null

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
  • Quantity
  • Price
  • Subtotal
  • Manifold Pressure Sensor For Cummins L10, M11 & ISM Engine Replaces 4921493, 3330141

    Manifold Pressure Sensor For Cummins L10, M11 & ISM Engine Replaces 4921493, 3330141

    AUTOMANN USA

    $123.99
    Cummins L10, M11 & ISM Engine Manifold Pressure Sensor - 3 PinThis high-quality Manifold Pressure Sensor for Cummins L10, M11, and ISM engines, replacing 4921493 and 3330141, delivers precise and...
    29-07100059
    SKU:
    29-07100059
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Length Options:
    2 Inch
    Make:
    Universal Items
    $123.99
    Qty in Cart: 0
    Price:
    $123.99
    Subtotal:
  • Oil Temp Sensor For Cummins ISM, QSM Engine Replaces 4921477

    Oil Temp Sensor For Cummins ISM, QSM Engine Replaces 4921477

    AUTOMANN USA

    $95.99
    Cummins ISM, QSM Engine Oil Temp Sensor- 4 PinMonitor your engine's oil temperature with precision using this high-quality Oil Temp Sensor for Cummins ISM and QSM engines. Built for durability and...
    29-07100061
    SKU:
    29-07100061
    Product Type:
    Engine Parts
    Length Options:
    2 Inch
    Make:
    Universal Items
    $95.99
    Qty in Cart: 0
    Price:
    $95.99
    Subtotal:
  • Turbo Boost Sensor For Cummiins N14, L10, M11 & ISM Engine Replaces 3084521, 4921501

    Turbo Boost Sensor For Cummiins N14, L10, M11 & ISM Engine Replaces 3084521, 4921501

    AUTOMANN USA

    $108.99
    Cummiins N14, L10, M11 & ISM Engine Turbo Boost Sensor- 3 PinMaintain turbocharger accuracy on your Cummins N14, L10, M11, or ISM engine with this high-quality Turbo Boost Sensor, replacing 3084521...
    29-07100060
    SKU:
    29-07100060
    Style Options:
    Cummins
    Length Options:
    2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $108.99
    Qty in Cart: 0
    Price:
    $108.99
    Subtotal:
  • Crankshaft Position Sensor For Cummins ISB Engine Replaces 3408430, 4921597, 050705

    Crankshaft Position Sensor For Cummins ISB Engine Replaces 3408430, 4921597, 050705

    AUTOMANN USA

    $66.99
    Cummins ISB Engine Crankshaft Position Sensor- 3 PinMaintain optimal performance for your Cummins ISB engine with this high-quality Crankshaft Position Sensor replacing 3408430, 4921597, and 050705...
    29-07100055
    SKU:
    29-07100055
    Product Type:
    Engine Parts
    Length Options:
    2 1/4 Inch
    Style Options:
    Cummins
    Make:
    Universal Items
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
    Subtotal:
  • GP Speed Sensor For Caterpillar C15, C15A Engine Replaces 1918303, 191-8303

    GP Speed Sensor For Caterpillar C15, C15A Engine Replaces 1918303, 191-8303

    AUTOMANN USA

    $93.99
    Caterpillar C15, C15A Engine GP Speed Sensor- 2 PinEnsure accurate speed readings for your Caterpillar C15 and C15A engines with this GP Speed Sensor replacement for 1918303 and 191-8303. It comes...
    29-07100057
    SKU:
    29-07100057
    Product Type:
    Engine Parts
    Style Options:
    2 Prong
    Length Options:
    2 5/8 Inch
    Make:
    Universal Items
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • Oil Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921475, 3331230

    Oil Temp Sensor For Cummins ISX, QSX15 Engine Replaces 4921475, 3331230

    AUTOMANN USA

    $173.99
    Cummins ISX, QSX15 Engine Oil Temp Sensor- 4 PinProtecting your Cummins ISX and QSX15 engines from thermal stress begins with this high-quality Oil Temp Sensor, engineered to replace 4921475 and...
    29-07100056
    SKU:
    29-07100056
    Length Options:
    3 1/4 Inch
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $173.99
    Qty in Cart: 0
    Price:
    $173.99
    Subtotal:
  • Turbo Boost Manifold Sensor For Detroit Diesel Series 60 Engine Replaces 23522322

    Turbo Boost Manifold Sensor For Detroit Diesel Series 60 Engine Replaces 23522322

    AFTERMARKET

    $93.99
    Detroit Diesel Series 60 Turbo Boost Manifold Sensor- 3 PinKeep your Detroit Diesel Series 60 engine performing at its best with this high-quality Turbo Boost Manifold Sensor. Engineered for...
    29-07100033
    SKU:
    29-07100033
    Product Type:
    Engine Parts
    Style Options:
    Detroit
    Make:
    Universal Items
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • Rear Differential Breather Kit Replaces 2719507162, ZPB0507162, 507162, 513538, ETN507162, SP507162, 3947334

    Rear Differential Breather Kit Replaces 2719507162, ZPB0507162, 507162, 513538, ETN507162, SP507162, 3947334

    AUTOMANN USA

    $20.35
    Rear Differential Breather KitKeep your rear differential operating at peak efficiency with this high-quality Rear Differential Breather Kit. It comes complete with an axle vent and durable steel,...
    29-05210003
    SKU:
    29-05210003
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $20.35
    Qty in Cart: 0
    Price:
    $20.35
    Subtotal:
  • Coolant Temp Sensor Replaces 23514708 For Detroit Diesel Series 60 Engine

    Coolant Temp Sensor Replaces 23514708 For Detroit Diesel Series 60 Engine

    AUTOMANN USA

    $36.37
    Detroit Diesel Series 60 Engine Coolant Temp Sensor- 2 PinThe key to protecting your Detroit Diesel Series 60 engine from overheating lies in dependable monitoring, and this replacement Coolant Temp...
    29-07100052
    SKU:
    29-07100052
    Length Options:
    2 1/4 Inch
    Product Type:
    Engine Parts
    Style Options:
    Detroit
    Make:
    Universal Items
    $36.37
    Qty in Cart: 0
    Price:
    $36.37
    Subtotal:
  • Engine Fuel Filter Kit For Detroit Diesel DD13, DD15 & DD16 Engine Replaces A4720900451, FK13834

    Engine Fuel Filter Kit For Detroit Diesel DD13, DD15 & DD16 Engine Replaces A4720900451, FK13834

    AFTERMARKET

    $92.99
    Engine Fuel Filter Kit For Detroit Diesel DD13, DD15 & DD16 EngineWhen your Detroit Diesel engine requires superior fuel filtration, this Engine Fuel Filter Kit stands out as a reliable replacement...
    29-07030000
    SKU:
    29-07030000
    Style Options:
    Detroit
    Length Options:
    10 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $92.99
    Qty in Cart: 0
    Price:
    $92.99
    Subtotal:
  • 4 X 6.25 Inch Gray Poly CAC Connector Hose Replaces D506040, D50-6040

    4 X 6.25 Inch Gray Poly CAC Connector Hose Replaces D506040, D50-6040

    AFTERMARKET

    $116.99
    4 X 6.25 Inch Hot Side CAC Connector HoseEngineered to withstand demanding hot-side requirements, this 4 x 6.25 Inch Gray Poly CAC Connector Hose is an ideal replacement. Made with EPDM silicone and...
    29-07020008
    SKU:
    29-07020008
    Diameter Options:
    4 Inch
    Style Options:
    Paccar
    Material Options:
    Silicone
    Length Options:
    6 1/4 Inch
    Color:
    Gray
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $116.99
    Qty in Cart: 0
    Price:
    $116.99
    Subtotal:
  • Engine Fuel Filter Cap Replaces A4720920008. DDEA4720920008 For Detroit Diesel DD15 Engine

    Engine Fuel Filter Cap Replaces A4720920008. DDEA4720920008 For Detroit Diesel DD15 Engine

    AUTOMANN USA

    $37.09
    2.16 Inch Detroit Diesel DD15 Engine Fuel Filter CapUpgrade your fuel system with this premium Engine Fuel Filter Cap for Detroit Diesel DD15 engines, designed to replace A4720920008 and...
    29-06010001
    SKU:
    29-06010001
    Width Options:
    1 3/4 Inch
    Product Type:
    Fuel Tanks
    Diameter Options:
    2 Inch
    Style Options:
    Detroit
    Make:
    Universal Items
    $37.09
    Qty in Cart: 0
    Price:
    $37.09
    Subtotal:
  • Steering Gear Kit Replaces 2500270C91, 2502009C91, 2585853C91, 2586317C91, 2592441C91, 85114034, 5543551, 5542261, 5545611, 5544861

    Steering Gear Kit Replaces 2500270C91, 2502009C91, 2585853C91, 2586317C91, 2592441C91, 85114034, 5543551, 5542261, 5545611, 5544861

    AFTERMARKET

    $197.99
    Steering Gear Input Seal KitThis Steering Gear Kit is engineered to deliver reliable performance for Sheppard M80, M90, M100, and M110 input shafts. The kit includes high-quality input seals that...
    29-05090052
    SKU:
    29-05090052
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $197.99
    Qty in Cart: 0
    Price:
    $197.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Pina Colada Air Freshener- 8 Oz

    Pina Colada Air Freshener- 8 Oz

    AFTERMARKET

    Now: $5.31
    Was: $7.59
    Pina Colada Air FreshenerEnjoy the sweet, tropical aroma of the Pina Colada Air Freshener, crafted to enhance your driving or working environment. This high-quality air freshener comes in an...
    09-17070085
    SKU:
    09-17070085
    Product Type:
    Polishing
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $5.31
    Was: $7.59
    Qty in Cart: 0
    Price:
    Now: $5.31
    Was: $7.59
    Subtotal:
  • TPHD 54 X 15/16 Inch Wood Handle W/ Nylon Tip

    TPHD 54 X 15/16 Inch Wood Handle W/ Nylon Tip

    TPHD

    $9.84
    54 Inch Wood Handle W/ Nylon Tip By TPHDChoose a tool handle that works as hard as you do with the TPHD 54 x 15/16 Inch Wood Handle with Nylon Tip. Made from high-quality wood, it stands strong...
    09-170400026
    SKU:
    09-170400026
    Material Options:
    Wood
    Diameter Options:
    1 Inch
    Product Type:
    Polishing
    Length Options:
    54 Inch
    Make:
    Universal Items
    $9.84
    Qty in Cart: 0
    Price:
    $9.84
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    TPHD 8 Inch Yellow All Purpose Wash Bush

    TPHD 8 Inch Yellow All Purpose Wash Bush

    TPHD

    Now: $10.42
    Was: $14.89
    8 Inch All Purpose Wash Bush- Yellow By TPHDA clean truck starts with the right tools, and the TPHD 8 Inch Yellow All Purpose Wash Brush is engineered to get the job done right. Featuring...
    09-170400021
    SKU:
    09-170400021
    Product Type:
    Polishing
    Color:
    Yellow
    Shape Options:
    Rectangular
    Length Options:
    8 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $10.42
    Was: $14.89
    Qty in Cart: 0
    Price:
    Now: $10.42
    Was: $14.89
    Subtotal:
  • TPHD 4 X 16 Inch Shoe Handle Scratch Brush

    TPHD 4 X 16 Inch Shoe Handle Scratch Brush

    TPHD

    $5.84
    4 X 16 Inch Shoe Handle Scratch Brush W/ Steel Bristles By TPHDThe TPHD 4 x 16 Inch Shoe Handle Scratch Brush is the perfect companion for heavy-duty cleaning and surface prep. Its steel bristles are...
    09-170400029
    SKU:
    09-170400029
    Width Options:
    1 1/16 Inch
    Length Options:
    10 Inch
    Product Type:
    Polishing
    Make:
    Universal Items
    $5.84
    Qty in Cart: 0
    Price:
    $5.84
    Subtotal:
  • Renegade Forged Aluminum Polishing Mini Kit

    Renegade Forged Aluminum Polishing Mini Kit

    AFTERMARKET

    $112.99
    Aluminum Polishing Mini KitThe Renegade Forged Aluminum Polishing Mini Kit is your all-in-one solution for achieving brilliant, long-lasting aluminum finishes. Featuring three 8-inch buffing wheels,...
    09-1706110
    SKU:
    09-1706110
    Product Type:
    Polishing
    Make:
    Universal Items
    $112.99
    Qty in Cart: 0
    Price:
    $112.99
    Subtotal:
  • Stainless Steel Straight Down Light Bracket With Watermelon Light Hole- Pair

    Stainless Steel Straight Down Light Bracket With Watermelon Light Hole- Pair

    JML KUSTOMS

    $142.99
    Straight Down Light Bracket With Watermelon Light HoleImprove your truck's turn signal visibility with this Stainless Steel Straight Down Light Bracket, designed for single-face watermelon lights...
    09-1610133
    SKU:
    09-1610133
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Style Options:
    Straight Drop
    Product Type:
    Exterior
    Make:
    Universal Items
    $142.99
    Qty in Cart: 0
    Price:
    $142.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    TPHD 4.5 Inch Blue Round Long Trim Wash Brush

    TPHD 4.5 Inch Blue Round Long Trim Wash Brush

    TPHD

    Now: $10.63
    Was: $15.18
    4.5 Inch Round Long Trim Wash Brush- Blue By TPHDEnhance your detailing setup with the TPHD 4.5 Inch Blue Round Long Trim Wash Brush, built for accuracy and long-lasting use. With its high-quality...
    09-170400022
    SKU:
    09-170400022
    Product Type:
    Polishing
    Color:
    Blue
    Shape Options:
    Round
    Diameter Options:
    4 1/2 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $10.63
    Was: $15.18
    Qty in Cart: 0
    Price:
    Now: $10.63
    Was: $15.18
    Subtotal:
  • Total: items /

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.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!