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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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  • FREE SHIPPING OVER $249
    Yoke Clutch Release Fork 8 Inch Length Replaces 02-09688-000 For 1 Inch X 9 Inch Shaft

    Yoke Clutch Release Fork 8 Inch Length Replaces 02-09688-000 For 1 Inch X 9 Inch Shaft

    AFTERMARKET

    $20.99
    Yoke Clutch Release 7 Inch C To C Bolt Length & 4.895 Inch Inside Ear Length* High Quality Yoke Clutch Release Fork* Use With 1 Inch X 9 Inch Shaft (Not Included)* Dimensions:  - 8 Inch Overall...
    29-07050125
    SKU:
    29-07050125
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $20.99
    Qty in Cart: 0
    Price:
    $20.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Manual Transmission Front Bearing Retainer W/ 6 Mounting Holes Replaces 20550B, 3088-20550

    Manual Transmission Front Bearing Retainer W/ 6 Mounting Holes Replaces 20550B, 3088-20550

    AFTERMARKET

    $23.99
    Flange Mount Manual Transmission Front Bearing Retainer* High Quality Transmission Bearing Retainer* Manual Transmission Front Bearing Cover* (6) Mounting Holes* Flange Mount* Sold Individually*...
    29-07050126
    SKU:
    29-07050126
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $23.99
    Qty in Cart: 0
    Price:
    $23.99
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  • Stiletto Thread On Nut Cover 4.25 X 2.0625 Inch

    Stiletto Thread On Nut Cover 4.25 X 2.0625 Inch

    UNITED PACIFIC

    $1.99
    4.25 X 2.0625 Inch Stiletto Thread On Nut Cover* High Quality Nut Cover* Made Of Injection Molded Plastic* Triple Chrome Plated Finish* Stiletto Design* Designed To Cover Up And Hide The Lug Nut*...
    09-20060032
    SKU:
    09-20060032
    Product Type:
    Wheels
    Make:
    Universal Items
    $1.99
    Qty in Cart: 0
    Price:
    $1.99
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  • Rear Axle Cover W/ Removable Extra Tall Center Top Cap & 10 33MM Thread On Cylinder Style Nut Covers 13.8125 X 10 Inch

    Rear Axle Cover W/ Removable Extra Tall Center Top Cap & 10 33MM Thread On Cylinder Style Nut Covers 13.8125 X 10 Inch

    UNITED PACIFIC

    $57.99
    13.8125 X 10 Inch Rear Axle Cover W/ Removable Extra Tall Center Top Cap & 10 33MM Thread On Cylinder Style Nut Covers* High Quality Rear Axle Cover* Made Of Injection Molded Plastic* Triple Chrome...
    09-20060027
    SKU:
    09-20060027
    Product Type:
    Wheels
    Make:
    Universal Items
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
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  • Stainless Steel Standard Nut Covers W/ Flange 33MM X 2.125 Inch 50 Pack

    Stainless Steel Standard Nut Covers W/ Flange 33MM X 2.125 Inch 50 Pack

    UNITED PACIFIC

    $62.99
    50 Pack Standard Nut Covers Stainless Steel 33MM X 2.125 Inch W/ Flange* High Quality Nut Cover* Made Of 304 Stainless Steel* Polished Finish* Standard Style* With Flange* Dimensions:  - 2.1250 Inch...
    09-20030135
    SKU:
    09-20030135
    Product Type:
    Wheels
    Make:
    Universal Items
    $62.99
    Qty in Cart: 0
    Price:
    $62.99
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  • Cylinder Flat Top Push On Nut Cover 3.5 X 3 Inch

    Cylinder Flat Top Push On Nut Cover 3.5 X 3 Inch

    UNITED PACIFIC

    $19.99
    3.5 X 3 Inch Cylinder Flat Top Push On Nut Cover* High Quality Nut Cover* Made Of Injection Molded Plastic* Triple Chrome Plated Finish* Cylinder Flat Top Style* Designed To Cover Up And Hide The Lug...
    09-20060030
    SKU:
    09-20060030
    Product Type:
    Wheels
    Make:
    Universal Items
    $19.99
    Qty in Cart: 0
    Price:
    $19.99
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  • FREE SHIPPING OVER $249
    Bosch Style Relay Switch W/ 30/40 AMP 12V Tab

    Bosch Style Relay Switch W/ 30/40 AMP 12V Tab

    UNITED PACIFIC

    $8.99
    Bosch Style Relay Switch W/ Standard 5 Pin Relay* High Quality Relay Switch* Bosch Style* Standard 5 Pin Relay* 30/40 Amp 12V Tab* Sold Individually* Warranty On Relay Switches Against Defects In...
    09-16190911
    SKU:
    09-16190911
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $8.99
    Qty in Cart: 0
    Price:
    $8.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Bosch Style Relay Harness 14 AWG & 18 Foot Leads

    Bosch Style Relay Harness 14 AWG & 18 Foot Leads

    UNITED PACIFIC

    $9.99
    Bosch Style Relay Harness W/ Standard 5 Pole Relay Plug* High Quality Relay Harness* Bosch Style* Standard 5 Pole Relay Plug* 14 AWG* 18 Foot Leads* Sold Individually* Warranty On Relay Harnesses...
    09-16190912
    SKU:
    09-16190912
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $9.99
    Qty in Cart: 0
    Price:
    $9.99
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  • Turn Signal Flasher 3 Terminal 6V 535 Type

    Turn Signal Flasher 3 Terminal 6V 535 Type

    UNITED PACIFIC

    $11.99
    535 Type Turn Signal Flasher 6V 3 Terminal* High Quality Turn Signal Flasher* (3) Terminal 6V 535 Type* For All 6 Volt Negative Ground Applications* Has P Terminal For Single Dash Indicator Light*...
    09-16190627
    SKU:
    09-16190627
    Product Type:
    Lighting
    Make:
    Universal Items
    $11.99
    Qty in Cart: 0
    Price:
    $11.99
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  • Super Spike Push On Nut Cover 4.75 Inch For 33 MM Nut Size

    Super Spike Push On Nut Cover 4.75 Inch For 33 MM Nut Size

    UNITED PACIFIC

    $1.99
    4.75 Inch Super Spike Push On Nut Cover Fits 33 MM Nut Size* High Quality Nut Cover* Made Of Injection Molded Plastic* Triple Chrome Plated Finish* Super Spike Design* Designed To Cover Up And Hide...
    09-20060031
    SKU:
    09-20060031
    Product Type:
    Wheels
    Make:
    Universal Items
    $1.99
    Qty in Cart: 0
    Price:
    $1.99
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  • White Round Saber Light Bar LED Stop, Turn, Tail Light W/ Clear Lens

    White Round Saber Light Bar LED Stop, Turn, Tail Light W/ Clear Lens

    UNITED PACIFIC

    $15.99
    White Round Saber Light Bar LED Stop, Turn, Tail Light W/ 3 Hardwired Wires* High Quality Back Up LED Light* Round Saber Light Bar Design* DOT/SAE, FMVSS 108* IPX7 Water Resistant Rating* Completely...
    09-16091015
    SKU:
    09-16091015
    Product Type:
    Lighting
    Make:
    Universal Items
    $15.99
    Qty in Cart: 0
    Price:
    $15.99
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  • White Oval Saber Light Bar LED Stop, Turn & Tail Light W/ Clear Lens

    White Oval Saber Light Bar LED Stop, Turn & Tail Light W/ Clear Lens

    UNITED PACIFIC

    $15.99
    White Oval Saber Light Bar LED Stop, Turn & Tail Light W/ Rear Housing With 3 Pin Female Contact Terminals* High Quality Back Up LED Light* Oval Saber Light Bar Design* DOT/SAE, FMVSS 108* IPX7 Water...
    09-16091018
    SKU:
    09-16091018
    Product Type:
    Lighting
    Make:
    Universal Items
    $15.99
    Qty in Cart: 0
    Price:
    $15.99
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  • Amber Round Saber Light Bar Design LED 4 Inch Turn Signal Light W/ Clear Lens

    Amber Round Saber Light Bar Design LED 4 Inch Turn Signal Light W/ Clear Lens

    UNITED PACIFIC

    $15.99
    Amber Round Saber Light Bar Design LED 4 Inch Turn Signal Light W/ 3 Hardwired Wires & Rear Housing With 3 Pin Female Contact Terminals* High Quality Turn Signal LED Light* Round Saber Light Bar...
    09-1607003
    SKU:
    09-1607003
    Product Type:
    Lighting
    Make:
    Universal Items
    $15.99
    Qty in Cart: 0
    Price:
    $15.99
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  • Foam Gasket For Sleeper Bunk LED Adapter

    Foam Gasket For Sleeper Bunk LED Adapter

    UNITED PACIFIC

    $1.99
    Foam Gasket Fits Sleeper Bunk LED Adapter* High Quality Foam Gasket* For Sleeper Bunk LED Adapter (Not Included)* Sold Individually* Warranty On Foam Gaskets Against Defects In Workmanship & Material...
    09-16020549
    SKU:
    09-16020549
    Product Type:
    Lighting
    Make:
    Universal Items
    $1.99
    Qty in Cart: 0
    Price:
    $1.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Battery Isolator Switch W/ Hardware & 2 Keys

    Battery Isolator Switch W/ Hardware & 2 Keys

    UNITED PACIFIC

    $20.99
    Battery Isolator Switch W/ 2 Keys & Hardware* High Quality Battery Isolator Switch* Includes:  - (2) Keys  - Hardware* Sold Individually* Warranty On Battery Isolator Switches Against Defects In...
    09-16200204
    SKU:
    09-16200204
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $20.99
    Qty in Cart: 0
    Price:
    $20.99
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  • Phantom 1 Design Light Bezel 6.6875 X 2.6875 Inch W/ Triple Chrome Plating

    Phantom 1 Design Light Bezel 6.6875 X 2.6875 Inch W/ Triple Chrome Plating

    UNITED PACIFIC

    $5.99
    Light Bezel Phantom 1 Design 6.6875 X 2.6875 Inch W/ Triple Chrome Plating* High Quality Light Bezel* Made Of Injection Molded Plastic* Triple Chrome Plating Process* Phantom I Design* Designed To...
    09-160500006
    SKU:
    09-160500006
    Product Type:
    Lighting
    Make:
    Universal Items
    $5.99
    Qty in Cart: 0
    Price:
    $5.99
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  • Low Profile Flat Red 2 Inch Round LED Clearance & Marker Light W/ Red Lens

    Low Profile Flat Red 2 Inch Round LED Clearance & Marker Light W/ Red Lens

    UNITED PACIFIC

    $4.99
    Low Profile Flat Red 2 Inch Round LED Marker Light W/ 2 Female Connector* High Quality Clearance/Marker Light* Low Profile Flat Design* Includes:  - Polycarbonate Lens (Sonically Sealed To Housing) ...
    09-1601060679
    SKU:
    09-1601060679
    Product Type:
    Lighting
    Make:
    Universal Items
    $4.99
    Qty in Cart: 0
    Price:
    $4.99
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  • H8/H11/H16 Bulb 3.3125 Inch W/ 6 Diode White LED

    H8/H11/H16 Bulb 3.3125 Inch W/ 6 Diode White LED

    UNITED PACIFIC

    $43.99
    3.3125 Inch H8/H11/H16 Bulb W/ Fanless Design & 110 Lumens Output* High Quality H8/H11/H16 Bulb* H8/H11/H16 Style Plug* Fanless Design (Proprietary Aluminum Heat Sink Dissipates Excess Heat)*...
    09-1601001084
    SKU:
    09-1601001084
    Product Type:
    Lighting
    Make:
    Universal Items
    $43.99
    Qty in Cart: 0
    Price:
    $43.99
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  • On Sale
    Amber/Pink Dual Revolution M1 Style Gen 4 LED Marker & Auxiliary Light W/ Clear Lens

    Amber/Pink Dual Revolution M1 Style Gen 4 LED Marker & Auxiliary Light W/ Clear Lens

    TRUX ACCESSORIES

    Now: $28.47
    Was: $35.59
    Amber/Pink Dual Revolution M1 Style Gen 4 LED Marker Light W/ Chrome ABS Plastic Bezel & 3 Male Bullet PlugsAdd versatile lighting and a custom look to your truck with theAmber/Pink Dual Revolution...
    09-160105316
    SKU:
    09-160105316
    Product Type:
    Lighting
    Make:
    Universal Items
    Now: $28.47
    Was: $35.59
    Qty in Cart: 0
    Price:
    Now: $28.47
    Was: $35.59
    Subtotal:
  • 10 Piece Mounting Hardware Set For Watermelon Cab Lights

    10 Piece Mounting Hardware Set For Watermelon Cab Lights

    UNITED PACIFIC

    $2.99
    Mounting Hardware Set Fits Watermelon Cab Lights 10 Piece* High Quality Mounting Hardware Set* Made of Stainless Steel* For Mounting Watermelon Cab Lights (Lights Not Included)* Includes:  - (10) M4...
    09-16080021
    SKU:
    09-16080021
    Product Type:
    Lighting
    Make:
    Universal Items
    $2.99
    Qty in Cart: 0
    Price:
    $2.99
    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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