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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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  • Leaf Spring Pin 1.0625 Inch W/ Length Options

    Leaf Spring Pin 1.0625 Inch W/ Length Options

    DAYTON / DORMAN

    $29.53 - $31.11
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks1.0625 X 6.969 Inch Leaf Spring Pin Replaces 034013249, 079581000, 34013249Leaf Spring Pin- 1.0625 X 6...
    PPR_300744
    SKU:
    PPR_300744
    Length Options:
    7 3/4 Inch
    Diameter Options:
    1 Inch
    Material Options:
    Steel
    Length Options:
    7 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $29.53 - $31.11
    Qty in Cart: 0
    Price:
    $29.53 - $31.11
    Subtotal:
  • 3.344 Inch Serrated Stud Pilot Wheel Stud Left/Right Hand

    3.344 Inch Serrated Stud Pilot Wheel Stud Left/Right Hand

    DAYTON / DORMAN

    $27.53
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks3.344 Inch Serrated Stud Pilot Wheel Stud- Left Hand3.344 Inch Left Hand Serrated Wheel Stud Replaces...
    PPR_300743
    SKU:
    PPR_300743
    Product Type:
    Wheels
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $27.53
    Qty in Cart: 0
    Price:
    $27.53
    Subtotal:
  • 15 X 1 Inch Surface Mount Back Up Strip LED Light W/ Gasket- White LED/ Clear Lens

    15 X 1 Inch Surface Mount Back Up Strip LED Light W/ Gasket- White LED/ Clear Lens

    MAXXIMA

    $46.60
    20 Diode White Surface Mount Back Up Strip LED Light W/ Gasket & Clear LensEnhance safety and confidence while reversing with this high-quality 15 x 1 Inch Surface Mount Backup Strip LED Light...
    MX-M63318-A-GSKT
    SKU:
    MX-M63318-A-GSKT
    Color:
    White/Clear
    Type Options:
    Surface Mount
    Length Options:
    15 Inch
    Product Type:
    Lighting
    Width Options:
    1 Inch
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    $46.60
    Qty in Cart: 0
    Price:
    $46.60
    Subtotal:
  • 15 X 1 Inch Surface Mount Stop/Turn/Tail LED Light W/ Gasket- Red LED/ Red Lens

    15 X 1 Inch Surface Mount Stop/Turn/Tail LED Light W/ Gasket- Red LED/ Red Lens

    MAXXIMA

    $24.74
    20 Diode Red Surface Mount Stop/Turn/Tail LED Light W/ Gasket & Red LensImprove signaling performance with this durable 15 x 1 Inch Surface Mount Stop/Turn/Tail LED Light engineered for...
    MX-M63318R-A-GSKT
    SKU:
    MX-M63318R-A-GSKT
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Length Options:
    15 Inch
    Width Options:
    1 Inch
    Color:
    Red
    Type Options:
    Surface Mount
    Make:
    Universal Items
    $24.74
    Qty in Cart: 0
    Price:
    $24.74
    Subtotal:
  • 1.65 X 4.5 Inch Rectangular Clearance Marker LED Light & Reflector- Amber LED/ Amber Lens

    1.65 X 4.5 Inch Rectangular Clearance Marker LED Light & Reflector- Amber LED/ Amber Lens

    MAXXIMA

    $14.25
    1.65 X 4.5 Inch Amber Rectangular Clearance Marker LED Light & Reflector W/ Amber LensGet dependable performance and increased road visibility with this rectangular 1.65 x 4.5 inch LED clearance...
    MX-M17100Y-DV
    SKU:
    MX-M17100Y-DV
    Color:
    Amber
    Product Type:
    Lighting
    Material Options:
    Plastic/Poly
    Length Options:
    4 1/2 Inch
    Shape Options:
    Rectangular
    Width Options:
    1 5/8 Inch
    Type Options:
    Surface Mount
    Make:
    Universal Items
    $14.25
    Qty in Cart: 0
    Price:
    $14.25
    Subtotal:
  • 2.5 Inch 8 Diode Clearance Marker LED Light- Amber LED/ Amber lens

    2.5 Inch 8 Diode Clearance Marker LED Light- Amber LED/ Amber lens

    MAXXIMA

    $9.06
    2.5 Inch 8 Diode Amber Clearance Marker LED Light W/ Amber LensUpgrade your truck's visibility and style with this 2.5 Inch 8 Diode Clearance Marker LED Light featuring bright amber LEDs and a...
    MX-M16280ABS
    SKU:
    MX-M16280ABS
    Material Options:
    Plastic/Poly
    Color:
    Amber
    Diameter Options:
    2 1/2 Inch
    Shape Options:
    Round
    Type Options:
    Grommet Mount
    Product Type:
    Lighting
    Make:
    Universal Items
    $9.06
    Qty in Cart: 0
    Price:
    $9.06
    Subtotal:
  • 16.25 X 2.13 Inch Low Profile Lighting ID Bar- Red LED/ Red Lens

    16.25 X 2.13 Inch Low Profile Lighting ID Bar- Red LED/ Red Lens

    MAXXIMA

    $44.09
    16.25 X 2.13 Inch Red Low Profile Lighting ID Bar W/ Red LensUpgrade your truck's safety and visibility with this 16.25 x 2.13 Inch Low Profile Lighting ID Bar featuring bright red LEDs and a durable...
    MX-M09410R-RM3
    SKU:
    MX-M09410R-RM3
    Finish Options:
    Black Powder Coat
    Color:
    Red
    Product Type:
    Lighting
    Length Options:
    16 1/4 Inch
    Material Options:
    Aluminum
    Type Options:
    Surface Mount
    Height Options:
    2 Inch
    Make:
    Universal Items
    $44.09
    Qty in Cart: 0
    Price:
    $44.09
    Subtotal:
  • 2.5 Inch Round Auxiliary Park Turn LED Light- Amber LED/ Amber Lens

    2.5 Inch Round Auxiliary Park Turn LED Light- Amber LED/ Amber Lens

    MAXXIMA

    $11.22
    2.5 Inch Amber Round Auxiliary Park Turn LED Light W/ Amber LensEnhance safety and visibility with this premium auxiliary park turn LED light, designed in a compact 2.5 inch round form. The amber...
    MX-M11300YAT
    SKU:
    MX-M11300YAT
    Material Options:
    Plastic/Poly
    Diameter Options:
    2 1/2 Inch
    Color:
    Amber
    Product Type:
    Lighting
    Make:
    Universal Items
    $11.22
    Qty in Cart: 0
    Price:
    $11.22
    Subtotal:
  • 2 Inch Round Clearance Marker LED Light- Amber LED/ Amber lens

    2 Inch Round Clearance Marker LED Light- Amber LED/ Amber lens

    MAXXIMA

    $10.79
    2 Inch Amber Round Clearance Marker LED Light W/ Amber lensBoost your truck's lighting system with this 2 inch round amber LED clearance marker light designed for performance and durability...
    MX-M09100ABS
    SKU:
    MX-M09100ABS
    Material Options:
    Plastic/Poly
    Color:
    Amber
    Diameter Options:
    2 Inch
    Type Options:
    Grommet Mount
    Product Type:
    Lighting
    Make:
    Universal Items
    $10.79
    Qty in Cart: 0
    Price:
    $10.79
    Subtotal:
  • 3 Diode Oval Courtesy LED Light W/ Bezel- Red LED/ Red Lens

    3 Diode Oval Courtesy LED Light W/ Bezel- Red LED/ Red Lens

    MAXXIMA

    $9.06
    3 Diode Red Oval Courtesy LED Light W/ Bezel W/ Red LensEnhance your truck's visibility and style with this 3 Diode Oval Courtesy LED Light with Bezel. Built with a rugged stainless steel housing and...
    MX-LED-300R
    SKU:
    MX-LED-300R
    Product Type:
    Lighting
    Color:
    Red
    Material Options:
    Plastic/Poly
    Style Options:
    Stainless Steel Housing
    Make:
    Universal Items
    $9.06
    Qty in Cart: 0
    Price:
    $9.06
    Subtotal:
  • Stainless Steel DPF Gasket For Cummins ISB 6.7, ISC 8.3, ISL 8.9 Engines Replaces 2866636

    Stainless Steel DPF Gasket For Cummins ISB 6.7, ISC 8.3, ISL 8.9 Engines Replaces 2866636

    DAYTON / DORMAN

    $13.21
    Diesel Particulate Filter Gasket W/ 3.86 Inch ID and 4.65 Inch OD Replaces 2866636 Fits Cummins ISB 6.7, ISC 8.3, ISL 8.9 EnginesRestore reliable exhaust sealing with this Stainless Steel DPF Gasket...
    29-08090002
    SKU:
    29-08090002
    Style Options:
    Cummins
    Shape Options:
    Round
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $13.21
    Qty in Cart: 0
    Price:
    $13.21
    Subtotal:
  • EGR Valve W/ 3 Mounting Holes & Exhaust Port For Cummins ISM 10.8L Engine Replaces 3101917, 3102317, 3102745

    EGR Valve W/ 3 Mounting Holes & Exhaust Port For Cummins ISM 10.8L Engine Replaces 3101917, 3102317, 3102745

    DAYTON / DORMAN

    $669.99
    EGR Valve W/ 3 Mounting Holes & Exhaust Port Replaces 3101917, 3102317, 3102745 Fits Cummins ISM 10.8L EngineMaintain emissions compliance and dependable engine performance with this EGR Valve,...
    29-07110013
    SKU:
    29-07110013
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $669.99
    Qty in Cart: 0
    Price:
    $669.99
    Subtotal:
  • Engine Crankcase Breather Element For Cummins ISX 11.9 Engine Replaces 2869874, 2895324, CV50626

    Engine Crankcase Breather Element For Cummins ISX 11.9 Engine Replaces 2869874, 2895324, CV50626

    DAYTON / DORMAN

    $82.99
    Crankcase Ventilation Filter Replaces 2869874, 2895324, CV50626 Fits Cummins ISX 11.9 EngineRestore proper crankcase ventilation performance with this Engine Crankcase Breather Element designed for...
    29-071200053
    SKU:
    29-071200053
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $82.99
    Qty in Cart: 0
    Price:
    $82.99
    Subtotal:
  • EGR Cooler For Cummins ISX 11.9, 15.0L Engine Replaces 2881760, 2881842, 2882108, 2892893

    EGR Cooler For Cummins ISX 11.9, 15.0L Engine Replaces 2881760, 2881842, 2882108, 2892893

    DAYTON / DORMAN

    $1,942.99
    Exhaust Gas Recirculation Cooler Replaces 2881760, 2881842, 2882108, 2892893 Fits Cummins ISX 11.9, 15.0L EngineRestore proper emissions control and engine efficiency with this EGR Cooler designed...
    29-071100015
    SKU:
    29-071100015
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $1,942.99
    Qty in Cart: 0
    Price:
    $1,942.99
    Subtotal:
  • EGR Cooler For Cummins ISB 6.7L Engine Replaces 2881692, 5254314, 5317072

    EGR Cooler For Cummins ISB 6.7L Engine Replaces 2881692, 5254314, 5317072

    DAYTON / DORMAN

    $668.99
    Exhaust Gas Recirculation Cooler Replaces 2881692, 5254314, 5317072 Fits Cummins ISB 6.7L EngineRestore efficient emissions system cooling with this EGR Cooler designed for Cummins ISB 6.7L engines...
    29-071100016
    SKU:
    29-071100016
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $668.99
    Qty in Cart: 0
    Price:
    $668.99
    Subtotal:
  • Nitrogen Oxide Exhaust Sensor W/ Harness For Cummins ISX 15L Engine Replaces 2894941, 2894941RX, 3687334RX

    Nitrogen Oxide Exhaust Sensor W/ Harness For Cummins ISX 15L Engine Replaces 2894941, 2894941RX, 3687334RX

    DAYTON / DORMAN

    $392.99
    Nitrogen Oxide Exhaust Sensor Replaces 2894941, 2894941RX, 3687334RX Fits Cummins ISX 15L EngineRestore optimal diesel aftertreatment performance with this Nitrogen Oxide Exhaust Sensor with...
    29-071000033
    SKU:
    29-071000033
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $392.99
    Qty in Cart: 0
    Price:
    $392.99
    Subtotal:
  • Turbocharger Exhaust Outlet Elbow Gasket For Cummins SB 6.7L & ISL 8.9L Engines Replaces 3846392C1

    Turbocharger Exhaust Outlet Elbow Gasket For Cummins SB 6.7L & ISL 8.9L Engines Replaces 3846392C1

    DAYTON / DORMAN

    $13.77
    Turbo Outlet Elbow Gasket Replaces 3846392C1 Fits Cummins SB 6.7L & ISL 8.9L EnginesRestore reliable exhaust sealing with this Turbocharger Exhaust Outlet Elbow Gasket for Cummins SB 6.7L and ISL 8...
    29-070400131
    SKU:
    29-070400131
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Shape Options:
    Round
    Make:
    Universal Items
    $13.77
    Qty in Cart: 0
    Price:
    $13.77
    Subtotal:
  • FASS Drop-In Series Fuel System For Caterpillar 3406E, C10, C11, C12, C13, C15, C16 & C18

    FASS Drop-In Series Fuel System For Caterpillar 3406E, C10, C11, C12, C13, C15, C16 & C18

    FASS

    $270.99
    Drop-In Series Fuel SystemImprove fuel quality and extend engine life with the FASS Drop-In Series Fuel System, designed for Caterpillar 3406E, C10, C11, C12, C13, C15, C16, and C18 engines equipped...
    29-070300015
    SKU:
    29-070300015
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $270.99
    Qty in Cart: 0
    Price:
    $270.99
    Subtotal:
  • 12.25 X 7.5 Inch Brake Shoe Kit

    12.25 X 7.5 Inch Brake Shoe Kit

    DAYTON / DORMAN

    $189.99
    Replacement Brake Shoe Kit- 12.25 X 7.5 InchUpgrade your braking system with this high-quality 12.25 x 7.5 Inch Brake Shoe Kit, ideal for heavy-duty truck maintenance and repair. Built with ceramic...
    29-051700057
    SKU:
    29-051700057
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $189.99
    Qty in Cart: 0
    Price:
    $189.99
    Subtotal:
  • DEF Urea Filter Kit For Cummins ISL, ISB, ISC & PACCAR PX-6, PX-7, PX-9 Engine Replaces 1927474PE, 2014774PE, 21496419

    DEF Urea Filter Kit For Cummins ISL, ISB, ISC & PACCAR PX-6, PX-7, PX-9 Engine Replaces 1927474PE, 2014774PE, 21496419

    DAYTON / DORMAN

    $55.99
    Diesel Exhaust Fluid Urea Filter Kit Replaces 1927474PE, 2014774PE, 21496419 Fits Cummins & PACCAR EngineImprove emissions system reliability with this DEF Urea Filter Kit for Cummins and PACCAR...
    29-06070017
    SKU:
    29-06070017
    Style Options:
    Paccar
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    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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