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Freightliner Classic Frame & Chassis

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Service Chamber C20 Replaces 1420001

    Service Chamber C20 Replaces 1420001

    AFTERMARKET

    $147.99
    2.25 Inch Type 20 Standard Stroke Service Brake ChamberThe 2.25 inch Type 20 Service Standard Stroke Brake Chamber is built for dependable performance. It comes with a tough epoxy-coated steel...
    09-05170087
    SKU:
    09-05170087
    Product Type:
    Frame & Chassis
    Material Options:
    Nylon
    Diameter Options:
    5 1/4 Inch
    Make:
    Universal Items
    $147.99
    Qty in Cart: 0
    Price:
    $147.99
    Subtotal:
  • 6.91 Inch Flat Shaped Air Disc Brake Rotor Kit 153.130036 For SAF Holland / Neway

    6.91 Inch Flat Shaped Air Disc Brake Rotor Kit 153.130036 For SAF Holland / Neway

    AFTERMARKET

    $496.99
    SAF Holland P89 Plus Air Disc Brake Rotor With Hardware* High Quality Air Disc Brake Rotor Kit* Dimensions:  - 16.91 Inch Disc OD  - 2.27 Inch Overall Depth  - 8.062 Inch Bolt Circle  - 7.07 Inch...
    09-05170090
    SKU:
    09-05170090
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $496.99
    Qty in Cart: 0
    Price:
    $496.99
    Subtotal:
  • 17.10 Inch Hat Shaped Air Disc Brake Rotor 6347297, M44D76621, N508030038

    17.10 Inch Hat Shaped Air Disc Brake Rotor 6347297, M44D76621, N508030038

    AFTERMARKET

    $346.99
    12 Hole 17.10 X 5.125 Inch Brake Drum* High Quality Air Disc Rotor* Dimensions:  - 17.10 Inch Disc OD  - 5.125 Inch Overall Depth  - 6.610 Inch Bolt Circle  - 0.75 Inch Hole Diameter  - 5.15 Inch...
    09-05170089
    SKU:
    09-05170089
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $346.99
    Qty in Cart: 0
    Price:
    $346.99
    Subtotal:
  • Brake Spring 5.15 Inch Replaces R567501, 19-922

    Brake Spring 5.15 Inch Replaces R567501, 19-922

    AUTOMANN USA

    $3.80
    Brake Shoe Retainer Spring* High Quality Brake Spring* Black* Dimensions:  - 5.15 Inch Overall Length  - 1.860 Inch Spring Length* Sold Individually* Warranty On Brake Springs Against Defects In...
    09-05170088
    SKU:
    09-05170088
    Product Type:
    Frame & Chassis
    Color:
    Black
    Make:
    Universal Items
    $3.80
    Qty in Cart: 0
    Price:
    $3.80
    Subtotal:
  • Brake Spider Weld On Replaces 02-137, 361652, M12WS128X, 200999014, 200999023

    Brake Spider Weld On Replaces 02-137, 361652, M12WS128X, 200999014, 200999023

    AFTERMARKET

    $145.99
    Weld-On Brake SpiderThe Brake Spider is an essential component of braking systems, designed for a 12-1/4 inch brake size. It features a weld-on design and has a pilot diameter of 5.25 inches. This...
    09-05170086
    SKU:
    09-05170086
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $145.99
    Qty in Cart: 0
    Price:
    $145.99
    Subtotal:
  • Brake Drum 15 X 4 Inch 10 Hole Replaces 3726, 3726X, 65545, 65545B

    Brake Drum 15 X 4 Inch 10 Hole Replaces 3726, 3726X, 65545, 65545B

    AFTERMARKET

    $296.99
    15 X 4 Inch Outboard Mount Balanced Brake Drum* High Quality Brake Drum* Dimensions:  - 15.00 Inch Brake Surface Diameter  - 9.04 Inch Overall Depth  - 4.66 Inch Brake Surface Flat  - 8.78 Inch Pilot...
    09-05170082
    SKU:
    09-05170082
    Product Type:
    Frame & Chassis
    Diameter Options:
    15 Inch
    Make:
    Universal Items
    $296.99
    Qty in Cart: 0
    Price:
    $296.99
    Subtotal:
  • Brake Spider Bolt On Replaces 02-041,15619909, 361713, A3211J3780, A3211P3604

    Brake Spider Bolt On Replaces 02-041,15619909, 361713, A3211J3780, A3211P3604

    AFTERMARKET

    $467.99
    Rear Tandem Axle Brake Spider* High Quality Brake Spider* Dimensions:  - 16.5 Inch Brake Size  - 1.75 Inch Offset  - 8.25 Inch Bolt Cirle  - 6.75 Inch Pilot Diameter* Drive Axle* Number Of Mounting...
    09-05170084
    SKU:
    09-05170084
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $467.99
    Qty in Cart: 0
    Price:
    $467.99
    Subtotal:
  • Brake Spider Replaces 02-035. 15583741, A3211B3928, A3211K3911, 361717

    Brake Spider Replaces 02-035. 15583741, A3211B3928, A3211K3911, 361717

    AFTERMARKET

    $488.99
    Brake Backing Plate / Spider* High Quality Brake Spider* Dimensions:  - 16.5 Inch Brake Size  - 1.75 Inch Offset  - 8.125 Inch Bolt Circle  - 6.75 Inch Pilot Diameter* Drive Axle* Number Of Mounting...
    09-05170083
    SKU:
    09-05170083
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $488.99
    Qty in Cart: 0
    Price:
    $488.99
    Subtotal:
  • Air Brake Spider Flange Replaces 6261, B13231, R00864, M16TF101, 102102002

    Air Brake Spider Flange Replaces 6261, B13231, R00864, M16TF101, 102102002

    AFTERMARKET

    $97.99
    Air Brake Spider Backing Plate - Flange* High Quality Brake Spider Flange* Dimensions:  - 7-5/8 Inch Outer Diameter   - 5-1/8 Inch Inner Diameter  - 1/2 Inch Thickness* Made In USA* Sold...
    09-05170081
    SKU:
    09-05170081
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $97.99
    Qty in Cart: 0
    Price:
    $97.99
    Subtotal:
  • Air Spring Brake TR3030LP3HD WC Replaces 3232951, 3232951X

    Air Spring Brake TR3030LP3HD WC Replaces 3232951, 3232951X

    AFTERMARKET

    $341.99
    Spring Brake Welded Clevis 2.25 Inch* High Quality Spring Brake* Welded Clevis * 2.25 Inch Push Rod* 3.0 Inch Long Stroke* HD Nylon Reinforced Diaphragms* HD Power Spring * With 145 Pound Additional...
    09-05170077
    SKU:
    09-05170077
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $341.99
    Qty in Cart: 0
    Price:
    $341.99
    Subtotal:
  • Brake Spider 16 Holes Bolt On Replaces M16WS135X, B15931 E957, A3211A833, 200999-010, 7A113

    Brake Spider 16 Holes Bolt On Replaces M16WS135X, B15931 E957, A3211A833, 200999-010, 7A113

    AFTERMARKET

    $154.99
    Camshaft Seal Spider Brake With 16 Holes for .5 Inch Bolts* High Quality Brake Spider* Dimensions:  - 1/2 Inch X 16 Hole Size  - 5.625 Inch Pilot Diameter * Bolt-On Spider* Supplied Without Bushings*...
    09-05170080
    SKU:
    09-05170080
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $154.99
    Qty in Cart: 0
    Price:
    $154.99
    Subtotal:
  • Long Stroke Air Brake Chamber 12 Inch - No Core Charge TR3030LP3 INTRAAX Replaces 3230551, 3230551X

    Long Stroke Air Brake Chamber 12 Inch - No Core Charge TR3030LP3 INTRAAX Replaces 3230551, 3230551X

    BESTFIT TRUCK PARTS

    $233.99
    Air Spring Brake TR3030LP3 Intraax - Non-clevis* High Quality Spring Brake* 3.0 Inch Long Stroke* 12 Inch Push Rod* HD Nylon Reinforced Diaphragms* Epoxy Coated Head* Non-Pressure Chamber* Lower Push...
    09-05170079
    SKU:
    09-05170079
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $233.99
    Qty in Cart: 0
    Price:
    $233.99
    Subtotal:
  • Brake Chamber Top Cap Housing 7.68 Inch

    Brake Chamber Top Cap Housing 7.68 Inch

    BESTFIT TRUCK PARTS

    $15.25
    Replacement Top Cover Housing For Air Brake Chamber* High Quality Top Cap Housing* Dimensions:  - 7.68 Inch Overall Diameter  - 4.79 Inch C To C Length  - 5/8 Inch-11 Bolt Diameter* For Brake...
    09-05170073
    SKU:
    09-05170073
    Product Type:
    Frame & Chassis
    Diameter Options:
    7 1/2 Inch
    Make:
    Universal Items
    $15.25
    Qty in Cart: 0
    Price:
    $15.25
    Subtotal:
  • 1/2 Inch NPT Air Brake Quick Release Valve QRN Replaces AV065066, 065066, 65066

    1/2 Inch NPT Air Brake Quick Release Valve QRN Replaces AV065066, 065066, 65066

    AUTOMANN USA

    $15.27
    QRN Quick Release Valve 1/2 Inch NPT Ports, 1 PSI Max* High Quality Quick Release Valve* Crack Pressure 1 PSI Maximum* 1/2 Inch NPT Supply Port* Sold Individually* Warranty On Quick Release Valves...
    09-05170075
    SKU:
    09-05170075
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $15.27
    Qty in Cart: 0
    Price:
    $15.27
    Subtotal:
  • 3/8 Inch NPT Air Brake Quick Release Valve QRN Type Replaces 065067, 5018323, 802743, K090840. K090841, 15534992

    3/8 Inch NPT Air Brake Quick Release Valve QRN Type Replaces 065067, 5018323, 802743, K090840. K090841, 15534992

    AUTOMANN USA

    $13.98
    Air Brake Quick Release Valve* High Quality Quick Release Valve* Crack Pressure 1 PSI* 3/8 Inch NPT Delivery And Supply* Sold Individually* Warranty On Quick Release Valves Against Defects In...
    09-05170074
    SKU:
    09-05170074
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $13.98
    Qty in Cart: 0
    Price:
    $13.98
    Subtotal:
  • Spring Brake Valve SRD Type Replaces 102761

    Spring Brake Valve SRD Type Replaces 102761

    AFTERMARKET

    $127.99
    SR2 Type Spring Brake Valve, 3/4in NPT Nipple* High Quality Spring Brake Valve* 3/4 Inch NPT Nipple* Made In USA* Sold Individually* Warranty On Spring Brake Valves Against Defects In Workmanship &...
    09-05170072
    SKU:
    09-05170072
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $127.99
    Qty in Cart: 0
    Price:
    $127.99
    Subtotal:
  • Camshaft 1.5 Inch- 28 Spline Driver Side Replaces 2210-Q-7661

    Camshaft 1.5 Inch- 28 Spline Driver Side Replaces 2210-Q-7661

    AFTERMARKET

    $114.99
    Air Brake CamshaftThis driver side camshaft is compatible with the Repair Kit 110.2207. It features a head style classified as 7 and a head type of 1.188 inch Meritor Q Plus. The overall length of...
    09-05170063
    SKU:
    09-05170063
    Length Options:
    15 Inch
    Product Type:
    Frame & Chassis
    Truck Class:
    Universal
    Make:
    Universal Items
    Diameter Options:
    1 1/2 Inch
    $114.99
    Qty in Cart: 0
    Price:
    $114.99
    Subtotal:
  • Camshaft 1.5 Inch- 28 Spline Passenger Side Replaces 2210-Q-7660

    Camshaft 1.5 Inch- 28 Spline Passenger Side Replaces 2210-Q-7660

    AFTERMARKET

    $114.99
    Air Brake CamshaftThis Passenger Side Camshaft works well with the 110.2207 Repair Kit. It has a head style of 7 and a head type that measures 1.188 inches, making it a good match for Meritor Q Plus...
    09-05170064
    SKU:
    09-05170064
    Product Type:
    Frame & Chassis
    Truck Class:
    Universal
    Length Options:
    15 Inch
    Make:
    Universal Items
    Diameter Options:
    1 1/2 Inch
    $114.99
    Qty in Cart: 0
    Price:
    $114.99
    Subtotal:
  • Parking Valve W/ 2 Way Check Valve 401029

    Parking Valve W/ 2 Way Check Valve 401029

    AFTERMARKET

    $71.99
    Tractor Trailer Park Valve W/2-Way Check ValveThe Parking Valve with a Two-Way Check Valve is used in air brake systems for heavy-duty vehicles. It has a 1/4 inch NPT inlet for connecting air lines,...
    09-05170058
    SKU:
    09-05170058
    Product Type:
    Frame & Chassis
    Truck Class:
    Universal
    Make:
    Universal Items
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Parking Valve W/ 2 Way Check Valve 401084

    Parking Valve W/ 2 Way Check Valve 401084

    AFTERMARKET

    $71.99
    Parking Valve W/2 Way Check ValveThe parking valve with a 2-way check valve lets you use either the primary or secondary air supply to operate the spring brakes on your tractor and trailer...
    09-05170056
    SKU:
    09-05170056
    Product Type:
    Frame & Chassis
    Truck Class:
    Universal
    Make:
    Universal Items
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Total: items /

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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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