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Freightliner Classic Frame & Chassis

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  • Quantity
  • Price
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  • FREE SHIPPING OVER $249
    10MM & 3/8 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    10MM & 3/8 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    LIFETIME NUT COVERS

    $1.42
    Chrome Plastic Top Hat Style Nut Cover With FlangeThis top hat Lifetime Nut Cover with a flange is specially designed to fit two different sizes of nuts. Turn the nut covers one way to fit a 3/8 inch...
    09-0506029
    SKU:
    09-0506029
    Location:
    Made In USA
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Size Options:
    10 mm
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $1.42
    Qty in Cart: 0
    Price:
    $1.42
    Subtotal:
  • FREE SHIPPING OVER $249
    14MM & 9/16 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    14MM & 9/16 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    LIFETIME NUT COVERS

    $1.42
    Top Hat Style Nut CoverNot only is having the nut covers to add some shine to your truck something to look for, but also the fitment of the nut covers. We proudly offer Lifetime Nut Covers made in...
    09-0506027
    SKU:
    09-0506027
    Location:
    Made In USA
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Size Options:
    14 mm
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    $1.42
    Qty in Cart: 0
    Price:
    $1.42
    Subtotal:
  • FREE SHIPPING OVER $249
    17MM & 11/16 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    17MM & 11/16 Inch Chrome Plastic Bolt Heads Top Hat Nut Cover W/ Flange

    LIFETIME NUT COVERS

    $2.03
    Top Hat Style Nut Cover With FlangeThis top hat Lifetime Nut Cover with a flange is specially designed to fit two different sizes of nuts. Turn the nut covers one way to fit a 11/16 inch bolt head or...
    09-0506025
    SKU:
    09-0506025
    Location:
    Made In USA
    Truck Class:
    Universal
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Size Options:
    17 mm
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $2.03
    Qty in Cart: 0
    Price:
    $2.03
    Subtotal:
  • Class 8 Aluminum Frame Steps 18 Inch

    Class 8 Aluminum Frame Steps 18 Inch

    BUYERS PRODUCTS

    $175.99
    Frame Steps With Grip Struts For Traction* High Quality Frame Steps* Aluminum* 18 Inch* Mounting Hardware Sold Separately* Grip Strut Provides Superior Traction Even In Inclement Weather* Corrosion...
    09-050500039
    SKU:
    09-050500039
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $175.99
    Qty in Cart: 0
    Price:
    $175.99
    Subtotal:
  • 20 x 18 x 36 Inch Aluminum Underbody Truck Box W/ Drawer

    20 x 18 x 36 Inch Aluminum Underbody Truck Box W/ Drawer

    BUYERS PRODUCTS

    $1,077.99
    Diamond Tread Underbody Truck Box W/ DrawerThe 36-inch Diamond Tread Aluminum Underbody Truck Box with Drawer is built to last, featuring durable corrosion-resistant aluminum. It includes adjustable...
    09-020100546
    SKU:
    09-020100546
    Truck Class:
    Universal
    Length Options:
    36 Inch
    Width Options:
    18 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Cargo Control
    $1,077.99
    Qty in Cart: 0
    Price:
    $1,077.99
    Subtotal:
  • Drag Link 29.44 Inch C To C - A14-12349-000, 680-460-04-05 For Freightliner Classic 120, XL, FLD120

    Drag Link 29.44 Inch C To C - A14-12349-000, 680-460-04-05 For Freightliner Classic 120, XL, FLD120

    DAYTON / DORMAN

    $209.99
    Replacement Steering Wheel Drag Link For Gear Box* High Quality Drag Link* Made In USA* Sold Individually* Warranty On Drag Links Against Defects In Workmanship & Material From Date Of Purchase***...
    03-0509002
    SKU:
    03-0509002
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Freightliner
    Product Type:
    Frame & Chassis
    $209.99
    Qty in Cart: 0
    Price:
    $209.99
    Subtotal:
  • Aluminum Replacement Modular Side Step Pad

    Aluminum Replacement Modular Side Step Pad

    GO RHINO

    $19.29
    Go Rhino SPD-3602 Dominator D2, D3, D4 Aluminum Medium Hoop Step Replacement* High Quality Hitch Step Pad* Brushed Aluminum Finish* Medium* 3 Inch* Made Of Aluminum* Sold Individually* Warranty On...
    SPD-3602
    SKU:
    SPD-3602
    Width Options:
    3 Inch
    Truck Class:
    Light Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $19.29
    Qty in Cart: 0
    Price:
    $19.29
    Subtotal:
  • FREE SHIPPING OVER $249
    Air Brake Hose Fitting 3/8 MP X 1/2

    Air Brake Hose Fitting 3/8 MP X 1/2

    TRAMEC SLOAN

    $18.73
    Male Connector with Spring For Rubber Hose* High Quality Air Hose Fitting* Sold Individually* Warranty On Hose End Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    RB68SG86
    SKU:
    RB68SG86
    Truck Class:
    Heavy Duty
    Diameter Options:
    3/8 Inch
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $18.73
    Qty in Cart: 0
    Price:
    $18.73
    Subtotal:
  • FREE SHIPPING OVER $249
    Air Brake Rubber Hose Fitting 1/4 MP X 3/8

    Air Brake Rubber Hose Fitting 1/4 MP X 3/8

    TRAMEC SLOAN

    $8.07
    Air Brake Fitting For Rubber Hose* High Quality Hose End* Sold Individually* Warranty On Hose End Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    RB68SG64
    SKU:
    RB68SG64
    Truck Class:
    Heavy Duty
    Diameter Options:
    1/4 Inch
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $8.07
    Qty in Cart: 0
    Price:
    $8.07
    Subtotal:
  • FREE SHIPPING OVER $249
    1/2 Inch Union For Rubber Brake Hose

    1/2 Inch Union For Rubber Brake Hose

    PARTS DISTRIBUTING

    $27.43
    Union For Rubber Brake Hose* High Quality Union* 1/2 Size* For Rubber Break Hose* Sold Individually* Warranty On Union Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    RB628
    SKU:
    RB628
    Truck Class:
    Heavy Duty
    Diameter Options:
    1/2 Inch
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $27.43
    Qty in Cart: 0
    Price:
    $27.43
    Subtotal:
  • CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ 1776 & Treads Stainless Steel Insert W/ Color Options

    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ 1776 & Treads Stainless Steel Insert W/ Color Options

    CHROME SHOP MAFIA

    $209.99 - $276.99
    Show off your patriotic pride with this custom engraved 1776 step plate, designed to add bold style to your truck's steps, deck plates, and floors. Constructed with a durable aluminum step plate, a...
    PPR_205157
    SKU:
    PPR_205157
    Length Options:
    20 Inch
    Width Options:
    5 Inch
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Billet Aluminum
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $209.99 - $276.99
    Qty in Cart: 0
    Price:
    $209.99 - $276.99
    Subtotal:
  • CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ Molan Labe SS Insert

    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ Molan Labe SS Insert

    CHROME SHOP MAFIA

    $209.99 - $276.99
    Choose Option(s) to see description.CSM Molan Labe Step Plate - Plain, 5 X 20 X 1/4 InchPlain Step Plate With Stainless Steel Molan Labe Insert By Chrome Shop Mafia* High Quality Step Plate * Billet...
    PPR_205156
    SKU:
    PPR_205156
    Truck Class:
    Universal
    Location:
    Made In USA
    Length Options:
    20 Inch
    Width Options:
    5 Inch
    Material Options:
    Billet Aluminum
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $209.99 - $276.99
    Qty in Cart: 0
    Price:
    $209.99 - $276.99
    Subtotal:
  • Limited Quantity Available
    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ Freedom Isn't Free SS Insert

    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ Freedom Isn't Free SS Insert

    CHROME SHOP MAFIA

    $209.99 - $276.99
    Choose Option(s) to see description.CSM Freedom Isn't Free Step Plate - Plain, 5 X 20 X 1/4 InchPlain Billet Aluminum Step Plate With Stainless Steel Freedom Isn't Free Design Insert By Chrome Shop...
    PPR_205155
    SKU:
    PPR_205155
    Length Options:
    20 Inch
    Width Options:
    5 Inch
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Billet Aluminum
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $209.99 - $276.99
    Qty in Cart: 0
    Price:
    $209.99 - $276.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ Don't Tread On Me SS Insert

    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ Don't Tread On Me SS Insert

    CHROME SHOP MAFIA

    $98.39 - $276.99
    Choose Option(s) to see description.CSM SS Do Not Tread On Me Step Plate - Plain, 5 X 20 X 1/4 Inch5 X 20 X 1/4 Inch Billet Aluminum Step Plate With Stainless Steel Don't Tread On Me Design Insert By...
    PPR_205154
    SKU:
    PPR_205154
    Location:
    Made In USA
    Truck Class:
    Universal
    Length Options:
    20 Inch
    Width Options:
    5 Inch
    Material Options:
    Billet Aluminum
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $98.39 - $276.99
    Qty in Cart: 0
    Price:
    $98.39 - $276.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ Cross & Treads SS Insert

    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ Cross & Treads SS Insert

    CHROME SHOP MAFIA

    $170.48 - $276.99
    Choose Option(s) to see description.CSM SS Cross And Treads Step Plate - Plain, 5 X 20 X 1/4 InchPlain Billet Aluminum Step Plate W/ Stainless Steel Cross And Treads Design Insert By Chrome Shop...
    PPR_205153
    SKU:
    PPR_205153
    Length Options:
    20 Inch
    Width Options:
    5 Inch
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Billet Aluminum
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $170.48 - $276.99
    Qty in Cart: 0
    Price:
    $170.48 - $276.99
    Subtotal:
  • CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ Tommy Gun Stainless Steel Insert W/ Color Option

    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ Tommy Gun Stainless Steel Insert W/ Color Option

    CHROME SHOP MAFIA

    $204.99 - $276.99
    Upgrade the look of your truck with this custom engraved step plate, designed to add bold style to steps, deck plates, and floors. Featuring a durable aluminum step plate mounted to a heavy-duty...
    PPR_205152
    SKU:
    PPR_205152
    Truck Class:
    Universal
    Location:
    Made In USA
    Length Options:
    20 Inch
    Width Options:
    5 Inch
    Make:
    Universal Items
    Material Options:
    Aluminum
    Color:
    Yellow
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $204.99 - $276.99
    Qty in Cart: 0
    Price:
    $204.99 - $276.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ American Flag SS Insert

    CSM 5 X 20 X 1/4 Inch Billet Aluminum Step Plate W/ American Flag SS Insert

    CHROME SHOP MAFIA

    $193.89 - $276.99
    Choose Option(s) to see description.CSM SS American Flag Step Plate - Plain, 5 X 20 X 1/4 Inch5 X 20 X 1/4 Inch Billet Aluminum Step Plate With Stainless Steel American Flag Design Insert By Chrome...
    PPR_205151
    SKU:
    PPR_205151
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Length Options:
    20 Inch
    Width Options:
    5 Inch
    Material Options:
    Aluminum
    Location:
    Made In USA
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $193.89 - $276.99
    Qty in Cart: 0
    Price:
    $193.89 - $276.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    Chrome Plastic Skull Nut Covers Push On - 10 Pack For Hex Nuts & Bolts

    Chrome Plastic Skull Nut Covers Push On - 10 Pack For Hex Nuts & Bolts

    UNITED PACIFIC

    $2.02 - $14.45
    Choose Option(s) to see description.7/16 X 3/4 Inch Chrome Skull Nut Covers - Push On Style - 10 PackChrome Plastic Skull Nut CoversEnhance the look of your vehicle with this 10 pack of high-quality...
    PPR_205108
    SKU:
    PPR_205108
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $2.02 - $14.45
    Qty in Cart: 0
    Price:
    $2.02 - $14.45
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Chrome Plastic Bullet Nut Cover - Push On

    Chrome Plastic Bullet Nut Cover - Push On

    UNITED PACIFIC

    $0.21 - $10.40
    Improve the appearance of your wheels with this chrome plastic bullet nut cover featuring a convenient push-on design. Designed for universal applications, these high-quality aftermarket nut covers...
    PPR_204461
    SKU:
    PPR_204461
    Truck Class:
    Universal
    Style Options:
    Bullet
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Ready To Ship:
    Yes
    Style Options:
    Push On
    Diameter Options:
    1 Inch
    Height Options:
    1 5/8 Inch
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Diameter Options:
    11/16 Inch
    Height Options:
    2 Inch
    Type Options:
    Push On
    $0.21 - $10.40
    Qty in Cart: 0
    Price:
    $0.21 - $10.40
    Subtotal:
  • FREE SHIPPING OVER $249
    Limited Quantity Available
    Chrome Die-Cast Acorn Nut Covers

    Chrome Die-Cast Acorn Nut Covers

    UNITED PACIFIC

    $0.73 - $1.03
    Give your truck or trailer a clean, finished appearance with this chrome die-cast acorn nut cover, designed to conceal exposed nuts and bolts. This high-quality aftermarket replacement is available...
    PPR_204441
    SKU:
    PPR_204441
    Truck Class:
    Universal
    Material Options:
    Steel
    Shape Options:
    Acorn
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Height Options:
    1 Inch
    Diameter Options:
    11/16 Inch
    Diameter Options:
    3/4 Inch
    Material Options:
    Diecast
    Type Options:
    Push On
    Location:
    Made In USA
    $0.73 - $1.03
    Qty in Cart: 0
    Price:
    $0.73 - $1.03
    Subtotal:
  • Total: items /

Adding your products to cart

Shop Freightliner Classic Suspension and Chassis Parts

When it comes to finding the right Freightliner Classic XL parts to fix your suspension and ride height issues, 4 State Trucks stocks an enormous array of aftermarket replacement options. Whether you are addressing structural fatigue with heavy-duty frame rails and crossmembers or overhauling your front-end geometry with SBA air ride kits and leaf springs, we have the commercial-grade components required for the job. Restore your DOT compliance with high-performance shock absorbers and air valves, or upgrade your chassis utility with secure deck plates and frame steps. Our inventory includes model-specific suspension upgrade components and frame-chassis hardware parts. As you upgrade your frame-rail components, consider adding additional make/model-specific parts: Freightliner Classic fuel tanks, Freightliner classic visor or a new Freightliner Classic battery box. Find everything you need to refurbish and repair your big rig.

Frequently Asked Questions About Freightliner Classic Frame & Chassis

What are the differences between steel and aluminum bumpers for my Freightliner Classic?

Steel bumpers typically weigh 150-200 lbs and offer superior impact resistance and durability, making them ideal for heavy-duty applications and harsh weather conditions. They're generally 30-40% less expensive than aluminum but require regular maintenance to prevent rust. Aluminum bumpers weigh about 60-80 lbs, won't rust, and provide better fuel economy due to weight savings. However, they're more prone to denting and cost significantly more upfront. Most owner-operators choose steel for work trucks and aluminum for show trucks or when weight restrictions are critical.

Will aftermarket bumpers fit my specific Freightliner Classic model year?

Most aftermarket bumpers are designed to fit Freightliner Classic models from 1990-2007, but there are important variations. Pre-2000 models often have different mounting hole patterns and may require adapter brackets. The FLD 112/120 and Classic XL have wider frames that need specific bumper widths (typically 18" or 20" options). Always verify your frame rail width and mounting hole spacing before ordering. Look for bumpers that specify compatibility with your exact model designation (FLC, FLD, or Classic XL) and year range to ensure proper fitment without modifications.

What tools and skills do I need to install a new bumper myself?

Installing a Freightliner Classic bumper requires basic mechanical skills and these tools: 3/4" and 7/8" sockets and wrenches, torque wrench capable of 150-200 ft-lbs, floor jack or forklift to support the bumper weight, and safety equipment. The process typically takes 2-4 hours with a helper. Key challenges include aligning heavy bumpers with mounting holes and achieving proper torque specs (usually 150-175 ft-lbs for frame bolts). Many customers report difficulty with rusted or seized bolts on older trucks. Having penetrating oil and possibly a torch available is recommended. Professional installation typically costs $200-400 if you prefer to avoid these challenges.

What finish options hold up best against road salt and weather?

Chrome-plated steel remains the most popular choice, offering excellent appearance when maintained but requiring regular polishing and can show pitting after 3-5 years in salt states. Powder-coated finishes in black or custom colors provide superior corrosion resistance and typically last 5-7 years without significant maintenance. Polished aluminum naturally resists corrosion but shows water spots and requires frequent cleaning. For maximum durability in harsh conditions, consider bumpers with e-coating underneath chrome plating or opt for heavy-duty powder coating with a clear protective topcoat. Stainless steel options are available but typically cost 2-3 times more than standard chrome.

Can I mount accessories like light bars or air hoses to aftermarket bumpers?

Most quality aftermarket bumpers come pre-drilled for standard accessories or include mounting provisions. Common mounting points include centered holes for light bars (typically supporting up to 50" bars), side mounting tabs for work lights or air hose hangers, and tow hook or shackle mounting points rated for 20,000-30,000 lbs. When selecting a bumper, verify it has the specific mounting features you need - not all bumpers include fog light provisions or airline holes. Adding holes after purchase is possible but may void warranties and compromise chrome plating. Many bumpers also offer optional bolt-on accessories like step plates, license plate holders, and bumper guards that don't require drilling.


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