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Mack Trucks

Shop Mack truck parts and accessories for popular models like the Superliner, R, RD, CX, or CH/CHN/CHU.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 18 Inch Chrome Round Bell Horn W/ Pedestal & Gaskets

    18 Inch Chrome Round Bell Horn W/ Pedestal & Gaskets

    OPP - ORIGINAL PARTS PROGRAM

    $327.99
    18 Inch Chrome Round Bell HornUpgrade your truck's sound system with this 18 Inch Chrome Round Bell Horn, built for truckers who demand loud, reliable, and professional-grade performance. Featuring a...
    09-051300126
    SKU:
    09-051300126
    Product Type:
    Frame & Chassis
    Diameter Options:
    6 Inch
    Length Options:
    18 Inch
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Material Options:
    Steel
    $327.99
    Qty in Cart: 0
    Price:
    $327.99
    Subtotal:
  • 28.25 Inch Chrome Plastic Air Horn- 115 DB Output

    28.25 Inch Chrome Plastic Air Horn- 115 DB Output

    AUTOMANN USA

    $87.99
    28.25 Inch Chrome Plastic Air HornCommand attention on the highway with the 28.25 Inch Chrome Plastic Air Horn, designed to produce a robust 115 DB sound that enhances safety for truck drivers. Its...
    09-051300125
    SKU:
    09-051300125
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Diameter Options:
    6 Inch
    Length Options:
    28 Inch
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $87.99
    Qty in Cart: 0
    Price:
    $87.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Brunner Stainless Steel Upper Light Bar W/ 5 Red 2 Inch Marker Lights, 2 Clear 4 Inch Flood Lights & 6 Red 4 Inch S/T/T Lights

    Brunner Stainless Steel Upper Light Bar W/ 5 Red 2 Inch Marker Lights, 2 Clear 4 Inch Flood Lights & 6 Red 4 Inch S/T/T Lights

    BRUNNER FABRICATION

    Now: $1,448.29
    Was: $2,068.99
    Stainless Steel Upper Light Bar W/ 5 Red 2 Inch Marker Lights, 2 Clear 4 Inch Flood Lights & 6 Red 4 Inch S/T/T LightsKeep your truck safe and highly visible with the Brunner Stainless Steel Upper...
    09-02100011
    SKU:
    09-02100011
    Product Type:
    Cargo Control
    Material Options:
    Stainless Steel
    Light Options:
    With Lights
    Color:
    Red/Clear
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $1,448.29
    Was: $2,068.99
    Qty in Cart: 0
    Price:
    Now: $1,448.29
    Was: $2,068.99
    Subtotal:
  • 3.5 X 48 Inch Stainless Steel Channel W/ 5 Supernova Light Holes

    3.5 X 48 Inch Stainless Steel Channel W/ 5 Supernova Light Holes

    ROADWORKS

    $65.99
    3.5 X 48 Inch Channel W/ 5 Supernova Light HolesBring both durability and style to your truck with this 3.5 x 48 Inch Stainless Steel Channel with 5 Supernova light holes. Constructed from...
    09-010600155
    SKU:
    09-010600155
    Light Options:
    Without Lights
    Location:
    Made In USA
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Length Options:
    48 Inch
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • 76 Inch Stainless Steel Light Bar W/ 6 4-Inch Light Holes & 3 2-Inch Light Holes

    76 Inch Stainless Steel Light Bar W/ 6 4-Inch Light Holes & 3 2-Inch Light Holes

    ICONIC

    $499.99
    76 Inch Light Bar W/ 6 4-Inch Light Holes & 3 2-Inch Light Holes For Flat RackBoost both safety and style with the 76 Inch Stainless Steel Light Bar. Designed for 76-inch flat racks, it includes six...
    09-0210013
    SKU:
    09-0210013
    Product Type:
    Cargo Control
    Length Options:
    76 Inch
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Make:
    Universal Items
    $499.99
    Qty in Cart: 0
    Price:
    $499.99
    Subtotal:
  • 8 Inch Stainless Steel Rear Center Panel W/ 5 Round 4-Inch Light Holes

    8 Inch Stainless Steel Rear Center Panel W/ 5 Round 4-Inch Light Holes

    ROADWORKS

    $203.99
    8 Inch 304 Stainless Steel Rear Center Panel W/ 5 Round 4-Inch Light HolesImprove your truck's rear performance and style with this 8 Inch Stainless Steel Rear Center Panel. Featuring five round...
    09-01110109
    SKU:
    09-01110109
    Light Options:
    Without Lights
    Product Type:
    Bumpers
    Location:
    Made In USA
    Height Options:
    8 Inch
    Position:
    Center
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $203.99
    Qty in Cart: 0
    Price:
    $203.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Spring Loaded Hinge Cargo Bar Holder

    Spring Loaded Hinge Cargo Bar Holder

    AUTOMANN USA

    Now: $53.19
    Was: $75.99
    Cargo Bar Holder With Rubber InsertsSecure and organize your truck's cargo efficiently with this Spring Loaded Hinge Cargo Bar Holder. Built with a durable hinged design and equipped with rubber...
    09-020200092
    SKU:
    09-020200092
    Material Options:
    Plastic/Poly
    Product Type:
    Cargo Control
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $53.19
    Was: $75.99
    Qty in Cart: 0
    Price:
    Now: $53.19
    Was: $75.99
    Subtotal:
  • Stainless Steel Front Air Cleaner Light Panel W/ 6 Amber Watermelon Lights For Peterbilt 589

    Stainless Steel Front Air Cleaner Light Panel W/ 6 Amber Watermelon Lights For Peterbilt 589

    VALLEY CHROME PLATING

    $184.99
    Front Air Cleaner Light Panel W/ 6 Amber Watermelon Lights Fits Peterbilt 589Improve visibility and style on your Peterbilt 589 with these Stainless Steel Front Air Cleaner Light Panels, featuring...
    01-09051149
    SKU:
    01-09051149
    Product Type:
    Exterior
    Style Options:
    Watermelon
    Light Options:
    With Lights
    Location:
    Made In USA
    Color:
    Amber
    Material Options:
    Stainless Steel
    Size Options:
    18 Gauge
    Make:
    Universal Items
    $184.99
    Qty in Cart: 0
    Price:
    $184.99
    Subtotal:
  • Stainless Steel Eaton Fuller 10 Speed Overdrive Shift Pattern

    Stainless Steel Eaton Fuller 10 Speed Overdrive Shift Pattern

    ROCKWOOD

    $20.01
    304 Stainless Steel Eaton Fuller 10 Speed Overdrive Shift Pattern* High Quality Shift Pattern* For Eaton Fuller 10 Speed Overdrive (RTO)* 304 Stainless Steel* Sold Individually* Warranty On Shift...
    U20401
    SKU:
    U20401
    Material Options:
    Stainless Steel
    Product Type:
    Interior
    Make:
    Universal Items
    $20.01
    Qty in Cart: 0
    Price:
    $20.01
    Subtotal:
  • Electric Fan Shroud For Rigmaster Generator

    Electric Fan Shroud For Rigmaster Generator

    RIGMASTER

    $168.99
    Electric Fan Shroud* High Quality Electric Fan Shroud* For Rigmaster Generator* Sold Individually* Warranty On Electric Fan Shrouds Against Defects In Workmanship & Material From Date Of Purchase***...
    RP1000143
    SKU:
    RP1000143
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $168.99
    Qty in Cart: 0
    Price:
    $168.99
    Subtotal:
  • Radiator Mount Bushing For Rigmaster Generator

    Radiator Mount Bushing For Rigmaster Generator

    RIGMASTER

    $2.03
    Radiator Mount Bushing* High Quality Radiator Mount Bushing* For Rigmaster Generator* Sold Individually* Warranty On Radiator Mount Bushings Against Defects In Workmanship & Material From Date Of...
    RP12048
    SKU:
    RP12048
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $2.03
    Qty in Cart: 0
    Price:
    $2.03
    Subtotal:
  • Stainless Steel Eaton Fuller 15 Speed Overdrive Shift Pattern

    Stainless Steel Eaton Fuller 15 Speed Overdrive Shift Pattern

    ROCKWOOD

    $20.19
    304 Stainless Steel Eaton Fuller 15 Speed Overdrive Shift Pattern* High Quality Shift Pattern* For Eaton Fuller 15 Speed Overdrive (RTO)* 304 Stainless Steel* Sold Individually* Warranty On Shift...
    R20467
    SKU:
    R20467
    Material Options:
    Stainless Steel
    Product Type:
    Interior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $20.19
    Qty in Cart: 0
    Price:
    $20.19
    Subtotal:
  • Generator Cover For Rigmaster Generator

    Generator Cover For Rigmaster Generator

    RIGMASTER

    $174.99
    Generator Cover* High Quality Generator Cover* For Rigmaster Generator* Sold Individually* Warranty On Generator Covers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    RP1000131
    SKU:
    RP1000131
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $174.99
    Qty in Cart: 0
    Price:
    $174.99
    Subtotal:
  • Tail Light Lens- Red For ST60 Series Lights

    Tail Light Lens- Red For ST60 Series Lights

    OPTRONICS

    $3.13
    Replacement Red Tail Light Lens* High Quality Lens* Replacement Tail Light Lens* For ST60 Series* Oblong Shape* Acrylic* Red* 6.5 Inch Wide* 5.5 Inch Height* 0.12 Inch Depth* Screw-On* Sold...
    PLA60RB
    SKU:
    PLA60RB
    Product Type:
    Lighting
    Color:
    Red
    Length Options:
    5 1/2 Inch
    Width Options:
    6 1/2 Inch
    Make:
    Universal Items
    Material Options:
    Acrylic
    $3.13
    Qty in Cart: 0
    Price:
    $3.13
    Subtotal:
  • Rectangular Red/ Clear Stop, Turn, Tail Light

    Rectangular Red/ Clear Stop, Turn, Tail Light

    OPTRONICS

    $37.93
    Rectangular Red/ Clear Stop, Turn, Tail Light- Grommet Mount* High Quality Stop/Turn/Tail Light* Rectangular* Clear Lens With Red Tinted Reflectors* Pl-3 Connection* 12-24 Volt* Grommet Mount*...
    PLSTL35CCR1224B
    SKU:
    PLSTL35CCR1224B
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Make:
    Universal Items
    Style Options:
    LED
    Shape Options:
    Rectangular
    Height Options:
    3 1/2 Inch
    Width Options:
    5 1/4 Inch
    Color:
    Red/Clear
    Type Options:
    Grommet Mount
    $37.93
    Qty in Cart: 0
    Price:
    $37.93
    Subtotal:
  • On Sale
    20 Inch Stainless Steel Set Forward Axle Bumper W/ Hitch & Mounting Holes For Mack CHN613 & CHU613

    20 Inch Stainless Steel Set Forward Axle Bumper W/ Hitch & Mounting Holes For Mack CHN613 & CHU613

    VALLEY CHROME PLATING

    Now: $1,409.29
    Was: $1,657.99
    Valley Chrome 20 Inch Set Forward Axle Bumper W/ Hitch & Mounting Holes* High Quality Bumper* Set Forward Axle* Mounting Holes* Stainless Steel* 20 Inch Height* Made In USA* Sold Individually*...
    GX001035S
    SKU:
    GX001035S
    Height Options:
    20 Inch
    Style Options:
    Set Forward Axle
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Mack
    Now: $1,409.29
    Was: $1,657.99
    Qty in Cart: 0
    Price:
    Now: $1,409.29
    Was: $1,657.99
    Subtotal:
  • 5 X 48 Inch Stainless Steel Flex Hose By BESTfit

    5 X 48 Inch Stainless Steel Flex Hose By BESTfit

    BESTFIT TRUCK PARTS

    $149.99
    BESTfit 304 Stainless Steel 5 X 48 Inch Flex Hose* High Quality Flex Hose* Sf Series - Non Magnetic* Interlocked Profile* 304 Stainless Steel* 48 Inch Length* 5 Inch Diameter* Sold Individually*...
    GR-SF-548
    SKU:
    GR-SF-548
    Material Options:
    Stainless Steel
    Diameter Options:
    5 Inch
    Product Type:
    Exhaust
    Make:
    Universal Items
    $149.99
    Qty in Cart: 0
    Price:
    $149.99
    Subtotal:
  • 7-5 X 54 Inch Chrome Curve Turn Exhaust Stack By BESTfit

    7-5 X 54 Inch Chrome Curve Turn Exhaust Stack By BESTfit

    BESTFIT TRUCK PARTS

    $717.99
    BESTfit Chrome 7-5 X 54 Inch Curve Turn Exhaust Stack* High Quality Exhaust Stack* Curved Top Style* Ceramic Lined To Help Prevent Chrome DISColoration* Chrome Plated Finish* 54 Inch Height* 7 Inch...
    GR-SK7-54SBC-L5CL
    SKU:
    GR-SK7-54SBC-L5CL
    Height Options:
    54 Inch
    Style Options:
    Paccar
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Make:
    Universal Items
    Diameter Options:
    7 To 5 Inch
    $717.99
    Qty in Cart: 0
    Price:
    $717.99
    Subtotal:
  • 16 Inch Chrome Open End Break Back Bumper W/ 6 Oval Light Holes For Mack MR & MD Model

    16 Inch Chrome Open End Break Back Bumper W/ 6 Oval Light Holes For Mack MR & MD Model

    VALLEY CHROME PLATING

    $914.99
    Valley Chrome 16 Inch Open End Break Back Bumper W/ 6 Oval Light Holes* High Quality Bumper* Open End Style* With 7 Inch Break Back* (6) Oval Light Holes (Lights Not Included)* Chrome* 16 Inch Width*...
    GP001013006
    SKU:
    GP001013006
    Light Options:
    Without Lights
    Finish Options:
    Chrome-Plated
    Height Options:
    16 Inch
    Material Options:
    Steel
    Product Type:
    Bumpers
    Location:
    Made In USA
    Make:
    Mack
    Style Options:
    Open End
    $914.99
    Qty in Cart: 0
    Price:
    $914.99
    Subtotal:
  • 7 X 96 Inch Chrome Miter Exhaust Stack By BESTfit

    7 X 96 Inch Chrome Miter Exhaust Stack By BESTfit

    BESTFIT TRUCK PARTS

    $877.99
    BESTfit Chrome 7 X 96 Inch Miter Exhaust Stack* High Quality Exhaust Stack* Miter Top Style* Chrome Plated Finish* 96 Inch Height* 7 Inch Inner Diameter* Sold Individually* Warranty On Exhaust Stacks...
    GR-P7-96SBC
    SKU:
    GR-P7-96SBC
    Diameter Options:
    7 Inch
    Height Options:
    96 Inch
    Product Type:
    Exhaust
    Finish Options:
    Chrome-Plated
    Style Options:
    Miter Cut
    Make:
    Universal Items
    Material Options:
    Steel
    $877.99
    Qty in Cart: 0
    Price:
    $877.99
    Subtotal:
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Mack Semi Truck Parts and Accessories

Keeping your Mack on the road means having access to the right parts—fast. At 4 State Trucks, we carry a full line of aftermarket Mack truck parts and accessories to help you stay ahead of maintenance, minimize downtime, and keep your business rolling. Whether you’re running a Mack Superliner or a classic Mack R Model, we’ve got the semi truck parts that get the job done.

High-Quality Parts for Every Mack Truck Model

Whether you're replacing worn parts or upgrading your rig’s performance, we carry commercial truck parts for a wide range of Mack models. From the rugged Superliner to the workhorse R Model, our inventory includes everything from exterior body panels to cab accessories and under-hood components. This Mack collection is built to meet the same heavy-duty standards your truck was designed for. If you're looking for reliable truck parts online, you've come to the right place.

Best Features

When you invest in semi truck parts, you need gear that’s built for durability and efficiency. Our aftermarket Mack parts are engineered to hold up under pressure and deliver the performance your business depends on. Top features include:
  • Diesel-compatible components designed for fuel efficiency and power.
  • Tough, road-ready construction for maximum durability.
  • Easy-to-install parts for both urban and off-road applications.
  • Support for a wide range of configurations and payload needs.
  • A huge variety of truck parts and accessories to match your rig’s specs.
  • Whether you’re tackling local hauls or cross-country jobs, these parts are built to take the abuse and keep on running.

    Shop Commercial Truck Parts Online with 4 State Trucks

    From longtime Mack drivers to growing fleets, truckers across the country count on 4 State Trucks for dependable online truck parts and expert service. Whether you’re keeping an old R Model alive or upgrading your Superliner with modern components, we’re here to help with quality you can trust.

    Frequently Asked Questions About Mack Truck Parts

    Will these aftermarket parts fit my specific Mack truck model and year?

    Our Mack truck parts are designed to fit most common models including the Anthem, Pinnacle, Granite, and older CH, CL, and Vision series. However, compatibility can vary by year and specific configuration. We recommend checking the product description for model years listed, or contact our support team with your OEM number for exact fitment verification. Many parts fit multiple years (for example, 2008-2017 Pinnacle models often share components), but critical items like bumpers and hoods may have year-specific variations.

    What's the difference between chrome, stainless steel, and painted finishes for bumpers and exterior parts?

    Chrome-plated steel bumpers offer the classic mirror finish but require regular polishing and can eventually show pitting or rust if the chrome layer is damaged. Stainless steel parts cost more initially but resist corrosion better and maintain their appearance with less maintenance - just periodic cleaning with stainless polish. Painted finishes are the most economical option and can be color-matched to your truck, but may need touch-ups after stone chips or scratches. For harsh winter conditions with road salt, stainless steel typically provides the best long-term value.

    Can I install these parts myself, or do I need a professional shop?

    Many exterior parts like mirror covers, mud flaps, and grille inserts can be installed with basic tools in 30-60 minutes. However, bumpers, hoods, and fenders typically require two people, proper lifting equipment, and alignment expertise. Bumper installations often need bracket adjustments and may require drilling new mounting holes. We provide installation instructions when available, but for major components, we recommend professional installation to ensure proper fit and maintain warranty coverage. Labor typically runs 2-4 hours for bumper swaps at most truck shops.

    Are aftermarket parts as durable as OEM Mack parts?

    Quality varies significantly among aftermarket manufacturers. Our premium aftermarket partners use similar gauge steel and manufacturing processes as OEM parts, often at 30-50% less cost. Look for parts with specified steel thickness (16-gauge or thicker for bumpers), proper drainage holes to prevent rust, and reinforced mounting points. While OEM parts guarantee exact fit, many of our aftermarket options meet or exceed OEM durability standards. Check product reviews and warranty terms - reputable aftermarket parts typically include 1-3 year warranties against defects.

    What should I know about DEF tank covers, battery box covers, and other specific Mack components?

    These truck-specific parts often have unique mounting systems that changed across model years. DEF tank covers for 2011-2015 Mack trucks use different brackets than 2016+ models. Battery box dimensions vary between daycab and sleeper configurations. When ordering electrical components like headlights or marker lights, verify voltage requirements (12V vs 24V systems). For air intake components, confirm whether you have a vertical or horizontal air cleaner setup. Including your OEM or calling with your truck's specifics helps ensure you receive the correct variation.


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