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Dirt Bike Fenders

Dirt Bike Fenders

Dirt Bike Fenders

Dirt Bike Fenders & Body Kits for Acerbis Replacement Panels at JJ Motorsports

Replace worn fenders and body panels with premium Acerbis kits from JJ Motorsports, molded from durable ABS plastic for OEM fit and lightweight protection in motocross, enduro, and trail riding. These standard replacement sets restore factory aesthetics and durability.

Shop Acerbis body kits for precise, impact-resistant panels. Explore related categories such as dirt bike frame and body for guards and tanks, or dirt bike plastic and graphics for decals and shrouds to complete your refresh and ensure sleek, protected styling across all conditions, from rocky jumps to muddy berms.

Top Dirt Bike Fenders & Body Kits

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
  • POLISPORT Fender - Front - White - CRF110F 8573500002

    POLISPORT Fender - Front - White - CRF110F 8573500002

    POLISPORT

    $30.99
    OEM fenders take a beating—cracks, fading, and UV damage are inevitable on a CRF110F that sees regular use. The POLISPORT front fender delivers factory-spec durability with superior material composition that resists impact and abrasion better than stock...
    14033737
    SKU:
    14033737
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  • POLISPORT Fender - Front - OEM Fluorescent Red - Honda 8591000010

    POLISPORT Fender - Front - OEM Fluorescent Red - Honda 8591000010

    POLISPORT

    $30.99
    Factory fenders take a beating on the track and street alike—rock chips, curb rash, and UV fade are inevitable. The POLISPORT OEM Fluorescent Red front fender delivers the exact fitment and appearance of your stock panel while offering superior impact...
    14033752
    SKU:
    14033752
    Availability:
    Ships Same Business Day
    Weight:
    1.31 LBS
    $30.99
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  • On Sale
    POLISPORT Fender - Rear - White - CRF 250R 8551100001

    POLISPORT Fender - Rear - White - CRF 250R 8551100001

    POLISPORT

    MSRP: $30.99
    Now: $20.00
    Was: $30.99
    Stock plastic fenders crack, fade, and splinter under the rigors of off-road riding—leaving your CRF 250R looking worn and exposing damaged bodywork. The POLISPORT rear fender delivers OEM-equivalent fitment and appearance with superior impact and...
    14033759
    SKU:
    14033759
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    MSRP: $30.99
    Now: $20.00
    Was: $30.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $30.99
    Now: $20.00
    Was: $30.99
    Subtotal:
  • POLISPORT Fender - Rear - OEM Red - CRF 250R 8551100003

    POLISPORT Fender - Rear - OEM Red - CRF 250R 8551100003

    POLISPORT

    $31.99
    Stock plastic fenders take a beating on the trail, cracking under impact and fading in the sun. The POLISPORT rear fender for your CRF 250R delivers OEM fitment with superior durability—engineered to absorb impacts and resist abrasion far better than...
    14033760
    SKU:
    14033760
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • POLISPORT Fender - Rear - White - CRF 450R 8565300001

    POLISPORT Fender - Rear - White - CRF 450R 8565300001

    POLISPORT

    $31.99
    Your CRF 450R's rear fender takes a beating on the trail—mud, rocks, and impacts degrade stock plastic quickly. The POLISPORT rear fender delivers the exact OEM fit and appearance while using superior materials that resist impact, abrasion, and UV fade...
    14033777
    SKU:
    14033777
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • POLISPORT Fender - Rear - OEM '93 - '96 - Fluorescent Red - CR 125R/250R 8588000003

    POLISPORT Fender - Rear - OEM '93 - '96 - Fluorescent Red - CR 125R/250R 8588000003

    POLISPORT

    $31.99
    Stock OEM fenders fade, crack, and eventually fail—leaving your CR exposed to the elements and looking neglected. The POLISPORT rear fender delivers the exact factory appearance of your '93–'96 CR 125R/250R, but engineered from impact-resistant materials...
    14033786
    SKU:
    14033786
    Availability:
    Ships Same Business Day
    Weight:
    1.01 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • POLISPORT Fender - Rear - Black - KX 125/250 8595100003

    POLISPORT Fender - Rear - Black - KX 125/250 8595100003

    POLISPORT

    $31.99
    Kawasaki KX 125/250 riders need reliable rear fender protection that withstands the rigors of track and trail without compromising aesthetics. This Polisport rear fender delivers OEM-matching appearance with superior durability, resisting impact and...
    14033790
    SKU:
    14033790
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • POLISPORT Fender - Front - Orange - SX 85 8573600001

    POLISPORT Fender - Front - Orange - SX 85 8573600001

    POLISPORT

    $30.99
    OEM replacement fenders take a beating on the track and trail, and stock plastic can crack or fade under UV exposure and impact. The POLISPORT front fender for the SX 85 delivers the exact fit and finish of original equipment without the premium price...
    14031828
    SKU:
    14031828
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    $30.99
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  • POLISPORT Fender - Rear - Orange - SX/SX-F | XC/XC-F 8595500001

    POLISPORT Fender - Rear - Orange - SX/SX-F | XC/XC-F 8595500001

    POLISPORT

    $31.99
    Factory-spec replacement fenders take a beating on the track and trail, and OEM replacements come with OEM pricing. The Polisport rear fender delivers the exact fit and finish of stock plastic components while upgrading durability and impact...
    14031834
    SKU:
    14031834
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • POLISPORT Fender - Rear - White - SX/SX-F | XC/XC-F 8595500002

    POLISPORT Fender - Rear - White - SX/SX-F | XC/XC-F 8595500002

    POLISPORT

    $31.99
    OEM plastic components take a beating on the track and trail—cracks, scratches, and UV fade are inevitable. The POLISPORT rear fender replaces your damaged stock plastic with a factory-replica alternative that's more durable, resists impact better, and...
    14031835
    SKU:
    14031835
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • POLISPORT Fender - Rear - '98 OEM Blue - WR 250F/450F 8569400003

    POLISPORT Fender - Rear - '98 OEM Blue - WR 250F/450F 8569400003

    POLISPORT

    $31.99
    Stock plastics crack, fade, and deteriorate under UV exposure and track conditions—leaving your WR looking neglected. The POLISPORT rear fender replaces worn OEM components with a durability-engineered alternative that maintains the factory aesthetic...
    14031847
    SKU:
    14031847
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • POLISPORT Fender Rear - OEM Red - CRF 450R 8565300003

    POLISPORT Fender Rear - OEM Red - CRF 450R 8565300003

    POLISPORT

    $31.99
    Stock fenders take a beating on the trail—cracks, splits, and UV fade are inevitable. The POLISPORT rear fender delivers the exact OEM appearance of your CRF 450R with superior impact resistance and color retention, meaning fewer replacements and less...
    14031853
    SKU:
    14031853
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • POLISPORT Fender - Rear - OEM Red CR04 - CRF 150R 8569100001

    POLISPORT Fender - Rear - OEM Red CR04 - CRF 150R 8569100001

    POLISPORT

    $31.99
    If you're running a CRF 150R, the rear fender takes constant abuse from rocks, roots, and trail debris—stock plastic fades and cracks under pressure. The POLISPORT rear fender gives you OEM-exact fitment with superior material durability, so you get a...
    14031854
    SKU:
    14031854
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  • POLISPORT Fender - Front - OEM Red CR04 - CRF150R 8569200001

    POLISPORT Fender - Front - OEM Red CR04 - CRF150R 8569200001

    POLISPORT

    $29.99
    Stock plastic fenders are prone to cracking and fading after hard riding and UV exposure. The POLISPORT front fender delivers OEM-spec durability with improved impact resistance and color retention, making it the smarter choice for riders who want...
    14031855
    SKU:
    14031855
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $29.99
    Subtotal:
  • POLISPORT Fender - Front - OEM Red CR04 - CRF 250R/450R 8572700001

    POLISPORT Fender - Front - OEM Red CR04 - CRF 250R/450R 8572700001

    POLISPORT

    $30.99
    Your CRF's front fender takes the brunt of trail debris, mud, and impact—stock plastic degrades quickly under racing conditions. The POLISPORT OEM Red CR04 Front Fender is injection-molded for superior durability while maintaining a perfect factory fit,...
    14031856
    SKU:
    14031856
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  • POLISPORT Fender - Front - OEM Yellow - RMZ 250 8561000007

    POLISPORT Fender - Front - OEM Yellow - RMZ 250 8561000007

    POLISPORT

    $30.99
    OEM plastic components deteriorate through constant exposure to UV rays, impacts, and abrasion—leaving your RMZ 250 looking worn before its time. The POLISPORT front fender delivers the exact OEM fit and appearance you need, but engineered for superior...
    14033725
    SKU:
    14033725
    Availability:
    Ships Same Business Day
    Weight:
    1.36 LBS
    $30.99
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  • POLISPORT Fender - Front - OEM Yellow - RMZ 450 8554400001

    POLISPORT Fender - Front - OEM Yellow - RMZ 450 8554400001

    POLISPORT

    $30.99
    OEM plastic fenders take a beating on the track and trail, cracking under impact or fading in the sun. The POLISPORT front fender delivers the exact fit and appearance of your stock RMZ 450 component while offering superior durability and impact...
    14032596
    SKU:
    14032596
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  • POLISPORT Fender - Front - OEM Yellow - RM 65 8561600003

    POLISPORT Fender - Front - OEM Yellow - RM 65 8561600003

    POLISPORT

    $25.99
    When your RM 65's front fender takes impact—whether from trail debris, a minor spill, or track contact—you need a replacement that matches both the fit and durability of the original. This Polisport injection-molded fender delivers OEM-spec fitment...
    14032237
    SKU:
    14032237
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    $25.99
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  • On Sale
    POLISPORT Fender - Front - '05 OEM Green - KX 65 8561600013

    POLISPORT Fender - Front - '05 OEM Green - KX 65 8561600013

    POLISPORT

    MSRP: $24.99
    Now: $16.00
    Was: $24.99
    If your KX 65's front fender has taken a beating on the track or trail, replacing it with an OEM-equivalent part keeps your bike looking sharp while maintaining structural integrity. POLISPORT's injection-molded fender delivers the exact fit and finish...
    14031867
    SKU:
    14031867
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MSRP: $24.99
    Now: $16.00
    Was: $24.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $24.99
    Now: $16.00
    Was: $24.99
    Subtotal:
  • POLISPORT Fender - Front - OEM Yellow - RM 85 8562800001

    POLISPORT Fender - Front - OEM Yellow - RM 85 8562800001

    POLISPORT

    $25.99
    If you're riding an RM 85, factory plastic takes a beating—especially the front fender. This POLISPORT replacement delivers OEM fitment without the OEM price tag, with injection-molded construction that's actually more durable than stock while resisting...
    14031879
    SKU:
    14031879
    Availability:
    Ships Same Business Day
    Weight:
    1.14 LBS
    $25.99
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  • Total: items /

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Dirt Bike Plastics Protect and Enhance
Customize your dirt bike with JJ Motorsports expansive selection of aftermarket plastics! From fenders to full plastic kits, you can find the perfect parts to transform your machine into a sleekly styled racing powerhouse. Even better - these high-quality pieces protect against rocks, dirt and more for enhanced safety on every ride. – pick up some fresh motocross plastic today! Our selection includes premium brands like UFO, Acerbis and Polisport.

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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