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Freightliner Cascadia 113/125 Exterior Parts

Upgrade your Cascadia 113/125 with premium exterior accessories that can enhance fuel economy and boost visibility. Find side skirts, roof fairings, and more.
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  • Smooth Aluminum Big Mouth Step Box W/ Smooth Stainless Steel Lid- 24 X 24 X 29.13 Inch

    Smooth Aluminum Big Mouth Step Box W/ Smooth Stainless Steel Lid- 24 X 24 X 29.13 Inch

    ICONIC

    $1,364.99
    24 X 24 X 29.13 Inch Smooth Aluminum Big Mouth Step Box W/ Smooth LidMaximize cab access and storage with the Smooth Aluminum Big Mouth Step Box, featuring a smooth stainless steel lid and Big Mouth...
    09-020100855
    SKU:
    09-020100855
    Length Options:
    24 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Width Options:
    29 Inch
    Make:
    Universal Items
    $1,364.99
    Qty in Cart: 0
    Price:
    $1,364.99
    Subtotal:
  • TPHD 120 Inch Stainless Steel 4 Rib Full Tandem Fender

    TPHD 120 Inch Stainless Steel 4 Rib Full Tandem Fender

    TPHD

    $745.99
    120 Inch Full Tandem Fender By TPHDDesigned for strength, style, and long-term reliability, the TPHD 120 Inch Stainless Steel 4 Rib Full Tandem Fender provides superior tandem wheel protection and...
    09-11030385
    SKU:
    09-11030385
    Length Options:
    120 Inch
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Make:
    Universal Items
    $745.99
    Qty in Cart: 0
    Price:
    $745.99
    Subtotal:
  • Smooth Aluminum Big Mouth Step Box W/ Smooth Lid- 36 X 24 X 29.13 Inch

    Smooth Aluminum Big Mouth Step Box W/ Smooth Lid- 36 X 24 X 29.13 Inch

    ICONIC

    $1,049.99
    36 X 24 X 29.13 Inch Smooth Aluminum Big Mouth Step Box W/ Smooth LidImprove organization and cab access with the Smooth Aluminum Big Mouth Step Box featuring a smooth lid and 36 x 24 x 29.13-inch...
    09-020100554
    SKU:
    09-020100554
    Length Options:
    36 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Height Options:
    29 Inch
    Product Type:
    Toolboxes
    Width Options:
    24 Inch
    Make:
    Universal Items
    $1,049.99
    Qty in Cart: 0
    Price:
    $1,049.99
    Subtotal:
  • TPHD 120 Inch Aluminum 3 Rib Full Tandem Fender W/ 2 Inch Flange

    TPHD 120 Inch Aluminum 3 Rib Full Tandem Fender W/ 2 Inch Flange

    TPHD

    $296.99
    120 Inch Full Tandem Fender W/ 2 Inch Flange By TPHDSafeguard your tandem axles with the TPHD 120 Inch Aluminum 3 Rib Full Tandem Fender with 2 Inch Flange, engineered for truckers who demand...
    09-11010316
    SKU:
    09-11010316
    Style Options:
    Flanged
    Length Options:
    120 Inch
    Material Options:
    Aluminum
    Product Type:
    Exterior
    Make:
    Universal Items
    $296.99
    Qty in Cart: 0
    Price:
    $296.99
    Subtotal:
  • 30 Inch Stainless Steel Grab Handle

    30 Inch Stainless Steel Grab Handle

    ICONIC

    $119.99
    30 Inch Grab HandleImprove cab access with confidence using this 30 Inch Stainless Steel Grab Handle, built to deliver strength and stability in demanding environments. Made from high-quality...
    09-0210012
    SKU:
    09-0210012
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Height Options:
    30 Inch
    Make:
    Universal Items
    $119.99
    Qty in Cart: 0
    Price:
    $119.99
    Subtotal:
  • Minimizer Underbody Tool Box Bracket Kit- 16.8 X 18 Inch For 18 Inch Underbody Tool Box

    Minimizer Underbody Tool Box Bracket Kit- 16.8 X 18 Inch For 18 Inch Underbody Tool Box

    MINIMIZER

    $248.99
    16.8 X 18 Inch Underbody Tool Box Bracket KitSecure your truck's underbody storage with the Minimizer 16.8 x 18 Inch Tool Box Bracket Kit, designed to hold an 18-inch tool box safely and securely...
    09-020100856
    SKU:
    09-020100856
    Position:
    Kit Full
    Height Options:
    17 Inch
    Product Type:
    Toolboxes
    Width Options:
    18 Inch
    Make:
    Universal Items
    $248.99
    Qty in Cart: 0
    Price:
    $248.99
    Subtotal:
  • Smooth Aluminum Underbody Tool Box W/ Dual Inset Barn Door & Stainless Steel T-Handles- 72 X 24 X 24 Inch

    Smooth Aluminum Underbody Tool Box W/ Dual Inset Barn Door & Stainless Steel T-Handles- 72 X 24 X 24 Inch

    ICONIC

    $1,199.99
    72 X 24 X 24 Inch Smooth Aluminum Underbody Tool Box W/ Dual Inset Barn Door & Stainless Steel T-HandlesBuilt to withstand the grind of daily use, this underbody tool box offers reliable storage...
    09-020100622
    SKU:
    09-020100622
    Width Options:
    24 Inch
    Finish Options:
    Smooth
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Length Options:
    72 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $1,199.99
    Qty in Cart: 0
    Price:
    $1,199.99
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  • Smooth Aluminum Boot Box W/ Single Drop Down Lid & Stainless Steel T-Handle- 22 X 18 X 22 Inch

    Smooth Aluminum Boot Box W/ Single Drop Down Lid & Stainless Steel T-Handle- 22 X 18 X 22 Inch

    ICONIC

    $749.99
    22 X 18 X 22 Inch Aluminum Boot Box W/ Single Drop Down Lid & T-HandleBuilt for truck owners who demand quality, the 22 x 18 x 22 Inch Smooth Aluminum Boot Box features a single drop-down lid with...
    09-0201152
    SKU:
    09-0201152
    Length Options:
    22 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    18 Inch
    Width Options:
    22 Inch
    Make:
    Universal Items
    $749.99
    Qty in Cart: 0
    Price:
    $749.99
    Subtotal:
  • Smooth Aluminum Tool Box W/ Aluminum Roll-Up Door & Stainless Steel Grab Bar- 72 X 30 X 24 Inch

    Smooth Aluminum Tool Box W/ Aluminum Roll-Up Door & Stainless Steel Grab Bar- 72 X 30 X 24 Inch

    ICONIC

    $2,394.99
    72 X 30 X 24 Inch Aluminum Tool Box W/ Roll-Up Door & Grab BarKeep your tools organized and secure with the 72 x 30 x 24 Inch Smooth Aluminum Tool Box, designed with an anodized aluminum roll-up door...
    09-0201151
    SKU:
    09-0201151
    Finish Options:
    Smooth
    Height Options:
    30 Inch
    Product Type:
    Toolboxes
    Width Options:
    72 Inch
    Length Options:
    24 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,394.99
    Qty in Cart: 0
    Price:
    $2,394.99
    Subtotal:
  • Smooth Aluminum Underbody Tool Box W/ Dual Barn Doors- 72 X 36 X 36 Inch

    Smooth Aluminum Underbody Tool Box W/ Dual Barn Doors- 72 X 36 X 36 Inch

    ICONIC

    $2,014.99
    72 X 36 X 36 Inch Smooth Aluminum Underbody Tool Box W/ Dual Barn DoorsTake your truck organization to the next level with this oversized 72-inch underbody tool box crafted from smooth marine-grade...
    09-020100850
    SKU:
    09-020100850
    Finish Options:
    Smooth
    Height Options:
    36 Inch
    Product Type:
    Toolboxes
    Width Options:
    36 Inch
    Length Options:
    72 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,014.99
    Qty in Cart: 0
    Price:
    $2,014.99
    Subtotal:
  • Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-Handle- 18 X 25.13 X 21 Inch

    Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-Handle- 18 X 25.13 X 21 Inch

    ICONIC

    $729.99
    18 X 25.13 X 21 Inch Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-HandleWhen durability meets smart design, you get the Smooth Aluminum Step Box with Lockable T-Handle and Smooth...
    09-020100625
    SKU:
    09-020100625
    Length Options:
    21 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    25 Inch
    Width Options:
    18 Inch
    Make:
    Universal Items
    $729.99
    Qty in Cart: 0
    Price:
    $729.99
    Subtotal:
  • Brunner Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover- Opens Passenger Side- 22 X 24 X 22 Inch

    Brunner Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover- Opens Passenger Side- 22 X 24 X 22 Inch

    BRUNNER FABRICATION

    $720.99
    22 X 24 X 22 Inch Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover By BrunnerBuilt to handle the rigors of the road, this Brunner smooth aluminum step box delivers...
    09-020100539
    SKU:
    09-020100539
    Position:
    Passenger Side
    Material Options:
    Aluminum
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Length Options:
    22 Inch
    Width Options:
    22 Inch
    Make:
    Universal Items
    $720.99
    Qty in Cart: 0
    Price:
    $720.99
    Subtotal:
  • Stainless Steel Turbo Wing Mounting Kit For Freightliner W/ 70 Inch Standard Integral Sleeper Cab

    Stainless Steel Turbo Wing Mounting Kit For Freightliner W/ 70 Inch Standard Integral Sleeper Cab

    VALLEY CHROME PLATING

    $710.99
    Valley Chrome Freightliner Turbo Wing Mounting KitInstall your turbo wing with confidence using the Stainless Steel Turbo Wing Mounting Kit for Freightliner 70 Inch Standard Integral Sleeper Cabs...
    03-10003
    SKU:
    03-10003
    Length Options:
    70 Inch
    Product Type:
    Exterior
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Position:
    Kit Full
    Make:
    Freightliner
    $710.99
    Qty in Cart: 0
    Price:
    $710.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Merritt 45.5 Inch Diamond Plate Aluminum Single Axle Fender

    Merritt 45.5 Inch Diamond Plate Aluminum Single Axle Fender

    MERRITT

    Now: $176.39
    Was: $251.99
    45.5 Inch Diamond Plate Aluminum Single Axle Fender By MerrittBuilt for truckers who demand the best, the Merritt 45.5 Inch Diamond Plate Aluminum Single Axle Fender provides unbeatable strength and...
    00070815C
    SKU:
    00070815C
    Finish Options:
    Diamond Plate
    Material Options:
    Aluminum
    Location:
    Made In USA
    Width Options:
    25 Inch
    Length Options:
    45 1/2 Inch
    Style Options:
    Single Axle
    Height Options:
    16 1/2 Inch
    Product Type:
    Exterior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $176.39
    Was: $251.99
    Qty in Cart: 0
    Price:
    Now: $176.39
    Was: $251.99
    Subtotal:
  • Stealth Black Steel Window Guard For Freightliner Cascadia

    Stealth Black Steel Window Guard For Freightliner Cascadia

    REALWHEELS

    $348.99
    Freightliner Cascadia Black Steel Window GuardUpgrade your Freightliner Cascadia with the Stealth Black Steel Window Guard, a premium solution for window protection and cab security. Constructed from...
    03-0931004
    SKU:
    03-0931004
    Product Type:
    Exterior
    Style Options:
    Louvered
    Material Options:
    Steel
    Color:
    Black
    Make:
    Freightliner
    $348.99
    Qty in Cart: 0
    Price:
    $348.99
    Subtotal:
  • 15 Inch Stainless Steel Regular Donald Air Cleaner W/ Brackets For Peterbilt

    15 Inch Stainless Steel Regular Donald Air Cleaner W/ Brackets For Peterbilt

    PHD CUSTOMS

    $804.99
    15 Inch Regular Donald Air Cleaner W/ Brackets Fits PeterbiltKeep your Peterbilt truck running at peak efficiency with the 15 Inch Stainless Steel Regular Donald Air Cleaner with Brackets...
    X15INPB
    SKU:
    X15INPB
    Height Options:
    15 Inch
    Light Options:
    Without Lights
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Style Options:
    Donaldson Style
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $804.99
    Qty in Cart: 0
    Price:
    $804.99
    Subtotal:
  • 15 Inch Stainless Steel Regular Donald Air Cleaner W/ Brackets For Kenworth

    15 Inch Stainless Steel Regular Donald Air Cleaner W/ Brackets For Kenworth

    PHD CUSTOMS

    $767.99
    15 Inch Regular Donald Air Cleaner W/ Brackets Fits KenworthEnsure your Kenworth truck breathes easier with the 15 Inch Stainless Steel Regular Donald Air Cleaner with Brackets. Crafted from...
    X15INKW
    SKU:
    X15INKW
    Height Options:
    15 Inch
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Style Options:
    Donaldson Style
    Product Type:
    Exterior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $767.99
    Qty in Cart: 0
    Price:
    $767.99
    Subtotal:
  • 15 Inch Stainless Steel Regular Donaldson Air Cleaner W/ Out Brackets

    15 Inch Stainless Steel Regular Donaldson Air Cleaner W/ Out Brackets

    PHD CUSTOMS

    $774.99
    15 Inch Regular Donaldson Air Cleaner W/ Out BracketsOptimize airflow and engine protection with this 15-Inch Stainless Steel Regular Donaldson Air Cleaner, perfect for heavy-duty diesel systems...
    29-09050063
    SKU:
    29-09050063
    Style Options:
    Donaldson Style
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Height Options:
    15 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $774.99
    Qty in Cart: 0
    Price:
    $774.99
    Subtotal:
  • Heavy Duty Heated Mirror Glass For Freightliner

    Heavy Duty Heated Mirror Glass For Freightliner

    DAYTON / DORMAN

    $57.99
    Heated Mirror Glass Replaces TL28531For drivers who rely on consistent visibility in every season, this heavy duty heated mirror glass for Freightliner trucks stands out as a trusted upgrade. Built...
    03-0915002
    SKU:
    03-0915002
    Type Options:
    Heated
    Material Options:
    Plastic/Poly
    Product Type:
    Exterior
    Make:
    Freightliner
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • Universal Dual Vision Replacement Mirror Glass

    Universal Dual Vision Replacement Mirror Glass

    AUTOMANN USA

    $24.28 - $31.49
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of TrucksFlat Mirror Glass For Dual Vision- Non- Heated Replaces 613497Replacement Flat Mirror Glass For Dual...
    PPR_299482
    SKU:
    PPR_299482
    Product Type:
    Exterior
    Style Options:
    Dual Vision
    Type Options:
    Heated
    Make:
    Universal Items
    $24.28 - $31.49
    Qty in Cart: 0
    Price:
    $24.28 - $31.49
    Subtotal:
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Adding your products to cart

Give your Freightliner Cascadia 113/125 a boost with our exterior upgrades! From tough bumpers and sleek grilles to durable mud flaps and eye-catching lights, our product line offers everything you need to enhance your truck's aesthetic appeal and boost its aerodynamic efficiency. If you need to add some chrome flair, improve aerodynamics, or keep your rig in top shape, this product lineup has you covered. Upgrade your Cascadia today!

Frequently Asked Questions About Freightliner Cascadia 113/125 Exterior Parts

Will these exterior parts fit my specific Cascadia model year?

Most exterior parts for the Cascadia 113/125 are designed to fit model years 2008-2017 (often called "Old Body Style" or OBS). The 2018+ models feature a completely redesigned exterior that requires different parts. Always verify your truck's exact model year and OEM before ordering, as some parts may have mid-year changes. If you're unsure, contact our support team with your OEM and we'll confirm compatibility.

What's the difference between OEM and aftermarket bumpers, and which should I choose?

OEM bumpers are manufactured to exact factory specifications using original materials, typically 16-gauge steel with factory mounting points. Aftermarket options often use 18-gauge steel but can offer better value and additional features like built-in fog light cutouts or chrome options not available from the factory. For daily drivers, quality aftermarket bumpers perform excellently. For severe-duty applications or exact factory restoration, OEM is recommended.

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

Many exterior parts like bug shields, mirror covers, and grille surrounds can be installed with basic tools in 30-60 minutes. Bumpers typically require 2-3 hours and a helper due to weight (80-120 lbs). You'll need standard metric sockets, possibly a drill for accessories, and alignment shims. Major components like hoods or fenders require professional installation to ensure proper alignment and safety.

How do chrome and stainless steel finishes hold up in different climates?

Stainless steel parts offer superior corrosion resistance in salt-heavy regions and require minimal maintenance beyond regular washing. Chrome-plated steel provides a mirror finish but needs more frequent cleaning and waxing, especially in coastal areas. In northern climates with road salt, expect chrome to show pitting after 2-3 winters without protective coating. Stainless typically lasts 5-7 years or more with proper care.

What are the most common fitment issues, and how can I avoid them?

The most reported issues involve bumpers not aligning with existing brackets (especially on trucks with previous collision damage), hood mirrors interfering with aftermarket visors, and grille surrounds conflicting with non-standard headlight assemblies. To avoid problems: measure your existing parts before ordering, check if your truck has any aftermarket modifications, and ensure all mounting brackets are straight and undamaged. Keep original hardware when possible, as aftermarket bolts may not match factory thread pitch.


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