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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.
  • Product
  • Qty in Cart
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  • Knoedler Air Chief Standard Base Mid Back Seat W/ FAS Lumbar, Arms, Headrest, Bellows- Black & Brown Synthetic Leather

    Knoedler Air Chief Standard Base Mid Back Seat W/ FAS Lumbar, Arms, Headrest, Bellows- Black & Brown Synthetic Leather

    KNOEDLER

    $1,876.99
    Black & Brown Synthetic Leather Air Chief Standard Base Mid Back Seat W/ FAS Lumbar, Arms, Headrest, BellowsLong-haul drivers can enjoy unmatched comfort with the Knoedler Air Chief Standard Base Mid...
    98CWL82MH0S12
    SKU:
    98CWL82MH0S12
    Product Type:
    Seats
    Style Options:
    Mid Back
    Material Options:
    Synthetic Leather
    Color:
    Black
    Width Options:
    23 Inch
    Make:
    Universal Items
    $1,876.99
    Qty in Cart: 0
    Price:
    $1,876.99
    Subtotal:
  • V-Band Clamp For Cummins ISM, ISX 12, ISX 15 Engine Replaces 2871863

    V-Band Clamp For Cummins ISM, ISX 12, ISX 15 Engine Replaces 2871863

    AUTOMANN USA

    $32.14
    13.375 Inch V- Band ClampProtect your DPF muffler system on Cummins ISM, ISX 12, and ISX 15 engines with this high-quality stainless steel V-Band Clamp, replacing 2871863. The 12.5-inch body and 13...
    29-08060022
    SKU:
    29-08060022
    Length Options:
    12 1/2 Inch
    Material Options:
    Stainless Steel
    Style Options:
    Cummins
    Diameter Options:
    13 1/2 Inch
    Product Type:
    Exhaust
    Make:
    Universal Items
    $32.14
    Qty in Cart: 0
    Price:
    $32.14
    Subtotal:
  • Knoedler Chief Standard Base High Back Seat W/ 2 Lumbar Supports, Arms, Heat, Massage- Red & Black Synthetic Leather

    Knoedler Chief Standard Base High Back Seat W/ 2 Lumbar Supports, Arms, Heat, Massage- Red & Black Synthetic Leather

    KNOEDLER

    $2,996.99
    Red & Black Synthetic Leather Chief Standard Base High Back Seat W/ 2 Lumbar Supports, Arms, Heat, MassageElevate your cab interior with the Knoedler Chief Standard Base High Back Seat, designed for...
    98CHS82TB0S16
    SKU:
    98CHS82TB0S16
    Color:
    Black
    Product Type:
    Seats
    Degree Options:
    45
    Style Options:
    High Back
    Material Options:
    Synthetic Leather
    Height Options:
    20 Inch
    Make:
    Universal Items
    $2,996.99
    Qty in Cart: 0
    Price:
    $2,996.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Knoedler Harrier Standard Base High Back Seat W/ Air Lumbar, Arms- Black Synthetic Leather

    Knoedler Harrier Standard Base High Back Seat W/ Air Lumbar, Arms- Black Synthetic Leather

    KNOEDLER

    Now: $933.79
    Was: $1,333.99
    Black Synthetic Leather Harrier Standard Base High Back Seat W/ Air Lumbar, ArmsExperience premium comfort and advanced ergonomics with the Knoedler Harrier Standard Base High Back Seat. This...
    941082TB0S01
    SKU:
    941082TB0S01
    Material Options:
    Synthetic Leather
    Degree Options:
    45
    Product Type:
    Seats
    Color:
    Black
    Style Options:
    High Back
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $933.79
    Was: $1,333.99
    Qty in Cart: 0
    Price:
    Now: $933.79
    Was: $1,333.99
    Subtotal:
  • Hub Odometer Bracket Replaces GT-4065, STM6100065, 610-0065

    Hub Odometer Bracket Replaces GT-4065, STM6100065, 610-0065

    AUTOMANN USA

    $18.50
    Hub Odometer BracketEnhance the stability of your hub odometer assembly with this premium Hub Odometer Bracket. Featuring two legs with 0.375-inch mounting holes and a 0.5-inch top mounting hole, it...
    29-20200053
    SKU:
    29-20200053
    Width Options:
    1 1/2 Inch
    Product Type:
    Wheels
    Height Options:
    3 1/2 Inch
    Length Options:
    5 1/2 Inch
    Make:
    Universal Items
    $18.50
    Qty in Cart: 0
    Price:
    $18.50
    Subtotal:
  • V-Band Clamp For Cummins & PACCAR Engine Replaces 2871862, Q187681, P238308, AC300011

    V-Band Clamp For Cummins & PACCAR Engine Replaces 2871862, Q187681, P238308, AC300011

    AFTERMARKET

    $53.99
    11.90 Inch V-Band ClampKeep your Cummins or PACCAR engine running efficiently with this high-quality V-Band Clamp. With stainless steel construction, a 9.5-inch body, and 11.900-inch nominal...
    29-08060018
    SKU:
    29-08060018
    Diameter Options:
    11 1/2 Inch
    Length Options:
    9 1/2 Inch
    Style Options:
    Paccar
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Make:
    Universal Items
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • Camshaft Position Sensor For Caterpillar C15 Engines Replaces 2016617

    Camshaft Position Sensor For Caterpillar C15 Engines Replaces 2016617

    AUTOMANN USA

    $147.99
    Caterpillar C15 Engine Camshaft Position Sensor- 2 PinMaximize engine efficiency and performance with this high-quality Camshaft Position Sensor for CAT C15 engines, replacing 2016617. Featuring a...
    29-07100070
    SKU:
    29-07100070
    Style Options:
    Caterpillar
    Length Options:
    2 1/2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $147.99
    Qty in Cart: 0
    Price:
    $147.99
    Subtotal:
  • Oil Filler Cap For PACCAR MX13 Engine Replaces 1785085, 1785085PE

    Oil Filler Cap For PACCAR MX13 Engine Replaces 1785085, 1785085PE

    AUTOMANN USA

    $19.04
    PACCAR MX13 Engine Oil Filler CapMaintain your PACCAR MX13 engine with this high-quality replacement Oil Filler Cap, designed to replace 1785085 and 1785085PE. Made from durable rubber with a...
    29-072000014
    SKU:
    29-072000014
    Material Options:
    Rubber
    Product Type:
    Engine Parts
    Color:
    Red
    Style Options:
    Paccar
    Diameter Options:
    1 1/2 Inch
    Make:
    Universal Items
    $19.04
    Qty in Cart: 0
    Price:
    $19.04
    Subtotal:
  • Engine Oil Filter Screw Cap For PACCAR MX13 Engine Replaces 1876740, 1876740, 1936324, 1936324, 1948922, 2011888

    Engine Oil Filter Screw Cap For PACCAR MX13 Engine Replaces 1876740, 1876740, 1936324, 1936324, 1948922, 2011888

    AUTOMANN USA

    $69.99
    PACCAR MX13 Engine Oil Filter Screw CapEnsure your PACCAR MX13 engine continues to operate efficiently with this replacement Engine Oil Filter Screw Cap. Its centrifugal screw-on design with included...
    29-072000015
    SKU:
    29-072000015
    Style Options:
    Paccar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • Air Inlet Manifold Pressure Sensor Replaces 1619929, 1946724, 1298374

    Air Inlet Manifold Pressure Sensor Replaces 1619929, 1946724, 1298374

    AUTOMANN USA

    $115.99
    16.50 Inch Air Inlet Manifold Pressure Sensor- 3 PinThis high-quality Air Inlet Manifold Pressure Sensor replacement for 1619929, 1946724, and 1298374 ensures accurate air pressure readings for...
    29-07100066
    SKU:
    29-07100066
    Style Options:
    Caterpillar
    Length Options:
    16 1/2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $115.99
    Qty in Cart: 0
    Price:
    $115.99
    Subtotal:
  • Fuel and Water Separator Vent Cap Replaces 240023, 240023DAV, DVC240023DAV, 1694745C91

    Fuel and Water Separator Vent Cap Replaces 240023, 240023DAV, DVC240023DAV, 1694745C91

    AUTOMANN USA

    $9.99
    Fuel and Water Separator Vent CapSafeguard your truck's fuel system with this Fuel and Water Separator Vent Cap, designed to replace 240023, 240023DAV, DVC240023DAV, and 1694745C91. Cap only, sold...
    29-071200034
    SKU:
    29-071200034
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $9.99
    Qty in Cart: 0
    Price:
    $9.99
    Subtotal:
  • Intake Manifold Air Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921473, 3417142

    Intake Manifold Air Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921473, 3417142

    AUTOMANN USA

    $90.99
    Cummins ISX, QSX15 Engine Intake Manifold Air Temp Sensor- 4 PinThis Intake Manifold Air Temp Sensor provides precise and reliable air temperature monitoring for Cummins ISX and QSX15 engines,...
    29-07100062
    SKU:
    29-07100062
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Length Options:
    1 3/4 Inch
    Make:
    Universal Items
    $90.99
    Qty in Cart: 0
    Price:
    $90.99
    Subtotal:
  • Coolant Temp Sensor For Caterpillar Engines Replaces 1022240

    Coolant Temp Sensor For Caterpillar Engines Replaces 1022240

    AUTOMANN USA

    $115.99
    Caterpillar Engine Coolant Temp Sensor- 3 PinThis Coolant Temp Sensor for Caterpillar engines replaces 1022240 and delivers precise temperature monitoring to optimize engine performance. Featuring a...
    29-07100071
    SKU:
    29-07100071
    Style Options:
    Caterpillar
    Diameter Options:
    1 Inch
    Length Options:
    3 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $115.99
    Qty in Cart: 0
    Price:
    $115.99
    Subtotal:
  • Cam Crank Timing Position Sensor For CAT C11, C13, C15 Engine Replaces 2016615

    Cam Crank Timing Position Sensor For CAT C11, C13, C15 Engine Replaces 2016615

    AUTOMANN USA

    $121.99
    Caterpillar Engine Cam Crank Timing Position Sensor- 2 PinKeep your CAT C11, C13, and C15 engines running at peak efficiency with this high-quality Cam Crank Timing Position Sensor, replacing 2016615...
    29-07100072
    SKU:
    29-07100072
    Length Options:
    3 Inch
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $121.99
    Qty in Cart: 0
    Price:
    $121.99
    Subtotal:
  • GP Speed Sensor For Caterpillar C12 Engine Replaces 1918304, 191-8304

    GP Speed Sensor For Caterpillar C12 Engine Replaces 1918304, 191-8304

    AUTOMANN USA

    $101.99
    Caterpillar C12 Engine GP Speed Sensor- 2 PinOptimize your Caterpillar C12 engine performance with this high-quality GP Speed Sensor, replacing 1918304 and 191-8304. It features a 2-pin...
    29-07100058
    SKU:
    29-07100058
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $101.99
    Qty in Cart: 0
    Price:
    $101.99
    Subtotal:
  • Air Inlet Manifold Pressure Sensor For CAT C11, C13, C15 Engine Replaces 2393478

    Air Inlet Manifold Pressure Sensor For CAT C11, C13, C15 Engine Replaces 2393478

    AUTOMANN USA

    $188.99
    Air Inlet Manifold Pressure Sensor- 3 PinEnsure smooth and efficient engine performance with this Air Inlet Manifold Pressure Sensor for CAT C11, C13, and C15 engines, replacing 2393478. Featuring a...
    29-07100067
    SKU:
    29-07100067
    Product Type:
    Engine Parts
    Length Options:
    2 Inch
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $188.99
    Qty in Cart: 0
    Price:
    $188.99
    Subtotal:
  • Air Pressure Sensor For Caterpillar Engines Replaces 1619925, 1946722

    Air Pressure Sensor For Caterpillar Engines Replaces 1619925, 1946722

    AUTOMANN USA

    $123.99
    Caterpillar Engine Air Pressure Sensor- 3 PinKeep your Caterpillar engine running efficiently with this high-quality Air Pressure Sensor. With a 3-pin connector and 9/16-inch - 18 threaded base, it...
    29-07100069
    SKU:
    29-07100069
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Length Options:
    2 1/4 Inch
    Make:
    Universal Items
    $123.99
    Qty in Cart: 0
    Price:
    $123.99
    Subtotal:
  • Speed Sensor For CAT C11, C13, C15 Engine Replaces 2016616

    Speed Sensor For CAT C11, C13, C15 Engine Replaces 2016616

    AUTOMANN USA

    $169.99
    Caterpillar Engine Speed Sensor- 2 PinKeep your CAT C11, C13, and C15 engine running smoothly with this Speed Sensor, replacing 2016616. Featuring a 2-pin connector/terminal and a mounting bracket...
    29-07100068
    SKU:
    29-07100068
    Length Options:
    2 1/4 Inch
    Style Options:
    Caterpillar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $169.99
    Qty in Cart: 0
    Price:
    $169.99
    Subtotal:
  • Crankshaft Position Sensor For Cummins ISB Engine Replaces 4921601

    Crankshaft Position Sensor For Cummins ISB Engine Replaces 4921601

    AUTOMANN USA

    $61.99
    Cummins ISB Engine Crankshaft Position Sensor- 3 PinUpgrade your Cummins ISB engine with this high-quality Crankshaft Position Sensor, replacing 4921601 to provide accurate and dependable timing...
    29-07100054
    SKU:
    29-07100054
    Style Options:
    Cummins
    Length Options:
    2 5/8 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • Oil Pressure Sensor For Cummins 6C, ISC Engine Replaces 4326849, 4921511, 4088390

    Oil Pressure Sensor For Cummins 6C, ISC Engine Replaces 4326849, 4921511, 4088390

    AUTOMANN USA

    $90.99
    Cummins 6C, ISC Engine Oil Pressure Sensor- 3 PinThis replacement Oil Pressure Sensor for Cummins 6C and ISC engines provides accurate and reliable monitoring, replacing 4326849, 4921511, and 4088390...
    29-07100063
    SKU:
    29-07100063
    Style Options:
    Cummins
    Length Options:
    2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $90.99
    Qty in Cart: 0
    Price:
    $90.99
    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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