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Freightliner Classic Frame & Chassis

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  • Price
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  • Iowa Customs Stainless Steel Recessed Airline Box

    Iowa Customs Stainless Steel Recessed Airline Box

    IOWA CUSTOMS

    $988.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksIowa Customs Stainless Steel Slide In Recessed Air Line BoxStainless Steel Slide In Recessed Air Line...
    PPR_300939
    SKU:
    PPR_300939
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Style Options:
    Recessed
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $988.99
    Qty in Cart: 0
    Price:
    $988.99
    Subtotal:
  • Iowa Customs Stainless Steel In-Frame Merritt Dyna Deck Rail Covers

    Iowa Customs Stainless Steel In-Frame Merritt Dyna Deck Rail Covers

    IOWA CUSTOMS

    $191.99 - $313.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksIowa Customs Stainless Steel In-Frame Rail Covers 84 1/4 Inch LengthStainless Steel 84 1/4 Inch Length...
    PPR_300941
    SKU:
    PPR_300941
    Length Options:
    56 Inch
    Length Options:
    92 Inch
    Type Options:
    Flush Mount
    Length Options:
    64 Inch
    Length Options:
    74 Inch
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Length Options:
    84 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $191.99 - $313.99
    Qty in Cart: 0
    Price:
    $191.99 - $313.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Standard Style Horn Cover Chrome Plated Steel, 7 1/4 To 7 1/2 Inch Diameter

    Standard Style Horn Cover Chrome Plated Steel, 7 1/4 To 7 1/2 Inch Diameter

    GRAND GENERAL

    $17.42
    7 1/4 To 7 1/2 Inch Diameter Chrome Plated Steel Standard Style Horn CoverEnhance your truck's interior styling with the Standard Style Horn Cover, built for durability, fitment accuracy, and...
    09-0513138
    SKU:
    09-0513138
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Style Options:
    Standard
    Material Options:
    Steel
    Make:
    Universal Items
    $17.42
    Qty in Cart: 0
    Price:
    $17.42
    Subtotal:
  • Iowa Customs Stainless Steel Inserts For Merritt Dyna Deck Flush Mount Deck Plates

    Iowa Customs Stainless Steel Inserts For Merritt Dyna Deck Flush Mount Deck Plates

    IOWA CUSTOMS

    $71.99
    Inserts For Merritt Dyna Deck Flush Mount Deck Plates Stainless Steel By Iowa CustomsUpgrade your trailer deck finish with the Iowa Customs Stainless Steel, built for durability, corrosion...
    09-050300070
    SKU:
    09-050300070
    Location:
    Made In USA
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Iowa Customs Merritt Dynadeck Slide In Rail Deck Plate Accessories, 20 Inch Storage Box Only, Stainless Steel

    Iowa Customs Merritt Dynadeck Slide In Rail Deck Plate Accessories, 20 Inch Storage Box Only, Stainless Steel

    IOWA CUSTOMS

    $1,197.99
    20 Inch Stainless Steel Merritt Dynadeck Slide In Rail Deck Plate Accessories, Storage Box OnlyImprove your truck's storage efficiency with this premium Iowa Customs Slide In Rail Deck Storage Box,...
    09-0503000022
    SKU:
    09-0503000022
    Location:
    Made In USA
    Product Type:
    Frame & Chassis
    Length Options:
    14 Inch
    Width Options:
    20 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $1,197.99
    Qty in Cart: 0
    Price:
    $1,197.99
    Subtotal:
  • Bulldog Suspension Shock Front, Extended Length 26.85 Inch, Collapsed 16.61 Inch

    Bulldog Suspension Shock Front, Extended Length 26.85 Inch, Collapsed 16.61 Inch

    BULLDOG HD SHOCKS

    $42.33
    Front Suspension Shock Extended Length 26.85 Inch, Collapsed 16.61 InchRestore dependable steering response and ride quality with this high-quality Bulldog Front Suspension Shock designed for...
    09-05000005
    SKU:
    09-05000005
    Product Type:
    Frame & Chassis
    Style Options:
    Heavy Duty
    Length Options:
    27 Inch
    Make:
    Universal Items
    $42.33
    Qty in Cart: 0
    Price:
    $42.33
    Subtotal:
  • Iowa Customs On Top Dyna-Deck Airline Box 45 Degree Low Profile W/ Smooth Aluminum

    Iowa Customs On Top Dyna-Deck Airline Box 45 Degree Low Profile W/ Smooth Aluminum

    IOWA CUSTOMS

    $718.99
    Smooth Aluminum On Top Dyna-Deck Airline Box 45 Degree Low Profile By Iowa CustomsEnhance your deck system functionality with this high-quality Iowa Customs Airline Box featuring a 45 degree low...
    09-050400036
    SKU:
    09-050400036
    Style Options:
    Recessed
    Finish Options:
    Smooth
    Degree Options:
    45
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $718.99
    Qty in Cart: 0
    Price:
    $718.99
    Subtotal:
  • Iowa Customs Merritt Dyna Deck In-Frame Deck Plate W/ Recessed Airline Box, 30 1/4 Wide Inch X 65 1/4 Inch Long

    Iowa Customs Merritt Dyna Deck In-Frame Deck Plate W/ Recessed Airline Box, 30 1/4 Wide Inch X 65 1/4 Inch Long

    IOWA CUSTOMS

    $1,202.99
    Merritt Dyna Deck In-Frame Deck Plate W/ Recessed Airline Box, 30 1/4 Wide Inch X 65 1/4 Inch Long By Iowa CustomsImprove underframe organization and functionality with the Iowa Customs In-Frame Deck...
    09-0503000016
    SKU:
    09-0503000016
    Product Type:
    Frame & Chassis
    Finish Options:
    Paintable
    Length Options:
    65 Inch
    Location:
    Made In USA
    Material Options:
    Aluminum
    Style Options:
    Recessed
    Width Options:
    30 Inch
    Make:
    Universal Items
    $1,202.99
    Qty in Cart: 0
    Price:
    $1,202.99
    Subtotal:
  • Iowa Customs Stainless Steel In-Frame Dove Tail Rail Covers

    Iowa Customs Stainless Steel In-Frame Dove Tail Rail Covers

    IOWA CUSTOMS

    $305.99
    Stainless Steel In-Frame Dove Tail Rail Covers By Iowa CustomsEnhance the look and durability of your rig with these premium Iowa Customs In-Frame Dove Tail Rail Covers, crafted from high-quality 304...
    09-0503000021
    SKU:
    09-0503000021
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Style Options:
    Dove Tail
    Location:
    Made In USA
    Make:
    Universal Items
    $305.99
    Qty in Cart: 0
    Price:
    $305.99
    Subtotal:
  • Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups

    Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups

    IOWA CUSTOMS

    $490.99 - $597.99
    This quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel or smooth aluminum with a 45-degree front and a flange. The air line box has pre-cut openings...
    PPR_300910
    SKU:
    PPR_300910
    Degree Options:
    45
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Location:
    Made In USA
    Truck Class:
    Universal
    Product Type:
    Frame & Chassis
    Finish Options:
    Polished
    Style Options:
    Flush Mount
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $490.99 - $597.99
    Qty in Cart: 0
    Price:
    $490.99 - $597.99
    Subtotal:
  • Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air, One 7-Way & Hydraulic Hookup Cutouts

    Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air, One 7-Way & Hydraulic Hookup Cutouts

    IOWA CUSTOMS

    $490.99 - $655.99
    Organize connectors on the back of your truck with this 18 inch recessed air line box by Iowa Customs with pre-cut openings for trailer air, a 7 way, and a hydraulic hook up. It is made of...
    PPR_300912
    SKU:
    PPR_300912
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Location:
    Made In USA
    Truck Class:
    Universal
    Product Type:
    Frame & Chassis
    Style Options:
    Recessed
    Type Options:
    Frame Mount
    Material Options:
    Stainless Steel
    Width Options:
    18 Inch
    Type Options:
    Flush Mount
    Make:
    Universal Items
    $490.99 - $655.99
    Qty in Cart: 0
    Price:
    $490.99 - $655.99
    Subtotal:
  • Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups

    Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way, Hydraulic Hookups

    IOWA CUSTOMS

    $490.99 - $612.99
    This quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel or smooth aluminum with a radius bottom and a flange. The air line box has pre-cut openings...
    PPR_300911
    SKU:
    PPR_300911
    Material Options:
    Aluminum
    Truck Class:
    Universal
    Finish Options:
    Smooth
    Style Options:
    Flanged
    Finish Options:
    Polished
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Type Options:
    Flush Mount
    Make:
    Universal Items
    $490.99 - $612.99
    Qty in Cart: 0
    Price:
    $490.99 - $612.99
    Subtotal:
  • Load- Share Steer Axle Ride Kit Fits 3.5 Or 4 Inch Leaf Spring With Square Top U-Bolts & Standard U-Bolt Spacing

    Load- Share Steer Axle Ride Kit Fits 3.5 Or 4 Inch Leaf Spring With Square Top U-Bolts & Standard U-Bolt Spacing

    LOAD-SHARE SUSPENSIONS

    $1,085.99 - $1,252.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of TrucksLoad- Share Steer Axle Ride Kit Fits 3.5 Inch Leaf-Spring With Square-Top U-Bolts & Standard U-Bolt...
    PPR_300796
    SKU:
    PPR_300796
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,085.99 - $1,252.99
    Qty in Cart: 0
    Price:
    $1,085.99 - $1,252.99
    Subtotal:
  • Leaf Spring Pin 1.0625 Inch W/ Length Options

    Leaf Spring Pin 1.0625 Inch W/ Length Options

    DAYTON / DORMAN

    $29.53 - $31.11
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks1.0625 X 6.969 Inch Leaf Spring Pin Replaces 034013249, 079581000, 34013249Leaf Spring Pin- 1.0625 X 6...
    PPR_300744
    SKU:
    PPR_300744
    Length Options:
    7 3/4 Inch
    Diameter Options:
    1 Inch
    Material Options:
    Steel
    Length Options:
    7 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $29.53 - $31.11
    Qty in Cart: 0
    Price:
    $29.53 - $31.11
    Subtotal:
  • 12.25 X 7.5 Inch Brake Shoe Kit

    12.25 X 7.5 Inch Brake Shoe Kit

    DAYTON / DORMAN

    $189.99
    Replacement Brake Shoe Kit- 12.25 X 7.5 InchUpgrade your braking system with this high-quality 12.25 x 7.5 Inch Brake Shoe Kit, ideal for heavy-duty truck maintenance and repair. Built with ceramic...
    29-051700057
    SKU:
    29-051700057
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $189.99
    Qty in Cart: 0
    Price:
    $189.99
    Subtotal:
  • 54 Inch Suspension Equalizer Beam Replaces 058494-002, 058494-004, 58494-2

    54 Inch Suspension Equalizer Beam Replaces 058494-002, 058494-004, 58494-2

    DAYTON / DORMAN

    $3,095.99
    Suspension Equalizer Beam- 54 InchImprove suspension strength and ride stability with this 54 Inch Suspension Equalizer Beam designed to replace 058494-002, 058494-004, and 58494-2. Built for...
    29-051000051
    SKU:
    29-051000051
    Length Options:
    54 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $3,095.99
    Qty in Cart: 0
    Price:
    $3,095.99
    Subtotal:
  • Shock Absorber Replaces 12111, 980151Z

    Shock Absorber Replaces 12111, 980151Z

    DAYTON / DORMAN

    $127.99
    Shock Absorber W/ 8.53 Inch StrokeImprove suspension performance and ride stability with this Shock Absorber designed to replace 12111 and 980151Z in heavy-duty applications. Built from high-strength...
    29-050000201
    SKU:
    29-050000201
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $127.99
    Qty in Cart: 0
    Price:
    $127.99
    Subtotal:
  • Equalizer Beam Center Bushing Kit Replaces 030437-000L, 033742-000, 034013-054L

    Equalizer Beam Center Bushing Kit Replaces 030437-000L, 033742-000, 034013-054L

    DAYTON / DORMAN

    $499.99
    Equalizer Beam Center Bushing Kit W/ 3.5 Inch ID and 4.75 Inch ODRestore smooth and reliable suspension operation with this Equalizer Beam Center Bushing Kit compatible with walking beam suspension...
    29-051000052
    SKU:
    29-051000052
    Position:
    Kit Full
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $499.99
    Qty in Cart: 0
    Price:
    $499.99
    Subtotal:
  • Equalizer Beam End Bushing Replaces 034013-087L, 050150-000, 1139014, CS70572

    Equalizer Beam End Bushing Replaces 034013-087L, 050150-000, 1139014, CS70572

    DAYTON / DORMAN

    $181.99
    Steel Encased Rubber Equalizer Beam End BushingImprove ride stability and suspension reliability with this Equalizer Beam End Bushing replacement for 034013-087L, 050150-000, 1139014, and CS70572,...
    19-05100029
    SKU:
    19-05100029
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Make:
    Universal Items
    $181.99
    Qty in Cart: 0
    Price:
    $181.99
    Subtotal:
  • 16.5 X 7 Inch Brake Drum W/ 10 Holes & 9 Inch Hub

    16.5 X 7 Inch Brake Drum W/ 10 Holes & 9 Inch Hub

    DAYTON / DORMAN

    $257.99
    16.5 X 7 Inch 10 Hole Brake Drum Replaces 0302944, 3219V3714, 3946061Improve stopping power and reliability with this high-quality iron brake drum designed for air brake systems in heavy-duty...
    09-051700050
    SKU:
    09-051700050
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $257.99
    Qty in Cart: 0
    Price:
    $257.99
    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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