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Peterbilt Mudflaps

Keep your Peterbilt trucks looking sharp and protected with tough, road-ready mud flaps built for long hauls. These Peterbilt mud flaps block dirt, rocks, and road debris from hitting your trailer or paint, while giving your rig that clean, finished look every driver wants. Made to fit Peterbilt trucks perfectly, each Peterbilt mud flap delivers the right mix of durability and style. Whether you're hauling cross-country or running local loads, these mudflaps hold up to the miles, the weather and the weight of the job, keeping your truck protected from road spray and ready for more.

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Categories

 

Standard / General Mudflaps

Standard Peterbilt mudflaps are the go-to option for everyday use, offering reliable protection against road debris and spray. These flaps feature classic OEM styling and durable rubber construction that fits most Peterbilt setups. Ideal for drivers who need a straightforward, long-lasting replacement.

  • PETERBILT MUDFLAP MF0011P-FG
  • PETERBILT MUDFLAP-24X24 PTRBLT BLK MF0012P-FG
  • Peterbilt Mudflap-Fender Black MF0004P-FG (OEM)
  • PETERBILT FLAPS FM3050MF-FG
  • PETERBILT PACCAR MUDFLAP MF0005P-FG
  • PETERBILT MUDFLAP-BLACK 3/16 24 RED PB LOGO 24X30BPET-R
  • PACCAR PETERBILT MUDFLAP-BLACK 3/16 24 RED PB 24X24BPET-R
  • PETERBILT MUDFLAP 1160B
  • PACCAR MUDFLAP-WHITE RED PB 24X30WPET
  • PETERBILT MUDFLAP-BLACK 3/16 24X24 PLA 24X24B

 

Heavy-Duty / Long-Haul Mudflaps

Heavy-duty mudflaps are built for demanding routes, harsh weather and long-haul applications. Made from thicker rubber, they resist tearing, curling and excessive wear. If you want maximum durability and stability on the road, this category is the best match.

  • PETERBILT MUDFLAP-24X30 3/8″ HD PAC24X30R12BRR
  • PACCAR MUDFLAP-24X36 3/8″ HD RUBBER PAC24X36R12BRR
  • PACCAR MUDFLAP-3/8″ 24X24 RED PB PAC24X24R12BRR

 

Fender / Quarter-Fender / Front-Fender Mudflaps

Fender and quarter-fender mudflaps are designed for tighter spaces and specific mounting points like hood, front and wheel-well areas. They offer targeted protection while maintaining a clean fit around curved panels and smaller openings. Perfect for replacing OEM fender flaps or fixing splash issues around the front end.

  • PETERBILT MUDFLAP-FRONT HOOD QTR FEND 15-06691
  • PACCAR PETERBILT MUDFLAP – FRONT FENDER MF0006P-FG
  • PETERBILT MUDFLAP-QTR FNDR WHT 1027WH
  • PETERBILT MUDFLAP-Fender Black MF0004P-FG (listed above also OEM fender — keep in both fender & standard if needed)
  • PETERBILT MUDFLAP-HOOD 388/389 W/PB LO L76-6000
  • PETERBILT MUDFLAP-HOOD 357 SFFA W/PB LOGO L76-6002

 

Tapered / Aerodynamic / Specialty Shape

These tapered and specialty-shaped flaps improve airflow, reduce drag and prevent flapping at high speeds. Their angled design adds stability while also giving the truck a cleaner look. Ideal for drivers who want a functional upgrade with a streamlined profile.

  • PETERBILT MUDFLAP-BLACK TAPER/CH MD-P66CF

 

Paintable / Customizable Mud flaps

Paintable mudflaps are blank, smooth and made to be customized with logos, colors or shop branding. They offer a clean surface perfect for fleet identification or personal graphics. Choose these if you want a custom look beyond standard OEM designs.

  • PACCAR MUDFLAP-24 X 36 PAINTABLE PL 2204429
  • PACCAR MUDFLAP-24X30 PAINTABLE HEAV 2204431

 

Smaller / Specialty Sizes

Smaller mudflaps fit compact mounting points where full-size flaps won't work. They're ideal for unique truck setups, specialty builds or auxiliary splash protection. These flaps still offer solid durability despite their more compact footprint.

  • PACCAR MUDFLAP-14X16 RED W/WHT 1159R
  • PETERBILT PETERBILT16X14 FLAPS MF0003P-FG 

 

Splash-Shield / Guard Items

Splash shields provide added protection in areas prone to excess spray, such as front fenders or inner wheel-wells. They're shaped to block water, mud and gravel more effectively than standard flat designs. Great for preventing buildup and protecting paint and hardware.

  • PACCAR GUARD-SPLASH FRONT FENDER 15-05477
  • PETERBILT MUDFLAP-SPLASH SHIELD N76-1012

 

Mud Flap Accessories & Mounting

Mudflap accessories include weights, frames, hangers, mounting plates, and arms, all essential for a secure, stable installation. These components help reduce flap movement, prevent curling and ensure proper alignment. If you're upgrading or replacing mudflaps, these accessories keep everything mounted safely and cleanly.

  • ROADWORKS BOTTOM S.S.FLAP WEIGHT 10424
  • UNITED PACIFIC TOP S.S.FLAP WEIGHT 21408
  • UNITED PACIFIC S.S.BOTTOM FLAP WEIGHT 21409
  • UNITED PACIFIC 16″SS BOTTOM WEIGHT 21413
  • PETERBILT WEIGHT-MUDFLAP-STAINLESS STE MD12051
  • PETERBILT WEIGHT-MUDFLAP-STAINLESS STE MD12061
  • TRP WEIGHT-MUDFLAP 18″ MD1113
  • TRP FRAME-ANTISAIL-MUDFLAP-FRAME MD11061
  • BETTS SPRING HOLDER-MUDFLAP PAIR B25
  • UNITED PACIFIC SS SPRING LOADED FLAP HANGER 10841
  • PACCAR HANGER-MUDFLAP PREM FLEX 30″ FM00151 LH
  • PACCAR HANGER-MUDFLAP SS W/OVAL NO FB00381
  • PACCAR HANGER-MUDFLAP PREM FLEX 30″ FM00136
  • PETERBILT PLATE-MUDFLAP MTG *C 18-02369
  • BETTS SPRING CO. ARM-MUDFLAP A35RL200

 

Materials Used in Mud flaps

Choosing the right material is key to getting long-lasting protection and performance. Different materials provide unique benefits depending on your driving conditions, hauling needs and whether you want standard durability or extra toughness. If you are not sure which one to choose, don't hesitate to contact PeteTruckParts and we will help you find the perfect fit for your Peterbilt.

Rubber

Rubber is the most common material for Peterbilt mudflaps. It's flexible, highly durable and resistant to cracking in a variety of weather conditions. Rubber flaps are great for standard hauling and everyday use, and they provide reliable protection against road debris.

Polyurethanes

Polyurethane flaps are stiffer than rubber and offer increased impact resistance. They are ideal for long-haul trucks or areas with heavy gravel and debris. This material maintains its shape better over time, reducing curling or flapping.

Plastic / Thermoplastic

Plastic or thermoplastic mudflaps are lightweight and often paintable, making them popular for fender or specialty applications. They are less durable than rubber or polyurethane but are perfect for aesthetic customization or light-duty use. If you're uncertain whether a plastic flap will meet your needs, we can provide guidance based on your Peterbilt model.

Stainless Steel / Composite Accents

Some flaps include stainless steel or composite reinforcements along the bottom edge. These enhance stability, prevent curling, and improve longevity in high-speed or windy conditions. They're often used in combination with rubber or polyurethane flaps for a professional, long-lasting setup.

 

Common Problems with Low-Quality Mudflaps

Using low-quality flaps can lead to frequent replacement or poor performance.

Curling or Flapping

Thin or poorly reinforced mudflaps bend or flap excessively at highway speeds. This can reduce protection for your truck and trailing vehicles. Choosing a flap with proper thickness or adding weights can prevent this problem.

Tearing or Cracking

Low-grade rubber or plastic may crack under extreme heat, cold, or heavy hauling conditions. This shortens lifespan and compromises performance. Selecting high-quality material with reinforced edges can significantly improve durability.

Poor Fitment

Generic flaps that don't match Peterbilt mounts can leave gaps, rub against tires and look unprofessional. Proper fitment gives maximum protection and a clean appearance. If you're unsure about fitment for your truck model, we can assist you in picking the right flap.

Reduced Lifespan Without Hardware

Skipping essential components like weights, hangers or anti-sail frames accelerates wear even on good-quality mudflaps. Proper installation hardware keeps flaps straight and stable, extending their life.

 

Types of Peterbilt Mud flaps

Peterbilt trucks require a variety of flap types depending on mounting position, size and driving needs. Knowing the different types helps you choose flaps that protect your truck while maintaining proper fit and style.

Standard / OEM-Style

Flat, classic flaps designed to match Peterbilt rear mounts. These are reliable, long-lasting, and ideal for everyday hauling. OEM-style flaps provide a professional look without compromising protection.

Heavy-Duty / Long-Haul

Thicker rubber or reinforced flaps made for long-distance routes, rough terrain, and heavy loads. They resist tearing, curling, and excessive wear. Choosing heavy-duty options can save money on replacements over time.

Fender / Quarter-Fender / Front-Mount

Shaped flaps designed for front fenders, wheel wells, or hood areas. They fit tight spaces and specific mounting points that standard flaps cannot.

Tapered / Aerodynamic

Angled designs reduce drag, minimize flapping at high speeds and provide a streamlined appearance. These flaps offer functional and aesthetic benefits. They're a great choice if you want performance plus style.

Paintable / Customizable

Blank or smooth surfaces suitable for logos, fleet branding or custom colors. Perfect for owner-operators or fleets looking for a personalized look.

 

Size Considerations

Getting the correct size is essential for proper coverage and stability. Peterbilt mudflaps come in standard sizes and specialty options for different mounting locations. If you can't find a suitable size or style that fits your truck, get in touch with us and we will find one for you.

  • Standard Sizes: Most Peterbilt trucks use 24×30 or 24×24 mudflaps. Specialty sizes like 24×36 or small fender flaps are used for front or quarter-fender positions. Always measure before purchasing.
  • Truck-Specific Fit: Make sure the flap is compatible with your specific Peterbilt model and mounting position: rear, front, or fender. Using the wrong size leads to reduced protection.
  • Installation Hardware: Some flaps require weights, hangers, anti-sail frames, or plates for proper alignment. Including the correct hardware improves flap stability and longevity.

 

FAQs

What size mudflaps does a Peterbilt typically use?

Most Peterbilt trucks use 24×30 mudflaps in the rear, but some setups use 24×24 or 24×36 depending on the configuration. Always measure your current mounting points to confirm.

Are heavy-duty mud flaps worth it?

Yes, if you drive long distances, haul heavy loads, or run in rough weather, the thicker 3/8" rubber provides better durability and prevents tearing and curling.

How do I know if I need fender or quarter-fender flaps instead of standard ones?

If the flap mounts directly to the fender, hood or wheel-well area instead of the rear frame, you need a fender-specific or quarter-fender style. These are shaped differently and won't interchange with standard flaps.

Do I need mud flap weights or anti-sail frames?

You don't need them, but they help stabilize the flap at highway speeds and keep it from curling forward. Many drivers add weights or frames for a cleaner look and longer flap life.

What's the benefit of paintable mudflaps?

Paintable mudflaps let you customize the surface with logos, colors or fleet branding. They're ideal for owner-operators or companies that want a more personalized look.

Will Peterbilt mudflaps fit other truck brands?

Not always. Many sizes of semi truck mud flaps are universal, but branded/OEM-shaped flaps (especially hood, fender, and tapered designs) are meant specifically for Peterbilt mounts.

How often should mud flaps be replaced?

Replace them when you see cracking, tearing, curling or when they no longer hang straight. Heavy-duty rubber lasts longer, but mounting hardware also plays a big role in lifespan.

Do I need new hangers or mounting hardware when replacing mudflaps?

Not every time, but if your hangers are bent, corroded or loose, replacing them guarantees the new flaps stay secure. Many installations improve drastically just by upgrading the hardware.

Can I install Peterbilt mud flaps myself, or should I go to a shop?

Most mudflaps can be installed by someone with basic tools, especially if your truck uses bolt-on or no-drill designs. However, for fender-specific flaps or heavy-duty setups, a professional installation is needed for proper alignment and to prevent damage.

Do mud flaps affect fuel efficiency?

Standard mudflaps have minimal effect on fuel economy, but oversized or improperly mounted flaps can slightly increase drag. Tapered or aerodynamic mudflaps reduce drag while still protecting your truck from debris.

BETTS SPRING CO. ARM-MUDFLAP A35RL200