life of your bike. Two-stage construction separates for thorough cleaning with standard...NU4136ST- SKU:
- NU4136ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MODEL:
- UNI-SEAL
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER MEDIA STYLE:
- DUAL-LAYER
- BASE COLOR:
- RED
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
$37.95 -
UNI FILTER Air Filter - KLX140/L NU-2335ST
UNI FILTER
$25.95A quality air filter is fundamental to engine performance—restrict airflow and you're leaving power on the table while accelerating wear on internal components. The UNI FILTER NU-2335ST delivers the high-flow filtration your KLX140/L needs without...10111454- SKU:
- 10111454
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$25.95 -
On Sale
Race Shop Inc Pro Climb Air Vent Bottom V-7 for Arctic Cat Pro Climb Chassis 10112915
RACE SHOP INC.
MSRP: $100.95Now: $65.00Was: $100.95Heat buildup under the hood is the enemy of consistent engine performance, especially in extreme riding conditions. The Race Shop Inc Pro Climb Air Vent Bottom V-7 delivers measurable thermal management by lowering under-hood and clutch temperatures by...10112915- SKU:
- 10112915
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
MSRP: $100.95Now: $65.00Was: $100.95 -
On Sale
Race Shop Inc Permanent Top Air Vent for Polaris Pro RMK V-16 10112921
RACE SHOP INC.
MSRP: $168.95Now: $108.00Was: $168.95Under-hood temperatures on your Pro RMK V-16 directly impact engine longevity and clutch performance—especially during extended trail sessions or high-load conditions. This permanent top air vent reduces thermal buildup by over 30%, drawing cold air to...10112921- SKU:
- 10112921
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
MSRP: $168.95Now: $108.00Was: $168.95 -
MOOSE RACING Air Filter - YZ/YZF/WR 1-80-44
MOOSE RACING
$29.95Dust and debris are the silent killers of engine performance, especially in aggressive riding conditions where stock filters fall short. The MOOSE RACING Air Filter delivers dual-layer foam protection that traps everything from coarse particles to...M7618044- SKU:
- M7618044
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- YELLOW
- FILTER MEDIA MATERIAL:
- FOAM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- WHITE
- BASE COLOR:
- WHITE
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- YELLOW
- UNITS:
- EACH
$29.95 -
MOOSE RACING Pre-Oiled Air Filter - Honda P1-20-02
MOOSE RACING
$29.95A properly oiled air filter is essential for maintaining peak engine protection and airflow efficiency without sacrificing horsepower. Excess oil clogs filter media and restricts air intake, while dry spots leave your engine vulnerable to contamination...10110826- SKU:
- 10110826
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BASE COLOR:
- GREEN
- FILTER SHAPE:
- ROUND
- MODEL:
- PRECISION
- UNITS:
- EACH
- COLOR/FINISH:
- GREEN
- FEATURES:
- PRE-OILED
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA MATERIAL:
- FOAM
- PRODUCT NAME:
- AIR FILTER
$29.95 -
MOOSE RACING Pre-Oiled Air Filter - Honda P1-20-33
MOOSE RACING
$32.95An air filter's job is simple: maximize airflow while protecting your engine. The MOOSE RACING Pre-Oiled Air Filter eliminates the guesswork by arriving factory-oiled to the exact specification your engine needs—no excess oil starving horsepower, no dry...10110827- SKU:
- 10110827
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- COLOR/FINISH:
- GREEN
- FILTER SHAPE:
- ROUND
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
- BASE COLOR:
- GREEN
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- PRECISION
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- PRE-OILED
$32.95 -
MOOSE RACING Pre-Oiled Air Filter - Honda/Husqvarna P1-20-43
MOOSE RACING
$32.95An improperly oiled air filter costs you horsepower through excess oil saturation or leaves critical dry spots that compromise engine protection. The MOOSE RACING Pre-Oiled Air Filter eliminates both risks with precision machine oiling that delivers...10110828- SKU:
- 10110828
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- GREEN
- FILTER SHAPE:
- ROUND
- UNITS:
- EACH
- BASE COLOR:
- GREEN
- FEATURES:
- PRE-OILED
- FILTER MEDIA MATERIAL:
- FOAM
- MODEL:
- PRECISION
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- AIR FILTER
$32.95 -
MOOSE RACING Pre-Oiled Air Filter - Honda P1-20-44
MOOSE RACING
$32.95An air filter's job is simple: keep contaminants out while maximizing airflow. This MOOSE RACING pre-oiled filter eliminates the guesswork by arriving precision-oiled to exact specifications—no excess oil starving your engine of horsepower, no dry spots...10110829- SKU:
- 10110829
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
- BASE COLOR:
- GREEN
- FILTER SHAPE:
- ROUND
- MODEL:
- PRECISION
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- COLOR/FINISH:
- GREEN
- FEATURES:
- PRE-OILED
$32.95 -
MOOSE RACING Air Filter - Yamaha 1-80-46
MOOSE RACING
$29.95A clogged or compromised air filter kills engine performance and fuel economy—and cheap filters let abrasive particles slip through, accelerating wear on your internals. The MOOSE RACING Air Filter uses a proven two-layer foam design that traps both...10113127- SKU:
- 10113127
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- COLOR/FINISH:
- WHITE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- FILTER MEDIA MATERIAL:
- FOAM
- BASE COLOR:
- WHITE
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
$29.95 -
MOOSE RACING Pre-Oiled Air Filter - Yamaha P1-80-46
MOOSE RACING
$32.95A poorly oiled air filter wastes horsepower through excess oil buildup, while a dry filter leaves your engine vulnerable to abrasive contaminants. The MOOSE RACING Pre-Oiled Air Filter eliminates both problems with precision machine pre-oiling that...10113128- SKU:
- 10113128
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- BASE COLOR:
- BLUE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- SQUARE
- FEATURES:
- PRE-OILED
- FILTER SHAPE:
- ODD
- PRODUCT NAME:
- AIR FILTER
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- COLOR/FINISH:
- BLUE
- MODEL:
- PRECISION
- RIDING STYLE:
- OFF-ROAD
$32.95 -
MOOSE RACING Air Filter - Husqvarna 1-30-43
MOOSE RACING
$29.95A quality air filter is the first line of defense between your engine and contamination—and the MOOSE RACING Air Filter for Husqvarna delivers dual-stage protection without compromising airflow. The bonded two-layer foam design captures everything from...10112982- SKU:
- 10112982
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- BASE COLOR:
- WHITE
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$29.95 -
UNI FILTER Filter - Miscellaneous Husqvarna NU-1006ST
UNI FILTER
$37.95A quality air filter is fundamental to engine performance and longevity. The UNI FILTER NU-1006ST delivers exceptional airflow while maintaining superior dirt-stopping capability, giving you the breathing room your engine needs without compromising...NU1006ST- SKU:
- NU1006ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- FILTER MEDIA STYLE:
- DUAL-LAYER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- FEATURES:
- WASHABLE
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- UNIQUE
- MODEL:
- ULTRA-SEAL
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- RED
- FILTER SHAPE:
- RECTANGULAR
- PRODUCT NAME:
- AIR FILTER
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
$37.95 -
UNI FILTER Filter - YZ125/250/490 NU-2263ST
UNI FILTER
$35.95If you're running a YZ125, YZ250, or YZ490, your engine's only as good as the air it breathes. The UNI FILTER NU-2263ST delivers superior airflow while trapping dirt that would otherwise destroy your top end—meaning longer engine life and better throttle...NU2263ST- SKU:
- NU2263ST
- Availability:
- Ships Same Business Day
- Weight:
- 1.63 LBS
- FEATURES:
- WASHABLE
- FILTER SHAPE:
- ROUND
- MODEL:
- ULTRA-SEAL
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER MEDIA MATERIAL:
- FOAM
- BASE COLOR:
- RED
- FILTER SHAPE:
- TAPERED
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$35.95 -
UNI FILTER Filter - YZ125 NU-2270ST
UNI FILTER
$35.95The UNI FILTER NU-2270ST delivers unrestricted airflow to your YZ125 while maintaining superior dirt-stopping efficiency—a critical balance for sustained performance across varying track conditions. Unlike disposable filters that compromise flow as they...NU2270ST- SKU:
- NU2270ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- FILTER MEDIA MATERIAL:
- FOAM
- FILTER SHAPE:
- RECTANGULAR
- MODEL:
- ULTRA-SEAL
- PRODUCT NAME:
- AIR FILTER
- RIDING STYLE:
- OFF-ROAD
- FILTER MEDIA STYLE:
- DUAL-LAYER
- FILTER SHAPE:
- ODD
- FEATURES:
- WASHABLE
- STYLE:
- COMPETITION
- TYPE:
- STAGE II
- UNITS:
- EACH
- BASE COLOR:
- RED
$35.95
