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Freightliner M2 Business Class Parts

The Freightliner M2 Business Class semi-truck is a solid medium-duty truck that offers the versatility and reliability you'd expect from Freightliner, but we can make you stand out even more by customizing your semi truck with quality parts and chrome accessories from 4 State Trucks. When you drive an M2 Business Class, you'll enjoy top-notch features like maneuverability, roomy interior, and great driver visibility that make it fun and easy to keep your truck on the road. Whether you need bumpers, exhaust, fuel tanks, or any other aftermarket or custom parts for your M2, 4 State Trucks has got you covered - shop our selection of Freightliner parts today.
  • Product
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  • Price
  • Subtotal
  • 29 Inch Heavy Duty Full Tandem Fender Mounting Arm Kit

    29 Inch Heavy Duty Full Tandem Fender Mounting Arm Kit

    UNITED PACIFIC

    $590.99 - $680.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks29 Inch Full Tandem Fender Mounting Arm Kit - 9 Inch Adjustable430 SS Universal Standard Full Tandem...
    PPR_299732
    SKU:
    PPR_299732
    Type Options:
    Half
    Length Options:
    29 Inch
    Size Options:
    14 Gauge
    Product Type:
    Rear Fenders
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Style Options:
    Full Fender
    Position:
    Kit Full
    $590.99 - $680.99
    Qty in Cart: 0
    Price:
    $590.99 - $680.99
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  • Stainless Steel Smooth Half Fender With Rolled Edge 16 Gauge

    Stainless Steel Smooth Half Fender With Rolled Edge 16 Gauge

    UNITED PACIFIC

    $815.99 - $880.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks60 Inch Stainless Steel Smooth Half Fender With Rolled Edge 16 Gauge16 Gauge SS Roll Formed Edge Half...
    PPR_299734
    SKU:
    PPR_299734
    Length Options:
    80 Inch
    Size Options:
    16 Gauge
    Length Options:
    66 Inch
    Width Options:
    45 Inch
    Product Type:
    Rear Fenders
    Length Options:
    60 Inch
    Finish Options:
    Smooth
    Width Options:
    31 Inch
    Material Options:
    Stainless Steel
    Width Options:
    25 Inch
    Type Options:
    Half
    Make:
    Universal Items
    Style Options:
    Half Fender
    Position:
    Kit Full
    $815.99 - $880.99
    Qty in Cart: 0
    Price:
    $815.99 - $880.99
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  • Stainless Steel Smooth Half Fender 16 Gauge

    Stainless Steel Smooth Half Fender 16 Gauge

    UNITED PACIFIC

    $437.99 - $807.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks60 Inch Stainless Steel Smooth Half Fender 16 GaugeSE Series 16 Gauge SS Half FenderThis 16-gauge...
    PPR_299733
    SKU:
    PPR_299733
    Length Options:
    80 Inch
    Size Options:
    16 Gauge
    Length Options:
    66 Inch
    Width Options:
    45 Inch
    Product Type:
    Rear Fenders
    Length Options:
    60 Inch
    Finish Options:
    Smooth
    Width Options:
    31 Inch
    Material Options:
    Stainless Steel
    Width Options:
    25 Inch
    Type Options:
    Half
    Make:
    Universal Items
    Style Options:
    Half Fender
    $437.99 - $807.99
    Qty in Cart: 0
    Price:
    $437.99 - $807.99
    Subtotal:
  • W.T.I. XL Single Axle Fender

    W.T.I. XL Single Axle Fender

    WTI FENDERS

    $433.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksWTI 48.5 X 26 X 30.5 Inch Gray Fiberglass Single Axle Fender W/ Small Trim48.5 X 26 X 30.5 Inch Gray...
    PPR_299617
    SKU:
    PPR_299617
    Height Options:
    30 1/2 Inch
    Location:
    Made In USA
    Color:
    Gray
    Style Options:
    Small Trim
    Length Options:
    48 1/2 Inch
    Color:
    White
    Color:
    Black
    Product Type:
    Rear Fenders
    Length Options:
    48 Inch
    Width Options:
    26 Inch
    Height Options:
    30 Inch
    Style Options:
    Mid Trim
    Material Options:
    Fiberglass
    Style Options:
    Wide Trim
    Make:
    Universal Items
    $433.99
    Qty in Cart: 0
    Price:
    $433.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Polished Decorative Grille Bar With 2 Pointed Ends

    Polished Decorative Grille Bar With 2 Pointed Ends

    TURNPIKE TRUCK TRIM

    $21.68 - $38.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks31.5 Inch Stainless Steel Grille Bar W/ 2 Pointed Ends31.5 Inch Grille Bar W/ 2 Pointed Ends* High...
    PPR_299592
    SKU:
    PPR_299592
    Length Options:
    31 1/2 Inch
    Length Options:
    38 Inch
    Style Options:
    Pointed
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Length Options:
    34 Inch
    Length Options:
    33 1/2 Inch
    Length Options:
    37 Inch
    Length Options:
    39 1/2 Inch
    Length Options:
    39 Inch
    Product Type:
    Hood Parts & Acc.
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $21.68 - $38.99
    Qty in Cart: 0
    Price:
    $21.68 - $38.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Drive Hub Cover With Punched Holes

    Drive Hub Cover With Punched Holes

    AFTERMARKET

    $76.99 - $109.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksStainless Steel Hub Cover W/ Punched Hole Design For Dana Spicer Drive Axle Ends8.75 X 5.5 Inch Hub...
    PPR_299594
    SKU:
    PPR_299594
    Position:
    Rear
    Style Options:
    Rockwell
    Diameter Options:
    5 1/2 Inch
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Height Options:
    5 Inch
    Style Options:
    Punched
    Style Options:
    Dana Spicer
    Height Options:
    5 1/2 Inch
    Product Type:
    Wheels
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $76.99 - $109.99
    Qty in Cart: 0
    Price:
    $76.99 - $109.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Universal Stealth Black Rear High Hats

    Universal Stealth Black Rear High Hats

    REALWHEELS

    $111.29 - $159.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRealWheels 8 Inch Stealth Black Rear High Hat W/ 8.25- 8.75 Inch Drive Axle, 5.75- 7.75 Inch Axle...
    PPR_299622
    SKU:
    PPR_299622
    Product Type:
    Wheels
    Make:
    Universal Items
    Color:
    Black
    Height Options:
    8 Inch
    Style Options:
    High Hat
    Finish Options:
    Black Powder Coat
    Diameter Options:
    8 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Height Options:
    10 Inch
    Type Options:
    Standard Mount
    Position:
    Rear
    Ready To Ship:
    Yes
    $111.29 - $159.99
    Qty in Cart: 0
    Price:
    $111.29 - $159.99
    Subtotal:
  • Wiring Harness W/ 1 male Packard Plug & 7 Dual Bullet Plugs

    Wiring Harness W/ 1 male Packard Plug & 7 Dual Bullet Plugs

    PHOENIX DESIGN

    $15.39
    Wiring Harness W/ 1 male Packard Plug & 7 Dual Bullet Plugs For Air Breather LightsUpgrade or replace your air breather light connections with this premium wiring harness, featuring 1 male Packard...
    09-1603056
    SKU:
    09-1603056
    Style Options:
    Bullet
    Product Type:
    Lighting
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $15.39
    Qty in Cart: 0
    Price:
    $15.39
    Subtotal:
  • On Sale
    Limited Quantity Available
    Rotator Assembly W/ Chrome Reflector

    Rotator Assembly W/ Chrome Reflector

    STAR HEADLIGHT & LANTERN CO.

    Now: $9.84
    Was: $39.49
    Rotator Assembly W/ Complete Motor & Reflector AssemblyEnsure your vehicle runs at peak efficiency with this durable Rotator Assembly, designed for long-lasting performance under heavy-duty...
    09-1609501
    SKU:
    09-1609501
    Truck Class:
    Heavy Duty
    Product Type:
    Lighting
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $9.84
    Was: $39.49
    Qty in Cart: 0
    Price:
    Now: $9.84
    Was: $39.49
    Subtotal:
  • Steel Plug O-Ring Boss Hydraulic Adapter

    Steel Plug O-Ring Boss Hydraulic Adapter

    AUTOMANN USA

    $2.27 - $2.31
    The steel plug O-ring boss hydraulic adapter offers a reliable solution for sealing or adapting O-ring boss ports in hydraulic systems and is available in multiple size options to fit your setup. You...
    PPR_299730
    SKU:
    PPR_299730
    Length Options:
    3/4 Inch
    Material Options:
    Steel
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $2.27 - $2.31
    Qty in Cart: 0
    Price:
    $2.27 - $2.31
    Subtotal:
  • 1/2 Inch -13 Thread-On Gearshift Knob With Eaton Fuller Style 9/10 Shifter Adapter

    1/2 Inch -13 Thread-On Gearshift Knob With Eaton Fuller Style 9/10 Shifter Adapter

    UNITED PACIFIC

    $69.99
    Upgrade your shifting experience with the 1/2-inch-13 threaded gearshift knob that includes an Eaton Fuller-style 9/10 shifter adapter, designed for versatile fitment across a range of transmissions...
    PPR_299726
    SKU:
    PPR_299726
    Style Options:
    Thread On
    Color:
    Black
    Material Options:
    Aluminum
    Product Type:
    Interior
    Make:
    Universal Items
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • Gun Cylinder 13/15/18 Speed Gearshift Knob

    Gun Cylinder 13/15/18 Speed Gearshift Knob

    UNITED PACIFIC

    $59.99
    Add distinctive style and improved feel to your rig with the gun cylinder gearshift knob designed for 13, 15, and 18-speed transmissions. This eye-catching knob features a rugged, firearm-inspired...
    PPR_299729
    SKU:
    PPR_299729
    Color:
    Black
    Color:
    Blue
    Color:
    Orange
    Color:
    Red
    Color:
    Green
    Color:
    Yellow
    Color:
    Silver
    Material Options:
    Aluminum
    Color:
    White
    Product Type:
    Interior
    Style Options:
    Thread On
    Make:
    Universal Items
    Make:
    Peterbilt
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • Dietz Style Headlight Housing & 34222 Pigtail

    Dietz Style Headlight Housing & 34222 Pigtail

    UNITED PACIFIC

    $56.99 - $106.99
    The Dietz-style headlight housing with pigtail provides a classic, versatile lighting solution for standard 7 inch sealed beam, halogen, and most LED headlight bulbs. Designed for straightforward...
    PPR_299731
    SKU:
    PPR_299731
    Finish Options:
    Black Powder Coat
    Diameter Options:
    7 Inch
    Finish Options:
    Chrome-Plated
    Color:
    Black
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Universal Items
    $56.99 - $106.99
    Qty in Cart: 0
    Price:
    $56.99 - $106.99
    Subtotal:
  • Chrome Interior Rear View Mirror, Screw-On Mount

    Chrome Interior Rear View Mirror, Screw-On Mount

    UNITED PACIFIC

    $42.42
    Add a polished, classic touch to your cab with the chrome interior rear view mirror featuring a screw-on mount and your choice of rectangular or oval shape to suit your style and visibility needs...
    PPR_299728
    SKU:
    PPR_299728
    Shape Options:
    Oval
    Material Options:
    Aluminum
    Style Options:
    Thread On
    Finish Options:
    Chrome-Plated
    Shape Options:
    Rectangular
    Product Type:
    Interior
    Make:
    Universal Items
    $42.42
    Qty in Cart: 0
    Price:
    $42.42
    Subtotal:
  • 1/2 Inch -13 Thread-On Gearshift Knob With Eaton Fuller Style 13/15/18 Shifter Adapter

    1/2 Inch -13 Thread-On Gearshift Knob With Eaton Fuller Style 13/15/18 Shifter Adapter

    UNITED PACIFIC

    $69.99
    Add a custom touch and improved feel to your shifter with the 1/2-inch-13 threaded gearshift knob that includes an Eaton Fuller-style 13/15/18 shifter adapter for versatile fitment. This replacement...
    PPR_299725
    SKU:
    PPR_299725
    Color:
    Black
    Product Type:
    Interior
    Material Options:
    Aluminum
    Style Options:
    Thread On
    Make:
    Universal Items
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • Chrome Interior Rear View Mirror, Glue On Mount

    Chrome Interior Rear View Mirror, Glue On Mount

    UNITED PACIFIC

    $42.42
    Add a polished touch to your cab with a rectangular or oval shaped chrome interior rear view mirror featuring a glue-on mount for easy installation. This sleek mirror delivers a clean, reflective...
    PPR_299727
    SKU:
    PPR_299727
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Shape Options:
    Rectangular
    Shape Options:
    Oval
    Material Options:
    Aluminum
    Make:
    Universal Items
    $42.42
    Qty in Cart: 0
    Price:
    $42.42
    Subtotal:
  • Pressure Protection Valve

    Pressure Protection Valve

    VELVAC

    $39.70 - $52.99
    The pressure protection valve available from 4 State Trucks helps maintain air system integrity by allowing air to flow only after system pressure reaches the chosen threshold, protecting critical...
    PPR_299712
    SKU:
    PPR_299712
    Product Type:
    Air, Electrical, & Safety
    Location:
    Made In USA
    Rating:
    55 PSI
    Make:
    Universal Items
    Material Options:
    Steel
    $39.70 - $52.99
    Qty in Cart: 0
    Price:
    $39.70 - $52.99
    Subtotal:
  • Stop/Turn 3rd Brake Light with Swivel Pedestal Base - Red LED / Red Lens

    Stop/Turn 3rd Brake Light with Swivel Pedestal Base - Red LED / Red Lens

    UNITED PACIFIC

    $32.10
    The stop/turn 3rd brake light with an adjustable pedestal base delivers bright, reliable visibility with red LEDs under a red lens, making it an excellent choice for enhanced safety on the road...
    PPR_299713
    SKU:
    PPR_299713
    Product Type:
    Lighting
    Color:
    Red
    Material Options:
    Plastic/Poly
    Style Options:
    LED
    Make:
    Universal Items
    Degree Options:
    180
    Style Options:
    Split Function
    $32.10
    Qty in Cart: 0
    Price:
    $32.10
    Subtotal:
  • Stainless Steel Rear Center Panel With 4- 4 Inch Turbine Light & 6- 2 Inch Lights - Red LED / Red Lens

    Stainless Steel Rear Center Panel With 4- 4 Inch Turbine Light & 6- 2 Inch Lights - Red LED / Red Lens

    UNITED PACIFIC

    $316.99
    Transform your truck's rear lighting with the stainless steel rear center panel featuring four 4-inch round lights and six 2-inch LED lights, all with red lenses for strong visibility. This polished...
    PPR_299714
    SKU:
    PPR_299714
    Product Type:
    Frame & Chassis
    Color:
    Red
    Material Options:
    Stainless Steel
    Width Options:
    34 Inch
    Make:
    Universal Items
    Position:
    Rear
    Finish Options:
    Polished
    $316.99
    Qty in Cart: 0
    Price:
    $316.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Bawer Tool Box Top Tray With 6 Inch Oval Light Hole- 4 X 18 X 48 Inch

    Bawer Tool Box Top Tray With 6 Inch Oval Light Hole- 4 X 18 X 48 Inch

    BAWER TOOL BOXES

    $92.77 - $147.45
    Upgrade your truck's storage and functionality with the Bawer Tool Box Top Tray featuring a 6-inch oval light hole, measuring 4 x 18 x 48 inches. Available in high-quality stainless steel or a sleek...
    PPR_299709
    SKU:
    PPR_299709
    Length Options:
    48 Inch
    Color:
    Black
    Width Options:
    18 Inch
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Height Options:
    4 Inch
    Product Type:
    Toolboxes
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $92.77 - $147.45
    Qty in Cart: 0
    Price:
    $92.77 - $147.45
    Subtotal:
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Adding your products to cart

When your Freightliner M2 Business Class is your daily workhorse, you need parts that can keep up. Whether you're hauling, delivering, or running job to job, our aftermarket parts and accessories help your rig stay sharp, strong, and road-ready.

Aftermarket Freightliner M2 Business Accessories

Our aftermarket semi truck parts are reliable, high-quality components—from front bumpers and grilles to lights, mirrors, exhausts, and more. Need engine parts to keep your powertrain smooth? Or custom touches to make your truck stand out? We’ve got it all.

Why Upgrade Your Semi Truck Parts?

- Built for performance: Get durable parts that stand up to heavy-duty jobs. - Boost your style: Chrome accents, lighting upgrades, and custom add-ons. - Fit you can trust: Designed to match the M2’s exact specs for a smooth install. - Versatile options: Perfect for owner-operators, fleets, and vocational trucks.
Whether you’re replacing worn components or tricking out your cab, the right parts make all the difference. Keep your Freightliner M2 Business Class looking great and running strong—mile after mile.

Frequently Asked Questions About Freightliner M2 Business Class Parts

What years and models of Freightliner M2 Business Class trucks do your parts fit?

Our parts are designed to fit Freightliner M2 Business Class trucks from 2003 to present. However, compatibility can vary by specific part type. For bumpers and body panels, there are typically three main design generations: 2003-2007, 2008-2017, and 2018-present. Always check the product description for exact year ranges, or contact our team with your OEM number to ensure proper fitment. Some parts may also fit the M2 106 and M2 112 variants, but verify compatibility before ordering.

Are aftermarket bumpers as durable as OEM parts, and what materials are they made from?

Quality aftermarket bumpers for the M2 Business Class are typically constructed from either heavy-duty steel (16-gauge or thicker) or high-impact ABS plastic, depending on the application. Steel bumpers often feature chrome plating or powder coating for corrosion resistance. While OEM parts meet factory specifications, many aftermarket options actually exceed OEM durability standards, especially those designed for vocational use. Look for bumpers with reinforced mounting brackets and proper drainage holes to prevent rust. We clearly specify material thickness and coating type in each product listing.

What are the most common installation challenges when replacing M2 Business Class bumpers?

The most frequent installation issues include: alignment with existing mounting holes (especially on 2008+ models where hole patterns changed), proper fitment around fog lights and sensors, and weight management during installation (steel bumpers can weigh 80-150 pounds). Many customers report needing to slightly enlarge mounting holes or use washers for proper alignment. We recommend having a second person assist with installation and using a floor jack to support the bumper during mounting. Installation typically takes 2-3 hours with basic tools, though vehicles with air dam systems or integrated step plates may require additional time.

What finish options are available, and which holds up best for different applications?

Common finishes include chrome-plated steel, polished stainless steel, painted steel, and textured plastic. For highway applications, chrome provides the classic look but requires regular maintenance to prevent pitting. Polished stainless steel costs more initially but resists corrosion better in salt-heavy regions. For vocational trucks in construction or waste management, painted steel bumpers with textured powder coating offer the best impact resistance and easy touch-up capability. Plastic bumpers work well for urban delivery trucks where weight savings and minor impact absorption are priorities.

Do I need to order additional hardware or brackets when buying a replacement bumper?

Most replacement bumpers come with new mounting brackets, but rarely include bolts, nuts, or washers. Plan to purchase Grade 8 hardware separately - typically you'll need 8-12 bolts (usually 1/2" or 5/8" diameter) with corresponding lock washers and nuts. Some installations may require bumper-to-frame adapter brackets if switching between bumper styles or upgrading from plastic to steel. Fog light brackets, license plate holders, and step plates are usually sold separately. Check if your existing hardware is reusable, but having new hardware on hand prevents installation delays.


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