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Freightliner Classic Frame & Chassis

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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 304 SS 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way Cutout

    304 SS 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way Cutout

    IOWA CUSTOMS

    $655.99
    18 Inch 304 Stainless Steel Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way CutoutOrganize connectors on the back of your truck with this 18 inch recessed air line box by Iowa Customs...
    09-050300026
    SKU:
    09-050300026
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Style Options:
    Flush Mount
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $655.99
    Qty in Cart: 0
    Price:
    $655.99
    Subtotal:
  • Aluminum 12 Inch Deck Plate Section W/ On Top Airline Box For 34 Inch Truck Frame

    Aluminum 12 Inch Deck Plate Section W/ On Top Airline Box For 34 Inch Truck Frame

    IOWA CUSTOMS

    $572.99
    Smooth Aluminum On Frame Sectionalized Deck Plate With On-Top Air BoxThis Iowa Customs 12 Inch On Frame Section Deck Plate makes adding an on-top airline box to your deck easy. Mix and match it with...
    09-050300025
    SKU:
    09-050300025
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Style Options:
    Surface Mount
    Finish Options:
    Smooth
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Length Options:
    34 Inch
    $572.99
    Qty in Cart: 0
    Price:
    $572.99
    Subtotal:
  • 304 Stainless Steel 12 Inch On-Top Air Line Box

    304 Stainless Steel 12 Inch On-Top Air Line Box

    IOWA CUSTOMS

    $696.99
    12 Inch 304 Stainless Steel On-Top Air Line BoxHide unsightly connectors on the back of your truck with this 12 inch on-top air line box by Iowa Customs. It is made of corrosion-resistant stainless...
    09-050300024
    SKU:
    09-050300024
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    Flush Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $696.99
    Qty in Cart: 0
    Price:
    $696.99
    Subtotal:
  • 304 Stainless Steel 24 Inch Deck Plate Filler Section

    304 Stainless Steel 24 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $466.99
    24 Inch 304 Stainless Steel Deck Plate Filler SectionDress up your truck with this stainless steel 24-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate filler...
    09-050300023
    SKU:
    09-050300023
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    Surface Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $466.99
    Qty in Cart: 0
    Price:
    $466.99
    Subtotal:
  • Smooth Aluminum 22 Inch Deck Plate Filler Section

    Smooth Aluminum 22 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $294.99
    22 Inch Smooth Aluminum Deck Plate Filler SectionDress up your truck with this lightweight smooth aluminum 22-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate...
    09-050300022
    SKU:
    09-050300022
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Smooth
    Style Options:
    Surface Mount
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    $294.99
    Qty in Cart: 0
    Price:
    $294.99
    Subtotal:
  • 304 Stainless Steel 22 Inch Deck Plate Filler Section

    304 Stainless Steel 22 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $453.99
    22 Inch 304 Stainless Steel Deck Plate Filler SectionDress up your truck with this stainless steel 22-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate filler...
    09-050300021
    SKU:
    09-050300021
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Style Options:
    Surface Mount
    Product Type:
    Frame & Chassis
    $453.99
    Qty in Cart: 0
    Price:
    $453.99
    Subtotal:
  • Smooth Aluminum 24 Inch Deck Plate Filler Section

    Smooth Aluminum 24 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $310.99
    24 Inch Smooth Aluminum Deck Plate Filler SectionDress up your truck with this lightweight smooth aluminum 24-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate...
    09-050300020
    SKU:
    09-050300020
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Style Options:
    Surface Mount
    Finish Options:
    Smooth
    Product Type:
    Frame & Chassis
    $310.99
    Qty in Cart: 0
    Price:
    $310.99
    Subtotal:
  • 304 Stainless Steel 20 Inch Deck Plate Filler Section

    304 Stainless Steel 20 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $436.99
    20 Inch 304 Stainless Steel Deck Plate Filler SectionDress up your truck with this stainless steel 20-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate filler...
    09-050300019
    SKU:
    09-050300019
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    Surface Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $436.99
    Qty in Cart: 0
    Price:
    $436.99
    Subtotal:
  • Smooth Aluminum 18 Inch Deck Plate Filler Section

    Smooth Aluminum 18 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $265.99
    18 Inch Smooth Aluminum Deck Plate Filler SectionDress up your truck with this lightweight smooth aluminum 18-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate...
    09-050300018
    SKU:
    09-050300018
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Smooth
    Style Options:
    Surface Mount
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    $265.99
    Qty in Cart: 0
    Price:
    $265.99
    Subtotal:
  • 304 Stainless Steel 18 Inch Deck Plate Filler Section

    304 Stainless Steel 18 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $405.99
    18 Inch 304 Stainless Steel Deck Plate Filler SectionDress up your truck with this lightweight smooth stainless steel 14-inch plate filler. Part of Iowa Customs patented sectional deck place system,...
    09-050300017
    SKU:
    09-050300017
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Style Options:
    Surface Mount
    Product Type:
    Frame & Chassis
    $405.99
    Qty in Cart: 0
    Price:
    $405.99
    Subtotal:
  • Smooth Aluminum 16 Inch Deck Plate Filler Section

    Smooth Aluminum 16 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $204.99
    16 Inch Smooth Aluminum Deck Plate Filler SectionDress up your truck with this lightweight smooth aluminum 16-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate...
    09-050300016
    SKU:
    09-050300016
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Style Options:
    Surface Mount
    Product Type:
    Frame & Chassis
    $204.99
    Qty in Cart: 0
    Price:
    $204.99
    Subtotal:
  • 304 Stainless Steel 16 Inch Deck Plate Filler Section

    304 Stainless Steel 16 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $311.99
    16 Inch 304 Stainless Steel Deck Plate Filler SectionDress up your truck with this stainless steel 16-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate filler...
    09-050300015
    SKU:
    09-050300015
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    Surface Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $311.99
    Qty in Cart: 0
    Price:
    $311.99
    Subtotal:
  • Smooth Aluminum 14 Inch Deck Plate Filler Section

    Smooth Aluminum 14 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $178.99
    14 Inch Smooth Aluminum Deck Plate Filler SectionDress up your truck with this lightweight smooth aluminum 14-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate...
    09-050300014
    SKU:
    09-050300014
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Smooth
    Style Options:
    Surface Mount
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    $178.99
    Qty in Cart: 0
    Price:
    $178.99
    Subtotal:
  • 304 Stainless Steel 14 Inch Deck Plate Filler Section

    304 Stainless Steel 14 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $276.99
    14 Inch 304 Stainless Steel Deck Plate Filler SectionDress up your truck with this stainless steel 14-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate filler...
    09-050300013
    SKU:
    09-050300013
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Style Options:
    Surface Mount
    Product Type:
    Frame & Chassis
    $276.99
    Qty in Cart: 0
    Price:
    $276.99
    Subtotal:
  • Rails For Merritt 443 Deck Plate Flush Mount

    Rails For Merritt 443 Deck Plate Flush Mount

    MERRITT

    $38.46
    Merritt 443 Deck Plate Rails* High Quality Rails* For Flush Mount Merritt Deck Plate 443* Sold Individually* Warranty On Rails Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-050300010
    SKU:
    09-050300010
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $38.46
    Qty in Cart: 0
    Price:
    $38.46
    Subtotal:
  • Gabriel Shock Absorber Replaces 665763, B23548, S23548 For Hendrickson Trailer Suspension Systems

    Gabriel Shock Absorber Replaces 665763, B23548, S23548 For Hendrickson Trailer Suspension Systems

    GABRIEL

    $94.99
    Under Slung Style Replacement Shock Absorber* High Quality Shock Absorber* Sold Individually* Warranty On Shock Absorbers Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-050013
    SKU:
    09-050013
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $94.99
    Qty in Cart: 0
    Price:
    $94.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 1.875 Shock Eyelet Bushing For Gabriel Or Monroe Shock

    BESTfit 1.875 Shock Eyelet Bushing For Gabriel Or Monroe Shock

    BESTFIT TRUCK PARTS

    $2.65
    BESTfit 1.875 X 1.0 X 1.0 Shock Eyelet Bushing* High Quality Shock Bushing* 1.875 Inch Height* 1.000 Inch Width* 1.000 Inch Center* Sold Individually* Warranty On Shock Bushings Against Defects In...
    09-050012
    SKU:
    09-050012
    Height Options:
    1 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Material Options:
    Rubber
    Ready To Ship:
    Yes
    $2.65
    Qty in Cart: 0
    Price:
    $2.65
    Subtotal:
  • Gabriel Shock Absorber 1.63 Inch Bore Replaces 66627, 5045

    Gabriel Shock Absorber 1.63 Inch Bore Replaces 66627, 5045

    AFTERMARKET

    $52.99
    Gabriel Fleetline Trailer Shock Absorber 10.11 - 14.52 InchThe Gabriel Fleetline Trailer Shock Absorber is designed to fit various trailer suspension systems, including Hendrickson, Neway Holland,...
    09-050006
    SKU:
    09-050006
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Type Options:
    Sleeve Mount
    Length Options:
    14 1/2 Inch
    $52.99
    Qty in Cart: 0
    Price:
    $52.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Gabriel Shock Absorber 1.63 Inch Bore Replaces 85919, 65503

    Gabriel Shock Absorber 1.63 Inch Bore Replaces 85919, 65503

    GABRIEL

    $83.99
    Gabriel Fleetline Steer And Trailer Shock Absorber* High Quality Absorber * 1.63 Inch Bore* Collapsed Length 14.23 Inches* Extended Length 22.48 Inches* Sleeve Mounting* Sold Individually* Warranty...
    09-050004
    SKU:
    09-050004
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Shock Absorber 1.63 Inch Bore Replaces 85000, 65416

    Shock Absorber 1.63 Inch Bore Replaces 85000, 65416

    OPP - ORIGINAL PARTS PROGRAM

    Now: $12.08
    Was: $51.99
    Shock AbsorberThis shock absorber features a 1.63-inch bore and is a direct replacement for Monroe numbers 65416 and 66893, as well as Gabriel number 85000. It's designed to provide reliable...
    09-050002
    SKU:
    09-050002
    Truck Class:
    Heavy Duty
    Length Options:
    12 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Now: $12.08
    Was: $51.99
    Qty in Cart: 0
    Price:
    Now: $12.08
    Was: $51.99
    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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