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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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  • Quantity
  • Price
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  • Restrictor Can Replaces 373029, E7758, 3507134C1, 25171445, 61QK432, R307758 For Chalmers Suspension

    Restrictor Can Replaces 373029, E7758, 3507134C1, 25171445, 61QK432, R307758 For Chalmers Suspension

    AFTERMARKET

    $180.99
    11.625 X 5.125 X 0.173 Inch Restrictor CanMaintain superior heavy-duty suspension performance with this Chalmers Restrictor Can. Built for 20K, 700 Series trucks with a high center of gravity, it is...
    29-05100161
    SKU:
    29-05100161
    Product Type:
    Frame & Chassis
    Height Options:
    5 Inch
    Diameter Options:
    11 1/2 Inch
    Make:
    Universal Items
    $180.99
    Qty in Cart: 0
    Price:
    $180.99
    Subtotal:
  • Adapter Sleeve Replaces 45163, 45163000, 526000C1, 90001002, 3082229 For Holland/Neway Suspension

    Adapter Sleeve Replaces 45163, 45163000, 526000C1, 90001002, 3082229 For Holland/Neway Suspension

    AUTOMANN USA

    $18.50
    2.656 X 2.50 X 0.781 Inch Adapter SleeveThis Holland/Neway Adapter Sleeve is a reliable replacement for OEM parts 45163, 45163000, 526000C1, 90001002, and 3082229. Measuring 2.656 inches overall...
    29-05100144
    SKU:
    29-05100144
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $18.50
    Qty in Cart: 0
    Price:
    $18.50
    Subtotal:
  • Spigot Cap Replaces 800055, E7768, 1515967C1, 800055CS1, R307768, 5HR711 For Chalmers Suspension

    Spigot Cap Replaces 800055, E7768, 1515967C1, 800055CS1, R307768, 5HR711 For Chalmers Suspension

    AFTERMARKET

    $10.03
    2.375/ 4.531 Inch Spigot CapEnsure durable and reliable suspension performance with this high-quality Spigot Cap for Chalmers suspension systems. Designed to replace 800055, E7768, 1515967C1,...
    29-05100162
    SKU:
    29-05100162
    Diameter Options:
    4 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $10.03
    Qty in Cart: 0
    Price:
    $10.03
    Subtotal:
  • Rear Of Rear Hanger Replaces 1615880000, 16-15880-000 For Freightliner, Sterling

    Rear Of Rear Hanger Replaces 1615880000, 16-15880-000 For Freightliner, Sterling

    AFTERMARKET

    $93.99
    7.875 X 3.95 Inch Rear Of Rear HangerOptimize your Freightliner or Sterling rear suspension with this Rear Of Rear Hanger, replacing 1615880000 and 16-15880-000. Left and right side fitment ensures...
    29-05100148
    SKU:
    29-05100148
    Product Type:
    Frame & Chassis
    Make:
    Sterling
    Make:
    Freightliner
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • Hanger W/ 0.91 Inch Offset Replaces E7569, 48598002, 48598-002, 57594002, 57594-002, 57594002L, 57594-002L, 25037416 For Hendrickson Suspension Systems

    Hanger W/ 0.91 Inch Offset Replaces E7569, 48598002, 48598-002, 57594002, 57594-002, 57594002L, 57594-002L, 25037416 For Hendrickson Suspension Systems

    AFTERMARKET

    $137.99
    Hanger W/ 0.91 Inch Offset Used On U/UE/RU/RUE/RT/RTE Series Drive AxleEngineered for precision and strength, this Hendrickson Hanger with a 0.91-inch offset fits U/UE/RU/RUE/RT/RTE series drive...
    29-05100132
    SKU:
    29-05100132
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $137.99
    Qty in Cart: 0
    Price:
    $137.99
    Subtotal:
  • Hanger Replaces E9635A, E-9635A, 470763, 47076-3, 47076003, 47076-003, 485983, 48598-3, 48598003, 48598-003, 57584003, 57584-003, 575943, 57594-3, 57594003, 57594-003, R309635A For Hendrickson Suspension Systems

    Hanger Replaces E9635A, E-9635A, 470763, 47076-3, 47076003, 47076-003, 485983, 48598-3, 48598003, 48598-003, 57584003, 57584-003, 575943, 57594-3, 57594003, 57594-003, R309635A For Hendrickson Suspension Systems

    AFTERMARKET

    $146.99
    Hanger Used On RT/RTE Series Drive AxleRestore heavy-duty suspension reliability with this Hendrickson Hanger for RT/RTE series drive axles. It is engineered with horizontal center-to-center...
    29-05100131
    SKU:
    29-05100131
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $146.99
    Qty in Cart: 0
    Price:
    $146.99
    Subtotal:
  • King Pin Kit Replaces 1008431, R200267 For Dana & Spicer Suspension Systems

    King Pin Kit Replaces 1008431, R200267 For Dana & Spicer Suspension Systems

    AFTERMARKET

    $296.99
    King Pin Kit W/ 1.625 X 9.20 Inch King Pin & Composite BushingsRestore your Dana & Spicer suspension system with this King Pin Kit. Kit includes single draw key king pins, composite bushings,...
    29-05090170
    SKU:
    29-05090170
    Diameter Options:
    1 1/2 Inch
    Length Options:
    9 1/16 Inch
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $296.99
    Qty in Cart: 0
    Price:
    $296.99
    Subtotal:
  • King Pin Kit Replaces R201609 For Meritor Suspension Systems

    King Pin Kit Replaces R201609 For Meritor Suspension Systems

    AFTERMARKET

    $248.99
    King Pin Kit W/ 1.794 X 9.016 Inch King Pin & Composite BushingsRestore your Meritor suspension system with this comprehensive King Pin Kit. The kit includes opposite double draw key king pins,...
    29-05090064
    SKU:
    29-05090064
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $248.99
    Qty in Cart: 0
    Price:
    $248.99
    Subtotal:
  • King Pin Kit Replaces 28345, ETN328345 For Eaton Suspension Systems

    King Pin Kit Replaces 28345, ETN328345 For Eaton Suspension Systems

    AFTERMARKET

    $430.99
    King Pin Kit W/ 1.873 X 9.06 Inch King Pin & Composite BushingsKeep your Eaton suspension operating efficiently with this high-quality King Pin Kit. Complete with single draw key king pins, composite...
    29-05090155
    SKU:
    29-05090155
    Diameter Options:
    2 Inch
    Product Type:
    Frame & Chassis
    Length Options:
    9 Inch
    Position:
    Kit Full
    Make:
    Universal Items
    $430.99
    Qty in Cart: 0
    Price:
    $430.99
    Subtotal:
  • King Pin Kit Replaces R203018, 7014505, E1460 For Dana & Spicer Suspension Systems

    King Pin Kit Replaces R203018, 7014505, E1460 For Dana & Spicer Suspension Systems

    AUTOMANN USA

    $354.99
    King Pin Kit W/ 1.87 X 9.07 Inch King Pin & Pre-Sized No-Ream Bi-Metal BushingsTake control of your heavy-duty suspension system with this Dana & Spicer King Pin Kit. This kit comes complete with...
    29-05090166
    SKU:
    29-05090166
    Diameter Options:
    2 Inch
    Product Type:
    Frame & Chassis
    Length Options:
    9 Inch
    Position:
    Kit Full
    Make:
    Universal Items
    $354.99
    Qty in Cart: 0
    Price:
    $354.99
    Subtotal:
  • King Pin Kit Replaces 331435 For Dana & Spicer Suspension Systems

    King Pin Kit Replaces 331435 For Dana & Spicer Suspension Systems

    AFTERMARKET

    $404.99
    King Pin Kit W/ 2.045 X 10.07 Inch King Pin & Composite BushingsEnsure smooth steering and reliable suspension with this King Pin Kit for Dana & Spicer systems, replacing part 331435. The kit...
    29-05090059
    SKU:
    29-05090059
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $404.99
    Qty in Cart: 0
    Price:
    $404.99
    Subtotal:
  • King Pin Kit Replaces 328343 For Eaton Suspension Systems

    King Pin Kit Replaces 328343 For Eaton Suspension Systems

    AFTERMARKET

    $432.99
    King Pin Kit W/ 1.873 X 9.07 Inch King Pin & Bi-Metal BushingsThis high-quality Eaton King Pin Kit ensures smooth, reliable suspension performance. The kit includes single draw key king pins,...
    29-05090154
    SKU:
    29-05090154
    Product Type:
    Frame & Chassis
    Diameter Options:
    1 1/2 Inch
    Length Options:
    9 Inch
    Make:
    Universal Items
    $432.99
    Qty in Cart: 0
    Price:
    $432.99
    Subtotal:
  • King Pin Kit Replaces 700040, 700040-KIT For Ingersoll/IMT Axle Kits

    King Pin Kit Replaces 700040, 700040-KIT For Ingersoll/IMT Axle Kits

    AFTERMARKET

    $481.99
    King Pin Kit W/ 2.248 X 11.30 Inch King Pin & Bronze BushingsKeep your Ingersoll or IMT axle system performing at its best with this King Pin Kit. Includes opposite double draw key king pins, bronze...
    29-05090055
    SKU:
    29-05090055
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $481.99
    Qty in Cart: 0
    Price:
    $481.99
    Subtotal:
  • King Pin Kit Replaces 328347, ETN328347 For Dana & Spicer Suspension Systems

    King Pin Kit Replaces 328347, ETN328347 For Dana & Spicer Suspension Systems

    AFTERMARKET

    $315.99
    King Pin Kit W/ 1.873 X 9.07 Inch King Pin & Bi-Metal BushingsBuilt for long-lasting performance, this King Pin Kit is a perfect solution for Dana & Spicer suspension systems. It includes same side...
    29-05090061
    SKU:
    29-05090061
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $315.99
    Qty in Cart: 0
    Price:
    $315.99
    Subtotal:
  • King Pin Kit Replaces 2505494C91, 8889361440, 88936144, R201319, R201471 For Dana, Spicer & Ridewell Suspension Systems

    King Pin Kit Replaces 2505494C91, 8889361440, 88936144, R201319, R201471 For Dana, Spicer & Ridewell Suspension Systems

    AFTERMARKET

    $323.99
    King Pin Kit W/ 1.794 X 10.41 Inch King Pin & Composite BushingsUpgrade or rebuild your Dana, Spicer, or Ridewell suspension system with this high-quality King Pin Kit. Includes opposite side double...
    29-05090058
    SKU:
    29-05090058
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $323.99
    Qty in Cart: 0
    Price:
    $323.99
    Subtotal:
  • King Pin Kit Replaces K122E, R202001, SKS12205 For Dana & Spicer Suspension Systems

    King Pin Kit Replaces K122E, R202001, SKS12205 For Dana & Spicer Suspension Systems

    AFTERMARKET

    $445.99
    King Pin Kit W/ 1.794 X 9.05 Inch King Pin & Rapid No-Ream BushingsRestore your Dana or Spicer suspension with this durable King Pin Kit. The kit includes single draw key king pins, rapid no-ream...
    29-05090056
    SKU:
    29-05090056
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $445.99
    Qty in Cart: 0
    Price:
    $445.99
    Subtotal:
  • King Pin End Cap Replaces 2505494C91, 8889361440, 88936144, R201319, R201471 For Dana & Spicer Suspension Systems

    King Pin End Cap Replaces 2505494C91, 8889361440, 88936144, R201319, R201471 For Dana & Spicer Suspension Systems

    AUTOMANN USA

    $10.38
    2.365 Inch King Pin End Cap Used On Ridewell Lift RSS232T/Flex-Trac 8X To 14KKeep your Dana & Spicer suspension running smoothly with this premium King Pin End Cap. Designed for Ridewell Lift...
    29-05090057
    SKU:
    29-05090057
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $10.38
    Qty in Cart: 0
    Price:
    $10.38
    Subtotal:
  • King Pin Kit Replaces 70.147.05, R203038 For Dana & Spicer Suspension Systems

    King Pin Kit Replaces 70.147.05, R203038 For Dana & Spicer Suspension Systems

    AFTERMARKET

    $347.99
    King Pin Kit W/ 1.873 X 9.07 Inch King Pin & Bi-Metal Pre-Sized No-Ream BushingsRestore precise steering and suspension reliability with this King Pin Kit for Dana and Spicer Suspension. This...
    29-050900044
    SKU:
    29-050900044
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $347.99
    Qty in Cart: 0
    Price:
    $347.99
    Subtotal:
  • Dark Silver Wheel Center Cap For 5 x 5.5 Inch And 6 x 5.5 Inch Bolt Patterns

    Dark Silver Wheel Center Cap For 5 x 5.5 Inch And 6 x 5.5 Inch Bolt Patterns

    WHEEL PROS

    $21.92
    Wheel Center Cap- SilverProtect your hubs and add a touch of style with the Dark Silver Wheel Center Cap, engineered for 5 x 5.5-inch and 6 x 5.5-inch bolt patterns. Featuring a dark silver finish...
    09-2005355
    SKU:
    09-2005355
    Color:
    Silver
    Product Type:
    Wheels
    Make:
    Universal Items
    $21.92
    Qty in Cart: 0
    Price:
    $21.92
    Subtotal:
  • 8.25 X 22.5 Inch Diamond-Cut Aluminum American Racing Baja LT Style Wheel

    8.25 X 22.5 Inch Diamond-Cut Aluminum American Racing Baja LT Style Wheel

    WHEEL PROS

    $456.99
    8.25 X 22.5 Inch American Racing Baja LT Style Wheel- Standard Polish AluminumMake a statement on the road with the American Racing Baja LT Style Wheel in 8.25 x 22.5 inches. Its diamond-cut machined...
    09-20132244
    SKU:
    09-20132244
    Color:
    Black
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Product Type:
    Wheels
    Make:
    Universal Items
    $456.99
    Qty in Cart: 0
    Price:
    $456.99
    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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