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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
  • On Sale
    POLISPORT Fender - Front - IB Muder - Pumpkin Orange 8555600001

    POLISPORT Fender - Front - IB Muder - Pumpkin Orange 8555600001

    POLISPORT

    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    If you're running a 21" front wheel setup, OEM fenders often won't fit without modification or clearance issues. The POLISPORT Fender delivers authentic Preston Petty styling with precision injection-molded construction that matches the original geometry...
    14032627
    SKU:
    14032627
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Subtotal:
  • On Sale
    POLISPORT Fender - Front - IB Muder - Blue 8555600003

    POLISPORT Fender - Front - IB Muder - Blue 8555600003

    POLISPORT

    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    If you're running a 21" front wheel setup, OEM fenders often don't clear properly or lack the aggressive stance you're after. The POLISPORT Fender delivers factory-quality fitment with the classic Preston Petty integral bracket design, engineered to...
    14032629
    SKU:
    14032629
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Subtotal:
  • On Sale
    POLISPORT Fender - Front - IB Muder - Black 8555600006

    POLISPORT Fender - Front - IB Muder - Black 8555600006

    POLISPORT

    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    If you're running a 21" front wheel on your off-road machine, you need a fender that matches OEM fitment and durability without the premium price tag. The POLISPORT IB Mudder front fender delivers injection-molded construction identical to factory...
    14032632
    SKU:
    14032632
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Subtotal:
  • On Sale
    POLISPORT Fender - Front - IB Muder - Red 8555600007

    POLISPORT Fender - Front - IB Muder - Red 8555600007

    POLISPORT

    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    The POLISPORT Fender delivers authentic styling and reliable protection for your front wheel without compromising your bike's original aesthetics. Injection-molded to match OEM specifications, this Preston Petty Integral Bracket design combines...
    14032633
    SKU:
    14032633
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Subtotal:
  • POLISPORT Fender - Rear - MX - Dark Yellow 8554500002

    POLISPORT Fender - Rear - MX - Dark Yellow 8554500002

    POLISPORT

    $52.99
    If you're restoring a vintage MX bike or building a custom that demands authentic aesthetics, a quality rear fender is non-negotiable. This POLISPORT piece delivers the classic Preston Petty look without compromise, using injection-molded construction...
    14032636
    SKU:
    14032636
    Availability:
    Ships Same Business Day
    Weight:
    1.17 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $52.99
    Subtotal:
  • On Sale
    POLISPORT Fender - Rear - MX - Bultaco Blue 8554500003

    POLISPORT Fender - Rear - MX - Bultaco Blue 8554500003

    POLISPORT

    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Restore your vintage MX bike to show-quality condition with this authentic Polisport rear fender, injection-molded to match the original specifications that made classic Bultaco machines legendary. The iconic Preston Petty logo and Bultaco Blue finish...
    14032637
    SKU:
    14032637
    Availability:
    Ships Same Business Day
    Weight:
    1.16 LBS
    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $52.99
    Now: $34.00
    Was: $52.99
    Subtotal:
  • POLISPORT Fender - Rear - Enduro - Pumpkin Orange 8555700001

    POLISPORT Fender - Rear - Enduro - Pumpkin Orange 8555700001

    POLISPORT

    $93.99
    Enduro riding demands fenders that can handle mud, rocks, and aggressive terrain without compromising visibility or airflow. The POLISPORT Rear Fender delivers OEM-quality protection with a purpose-built design that keeps debris off your rear wheel while...
    14032643
    SKU:
    14032643
    Availability:
    Ships Same Business Day
    Weight:
    1.80 LBS
    $93.99
    Qty in Cart: 0
    Quantity:
    Price:
    $93.99
    Subtotal:
  • On Sale
    POLISPORT Fender - Rear - Enduro - Dark Yellow 8555700002

    POLISPORT Fender - Rear - Enduro - Dark Yellow 8555700002

    POLISPORT

    MSRP: $93.99
    Now: $60.00
    Was: $93.99
    Enduro riding demands fenders that can withstand aggressive terrain and rough handling without compromising visibility or aerodynamics. The POLISPORT Rear Enduro Fender delivers OEM-quality protection with proven durability in competition and trail...
    14032644
    SKU:
    14032644
    Availability:
    Ships Same Business Day
    Weight:
    1.65 LBS
    MSRP: $93.99
    Now: $60.00
    Was: $93.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $93.99
    Now: $60.00
    Was: $93.99
    Subtotal:
  • POLISPORT Fender - Rear - Enduro - Bultaco Blue 8555700003

    POLISPORT Fender - Rear - Enduro - Bultaco Blue 8555700003

    POLISPORT

    $93.99
    Enduro riding demands fenders that withstand impacts, mud, and repeated abuse without compromising bike handling or aesthetics. The POLISPORT Rear Enduro Fender delivers OEM-quality durability with factory fitment, protecting your frame and suspension...
    14032645
    SKU:
    14032645
    Availability:
    Ships Same Business Day
    Weight:
    1.70 LBS
    $93.99
    Qty in Cart: 0
    Quantity:
    Price:
    $93.99
    Subtotal:
  • POLISPORT Fender - Rear - Enduro - Silver 8555700004

    POLISPORT Fender - Rear - Enduro - Silver 8555700004

    POLISPORT

    $93.99
    Enduro riding demands a fender that can withstand impacts, mud, and debris without compromising your bike's handling or aesthetics. The POLISPORT Rear Enduro Fender in Silver delivers proven durability and a clean look that works across multiple platform...
    14032646
    SKU:
    14032646
    Availability:
    Ships Same Business Day
    Weight:
    2.00 LBS
    $93.99
    Qty in Cart: 0
    Quantity:
    Price:
    $93.99
    Subtotal:
  • POLISPORT Fender - Rear - Enduro - Dark Orange 8555700005

    POLISPORT Fender - Rear - Enduro - Dark Orange 8555700005

    POLISPORT

    $93.99
    Enduro riding demands a rear fender that can withstand aggressive terrain, roost, and impact without compromising visibility or bike aesthetics. The POLISPORT Fender delivers OEM-quality durability with precision fitment, giving you reliable protection...
    14032647
    SKU:
    14032647
    Availability:
    Ships Same Business Day
    Weight:
    1.65 LBS
    $93.99
    Qty in Cart: 0
    Quantity:
    Price:
    $93.99
    Subtotal:
  • POLISPORT Fender - Rear - Enduro - Black 8555700006

    POLISPORT Fender - Rear - Enduro - Black 8555700006

    POLISPORT

    $93.99
    Enduro riding demands a fender that can withstand rock strikes, mud buildup, and aggressive trail conditions without compromising bike handling or aesthetics. The POLISPORT rear fender delivers durable protection while maintaining the clean lines your...
    14032648
    SKU:
    14032648
    Availability:
    Ships Same Business Day
    Weight:
    1.64 LBS
    $93.99
    Qty in Cart: 0
    Quantity:
    Price:
    $93.99
    Subtotal:
  • On Sale
    POLISPORT Fender - Rear - Enduro - Red 8555700007

    POLISPORT Fender - Rear - Enduro - Red 8555700007

    POLISPORT

    MSRP: $93.99
    Now: $60.00
    Was: $93.99
    Enduro riding demands fender protection that can handle aggressive terrain without compromising durability or aesthetics. The POLISPORT Rear Enduro Fender delivers lightweight, impact-resistant protection designed to keep mud, debris, and trail hazards...
    14032649
    SKU:
    14032649
    Availability:
    Ships Same Business Day
    Weight:
    1.51 LBS
    MSRP: $93.99
    Now: $60.00
    Was: $93.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $93.99
    Now: $60.00
    Was: $93.99
    Subtotal:
  • POLISPORT Fender - Rear - Enduro - White 8555700008

    POLISPORT Fender - Rear - Enduro - White 8555700008

    POLISPORT

    $93.99
    Enduro riding demands a fender that can handle impacts, mud, and debris without compromising your bike's handling or aesthetics. The POLISPORT Rear Enduro Fender delivers lightweight durability while maintaining the aggressive stance your bike needs for...
    14032650
    SKU:
    14032650
    Availability:
    Ships Same Business Day
    Weight:
    1.58 LBS
    $93.99
    Qty in Cart: 0
    Quantity:
    Price:
    $93.99
    Subtotal:
  • POLISPORT Fender - Rear - Orange - KTM 8567900008

    POLISPORT Fender - Rear - Orange - KTM 8567900008

    POLISPORT

    $56.99
    Your KTM's rear fender takes constant abuse from trail debris, impacts, and UV exposure—a compromised fender compromises your bike's appearance and protection. The POLISPORT Rear Fender delivers OEM-spec fitment and durability at a fraction of OEM...
    14031819
    SKU:
    14031819
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    $56.99
    Qty in Cart: 0
    Quantity:
    Price:
    $56.99
    Subtotal:
  • POLISPORT Fender - Rear - White - KTM 8567900013

    POLISPORT Fender - Rear - White - KTM 8567900013

    POLISPORT

    $56.99
    A damaged or worn rear fender compromises both the appearance and protection of your KTM's bodywork. This Polisport replacement delivers OEM-level fitment and durability without the OEM price tag, using proven DGP technology that resists impact and...
    14031820
    SKU:
    14031820
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $56.99
    Subtotal:
  • POLISPORT Fender - Rear - White - SX 65 8572300001

    POLISPORT Fender - Rear - White - SX 65 8572300001

    POLISPORT

    $56.99
    Stock plastic fenders take a beating on the track and trail—cracks, fading, and scuffs compromise both protection and aesthetics. The Polisport rear fender replaces damaged OEM components with a stronger, more durable alternative that maintains factory...
    14031827
    SKU:
    14031827
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    $56.99
    Qty in Cart: 0
    Quantity:
    Price:
    $56.99
    Subtotal:
  • POLISPORT Fender - Front - Orange - KTM 8573700001

    POLISPORT Fender - Front - Orange - KTM 8573700001

    POLISPORT

    $30.99
    A damaged or worn front fender compromises both the aesthetics and protection of your KTM—dirt, debris, and road spray can accumulate on critical components underneath. This POLISPORT replacement delivers OEM-level fitment with enhanced durability at a...
    14031829
    SKU:
    14031829
    Availability:
    Ships Same Business Day
    Weight:
    1.34 LBS
    $30.99
    Qty in Cart: 0
    Quantity:
    Price:
    $30.99
    Subtotal:
  • POLISPORT Fender - Rear - Orange - SX 85 8579400001

    POLISPORT Fender - Rear - Orange - SX 85 8579400001

    POLISPORT

    $27.99
    Dirt bikes take a beating, and your rear fender shouldn't be the weak link. The POLISPORT Rear Fender combines Polisport's proven DGP technology with OEM-matching fitment, delivering durability that outlasts standard plastic without the premium price tag...
    14031831
    SKU:
    14031831
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    $27.99
    Qty in Cart: 0
    Quantity:
    Price:
    $27.99
    Subtotal:
  • POLISPORT Fender - Rear - '98 OEM Blue - YZ 250F 8553300003

    POLISPORT Fender - Rear - '98 OEM Blue - YZ 250F 8553300003

    POLISPORT

    $31.99
    Stock OEM fenders take a beating on the track and trail, fading in the sun and cracking under impact. The POLISPORT rear fender gives you genuine OEM looks and fitment without the premium price tag, using advanced DGP polypropylene that's tougher than...
    14031838
    SKU:
    14031838
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    $31.99
    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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