Dirt Bike Front Suspension
Dirt Bike Front Suspension Parts: Fork Springs, Guards & Launch Devices for Yamaha at JJ Motorsports
Enhance your dirt bike's front suspension with premium parts from JJ Motorsports, designed for smoother damping and protection in motocross, enduro, and trail riding. These components improve handling and reduce wear for reliable performance.
Shop Works Connection, Moose Racing, and Polisport front suspension parts for durable, easy-to-install upgrades. Explore related categories such as dirt bike suspension for shocks and bushings, or dirt bike for full builds to complete your setup and achieve balanced, responsive handling across all conditions, from high-speed jumps to technical singletrack.
Top Dirt Bike Front Suspension Parts
- Works Connection Pro Launch Start Device Yamaha 12-416 – Adjustable launch device for Yamaha YZ; reduces fork compression for better starts.
- Moose Racing Fork Springs 31 mm 2.4 N/mm 0405-1120 – Progressive fork springs for 31mm tubes; improves damping on Kawasaki KX models.
- Polisport Fork Guard Cover Black 8398100002 – Black plastic fork guards; protects stanchions from rocks on Honda CRF.
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
-
PARTS UNLIMITED Fork Seals - 33 mm ID x 46.3 mm OD x 14.7 mm T PUP40FORK455119
PARTS UNLIMITED
$71.35High-quality replacement fork seals, Made to OEM specifications04070136- SKU:
- 04070136
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MATERIAL:
- RUBBER
- THICKNESS METRIC:
- 14.70 MM
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 46.30 MM
- PRODUCT NAME:
- FORK SEAL
- INSIDE DIAMETER METRIC:
- 33.00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$71.35 -
PARTS UNLIMITED Fork Seals - 48 mm ID x 58 mm OD x 9 mm T PUP40FORK455128
PARTS UNLIMITED
$61.15High-quality replacement fork seals, Made to OEM specifications04070215- SKU:
- 04070215
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- PRODUCT NAME:
- FORK SEAL
- THICKNESS METRIC:
- 9.00 MM
- MATERIAL:
- RUBBER
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 48.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$61.15 -
PARTS UNLIMITED Fork Seals - 37 mm ID x 50 mm OD x 11 mm T - NOK PUP40FORK455143
PARTS UNLIMITED
$35.65High-quality replacement fork seals, Made to OEM specifications04070265- SKU:
- 04070265
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- NOK ANTI-STICTION
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- PRODUCT NAME:
- FORK SEAL
- OUTSIDE DIAMETER METRIC:
- 50.00 MM
- THICKNESS METRIC:
- 11.00 MM
- INSIDE DIAMETER METRIC:
- 37.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$35.65 -
PARTS UNLIMITED Fork Seals - 38 mm ID x 50 mm OD x 8/9.5 mm T - NOK PUP40FORK455152
PARTS UNLIMITED
$41.77High-quality replacement fork seals, Made to OEM specifications04070267- SKU:
- 04070267
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 50.00 MM
- THICKNESS METRIC:
- 8.00 MM/9.50 MM
- INSIDE DIAMETER METRIC:
- 38.00 MM
- MATERIAL:
- NOK ANTI-STICTION
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
$41.77 -
PARTS UNLIMITED Fork Seals - 37 mm ID x 50 mm OD x 8 mm T PUP40FORK455177
PARTS UNLIMITED
$23.41High-quality replacement fork seals, Made to OEM specifications04070268- SKU:
- 04070268
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 37.00 MM
- OUTSIDE DIAMETER METRIC:
- 50.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- FORK SEAL
- UNITS:
- PAIR
- THICKNESS METRIC:
- 8.00 MM
$23.41 -
PARTS UNLIMITED Fork Seals - 35 mm ID x 48 mm OD x 11 mm T PUP40FORK455032
PARTS UNLIMITED
$12.19High-quality replacement fork seals, Made to OEM specificationsFS011- SKU:
- FS011
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- FORK SEAL
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 35.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- OUTSIDE DIAMETER METRIC:
- 48.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$12.19 -
PARTS UNLIMITED Fork Seals - 36 mm ID x 48 mm OD x 8/9.5 mm T PUP40FORK455035
PARTS UNLIMITED
$11.17High-quality replacement fork seals, Made to OEM specificationsFS012- SKU:
- FS012
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 48.00 MM
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 36.00 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 8.00 MM/9.50 MM
$11.17 -
PARTS UNLIMITED Fork Seals - 36 mm ID x 48 mm OD x 10.5 mm T PUP40FORK455036
PARTS UNLIMITED
$11.17High-quality replacement fork seals, Made to OEM specificationsFS013- SKU:
- FS013
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 36.00 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.50 MM
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 48.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$11.17 -
PARTS UNLIMITED Fork Seals - 36 mm x 48 mm x 11 mm PUP40FORK455037
PARTS UNLIMITED
$12.19High-quality replacement fork seals, Made to OEM specificationsFS014- SKU:
- FS014
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- OUTSIDE DIAMETER METRIC:
- 48.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 36.00 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- THICKNESS METRIC:
- 11.00 MM
$12.19 -
PARTS UNLIMITED Fork Seals - 38 mm ID x 50 mm OD x 10.5 mm T PUP40FORK455044
PARTS UNLIMITED
$11.17High-quality replacement fork seals, Made to OEM specificationsFS019- SKU:
- FS019
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 10.50 MM
- INSIDE DIAMETER METRIC:
- 38.00 MM
- MATERIAL:
- RUBBER
- OUTSIDE DIAMETER METRIC:
- 50.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$11.17Qty in Cart: 0Quantity:Price:$11.17Subtotal: -
PARTS UNLIMITED Fork Seals - 40 mm ID x 52 mm OD x 8 mm T PUP40FORK455049
PARTS UNLIMITED
$12.19High-quality replacement fork seals, Made to OEM specificationsFS021- SKU:
- FS021
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- OUTSIDE DIAMETER METRIC:
- 52.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- INSIDE DIAMETER METRIC:
- 40.00 MM
- THICKNESS METRIC:
- 8.00 MM
- UNITS:
- PAIR
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
$12.19 -
PARTS UNLIMITED Fork Seals - 45 mm ID x 57 mm OD x 11 mm T PUP40FORK455059
PARTS UNLIMITED
$17.29High-quality replacement fork seals, Made to OEM specificationsFS035- SKU:
- FS035
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- OUTSIDE DIAMETER METRIC:
- 57.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 45.00 MM
- RIDING STYLE:
- STREET
$17.29 -
PARTS UNLIMITED Fork Seals - 46 mm ID x 58 mm OD x 10.5/11.5 mm T PUP40FORK455060
PARTS UNLIMITED
$18.31High-quality replacement fork seals, Made to OEM specificationsFS036- SKU:
- FS036
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- THICKNESS METRIC:
- 10.50 MM/11.50 MM
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 46.00 MM
- MATERIAL:
- RUBBER
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- RIDING STYLE:
- OFF-ROAD
$18.31 -
PARTS UNLIMITED Fork Seals - 30 mm ID x 42 mm OD x 10.5 mm T PUP40FORK455013
PARTS UNLIMITED
$14.23High-quality replacement fork seals, Made to OEM specificationsFS038- SKU:
- FS038
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- OUTSIDE DIAMETER METRIC:
- 42.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 30.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.50 MM
- UNITS:
- PAIR
$14.23 -
PARTS UNLIMITED Fork Seals - 33 mm ID x 45 mm OD x 11 mm T PUP40FORK455024
PARTS UNLIMITED
$11.17High-quality replacement fork seals, Made to OEM specificationsFS039- SKU:
- FS039
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- INSIDE DIAMETER METRIC:
- 33.00 MM
- MATERIAL:
- RUBBER
- OUTSIDE DIAMETER METRIC:
- 45.00 MM
- UNITS:
- PAIR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$11.17 -
PARTS UNLIMITED Fork Seals - 35 mm ID x 48 mm OD x 10.5 mm T PUP40FORK455031
PARTS UNLIMITED
$11.17High-quality replacement fork seals, Made to OEM specificationsFS040- SKU:
- FS040
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- INSIDE DIAMETER METRIC:
- 35.00 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.50 MM
- OUTSIDE DIAMETER METRIC:
- 48.00 MM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- PAIR
$11.17Qty in Cart: 0Quantity:Price:$11.17Subtotal: -
PARTS UNLIMITED Fork Seals - 43 mm ID x 55 mm OD x 9.5 mm T PUP40FORK455057
PARTS UNLIMITED
$12.19High-quality replacement fork seals, Made to OEM specificationsFS041- SKU:
- FS041
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER METRIC:
- 43.00 MM
- MATERIAL:
- RUBBER
- OUTSIDE DIAMETER METRIC:
- 55.00 MM
- UNITS:
- PAIR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 9.50 MM
- RIDING STYLE:
- OFF-ROAD
$12.19 -
PARTS UNLIMITED Fork Seals - 43 mm ID x 54 mm OD x 9.5 mm T PUP40FORK455055
PARTS UNLIMITED
$13.21High-quality replacement fork seals, Made to OEM specificationsFS042- SKU:
- FS042
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- INSIDE DIAMETER METRIC:
- 43.00 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 54.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 9.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$13.21 -
MOOSE RACING Fork Seal Kit - 43 mm 56-133-1
MOOSE RACING
$37.95Seal profile is engineered to create equal pressure in each seal lip; equalized seal pressure creates less drag and longer seal life, Patented MAX-LIFE has a coefficient of friction up to 3 times less than the OEM seal material, Triple-lip seal design,...04070319- SKU:
- 04070319
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- OUTSIDE DIAMETER METRIC:
- 54.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- THICKNESS METRIC:
- 11.00 MM
- INSIDE DIAMETER METRIC:
- 43.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$37.95 -
MOOSE RACING Carbon Fiber Fork Guards FG01
MOOSE RACING
$96.95Carbon fiber with abrasion-resistant epoxy, Snap over forks without mounting hardware, Look good and save fork legs, Made in the U.S.A.04120163- SKU:
- 04120163
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- BASE COLOR:
- GRAY
- MOUNTING POSITION:
- UPPER
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- GRAY
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- PROTECTOR
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- TYPE:
- FORK
- UNITS:
- PAIR
$96.95
