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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.
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  • Smooth Aluminum Tool Box W/ Aluminum Roll-Up Door & Stainless Steel Grab Bar- 72 X 30 X 24 Inch

    Smooth Aluminum Tool Box W/ Aluminum Roll-Up Door & Stainless Steel Grab Bar- 72 X 30 X 24 Inch

    ICONIC

    $2,394.99
    72 X 30 X 24 Inch Aluminum Tool Box W/ Roll-Up Door & Grab BarKeep your tools organized and secure with the 72 x 30 x 24 Inch Smooth Aluminum Tool Box, designed with an anodized aluminum roll-up door...
    09-0201151
    SKU:
    09-0201151
    Finish Options:
    Smooth
    Height Options:
    30 Inch
    Product Type:
    Toolboxes
    Width Options:
    72 Inch
    Length Options:
    24 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,394.99
    Qty in Cart: 0
    Price:
    $2,394.99
    Subtotal:
  • Smooth Aluminum Underbody Tool Box W/ Dual Barn Doors- 72 X 36 X 36 Inch

    Smooth Aluminum Underbody Tool Box W/ Dual Barn Doors- 72 X 36 X 36 Inch

    ICONIC

    $2,014.99
    72 X 36 X 36 Inch Smooth Aluminum Underbody Tool Box W/ Dual Barn DoorsTake your truck organization to the next level with this oversized 72-inch underbody tool box crafted from smooth marine-grade...
    09-020100850
    SKU:
    09-020100850
    Finish Options:
    Smooth
    Height Options:
    36 Inch
    Product Type:
    Toolboxes
    Width Options:
    36 Inch
    Length Options:
    72 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,014.99
    Qty in Cart: 0
    Price:
    $2,014.99
    Subtotal:
  • Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-Handle- 18 X 25.13 X 21 Inch

    Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-Handle- 18 X 25.13 X 21 Inch

    ICONIC

    $729.99
    18 X 25.13 X 21 Inch Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-HandleWhen durability meets smart design, you get the Smooth Aluminum Step Box with Lockable T-Handle and Smooth...
    09-020100625
    SKU:
    09-020100625
    Length Options:
    21 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    25 Inch
    Width Options:
    18 Inch
    Make:
    Universal Items
    $729.99
    Qty in Cart: 0
    Price:
    $729.99
    Subtotal:
  • Brunner Stainless Steel Fan Shroud Cover For Thermo King Tripac Evolution Model APU Equipped With External Condensers

    Brunner Stainless Steel Fan Shroud Cover For Thermo King Tripac Evolution Model APU Equipped With External Condensers

    BRUNNER FABRICATION

    $320.99
    Thermo King Tripac Evolution Model APU Fan Shroud Cover By BrunnerImprove APU protection with this Brunner stainless steel fan shroud cover designed for Thermo King TriPac Evolution systems using...
    09-020100547
    SKU:
    09-020100547
    Material Options:
    Stainless Steel
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $320.99
    Qty in Cart: 0
    Price:
    $320.99
    Subtotal:
  • Brunner Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover- Opens Passenger Side- 22 X 24 X 22 Inch

    Brunner Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover- Opens Passenger Side- 22 X 24 X 22 Inch

    BRUNNER FABRICATION

    $720.99
    22 X 24 X 22 Inch Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover By BrunnerBuilt to handle the rigors of the road, this Brunner smooth aluminum step box delivers...
    09-020100539
    SKU:
    09-020100539
    Position:
    Passenger Side
    Material Options:
    Aluminum
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Length Options:
    22 Inch
    Width Options:
    22 Inch
    Make:
    Universal Items
    $720.99
    Qty in Cart: 0
    Price:
    $720.99
    Subtotal:
  • 34 Inch Stainless Steel Rear Reverse T-Bar Light Bar W/ 8 Round 4 Inch Light Holes

    34 Inch Stainless Steel Rear Reverse T-Bar Light Bar W/ 8 Round 4 Inch Light Holes

    ARANDA TRUCK ACCESSORIES

    $1,359.99
    34 Inch Rear Reverse T-Bar Light Bar W/ 4 Round 4 Inch Light Hole Each EndGive your truck a rear lighting upgrade that combines durability and style with this 34-inch stainless steel rear reverse...
    09-0110082
    SKU:
    09-0110082
    Light Options:
    Without Lights
    Size Options:
    14 Gauge
    Location:
    Made In USA
    Width Options:
    34 Inch
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Product Type:
    Bumpers
    Make:
    Universal Items
    $1,359.99
    Qty in Cart: 0
    Price:
    $1,359.99
    Subtotal:
  • 6.5 X 25 Inch Stainless Steel Two Plate License Plate Holder

    6.5 X 25 Inch Stainless Steel Two Plate License Plate Holder

    BORES

    $79.99
    6.5 X 25 Inch Two Plate License Plate Holder- Flanged MountKeep your truck looking sharp while staying fully compliant with the 6.5 X 25 Inch Stainless Steel Two Plate License Plate Holder, crafted...
    09-01070057
    SKU:
    09-01070057
    Style Options:
    Flanged
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    Make:
    Universal Items
    $79.99
    Qty in Cart: 0
    Price:
    $79.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Merritt 45.5 Inch Diamond Plate Aluminum Single Axle Fender

    Merritt 45.5 Inch Diamond Plate Aluminum Single Axle Fender

    MERRITT

    Now: $176.39
    Was: $251.99
    45.5 Inch Diamond Plate Aluminum Single Axle Fender By MerrittBuilt for truckers who demand the best, the Merritt 45.5 Inch Diamond Plate Aluminum Single Axle Fender provides unbeatable strength and...
    00070815C
    SKU:
    00070815C
    Finish Options:
    Diamond Plate
    Material Options:
    Aluminum
    Location:
    Made In USA
    Width Options:
    25 Inch
    Length Options:
    45 1/2 Inch
    Style Options:
    Single Axle
    Height Options:
    16 1/2 Inch
    Product Type:
    Exterior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $176.39
    Was: $251.99
    Qty in Cart: 0
    Price:
    Now: $176.39
    Was: $251.99
    Subtotal:
  • FREE SHIPPING OVER $249
    12 Gauge Red Electrical Wire - Sold Per Foot

    12 Gauge Red Electrical Wire - Sold Per Foot

    PARTS DISTRIBUTING

    $2.03
    Red 12 Gauge Electrical WireDoes your next project require 12 gauge electrical wire? 4 State Trucks carries red electrical wire sold by the foot to assist you with the required amount you need. Order...
    09-16031202
    SKU:
    09-16031202
    Product Type:
    Air, Electrical, & Safety
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $2.03
    Qty in Cart: 0
    Price:
    $2.03
    Subtotal:
  • FREE SHIPPING OVER $249
    12 Gauge Black Electrical Wire - Sold Per Foot

    12 Gauge Black Electrical Wire - Sold Per Foot

    SPECTRO WIRE

    $1.21
    Black 12 Gauge Electrical WireDo you need 12 gauge electrical wire for your next project? 4 State Trucks sells black electrical wire by the foot so you can be sure you will get exactly the length you...
    09-16031201
    SKU:
    09-16031201
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $1.21
    Qty in Cart: 0
    Price:
    $1.21
    Subtotal:
  • RealWheels Polished Aluminum Shifter Base Insert Set

    RealWheels Polished Aluminum Shifter Base Insert Set

    REALWHEELS

    $32.63 - $38.75
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks275- 254MM Stealth Black Aluminum Shifter Base Insert275- 254MM Aluminum Shifter Base Insert- Black*...
    PPR_299529
    SKU:
    PPR_299529
    Finish Options:
    Polished
    Finish Options:
    Black Powder Coat
    Location:
    Made In USA
    Product Type:
    Interior
    Color:
    Black
    Material Options:
    Aluminum
    Make:
    Universal Items
    $32.63 - $38.75
    Qty in Cart: 0
    Price:
    $32.63 - $38.75
    Subtotal:
  • Diamond Billet Aluminum Shifter Floor Cover Plate

    Diamond Billet Aluminum Shifter Floor Cover Plate

    REALWHEELS

    $487.99 - $526.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBlack Powder Coat Diamond Billet Aluminum Shifter Floor Cover PlateShifter Floor Cover Plate- Black*...
    PPR_299516
    SKU:
    PPR_299516
    Finish Options:
    Black Powder Coat
    Material Options:
    Billet Aluminum
    Product Type:
    Interior
    Color:
    Black
    Height Options:
    3/8 Inch
    Make:
    Universal Items
    Height Options:
    1 1/4 Inch
    Type Options:
    Surface Mount
    Width Options:
    7/8 Inch
    Length Options:
    2 1/2 Inch
    Material Options:
    Plastic/Poly
    $487.99 - $526.99
    Qty in Cart: 0
    Price:
    $487.99 - $526.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Universal Stainless Steel Rear High Hats

    Universal Stainless Steel Rear High Hats

    REALWHEELS

    $95.19 - $65,536.00
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of TrucksRealWheels 10 Inch SS Rear High Hat W/ 8.25 -8.75 Inch Drive Axle, 5.75- 7.75 Inch Axle Depth, Logo &...
    PPR_299518
    SKU:
    PPR_299518
    Height Options:
    8 1/2 Inch
    Height Options:
    8 Inch
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Height Options:
    10 Inch
    Location:
    Made In USA
    Height Options:
    6 Inch
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Diameter Options:
    6 1/4 Inch
    Style Options:
    High Hat
    Diameter Options:
    8 Inch
    Type Options:
    Standard Mount
    Finish Options:
    Polished
    Diameter Options:
    6 1/2 Inch
    Position:
    Rear
    $95.19 - $65,536.00
    Qty in Cart: 0
    Price:
    $95.19 - $65,536.00
    Subtotal:
  • FREE SHIPPING OVER $249
    5 - 5/16 Inch Diameter x 1 - 5/8 Inch Height Round Sleeper LED Light W/ Housing & Color Option

    5 - 5/16 Inch Diameter x 1 - 5/8 Inch Height Round Sleeper LED Light W/ Housing & Color Option

    GRAND GENERAL

    $43.04 - $46.49
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of TrucksWhite LED 4 Inch Round Sleeper Light W/ Clear Lens4 Inch Round White LED Sleeper Light W/ Clear Lens &...
    PPR_299517
    SKU:
    PPR_299517
    Diameter Options:
    5 5/16 Inch
    Finish Options:
    Chrome-Plated
    Style Options:
    LED
    Color:
    Green
    Height Options:
    1 5/8 Inch
    Color:
    Red
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Style Options:
    Chrome Housing
    Diameter Options:
    4 Inch
    Shape Options:
    Round
    Color:
    Blue
    Diameter Options:
    5 1/4 Inch
    Product Type:
    Lighting
    Color:
    White/Clear
    Ready To Ship:
    Yes
    $43.04 - $46.49
    Qty in Cart: 0
    Price:
    $43.04 - $46.49
    Subtotal:
  • FREE SHIPPING
    GBATS 2025 Black T Shirt With Back Kenworth Graphic

    GBATS 2025 Black T Shirt With Back Kenworth Graphic

    4 STATE TRUCKS

    $27.50
    Choose Option(s) to see description.GBATS 2025 Black T Shirt With Back Kenworth Graphic- 3 XL3 X- Large Guilty By Association Truck Show 2025 Kenworth Black Short Sleeve T Shirt* High Quality...
    PPR_299507
    SKU:
    PPR_299507
    Color:
    Black
    Size Options:
    3 XL
    Size Options:
    4 XL
    Size Options:
    Small
    Size Options:
    XLarge
    Material Options:
    Cotton
    Size Options:
    Large
    Product Type:
    Apparel
    Size Options:
    Med
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $27.50
    Qty in Cart: 0
    Price:
    $27.50
    Subtotal:
  • FREE SHIPPING OVER $249
    3 - 1/2 Inch Diameter x 2 - 11/16 Inch Height Glass Watermelon Lens Kit

    3 - 1/2 Inch Diameter x 2 - 11/16 Inch Height Glass Watermelon Lens Kit

    GRAND GENERAL

    $22.04 - $65,536.00
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of TrucksWatermelon Plus Clear Glass Lens 1156 Bulb Kit3.5 Inch Clear Watermelon Glass Lens Kit With 1157 Base...
    PPR_299512
    SKU:
    PPR_299512
    Color:
    Amber
    Material Options:
    Glass
    Height Options:
    3 Inch
    Diameter Options:
    3 1/2 Inch
    Product Type:
    Lighting
    Style Options:
    Watermelon
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    Color:
    Red
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Position:
    Kit Full
    Height Options:
    1 5/8 Inch
    Ready To Ship:
    Yes
    $22.04 - $65,536.00
    Qty in Cart: 0
    Price:
    $22.04 - $65,536.00
    Subtotal:
  • FREE SHIPPING
    GBATS 2025 Black T Shirt With Back Peterbilt Graphic

    GBATS 2025 Black T Shirt With Back Peterbilt Graphic

    4 STATE TRUCKS

    $27.50
    Choose Option(s) to see description.GBATS 2025 Black T Shirt With Back Peterbilt Graphic- 3 XL3 X- Large Guilty By Association Truck Show 2025 Peterbilt Black Short Sleeve T Shirt* High Quality...
    PPR_299508
    SKU:
    PPR_299508
    Size Options:
    2 XL
    Size Options:
    Med
    Product Type:
    Apparel
    Color:
    Black
    Size Options:
    Large
    Size Options:
    3 XL
    Material Options:
    Cotton
    Size Options:
    Small
    Size Options:
    4 XL
    Size Options:
    XLarge
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $27.50
    Qty in Cart: 0
    Price:
    $27.50
    Subtotal:
  • FREE SHIPPING
    BESTfit 11 Inch Diameter Muffler With 3 ID / 4 ID X 41.75 Inch OAL

    BESTfit 11 Inch Diameter Muffler With 3 ID / 4 ID X 41.75 Inch OAL

    BESTFIT TRUCK PARTS

    $267.99
    11 Inch Diameter Aluminized Steel Muffler With 3 ID / 4 ID X 41.75 Inch OAL By BESTfitKeep your truck running efficiently with the BESTfit 11 Inch Diameter Muffler. Made of aluminized steel, this...
    29-080211
    SKU:
    29-080211
    Length Options:
    30 Inch
    Diameter Options:
    11 Inch
    Material Options:
    Aluminized Steel
    Product Type:
    Exhaust
    Make:
    Universal Items
    $267.99
    Qty in Cart: 0
    Price:
    $267.99
    Subtotal:
  • Chrome High Hat Rear Axle Cover Set For Aluminum 20 Inch, 22.5 Inch And 24.5 Inch Wheels

    Chrome High Hat Rear Axle Cover Set For Aluminum 20 Inch, 22.5 Inch And 24.5 Inch Wheels

    GRAND GENERAL

    $53.99
    High Hat Rear Axle Cover Set- Chrome Fits Aluminum 20 Inch, 22.5 Inch And 24.5 Inch WheelsMake your truck stand out on the road with the Chrome High Hat Rear Axle Cover Set, a durable,...
    09-200500096
    SKU:
    09-200500096
    Height Options:
    10 1/2 Inch
    Finish Options:
    Chrome-Plated
    Material Options:
    Steel
    Product Type:
    Wheels
    Make:
    Universal Items
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • RealWheels 22.5 Inch Stainless Steel American Road Series Front Simulator Kit For 22.5 X 8 Inch Wheels

    RealWheels 22.5 Inch Stainless Steel American Road Series Front Simulator Kit For 22.5 X 8 Inch Wheels

    REALWHEELS

    $529.99
    22.5 Inch American Road Series Front Simulator Kit By RealWheels Fits 22.5 X 8 Inch WheelsTransform the front wheels of your truck with the RealWheels 22.5 Inch Stainless Steel American Road Series...
    09-2003159
    SKU:
    09-2003159
    Product Type:
    Wheels
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Finish Options:
    Mirror
    Make:
    Universal Items
    $529.99
    Qty in Cart: 0
    Price:
    $529.99
    Subtotal:
  • Total: items /

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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