PETERBILT 24" x 30" Heavy-Duty Rubber Mud Flaps Pair — 1/4" Thick Black, OEM Fit for 330–389 & 579

PETERBILT 24" x 30" heavy-duty 1/4" black rubber mud flaps — a durable, USA-made pair designed to replace OEM #3050MF and fit many classic and modern PETERBILT models.

These mud flaps are engineered for long-lasting road protection and compatibility with a wide range of PETERBILT trucks. Manufactured from thick black rubber, the 24" x 30" panels resist tearing and flex while helping shield trailers, chassis, and following vehicles from road spray and debris. Because they are sold as a matched pair and produced in the United States, they’re a practical replacement choice for fleets and owner-operators maintaining PETERBILT rigs built across several decades.

Which PETERBILT models do these mud flaps fit?

They’re sized and shaped to match OEM form and bolt patterns for many PETERBILT cabs and sleepers. Use them as direct replacements on older and newer models listed by year span, ensuring straightforward installation where 24" x 30" flaps are required.

• Compatible with models including 330, 335, 352, 359, 362, 375, 377, 378, 379, 386, 387, 388, 389, and 579.
• Year coverage ranges from 1967 models through select 2014 production runs.
• Designed to replace OEM part number 3050MF for direct swap-out.

How durable are these 1/4" rubber mud flaps for heavy use?

The quarter-inch thickness provides a substantial barrier against stones, slush, and road spray, helping reduce wear on trailer sides and undercarriage components. Built for heavy-duty applications, they flex under impact instead of cracking, which extends service life compared with thinner alternatives.

• 1/4" thick black rubber resists tearing and splitting under load.
• Thick edge and body construction help deflect debris away from vehicle surfaces.
• Suitable for long-haul and vocational use where aggressive road conditions are common.

What are the installation and maintenance essentials?

Installation is straightforward when using existing mounting points that accept the OEM 3050MF size and pattern. Routine maintenance involves visual checks and occasional cleaning to remove caked mud and chemicals that could accelerate wear.

• Sold in pairs to match left and right mounting positions for balanced protection.
• Check fasteners and backing plates periodically; replace hardware if corroded.
• Clean with mild detergent and water; avoid harsh solvents that can damage rubber.

Why choose PETERBILT-branded mud flaps made in the USA?

Manufacturer-branded parts often follow original dimensions and materials, simplifying fitment and preserving vehicle appearance. USA production supports consistent quality control and can shorten lead times for replacement parts used in fleets and single-truck operations.

• PETERBILT branding signals OEM fit intent and original-size specifications.
• Made in the USA for traceable manufacturing and reliable consistency.
• Sold as a matched pair for uniform coverage and easier installation.

Who is this for? Fleet managers, owner-operators, and restoration specialists who need robust, OEM-compatible mud flaps for PETERBILT trucks will find this pair practical. If you operate or maintain 330–389 series rigs and select 579 models across the listed years, these 24" x 30" 1/4" rubber flaps provide a cost-effective way to restore protection, preserve vehicle finish, and meet common roadway debris-control expectations.