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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 - KX 85/100 8574100002

    POLISPORT Fender - Front - White - KX 85/100 8574100002

    POLISPORT

    $25.99
    OEM plastic components degrade quickly under racing conditions and trail abuse—cracks, fading, and cosmetic damage compromise both appearance and aerodynamics. The POLISPORT front fender delivers an exact replica of your stock KX 85/100 fender with...
    14033741
    SKU:
    14033741
    Availability:
    Ships Same Business Day
    Weight:
    0.96 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  •  POLISPORT Fender - Rear - OEM White - CRF 110F 8579300002

    POLISPORT Fender - Rear - OEM White - CRF 110F 8579300002

    POLISPORT

    $31.99
    Stock plastic fenders deteriorate quickly under the demands of off-road riding—cracking, fading, and becoming an eyesore. The POLISPORT rear fender delivers OEM fitment and appearance with superior durability and impact resistance, making it the...
    14033783
    SKU:
    14033783
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  •  POLISPORT Fender - Rear - Black - CRF 110F 8579300003

    POLISPORT Fender - Rear - Black - CRF 110F 8579300003

    POLISPORT

    $31.99
    Stock OEM fenders deteriorate quickly under the demands of trail riding—cracking, fading, and eventually requiring replacement. The POLISPORT rear fender for the CRF 110F delivers genuine OEM fitment and appearance while using impact-resistant materials...
    14033784
    SKU:
    14033784
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  •  POLISPORT Fender - Rear - Clear - SX/SX-F | XC/XC-F 8595500004

    POLISPORT Fender - Rear - Clear - SX/SX-F | XC/XC-F 8595500004

    POLISPORT

    $31.99
    When your rear fender takes a hit on the track or trail, you need a replacement that matches OEM specs without the OEM price tag. This Polisport rear fender delivers factory fitment and durability using their proprietary DGP technology—a flexible,...
    14033792
    SKU:
    14033792
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  •  POLISPORT Fender - Rear - Gray - EXC/XC-W 8595900004

    POLISPORT Fender - Rear - Gray - EXC/XC-W 8595900004

    POLISPORT

    $31.99
    OEM fenders take a beating on the trail, and stock replacements come with equally steep price tags. The POLISPORT Rear Fender delivers the exact fit and appearance of your original plastic without the fragility or cost. Built with Polisport's proprietary...
    14033794
    SKU:
    14033794
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  •  POLISPORT Fender - Rear - Restyle - White - KX 125/250 8585400005

    POLISPORT Fender - Rear - Restyle - White - KX 125/250 8585400005

    POLISPORT

    $38.99
    Stock plastic fenders take a beating on the track and trail—UV exposure, impacts, and abrasion degrade OEM components quickly, leaving your KX looking worn. The POLISPORT Rear Fender delivers OEM-accurate fitment with superior durability, using...
    14033802
    SKU:
    14033802
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    $38.99
    Qty in Cart: 0
    Quantity:
    Price:
    $38.99
    Subtotal:
  • On Sale
     POLISPORT Fender - Front - Orange - SX 85 8563800001

    POLISPORT Fender - Front - Orange - SX 85 8563800001

    POLISPORT

    MSRP: $29.99
    Now: $19.00
    Was: $29.99
    Stock OEM fenders take a beating on the track and trail, and replacement costs add up fast. The POLISPORT front fender delivers identical fitment and appearance to your SX 85's original plastic, but with superior durability and impact resistance that...
    14031816
    SKU:
    14031816
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    MSRP: $29.99
    Now: $19.00
    Was: $29.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.99
    Now: $19.00
    Was: $29.99
    Subtotal:
  •  POLISPORT Fender - Rear - Orange - SX 85 | XC 85/105 8563900001

    POLISPORT Fender - Rear - Orange - SX 85 | XC 85/105 8563900001

    POLISPORT

    $56.99
    Stock fenders take a beating on the track and trail, and OEM replacements come with OEM pricing. The POLISPORT rear fender delivers factory-accurate fitment and finish with superior durability and impact resistance, using their proprietary DGP...
    14031817
    SKU:
    14031817
    Availability:
    Ships Same Business Day
    Weight:
    1.33 LBS
    $56.99
    Qty in Cart: 0
    Quantity:
    Price:
    $56.99
    Subtotal:
  •  POLISPORT Fender - Front - OEM Orange - SX 65 8571500001

    POLISPORT Fender - Front - OEM Orange - SX 65 8571500001

    POLISPORT

    $25.99
    OEM plastic components take a beating on the track and trail—cracks, fading, and cosmetic damage compromise both aesthetics and resale value. The POLISPORT front fender delivers genuine OEM fitment with injection-molded durability that outperforms stock...
    14031822
    SKU:
    14031822
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    $25.99
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  •  POLISPORT Fender - Front - OEM Orange - SX 65 8571500016

    POLISPORT Fender - Front - OEM Orange - SX 65 8571500016

    POLISPORT

    $25.99
    Stock OEM fenders are prone to fade, cracks, and costly replacements—but quality aftermarket alternatives don't have to compromise on fit or appearance. The POLISPORT front fender for SX 65 delivers an exact OEM replica with superior durability and color...
    14031823
    SKU:
    14031823
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    $25.99
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  •  POLISPORT Fender - Rear - Orange - SX 65 | XC 65 8571600001

    POLISPORT Fender - Rear - Orange - SX 65 | XC 65 8571600001

    POLISPORT

    $56.99
    Stock plastic fenders take a beating—whether you're racing hard on the track or pushing limits in practice. The POLISPORT rear fender for SX 65 and XC 65 models gives you OEM-exact fitment and appearance without the fragility of original components...
    14031824
    SKU:
    14031824
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    $56.99
    Qty in Cart: 0
    Quantity:
    Price:
    $56.99
    Subtotal:
  •  POLISPORT Fender - Rear - White - SX 65 | XC 65 8571600019

    POLISPORT Fender - Rear - White - SX 65 | XC 65 8571600019

    POLISPORT

    $56.99
    Stock fenders take a beating on the track and trail. Whether you're replacing a damaged panel after a crash or upgrading from worn OEM plastic, the POLISPORT Rear Fender delivers OEM-exact fitment with superior durability—all at a fraction of the cost of...
    14031825
    SKU:
    14031825
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    $56.99
    Qty in Cart: 0
    Quantity:
    Price:
    $56.99
    Subtotal:
  •  POLISPORT Fender - Front - Orange - SX 65 8572200001  POLISPORT Fender - Front - Orange - SX 65 8572200001

    POLISPORT Fender - Front - Orange - SX 65 8572200001

    POLISPORT

    $25.99
    OEM fenders take a beating on the track and trail, and factory plastic deteriorates quickly under UV exposure and impact. The POLISPORT front fender for the SX 65 delivers the same fit and finish as your stock component but with superior durability and...
    14031826
    SKU:
    14031826
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    $25.99
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  •  POLISPORT Fender - Front - '98 Blue - YZ/YZF | WRF 8551300002

    POLISPORT Fender - Front - '98 Blue - YZ/YZF | WRF 8551300002

    POLISPORT

    $30.99
    Front fender damage compromises both aesthetics and protection for your YZ/YZF or WRF dirt bike. This OEM-replica fender delivers exact fitment without the premium price tag of genuine Yamaha parts, allowing you to restore your bike's appearance and...
    14031836
    SKU:
    14031836
    Availability:
    Ships Same Business Day
    Weight:
    1.57 LBS
    $30.99
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  •  POLISPORT Fender - Rear - '98 OEM Blue - YZ 250F/450F 8551400002

    POLISPORT Fender - Rear - '98 OEM Blue - YZ 250F/450F 8551400002

    POLISPORT

    $31.99
    Stock plastic fenders take a beating on the track and trail—cracks, fading, and permanent marks are inevitable. The POLISPORT Rear Fender delivers OEM-spec durability and appearance without the premium OEM price tag, thanks to their proprietary DGP...
    14031837
    SKU:
    14031837
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  •  POLISPORT Fender - Front - White - Yamaha 8553600001

    POLISPORT Fender - Front - White - Yamaha 8553600001

    POLISPORT

    $30.99
    Your Yamaha's front fender takes the brunt of road debris, impacts, and UV exposure—a compromised fender compromises your bike's structural integrity and appearance. This POLISPORT injection-molded replacement delivers OEM-spec fitment with enhanced...
    14031839
    SKU:
    14031839
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    $30.99
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  •  POLISPORT Fender - Rear - "05-'12 / '15-'21 OEM Blue - YZ 85 8563700001

    POLISPORT Fender - Rear - "05-'12 / '15-'21 OEM Blue - YZ 85 8563700001

    POLISPORT

    $27.99
    A stock fender takes a beating on the track and trail, and OEM replacements come with a premium price tag. The POLISPORT rear fender delivers factory-accurate fitment and appearance at a fraction of the cost, while the advanced DGP polypropylene...
    14031844
    SKU:
    14031844
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    $27.99
    Qty in Cart: 0
    Quantity:
    Price:
    $27.99
    Subtotal:
  • On Sale
     POLISPORT Fender - Rear - '13-'14 OEM White - YZ 85 8563700003

    POLISPORT Fender - Rear - '13-'14 OEM White - YZ 85 8563700003

    POLISPORT

    MSRP: $26.99
    Now: $17.00
    Was: $26.99
    Stock OEM fenders take a beating on the track and trail, fading, cracking, and scuffing faster than you'd like to replace them. POLISPORT's rear fender for your '13-'14 YZ 85 delivers the factory look with superior durability, using their exclusive DGP...
    14031845
    SKU:
    14031845
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    MSRP: $26.99
    Now: $17.00
    Was: $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $26.99
    Now: $17.00
    Was: $26.99
    Subtotal:
  •  POLISPORT Fender - Rear - '13-'14 OEM White - WR 250F/450F 8569400001

    POLISPORT Fender - Rear - '13-'14 OEM White - WR 250F/450F 8569400001

    POLISPORT

    $31.99
    OEM plastic components take a beating on the track and trail—cracks, stress fractures, and UV fade are inevitable. This Polisport rear fender delivers the exact OEM fitment and appearance of stock plastic at a fraction of the replacement cost, while the...
    14031846
    SKU:
    14031846
    Availability:
    Ships Same Business Day
    Weight:
    1.54 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    Subtotal:
  •  POLISPORT Fender - Front - Green - KX 250F/450F 8572800001

    POLISPORT Fender - Front - Green - KX 250F/450F 8572800001

    POLISPORT

    $30.99
    Stock OEM fenders take a beating on the track and trail—impacts, UV fade, and abrasion damage are inevitable. The POLISPORT front fender delivers genuine OEM fitment and durability at a fraction of the cost of replacement parts from the dealer. Built...
    14031868
    SKU:
    14031868
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    $30.99
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  • Total: items /

Adding your products to cart

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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