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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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  • Qty in Cart
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  • Price
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  • FASS Drop- In Series Fuel System Filter Pack W/ 2 Coalescing Water Separator Filters & 2 Extended Length Particulate Filters

    FASS Drop- In Series Fuel System Filter Pack W/ 2 Coalescing Water Separator Filters & 2 Extended Length Particulate Filters

    FASS

    $120.99
    Drop- In Series Fuel System Filter Pack W/ 2 Coalescing Water Separator Filters & 2 Extended Length Particulate FiltersEnhance fuel system reliability with this FASS Drop-In Series Filter Pack for...
    09-07030014
    SKU:
    09-07030014
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $120.99
    Qty in Cart: 0
    Price:
    $120.99
    Subtotal:
  • 16.5 X 7 Inch Brake Drum W/ 10 Holes & 9 Inch Hub

    16.5 X 7 Inch Brake Drum W/ 10 Holes & 9 Inch Hub

    DAYTON / DORMAN

    $257.99
    16.5 X 7 Inch 10 Hole Brake Drum Replaces 0302944, 3219V3714, 3946061Improve stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty...
    09-051700050
    SKU:
    09-051700050
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
    Subtotal:
  • Disc Brake Rotor Replaces 6402229292, 76901, AMR2242N For Hendrickson MAXX22T

    Disc Brake Rotor Replaces 6402229292, 76901, AMR2242N For Hendrickson MAXX22T

    DAYTON / DORMAN

    $383.99
    415MM Disc Brake Rotor Fits Hendrickson MAXX22TEnhance air disc brake performance with this premium disc brake rotor, engineered as a replacement for part numbers 6402229292, 76901, and AMR2242N on...
    09-051700047
    SKU:
    09-051700047
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $383.99
    Qty in Cart: 0
    Price:
    $383.99
    Subtotal:
  • 5.5 Inch Automatic Slack Adjuster W/ 1.5 Inch-28 Spline

    5.5 Inch Automatic Slack Adjuster W/ 1.5 Inch-28 Spline

    DAYTON / DORMAN

    $84.99
    Automatic Slack Adjuster Replaces R803108, R802447, R802446Maintain optimal braking efficiency with this durable 5.5-inch automatic slack adjuster designed for air brake systems requiring a 1...
    09-051700048
    SKU:
    09-051700048
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $84.99
    Qty in Cart: 0
    Price:
    $84.99
    Subtotal:
  • Air Brake Caliper- Passenger Side Replaces 802984, K113887X, K149714

    Air Brake Caliper- Passenger Side Replaces 802984, K113887X, K149714

    DAYTON / DORMAN

    $1,096.99
    Passenger Side Air Brake Caliper Replaces 802984, K113887X, K149714Ensure dependable stopping power with this high-quality air brake caliper designed for passenger-side applications and built as a...
    09-051700049
    SKU:
    09-051700049
    Product Type:
    Frame & Chassis
    Position:
    Passenger Side
    Make:
    Universal Items
    $1,096.99
    Qty in Cart: 0
    Price:
    $1,096.99
    Subtotal:
  • 15 X 4 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    15 X 4 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    DAYTON / DORMAN

    $228.99
    15 X 4 Inch 10 Hole Brake Drum Replaces 65548B, 3800XImprove stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty applications. Built for...
    09-051700046
    SKU:
    09-051700046
    Product Type:
    Trailer
    Material Options:
    Steel
    Make:
    Universal Items
    $228.99
    Qty in Cart: 0
    Price:
    $228.99
    Subtotal:
  • 16.5 X 8.62 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    16.5 X 8.62 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    DAYTON / DORMAN

    $270.99
    16.5 X 8.62 Inch 10 Hole Brake Drum Replaces 972312, WWD66854B, 10012097Improve stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty...
    09-051700043
    SKU:
    09-051700043
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $270.99
    Qty in Cart: 0
    Price:
    $270.99
    Subtotal:
  • 16.5 X 7 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    16.5 X 7 Inch Brake Drum W/ 10 Holes & 8.78 Inch Hub

    DAYTON / DORMAN

    $269.99
    16.5 X 7 Inch 10 Hole Brake Drum Replaces 1670176C1, 66800B, APL-102317Improve stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty...
    09-051700044
    SKU:
    09-051700044
    Product Type:
    Frame & Chassis
    Material Options:
    Steel
    Make:
    Universal Items
    $269.99
    Qty in Cart: 0
    Price:
    $269.99
    Subtotal:
  • 16.5 X 7 Inch Brake Drum W/ 10 Holes & 8.53 Inch Hub

    16.5 X 7 Inch Brake Drum W/ 10 Holes & 8.53 Inch Hub

    DAYTON / DORMAN

    $253.99
    16.5 X 7 Inch 10 Hole Brake Drum Replaces 3946075Improve stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty applications. Built for...
    09-051700045
    SKU:
    09-051700045
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $253.99
    Qty in Cart: 0
    Price:
    $253.99
    Subtotal:
  • 1.75 X 3.98 Inch Multi- Purpose Leaf Spring Bushings Replaces 052700000, 52700, B131000

    1.75 X 3.98 Inch Multi- Purpose Leaf Spring Bushings Replaces 052700000, 52700, B131000

    DAYTON / DORMAN

    $28.05
    Multi- Purpose Leaf Spring Bushings- 1.75 X 3.98 InchImprove suspension performance with these heavy-duty multi-purpose leaf spring bushings, engineered to replace part numbers 052700000, 52700, and...
    09-051000014
    SKU:
    09-051000014
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $28.05
    Qty in Cart: 0
    Price:
    $28.05
    Subtotal:
  • Suspension Height Control Valve Replaces 060826000, 60826, 60826000

    Suspension Height Control Valve Replaces 060826000, 60826, 60826000

    DAYTON / DORMAN

    $84.99
    Suspension Height Control Valve W/ 1/4 Inch NPT Inlet/ OutletOptimize your air suspension system with this high-quality ride height control valve, a direct replacement for part numbers 060826000,...
    09-051000015
    SKU:
    09-051000015
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $84.99
    Qty in Cart: 0
    Price:
    $84.99
    Subtotal:
  • Steel Round Leaf Spring U- Bolt Kit

    Steel Round Leaf Spring U- Bolt Kit

    DAYTON / DORMAN

    $25.49
    3-1/16 X 14-1/2 Inch Round Leaf Spring U- Bolt KitSecure your suspension system with this high-quality steel round leaf spring U-bolt kit, designed for strength, durability, and reliable performance...
    09-051000017
    SKU:
    09-051000017
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Shape Options:
    Round
    Make:
    Universal Items
    $25.49
    Qty in Cart: 0
    Price:
    $25.49
    Subtotal:
  • Stainless Steel Mud Flap Top Trims W/ Mounting Hardware 2 X 24 Inch

    Stainless Steel Mud Flap Top Trims W/ Mounting Hardware 2 X 24 Inch

    TURNPIKE TRUCK TRIM

    $61.99
    2 X 24 Inch Stainless Steel Universal Top Mud Flap Accent TrimThese stainless steel universal top Mud Flap accent trims securely mount the mud flap to the hangers with include hardware for easy...
    09-0507055
    SKU:
    09-0507055
    Height Options:
    2 Inch
    Material Options:
    Stainless Steel
    Width Options:
    24 Inch
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • Self Adjusting 82 dB to 102 dB Back Up Alarm

    Self Adjusting 82 dB to 102 dB Back Up Alarm

    MAXXIMA

    $34.75
    Back Up Alarm- Self Adjusting 82 dB to 102 dBEnhance safety and compliance with this Self Adjusting 82 dB to 102 dB Back Up Alarm. This high-quality backup alarm automatically adjusts its sound...
    09-0205005
    SKU:
    09-0205005
    Length Options:
    1 5/8 Inch
    Height Options:
    2 3/4 Inch
    Width Options:
    4 Inch
    Product Type:
    Air, Electrical, & Safety
    Type Options:
    Surface Mount
    Make:
    Universal Items
    $34.75
    Qty in Cart: 0
    Price:
    $34.75
    Subtotal:
  • 3/4 Inch X 1 3/8 Inch Chrome Bullet Nut Cover

    3/4 Inch X 1 3/8 Inch Chrome Bullet Nut Cover

    UNITED PACIFIC

    $0.91
    Bullet Nut Cover- 3/4 Inch X 1 3/8 InchUpgrade your wheel appearance with this Chrome Bullet Nut Cover measuring 3/4 Inch x 1-3/8 Inch, built for a sleek and customized finish. Made from high-quality...
    09-0506055
    SKU:
    09-0506055
    Finish Options:
    Chrome-Plated
    Style Options:
    Push On
    Diameter Options:
    3/4 Inch
    Product Type:
    Wheels
    Height Options:
    1 1/4 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $0.91
    Qty in Cart: 0
    Price:
    $0.91
    Subtotal:
  • FREE SHIPPING OVER $249
    2 Inch 7 Diode Round Marker Light W/ Clear Lens- Color Options

    2 Inch 7 Diode Round Marker Light W/ Clear Lens- Color Options

    TRUX ACCESSORIES

    $8.89
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2 Inch 7 Diode Round Marker Light Amber LED / Clear LensLED Clear/Amber Marker Light 2 Inch Round W/ 7...
    PPR_300741
    SKU:
    PPR_300741
    Product Type:
    Lighting
    Color:
    Amber
    Color:
    Red/Clear
    Material Options:
    Plastic/Poly
    Height Options:
    1 Inch
    Width Options:
    1 Inch
    Truck Class:
    Universal
    Diameter Options:
    2 Inch
    Shape Options:
    Round
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $8.89
    Qty in Cart: 0
    Price:
    $8.89
    Subtotal:
  • Pearl Blue Engraved Flat Top Brake Knob For Threaded Dash Air Brake Valve

    Pearl Blue Engraved Flat Top Brake Knob For Threaded Dash Air Brake Valve

    TWISTED SHIFTERZ

    $85.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksPearl Blue Engraved Tractor Flat Top Brake Knob For Threaded Dash Air Brake ValvePearl Blue Flat Top...
    PPR_300699
    SKU:
    PPR_300699
    Product Type:
    Interior
    Material Options:
    Aluminum
    Location:
    Made In USA
    Color:
    Blue
    Style Options:
    Thread On
    Make:
    Universal Items
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • 2.125 Inch Gray Engraved Brake Knob For Threaded Dash Air Brake Valve For Threaded Dash Air Brake Valve

    2.125 Inch Gray Engraved Brake Knob For Threaded Dash Air Brake Valve For Threaded Dash Air Brake Valve

    TWISTED SHIFTERZ

    $59.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2.125 Inch Gray Engraved Tractor Brake Knob For Threaded Dash Air Brake Valve2.125 Inch Gray Brake Knob...
    PPR_300700
    SKU:
    PPR_300700
    Diameter Options:
    2 1/8 Inch
    Location:
    Made In USA
    Shape Options:
    Round
    Style Options:
    Thread On
    Material Options:
    Aluminum
    Color:
    Gray
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • Purple Super Kit W/ Adapter For 13-18 Speed Shifters

    Purple Super Kit W/ Adapter For 13-18 Speed Shifters

    TWISTED SHIFTERZ

    $402.99
    Purple Semi Truck Air Shifter Threaded Adapter Kit Fits 13-18 Speed ShiftersUpgrade your truck's shifter assembly with the Purple Super Kit for 13-18 Speed Shifters. Crafted from high-quality CNC...
    09-151300168
    SKU:
    09-151300168
    Product Type:
    Interior
    Material Options:
    Aluminum
    Color:
    Purple
    Location:
    Made In USA
    Make:
    Universal Items
    $402.99
    Qty in Cart: 0
    Price:
    $402.99
    Subtotal:
  • Mr. Krinkle Purple Shift Knob

    Mr. Krinkle Purple Shift Knob

    TWISTED SHIFTERZ

    $99.99
    Purple Mr. Krinkle Shift KnobAdd a bold finishing touch to your truck's shifter with the Purple Mr. Krinkle Shift Knob. Made from high-quality CNC machined aluminum, this shifter knob delivers...
    09-151300164
    SKU:
    09-151300164
    Location:
    Made In USA
    Width Options:
    2 Inch
    Color:
    Purple
    Material Options:
    Aluminum
    Style Options:
    Thread On
    Product Type:
    Interior
    Height Options:
    4 Inch
    Make:
    Universal Items
    $99.99
    Qty in Cart: 0
    Price:
    $99.99
    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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