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GMC TopKick Truck Frame & Chassis

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  • Qty in Cart
  • Quantity
  • Price
  • 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:
  • Merritt 23.5 X 28.5 Inch Top Opening Smooth Aluminum Step Box With Diamond Plate Door W/ Step

    Merritt 23.5 X 28.5 Inch Top Opening Smooth Aluminum Step Box With Diamond Plate Door W/ Step

    MERRITT

    $1,452.99 - $1,774.99
    Optimize your truck's storage with the Merritt 23.5 x 28.5 Inch Top Opening Smooth Aluminum Step Box, featuring a diamond plate door and integrated step for added convenience. Made from...
    PPR_204403
    SKU:
    PPR_204403
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Finish Options:
    Diamond Plate
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    $1,452.99 - $1,774.99
    Qty in Cart: 0
    Price:
    $1,452.99 - $1,774.99
    Subtotal:
  • Merritt 23.5 X 28.5 Inch Smooth Aluminum Top Opening Step Box With Bright Door

    Merritt 23.5 X 28.5 Inch Smooth Aluminum Top Opening Step Box With Bright Door

    MERRITT

    $1,515.99 - $2,147.99
    Maximize storage efficiency with the Merritt 23.5 x 28.5 Inch Smooth Aluminum Top Opening Step Box with Bright Door, designed for heavy-duty use and professional appearance. Made from...
    PPR_204402
    SKU:
    PPR_204402
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Aluminum
    Make:
    Universal Items
    Finish Options:
    Smooth
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    $1,515.99 - $2,147.99
    Qty in Cart: 0
    Price:
    $1,515.99 - $2,147.99
    Subtotal:
  • Merritt 22 X 21 Inch Top Opening Smooth Aluminum Saddle Box With Bright Door, No Step

    Merritt 22 X 21 Inch Top Opening Smooth Aluminum Saddle Box With Bright Door, No Step

    MERRITT

    $1,258.99 - $1,704.99
    Enhance your truck's storage efficiency with the Merritt Aluminum Top Opening Smooth Aluminum Saddle Box with Bright Door, measuring 22 x 21 inches. Built from high-quality, corrosion-resistant...
    PPR_204400
    SKU:
    PPR_204400
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Aluminum
    Make:
    Universal Items
    Finish Options:
    Smooth
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    $1,258.99 - $1,704.99
    Qty in Cart: 0
    Price:
    $1,258.99 - $1,704.99
    Subtotal:
  • Tie Rod End Type 4

    Tie Rod End Type 4

    AUTOMANN USA

    $159.99
    Maintain reliable steering performance with the Tie Rod End Type 4, designed as a replacement for select truck and trailer applications. Built for universal fitment depending on configuration, this...
    PPR_204391
    SKU:
    PPR_204391
    Truck Class:
    Universal
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $159.99
    Qty in Cart: 0
    Price:
    $159.99
    Subtotal:
  • Deck Plates Aluminum Diamond

    Deck Plates Aluminum Diamond

    UNITED PACIFIC

    $268.99 - $504.99
    Upgrade with this Aluminum Diamond Deck Plate with Mounting Hardware. Constructed from lightweight yet strong aluminum, the diamond tread pattern delivers classic heavy-duty styling. This deck plate...
    PPR_204362
    SKU:
    PPR_204362
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Style Options:
    Flush Mount
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Length Options:
    36 Inch
    Shape Options:
    Rectangular
    Length Options:
    48 Inch
    Size Options:
    8 Gauge
    Length Options:
    24 Inch
    Finish Options:
    Diamond Plate
    Length Options:
    60 Inch
    Width Options:
    34 Inch
    $268.99 - $504.99
    Qty in Cart: 0
    Price:
    $268.99 - $504.99
    Subtotal:
  • Stainless Steel Under Frame Light Bracket W Glo Watermelon LEDs, Clamp On

    Stainless Steel Under Frame Light Bracket W Glo Watermelon LEDs, Clamp On

    SHIFT PRODUCTS

    $97.99 - $297.99
    Optimize your rig with the Stainless Steel Under Frame Light Bracket featuring Glo Watermelon LED options and a clamp-on design. Built from 304-grade stainless steel, this heavy-duty bracket is...
    PPR_204334
    SKU:
    PPR_204334
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Shape Options:
    Round
    Make:
    Universal Items
    Style Options:
    Watermelon
    Finish Options:
    Polished
    Product Type:
    Lighting
    $97.99 - $297.99
    Qty in Cart: 0
    Price:
    $97.99 - $297.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Coiled 1/4 Inch Air Line For 5th Wheel Air Slide Cylinder With Fittings

    TPHD Coiled 1/4 Inch Air Line For 5th Wheel Air Slide Cylinder With Fittings

    TPHD

    $19.76
    Improve reliability in your fifth wheel air system with this coiled 1/4-inch air line designed for 5th wheel air slide cylinder applications with fittings included. Built with a coiled construction,...
    PPR_204189
    SKU:
    PPR_204189
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Diameter Options:
    1/4 Inch
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $19.76
    Qty in Cart: 0
    Price:
    $19.76
    Subtotal:
  • 3-3/8 Inch Pivot Tube - 2.0 Inch OD

    3-3/8 Inch Pivot Tube - 2.0 Inch OD

    AFTERMARKET

    $78.99 - $83.99
    This 3-3/8 inch pivot tube with a 2.0-inch outer diameter is designed for heavy-duty truck and custom fabrication applications where precise fitment and durability are important. Manufactured as a...
    PPR_203808
    SKU:
    PPR_203808
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $78.99 - $83.99
    Qty in Cart: 0
    Price:
    $78.99 - $83.99
    Subtotal:
  • Smooth Aluminum Step Box W/ Wide Opening Lid

    Smooth Aluminum Step Box W/ Wide Opening Lid

    BUYERS PRODUCTS

    $728.99 - $1,016.99
    Optimize your rig with this smooth aluminum step box with a wide opening lid, measuring 23.31 x 28.5 inches. Built from corrosion-resistant aluminum, this aftermarket step box is designed for...
    PPR_203645
    SKU:
    PPR_203645
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Finish Options:
    Smooth
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Width Options:
    48 Inch
    Length Options:
    29 Inch
    Height Options:
    40 Inch
    $728.99 - $1,016.99
    Qty in Cart: 0
    Price:
    $728.99 - $1,016.99
    Subtotal:
  • Retractable 2 Rung Truck Step - 17.375 Inch Wide X 30.25 Inch Height

    Retractable 2 Rung Truck Step - 17.375 Inch Wide X 30.25 Inch Height

    BUYERS PRODUCTS

    $121.99 - $142.99
    Make cab access easier with this retractable 2-rung truck step. Measuring 17.375 inches wide by 30.25 inches high, this compact step provides two non-slip treads for added footing while climbing in...
    PPR_203467
    SKU:
    PPR_203467
    Truck Class:
    Universal
    Height Options:
    30 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Color:
    Black
    Color:
    Yellow
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $121.99 - $142.99
    Qty in Cart: 0
    Price:
    $121.99 - $142.99
    Subtotal:
  • Retractable 3 Rung Truck Step - 17.375 Inch Wide X 35 Inch Height

    Retractable 3 Rung Truck Step - 17.375 Inch Wide X 35 Inch Height

    BUYERS PRODUCTS

    $130.99 - $149.99
    Step into your rig with this 17.38 x 35 inch retractable 3-rung truck step. Built from carbon steel with a black powder-coated finish, it offers a durable structure intended for regular use in...
    PPR_203466
    SKU:
    PPR_203466
    Truck Class:
    Universal
    Height Options:
    35 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $130.99 - $149.99
    Qty in Cart: 0
    Price:
    $130.99 - $149.99
    Subtotal:
  • 1/4 Inch Thick Self-Lubricating Polymer 5th Wheel Trailer Slick Plate

    1/4 Inch Thick Self-Lubricating Polymer 5th Wheel Trailer Slick Plate

    MINIMIZER

    $336.99 - $917.99
    This 1/4-inch thick self-lubricating polymer 5th wheel trailer slick plate is designed as a practical solution for reducing friction between the tractor fifth wheel and trailer upper coupler. Built...
    PPR_203465
    SKU:
    PPR_203465
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $336.99 - $917.99
    Qty in Cart: 0
    Price:
    $336.99 - $917.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Camshafts 1.5 Inch-10 For Hendrickson INTRAAX W/ 16.5 Inch HXS

    BESTfit Camshafts 1.5 Inch-10 For Hendrickson INTRAAX W/ 16.5 Inch HXS

    BESTFIT TRUCK PARTS

    $36.39
    Keep your Hendrickson INTRAAX suspension operating smoothly with these BESTfit 1.5-inch 10-spline camshafts designed for 16.5-inch HXS applications. Available for both driver and passenger sides,...
    PPR_203419
    SKU:
    PPR_203419
    Truck Class:
    Universal
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $36.39
    Qty in Cart: 0
    Price:
    $36.39
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Rubber Brake Hose 1/2 Inch With 3/8 MPT Swivel Ends

    TPHD Rubber Brake Hose 1/2 Inch With 3/8 MPT Swivel Ends

    TPHD

    $13.21 - $31.96
    The TPHD Rubber Brake Hose is designed for heavy-duty brake system applications. It features a 1/2-inch rubber hose construction paired with 3/8-inch MPT swivel ends on both sides, which helps...
    PPR_202884
    SKU:
    PPR_202884
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $13.21 - $31.96
    Qty in Cart: 0
    Price:
    $13.21 - $31.96
    Subtotal:
  • On Sale
    Limited Quantity Available
    Roadworks Stainless Steel Step Plate Tape Mount 4 Inch Wide X 1/2 Inch Tall

    Roadworks Stainless Steel Step Plate Tape Mount 4 Inch Wide X 1/2 Inch Tall

    ROADWORKS

    $69.26 - $181.99
    Make your ride stand out with this step plate, constructed from high-quality 430 stainless steel. Designed with a tape-mount system, it allows for straightforward installation without complex...
    PPR_202812
    SKU:
    PPR_202812
    Truck Class:
    Universal
    Location:
    Made In USA
    Width Options:
    4 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $69.26 - $181.99
    Qty in Cart: 0
    Price:
    $69.26 - $181.99
    Subtotal:
  • Total: items /

Adding your products to cart

Shop for GMC TopKick Frame & Chassis Parts. Keep your GMC TopKick in top shape with frame, chassis, suspension, and brake parts that are built to last. From rugged aluminum fuel tanks and frame steps to heavy-duty brakes and suspension upgrades, we've got what you need to maintain or customize your rig. These parts are used on other popular truck brands Mack, Kenworth, and Peterbilt, delivering enhanced durability and a reliable performance. Whether it's routine maintenance or a custom build, you'll find the right gear to get the job done.

Frequently Asked Questions About GMC TopKick Truck Frame & Chassis

What components are included in a truck frame and chassis?

This category covers the structural frame rails and chassis components that form the backbone of your GMC TopKick, including frame sections, crossmembers, and related mounting hardware. These parts support the cab, bed, drivetrain, and suspension systems, so quality and proper fitment are critical.

How do I know if a frame or chassis part will fit my specific GMC TopKick model year?

Frame and chassis components can vary by wheelbase, cab configuration, and model year, so it is important to have your VIN and truck specifications on hand when ordering. If you are unsure about fitment, reach out to our parts specialists before purchasing to confirm compatibility with your specific TopKick setup.

Are these frame and chassis parts new, used, or reconditioned?

We offer a mix of new, used, and reconditioned frame and chassis parts depending on availability. Each listing specifies the condition of the part, and used components are inspected for structural integrity before being made available for sale.

What should I check before installing a replacement frame or chassis component?

Before installation, inspect the part for any shipping damage, verify that mounting holes and dimensions match your existing setup, and check for rust or corrosion if the part is used. Frame and chassis work often requires proper lifting equipment and alignment checks, so we recommend having the installation performed by a qualified technician familiar with medium-duty truck frames.

Will replacing a frame or chassis component affect my truck's structural integrity or warranty?

Frame and chassis parts are structural, so proper installation and alignment are essential to maintaining your truck's safety and performance. If your truck is still under any manufacturer or aftermarket warranty, check with the warranty provider before making frame modifications, as structural repairs or replacements can sometimes impact coverage.


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