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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 $219
    TPHD 4 Inch Round Stop, Turn, Tail Light- Red LED/ Clear Lens

    TPHD 4 Inch Round Stop, Turn, Tail Light- Red LED/ Clear Lens

    TPHD

    $12.99
    4 Inch Round 19 Diode Red LED/ Clear Lens Stop, Turn, Tail Light By TPHDMaximize safety and visibility with the TPHD 4 Inch Round Stop, Turn, Tail Light, a robust LED light with 19 red diodes behind...
    09-160106697
    SKU:
    09-160106697
    Product Type:
    Lighting
    Color:
    Red/Clear
    Material Options:
    Plastic/Poly
    Shape Options:
    Round
    Diameter Options:
    4 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $12.99
    Qty in Cart: 0
    Price:
    $12.99
    Subtotal:
  • Legendary Under Bumper Light Bracket W/ 5 Watermelon Light Holes

    Legendary Under Bumper Light Bracket W/ 5 Watermelon Light Holes

    LEGENDARY

    $184.99
    Under Bumper Light Bracket W/ 5 Watermelon Light Holes By LegendaryUpgrade your truck's lighting setup with the Legendary Under Bumper Light Bracket. This high-quality bracket includes 5 watermelon...
    09-010600206
    SKU:
    09-010600206
    Light Options:
    Without Lights
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $184.99
    Qty in Cart: 0
    Price:
    $184.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 8 Inch Stainless Steel Flat Band Clamp

    TPHD 8 Inch Stainless Steel Flat Band Clamp

    TPHD

    $32.63
    8 Inch Flat Band Clamp By TPHDKeep your exhaust system tight and secure with the TPHD 8 Inch Stainless Steel Flat Band Clamp. Featuring a polished flat band design and crafted from 23-gauge 304...
    09-08000180
    SKU:
    09-08000180
    Finish Options:
    Polished
    Style Options:
    Flat
    Diameter Options:
    8 Inch
    Size Options:
    23 Gauge
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $32.63
    Qty in Cart: 0
    Price:
    $32.63
    Subtotal:
  • Battery Jumper Cable - Group 31, 2/0 W/ 3/8-Inch Lugs

    Battery Jumper Cable - Group 31, 2/0 W/ 3/8-Inch Lugs

    AFTERMARKET

    $17.11 - $22.78
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks17 Inch Red Battery Jumper Cable Replaces 84-969517 Inch 2 Gauge Red Battery Jumper Cable W/ 3/8 Inch...
    PPR_300359
    SKU:
    PPR_300359
    Color:
    Black
    Length Options:
    8 1/2 Inch
    Product Type:
    Engine Parts
    Length Options:
    17 Inch
    Color:
    Red
    Make:
    Universal Items
    $17.11 - $22.78
    Qty in Cart: 0
    Price:
    $17.11 - $22.78
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  • BESTfit 25-Foot Roll Heavy Duty Galvanized Metal Hose

    BESTfit 25-Foot Roll Heavy Duty Galvanized Metal Hose

    BESTFIT TRUCK PARTS

    $293.99 - $383.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 4 Inch X 25 Ft Galvanized Steel Flex Hose4 Inch X 25 Ft Galvanized Flex Hose By BESTfit* High...
    PPR_300295
    SKU:
    PPR_300295
    Product Type:
    Exhaust
    Diameter Options:
    4 Inch
    Diameter Options:
    5 Inch
    Material Options:
    Steel
    Length Options:
    300 Inch
    Finish Options:
    Galvanized
    Style Options:
    Standard
    Style Options:
    Heavy Duty
    Make:
    Universal Items
    $293.99 - $383.99
    Qty in Cart: 0
    Price:
    $293.99 - $383.99
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  • BESTfit 2.5 Inch 304 Stainless Steel V- Band Clamp

    BESTfit 2.5 Inch 304 Stainless Steel V- Band Clamp

    BESTFIT TRUCK PARTS

    $30.99
    2.5 Inch Stainless Steel V- Band Clamp By BESTfitEnsure leak-free, heavy-duty connections with the BESTfit 2.5 Inch 304 Stainless Steel V-Band Clamp. Its precision 2.5-inch diameter and robust 304...
    GR-VB-300C
    SKU:
    GR-VB-300C
    Product Type:
    Exhaust
    Make:
    Universal Items
    $30.99
    Qty in Cart: 0
    Price:
    $30.99
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  • BESTfit 7 Inch Zinc Plated Rain Cap

    BESTfit 7 Inch Zinc Plated Rain Cap

    BESTFIT TRUCK PARTS

    $173.03
    7 Inch Rain Cap By BESTfitPrevent water and debris from entering your exhaust with the BESTfit 7 Inch Zinc Plated Rain Cap. Made for 7-inch straight stack openings, this zinc-plated steel cap offers...
    GR-RC-700
    SKU:
    GR-RC-700
    Product Type:
    Exhaust
    Make:
    Universal Items
    $173.03
    Qty in Cart: 0
    Price:
    $173.03
    Subtotal:
  • BESTfit 7-5.5 Inch 90 Degree Rubber Reducer Elbow

    BESTfit 7-5.5 Inch 90 Degree Rubber Reducer Elbow

    BESTFIT TRUCK PARTS

    $87.99
    7-5.5 Inch 90 Degree Rubber Reducer Elbow By BESTfitKeep your air intake system performing at peak efficiency with the BESTfit 7-5.5 Inch 90 Degree Rubber Reducer Elbow, engineered for a smooth...
    GR-RRE-790-55
    SKU:
    GR-RRE-790-55
    Degree Options:
    90
    Product Type:
    Exhaust
    Material Options:
    Rubber
    Diameter Options:
    7 Inch
    Make:
    Universal Items
    $87.99
    Qty in Cart: 0
    Price:
    $87.99
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  • BESTfit 4 Inch Aluminized Steel Butt Joint Clamp

    BESTfit 4 Inch Aluminized Steel Butt Joint Clamp

    BESTFIT TRUCK PARTS

    $15.85
    4 Inch Aluminized Butt Joint Clamp By BESTfitReplace worn clamps with the BESTfit 4 Inch Aluminized Steel Butt Joint Clamp. Engineered from premium aluminized steel and designed for butt joint...
    GR-PF-4ABT
    SKU:
    GR-PF-4ABT
    Product Type:
    Exhaust
    Make:
    Universal Items
    $15.85
    Qty in Cart: 0
    Price:
    $15.85
    Subtotal:
  • BESTfit 6-5 Inch ID Rubber Reducer Hose

    BESTfit 6-5 Inch ID Rubber Reducer Hose

    BESTFIT TRUCK PARTS

    $37.99
    6-5 Inch ID Rubber Reducer Hose By BESTfitReplace worn or damaged intake connections with the BESTfit 6-5 Inch ID Rubber Reducer Hose, built for heavy-duty trucks. This high-quality 6-inch rubber...
    GR-RHH-6-5
    SKU:
    GR-RHH-6-5
    Product Type:
    Exhaust
    Material Options:
    Rubber
    Diameter Options:
    6 To 5 Inch
    Make:
    Universal Items
    $37.99
    Qty in Cart: 0
    Price:
    $37.99
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  • BESTfit 7-6 Inch 90 Degree Rubber Reducer Elbow

    BESTfit 7-6 Inch 90 Degree Rubber Reducer Elbow

    BESTFIT TRUCK PARTS

    $129.99
    7-6 Inch 90 Degree Rubber Reducer Elbow By BESTfitAchieve secure, leak-free connections in your heavy-duty truck's intake system with the BESTfit 7-6 Inch 90 Degree Rubber Reducer Elbow. Designed to...
    GR-RRE-790-6
    SKU:
    GR-RRE-790-6
    Degree Options:
    90
    Product Type:
    Exhaust
    Style Options:
    Elbow
    Material Options:
    Rubber
    Diameter Options:
    7 Inch
    Make:
    Universal Items
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • BESTfit 5-6 Inch Exhaust Pipe Hook

    BESTfit 5-6 Inch Exhaust Pipe Hook

    BESTFIT TRUCK PARTS

    $9.26
    5-6 Inch Exhaust Pipe Hook By BESTfitSimplify exhaust pipe installation with the BESTfit 5-6 Inch Exhaust Pipe Hook, built to support 5- to 6-inch pipes. This high-quality hook provides stable...
    GR-PH-6A
    SKU:
    GR-PH-6A
    Product Type:
    Exhaust
    Make:
    Universal Items
    $9.26
    Qty in Cart: 0
    Price:
    $9.26
    Subtotal:
  • BESTfit 48 Inch Aluminized Steel Heat Shield W/ Round Holes

    BESTfit 48 Inch Aluminized Steel Heat Shield W/ Round Holes

    BESTFIT TRUCK PARTS

    $179.99
    48 Inch Aluminized 180 Degree Heat Shield W/ Round Holes By BESTfitSafeguard surrounding components from high exhaust temperatures with the BESTfit 48 Inch Aluminized Steel Heat Shield. The...
    GR-PG-G
    SKU:
    GR-PG-G
    Material Options:
    Aluminum
    Length Options:
    48 Inch
    Degree Options:
    180
    Product Type:
    Exhaust
    Make:
    Universal Items
    $179.99
    Qty in Cart: 0
    Price:
    $179.99
    Subtotal:
  • BESTfit 3.5 Inch Guillotine Single Edge Saddle Clamp

    BESTfit 3.5 Inch Guillotine Single Edge Saddle Clamp

    BESTFIT TRUCK PARTS

    $6.89
    3.5 Inch Zinc Plated Guillotine Single Edge Saddle Clamp By BESTfitThe BESTfit 3.5 Inch Guillotine Single Edge Saddle Clamp ensures tight, reliable exhaust connections for commercial trucks. Its...
    GR-RB-35ZN
    SKU:
    GR-RB-35ZN
    Product Type:
    Exhaust
    Make:
    Universal Items
    $6.89
    Qty in Cart: 0
    Price:
    $6.89
    Subtotal:
  • BESTfit 10 X 15 Inch Aluminized Steel Oval Muffler Hanger

    BESTfit 10 X 15 Inch Aluminized Steel Oval Muffler Hanger

    BESTFIT TRUCK PARTS

    $72.09
    10 X 15 Inch Oval Muffler Hanger By BESTfitSecure your truck's exhaust system with the BESTfit 10 x 15 Inch Oval Muffler Hanger. Crafted from durable aluminized steel and designed for horizontal...
    GR-OMH-1015
    SKU:
    GR-OMH-1015
    Product Type:
    Exhaust
    Make:
    Universal Items
    $72.09
    Qty in Cart: 0
    Price:
    $72.09
    Subtotal:
  • BESTfit 4 ID X 4.21 OD X 8 Inch Hot Side CAC Hose

    BESTfit 4 ID X 4.21 OD X 8 Inch Hot Side CAC Hose

    BESTFIT TRUCK PARTS

    $90.99
    4 ID X 4.21 OD X 8 Inch Hot Side CAC Hose By BESTfitDeliver dependable airflow in your EGR hot-side system with the BESTfit 4 ID x 4.21 OD x 8 Inch CAC Hose. This high-quality silicone hose provides...
    GR-HCAC-20074
    SKU:
    GR-HCAC-20074
    Length Options:
    6 Inch
    Material Options:
    Silicone
    Color:
    Red
    Diameter Options:
    4 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $90.99
    Qty in Cart: 0
    Price:
    $90.99
    Subtotal:
  • BESTfit 9.5 Inch ID X 10.25 Inch OD DPF Gasket For Cummins ISB 6.7L

    BESTfit 9.5 Inch ID X 10.25 Inch OD DPF Gasket For Cummins ISB 6.7L

    BESTFIT TRUCK PARTS

    $18.59
    9.5 Inch ID X 10.25 Inch OD DPF Gasket By BESTfitMaintain a leak-free DPF system on your Cummins ISB 6.7L with the BESTfit 9.5 Inch ID x 10.25 Inch OD DPF Gasket. Crafted from high-quality materials,...
    GR-GRDPFG-1051-10
    SKU:
    GR-GRDPFG-1051-10
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $18.59
    Qty in Cart: 0
    Price:
    $18.59
    Subtotal:
  • BESTfit 4/4.5 ID X 6.5 Inch CAC Hose

    BESTfit 4/4.5 ID X 6.5 Inch CAC Hose

    BESTFIT TRUCK PARTS

    $113.99
    4/4.5 ID X 6.5 Inch Hot Side CAC Hose By BESTfitEnsure smooth airflow and long-term performance with the BESTfit 4/4.5 ID x 6.5 Inch CAC Hose, designed for EGR hot-side systems. Made of high-quality...
    GR-HCAC-12842
    SKU:
    GR-HCAC-12842
    Color:
    Red
    Product Type:
    Engine Parts
    Diameter Options:
    4 Inch
    Material Options:
    Silicone
    Length Options:
    6 1/2 Inch
    Make:
    Universal Items
    $113.99
    Qty in Cart: 0
    Price:
    $113.99
    Subtotal:
  • BESTfit 11 X 36.25 Inch Aluminized Steel Type 2 Muffler For Freightliner

    BESTfit 11 X 36.25 Inch Aluminized Steel Type 2 Muffler For Freightliner

    BESTFIT TRUCK PARTS

    $173.03
    11 X 36.25 Inch Muffler W/ 3 Inch Inlet & 4 Inch Outlet By BESTfitReplace your worn muffler with the BESTfit 11 x 36.25 Inch Type 2 Muffler for Freightliner trucks. Made from durable aluminized...
    GR-M-070
    SKU:
    GR-M-070
    Product Type:
    Exhaust
    $173.03
    Qty in Cart: 0
    Price:
    $173.03
    Subtotal:
  • BESTfit 10 X 44.5 Inch Aluminized Steel Muffler W/ 5 Inch Inlet/ Outlet

    BESTfit 10 X 44.5 Inch Aluminized Steel Muffler W/ 5 Inch Inlet/ Outlet

    BESTFIT TRUCK PARTS

    $204.99
    10 X 44.5 Inch Muffler W/ 5 Inch Inlet/ Outlet By BESTfitMaintain smooth and quiet exhaust operation with the BESTfit 10 x 44.5 Inch Type 1 Muffler. Constructed from aluminized steel, this round...
    GR-M-130
    SKU:
    GR-M-130
    Product Type:
    Exhaust
    Make:
    Universal Items
    $204.99
    Qty in Cart: 0
    Price:
    $204.99
    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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