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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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  • Price
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  • Base Box Cab Rack W/ Center Window, 2 Chain Hangers & 2 Split Trays 70 X 68 Inch

    Base Box Cab Rack W/ Center Window, 2 Chain Hangers & 2 Split Trays 70 X 68 Inch

    AFTERMARKET

    $3,139.99
    Base Box Cab Rack W/ Center Window, 2 Chain Hangers & 2 Split Trays* High Quality Cab Rack* Made Of Aluminum* Includes:  - Base Box Cab Rack  - Center Window  - (2) Chain Hangers  - (2) Split Trays*...
    09-021100040
    SKU:
    09-021100040
    Product Type:
    Cargo Control
    Width Options:
    70 Inch
    Height Options:
    68 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $3,139.99
    Qty in Cart: 0
    Price:
    $3,139.99
    Subtotal:
  • Sturdy Lite Aluminum Cab Rack W/ Square Corners 78 X 78 Inch

    Sturdy Lite Aluminum Cab Rack W/ Square Corners 78 X 78 Inch

    STURDY-LITE

    $2,151.99
    Diamond Plated Aluminum Cab Rack W/ Louvered Center Window & Dog Ears* High Quality Cab Rack* Made Of Aluminum* Diamond Plated Finish* Includes:  - Square Corners  - Louvered Center Window  - Dog...
    09-021100009
    SKU:
    09-021100009
    Height Options:
    78 Inch
    Product Type:
    Cargo Control
    Width Options:
    78 Inch
    Location:
    Made In USA
    Finish Options:
    Diamond Plate
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,151.99
    Qty in Cart: 0
    Price:
    $2,151.99
    Subtotal:
  • Sturdy-Lite Weld On 12 X 24 Inch Tarp Shelf

    Sturdy-Lite Weld On 12 X 24 Inch Tarp Shelf

    STURDY-LITE

    $119.99
    Weld On 12 X 24 Inch Tarp Shelf By Sturdy-Lite* High Quality Tarp Shelf* Made Of Aluminum Alloy* Weld On Style* Dimensions:  - 24 Inch Width  - 12 Inch Height* Sold Individually* Warranty On Tarp...
    09-0210006
    SKU:
    09-0210006
    Product Type:
    Cargo Control
    Type Options:
    Weld On
    Height Options:
    12 Inch
    Material Options:
    Aluminum
    Width Options:
    24 Inch
    Location:
    Made In USA
    Make:
    Universal Items
    $119.99
    Qty in Cart: 0
    Price:
    $119.99
    Subtotal:
  • Roadworks Stainless Steel Rear Breather Light Panel 13 Inch W/ 6 Light Holes For Freightliner

    Roadworks Stainless Steel Rear Breather Light Panel 13 Inch W/ 6 Light Holes For Freightliner

    ROADWORKS

    $138.99
    Stainless Steel Rear Breather Light Panel 13 Inch W/ 3 Light Holes Per Panel By Roadworks Fits Freightliner* High Quality Rear Breather Light Panel* Made Of 430 Stainless Steel* Includes:  - (2) Rear...
    03-0905142
    SKU:
    03-0905142
    Product Type:
    Exterior
    Position:
    Rear
    Height Options:
    13 Inch
    Light Options:
    Without Lights
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Freightliner
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • Class 3 Long Sleeve Orange High-Visibility Wicking Sweatshirt W/ Lime Trim & Gray Stripes - Large

    Class 3 Long Sleeve Orange High-Visibility Wicking Sweatshirt W/ Lime Trim & Gray Stripes - Large

    AFTERMARKET

    $78.09
    Large Orange Class 3 High Visibility Sweatshirt W/ Contrast Lime Trim & Gray Reflective Gray Tape* High Quality Hi-Vis Sweatshirt * Large* High-Visibility Orange With Contrast Lime Trim And...
    SH201L
    SKU:
    SH201L
    Product Type:
    Air, Electrical, & Safety
    Truck Class:
    Universal
    Finish Options:
    Paintable
    Make:
    Universal Items
    $78.09
    Qty in Cart: 0
    Price:
    $78.09
    Subtotal:
  • 10 Hole Outboard Mount HUB Assembly Replaces 10026185, HT794RD, 0415984004, 202315T For Aluminum Wheels

    10 Hole Outboard Mount HUB Assembly Replaces 10026185, HT794RD, 0415984004, 202315T For Aluminum Wheels

    AFTERMARKET

    $249.99
    Trailer Hub With Studs And Races For Hub Pilot Applications* High Quality Cast Trailer Hub * Hub Includes:- Inner Race - HM218210- Outer Race - HM212011- Includes ABS Tone Ring- Wheel Studs Included...
    79-203001
    SKU:
    79-203001
    Product Type:
    Trailer
    Style Options:
    Hub Pilot Wheel
    Material Options:
    Cast Iron
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $249.99
    Qty in Cart: 0
    Price:
    $249.99
    Subtotal:
  • 10 Hole Outboard Mount Hub Assembly Replaces HT794RC, 0415984002, 202313T For Dual Steel Wheel

    10 Hole Outboard Mount Hub Assembly Replaces HT794RC, 0415984002, 202313T For Dual Steel Wheel

    AUTOMANN USA

    $259.99
    11.25 Inch Pilot Trailer Hub With 6 Holes* High Quality Trailer Hub Assembly * Includes Inner Race-Hm218210 * Outer Race-Hm212011 * Includes:   - Abs Tone Ring Wheel Studs Included For Dual Steel...
    79-203005
    SKU:
    79-203005
    Product Type:
    Trailer
    Style Options:
    Hub Pilot Wheel
    Material Options:
    Cast Iron
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $259.99
    Qty in Cart: 0
    Price:
    $259.99
    Subtotal:
  • Driver Side Air Disc Brake Caliper W/ Carrier ADB22X - Replaces 802985, K113888X

    Driver Side Air Disc Brake Caliper W/ Carrier ADB22X - Replaces 802985, K113888X

    AFTERMARKET

    $847.99
    Driver Side Air Disc Brake Caliper W/ Carrier ADB22X* High Quality Air Disc Brake* With Carrier * Adb22X- Driver Side/ Left Hand * Trailer 0 Degree Type B * Includes 100.A1369.10 Kit * Disc Brakes...
    29-051700021
    SKU:
    29-051700021
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $847.99
    Qty in Cart: 0
    Price:
    $847.99
    Subtotal:
  • Passenger Side Air Disc Brake Caliper W/ Carrier ADB22X - Replaces K113887X, 802984

    Passenger Side Air Disc Brake Caliper W/ Carrier ADB22X - Replaces K113887X, 802984

    AUTOMANN USA

    $847.99
    Passenger Side Air Disc Brake Caliper W/ Carrier ADB22X* High Quality Air Disc Brake* With Carrier * Adb22X- Passenger Side/ Right Hand * Trailer 0 Degree Type A * Includes 100.A1369.10 Kit* Sold...
    29-051700022
    SKU:
    29-051700022
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $847.99
    Qty in Cart: 0
    Price:
    $847.99
    Subtotal:
  • Dead Blow Hammer Set- 8 oz, 1 Lbs., 2 Lbs, 3 Lbs

    Dead Blow Hammer Set- 8 oz, 1 Lbs., 2 Lbs, 3 Lbs

    AFTERMARKET

    $70.99
    Set of 4 Unicast Mallets with Non-Marring Rubber CoatingThe 4-Piece Dead Blow Hammer Set includes 8 oz., 1 lb., 2 lb. and 3 lb. hammers. This set is ideal for chassis work and freeing stuck parts...
    09-21000009
    SKU:
    09-21000009
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Product Type:
    Tools
    Make:
    Universal Items
    $70.99
    Qty in Cart: 0
    Price:
    $70.99
    Subtotal:
  • 10 Inch Impact Socket Extension - 3/4 Inch Drive

    10 Inch Impact Socket Extension - 3/4 Inch Drive

    AFTERMARKET

    $56.99
    10 Inch Impact Socket Extension* High Quality Impact Socket Extension* 10 Inch Length* 3/4 Inch Drive* Sold Individually* Warranty On Impact Socket Extensions Against Defects In Workmanship &...
    09-21000111
    SKU:
    09-21000111
    Truck Class:
    Universal
    Material Options:
    Steel
    Product Type:
    Tools
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • 3.375 Inch Serrated Wheel Stud Right Hand Thread - 2 Gallon Pail/ 100 Count

    3.375 Inch Serrated Wheel Stud Right Hand Thread - 2 Gallon Pail/ 100 Count

    AFTERMARKET

    $356.99
    2 Gallon Pail Of Serrated Wheel Stud Right Hand Thread* High Quality Wheel Stud* 0.75 - 16 Inch Right Hand Thread Size* 0.784 Inch Body Diameter* 3.38 Inch Length* 1.25 Inch Shoulder Length* 2.00...
    09-20200145
    SKU:
    09-20200145
    Product Type:
    Wheels
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    $356.99
    Qty in Cart: 0
    Price:
    $356.99
    Subtotal:
  • 3/16 Inch Carbide Cutter for Tire Puncture Repair

    3/16 Inch Carbide Cutter for Tire Puncture Repair

    AUTOMANN USA

    $29.68
    3/16 Inch Injury Size Carbide CutterFix flat tires fast and right with this smart cutting tool, turning messy holes into smooth, ready-to-patch surfaces that keep you safely on the road.* High...
    09-21000070
    SKU:
    09-21000070
    Length Options:
    3 Inch
    Product Type:
    Tools
    Make:
    Universal Items
    $29.68
    Qty in Cart: 0
    Price:
    $29.68
    Subtotal:
  • 33 MM X 3 1/2 Inch Chrome Flat Top Thread On Lug Nut Covers - 60 Pack

    33 MM X 3 1/2 Inch Chrome Flat Top Thread On Lug Nut Covers - 60 Pack

    AFTERMARKET

    $164.99
    Thread On Chrome Plastic Flat Top Cylinder Lug Nut Covers* High Quality Lug Nut Cover* Chrome-Plated Plastic* Dimensions:  - 33 MM   - 3 1/2 Inch Height* Flat Top Shape* Cylinder Base Shape* Thread...
    09-20200222
    SKU:
    09-20200222
    Product Type:
    Wheels
    Truck Class:
    Universal
    Finish Options:
    Chrome-Plated
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • 5/16 Inch Carbide Cutter for Tire Puncture Repairs

    5/16 Inch Carbide Cutter for Tire Puncture Repairs

    AFTERMARKET

    $64.99
    Carbide Cutter for Tire RepairFix flat tires like a pro with this sharp tire cutting tool. Made to last, it cleanly cuts away bad spots on your tire to get it ready for patching.* High Quality...
    09-21000069
    SKU:
    09-21000069
    Length Options:
    4 Inch
    Product Type:
    Tools
    Make:
    Universal Items
    $64.99
    Qty in Cart: 0
    Price:
    $64.99
    Subtotal:
  • Double End Wheel Wrench With 1-1/16in, 1-1/4in Hex

    Double End Wheel Wrench With 1-1/16in, 1-1/4in Hex

    AFTERMARKET

    $56.99
    1-1/16in, 1-1/4in Double End Wheel Wrench* High Quality Double End Wheel Wrench * 16.75 Inches Long* End Socket Sizes:   - 1-1/16 Inch Hex  - 1-1/4 Inch Hex* Requires Handle 09-2010046 Not Included,...
    09-2010045
    SKU:
    09-2010045
    Product Type:
    Wheels
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • 8 Ft 3-In-1 Nylon Cable Wrap for 12 Foot Assembly Replaces 451209

    8 Ft 3-In-1 Nylon Cable Wrap for 12 Foot Assembly Replaces 451209

    AUTOMANN USA

    $40.28
    8 Ft Cable Assembly Wrap for 12 Ft. 3-In-1 Combination Assemblies* High Quality Cable Wrap* Nylon* Black* 8 Ft* For 12 Ft 3 In 1 Combination Assemblies* Sold Individually* Warranty On Cable Wraps...
    09-16030840
    SKU:
    09-16030840
    Material Options:
    Nylon
    Truck Class:
    Heavy Duty
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $40.28
    Qty in Cart: 0
    Price:
    $40.28
    Subtotal:
  • 12-10 Gauge Yellow Heat Shrink 5/16 Inch Stud - 80 Pack

    12-10 Gauge Yellow Heat Shrink 5/16 Inch Stud - 80 Pack

    AFTERMARKET

    $48.34
    Ring Terminal 5/16in 12-10GA Heat Shrink* High Quality Ring* 12-10 Gauge* 5/16 Inch* Yellow* Heat Shrink Insulation * 80 Pieces* Made In USA* Sold As Pack* Warranty On Rings Against Defects In...
    09-16030844
    SKU:
    09-16030844
    Product Type:
    Air, Electrical, & Safety
    Size Options:
    12 Gauge
    Color:
    Yellow
    Make:
    Universal Items
    $48.34
    Qty in Cart: 0
    Price:
    $48.34
    Subtotal:
  • Mirror Glass Kit For Single Vision, Non- Heated Replaces 613466

    Mirror Glass Kit For Single Vision, Non- Heated Replaces 613466

    AUTOMANN USA

    $34.85
    Replacement Mirror Glass Kit For Single Vision, Non- Heated* High Quality Mirror Glass* Replacement Glass For Single Vision Universal Performance* Flat Glass* Non-Heated* No CB Antenna* No Temp...
    09-09140014
    SKU:
    09-09140014
    Height Options:
    19 Inch
    Product Type:
    Exterior
    Style Options:
    Flat
    Width Options:
    8 Inch
    Material Options:
    Glass
    Make:
    Universal Items
    $34.85
    Qty in Cart: 0
    Price:
    $34.85
    Subtotal:
  • Flat Mirror Glass For Dual Vision- Heated Replaces 613495

    Flat Mirror Glass For Dual Vision- Heated Replaces 613495

    AFTERMARKET

    $49.47
    Replacement Flat Mirror Glass For Dual Vision- Heated* High Quality Replacement Top Flat Glass Mirror* Top Glass Only* For Dual Vision Universal Performance* Heated* No Antenna* No Temp Sensor* For...
    09-09140033
    SKU:
    09-09140033
    Style Options:
    Dual Vision
    Type Options:
    Heated
    Product Type:
    Exterior
    Make:
    Universal Items
    $49.47
    Qty in Cart: 0
    Price:
    $49.47
    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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