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Isuzu NPR / HD Truck Frame & Chassis

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Air Adjusted Couplings Replacement Part Kit

    Air Adjusted Couplings Replacement Part Kit

    PREMIER

    $135.99
    Air Adjusted Couplings Replacement Part Kit* High Quality Couplings Replacement Parts Kit* Includes: - Spring - Thimble - Bolt - Locknut And Shoe* Made In USA* Sold Individually* Warranty On...
    09-051100649
    SKU:
    09-051100649
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $135.99
    Qty in Cart: 0
    Price:
    $135.99
    Subtotal:
  • 100 Series SAF - Tite Slack Reducing Coupling Replacement Kit

    100 Series SAF - Tite Slack Reducing Coupling Replacement Kit

    PREMIER

    $123.99
    100 Series SAF - Tite Slack Reducing Coupling Replacement Kit* High Quality Couplings Replacement Parts Kit* Includes:  - Bolts - Locknuts - Latch And Latch Lock - Springs - Bushings* Made In USA*...
    09-051100648
    SKU:
    09-051100648
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $123.99
    Qty in Cart: 0
    Price:
    $123.99
    Subtotal:
  • 1 Inch To 3/4 Inch Yellow Zinc-Plated Steel Trailer Ball Reducer Bushing

    1 Inch To 3/4 Inch Yellow Zinc-Plated Steel Trailer Ball Reducer Bushing

    CURT MANUFACTURING

    $2.69
    1 Inch To 3/4 Inch Trailer Ball Reducer BushingEnsure a secure and proper fit with this 1 Inch to 3/4 Inch Yellow Zinc-Plated Steel Trailer Ball Reducer Bushing. Designed for durability and...
    09-051100506
    SKU:
    09-051100506
    Color:
    Yellow
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Product Type:
    Frame & Chassis
    $2.69
    Qty in Cart: 0
    Price:
    $2.69
    Subtotal:
  • On Sale
    Limited Quantity Available
    Aluminum 5th Wheel Kingpin Lock For 2 Inch Diameter Pin

    Aluminum 5th Wheel Kingpin Lock For 2 Inch Diameter Pin

    CURT MANUFACTURING

    Now: $29.96
    Was: $59.29
    Aluminum 5th Wheel Kingpin Lock* High Quality 5th Wheel Kingpin Lock* Made Of Aluminum* Fits 2 Inch Diameter 5th Wheel Kingpins* Helps Deter Trailer Theft* Universal Design Fits Most 5th Wheel...
    09-051100385
    SKU:
    09-051100385
    Truck Class:
    Universal
    Location:
    Made In USA
    Color:
    Black
    Material Options:
    Aluminum
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Product Type:
    Frame & Chassis
    Diameter Options:
    2 Inch
    Now: $29.96
    Was: $59.29
    Qty in Cart: 0
    Price:
    Now: $29.96
    Was: $59.29
    Subtotal:
  • FREE SHIPPING OVER $249
    Outboard Spring Stop For Holland Center Section - Replaces XA-01586

    Outboard Spring Stop For Holland Center Section - Replaces XA-01586

    OPP - ORIGINAL PARTS PROGRAM

    $21.50
    Outboard Spring Stop For Holland Center Section* High Quality Outboard Spring Stop* For Holland Center Section * Made In USA* Sold Individually ** Warranty On Outboard Spring Stop Against Defects In...
    09-05110017
    SKU:
    09-05110017
    Position:
    Center
    Truck Class:
    Heavy Duty
    Color:
    Black
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $21.50
    Qty in Cart: 0
    Price:
    $21.50
    Subtotal:
  • FREE SHIPPING OVER $249
    Inboard Spring Stop For Holland Center Sections - Replaces XA-2501

    Inboard Spring Stop For Holland Center Sections - Replaces XA-2501

    OPP - ORIGINAL PARTS PROGRAM

    $8.29
    Inboard Spring Stop For Holland Center Sections* High Quality Inboard Spring Stop* For Holland Center Sections* Made In USA* Sold Individually ** Warranty On Inboard Spring Stop Against Defects In...
    09-05110016
    SKU:
    09-05110016
    Color:
    Black
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $8.29
    Qty in Cart: 0
    Price:
    $8.29
    Subtotal:
  • FREE SHIPPING OVER $249
    Holland Center Section Rebuild Components For Holland XA-2503

    Holland Center Section Rebuild Components For Holland XA-2503

    OPP - ORIGINAL PARTS PROGRAM

    $10.09
    Holland Center Section Rebuild Components* High Quality Holland Center Section Rebuild Components * Made Of Forged Steel * Heat Treated For Increased Durability * Material and Performance Tests...
    09-05110014
    SKU:
    09-05110014
    Truck Class:
    Heavy Duty
    Position:
    Center
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $10.09
    Qty in Cart: 0
    Price:
    $10.09
    Subtotal:
  • Oval Release Handle For Fontaine 5th Wheels

    Oval Release Handle For Fontaine 5th Wheels

    AUTOMANN USA

    $35.97
    Oval Release Handle For Fontaine 5th WheelsEnsure precise trailer operation with the Oval Release Handle For Fontaine 5th Wheels, a durable, high-quality handle built for consistent performance...
    09-05110013
    SKU:
    09-05110013
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $35.97
    Qty in Cart: 0
    Price:
    $35.97
    Subtotal:
  • FREE SHIPPING
    Jost 5th Wheel Bushing For Freightliner

    Jost 5th Wheel Bushing For Freightliner

    JOST

    $343.99
    Jost 5th Wheel Bushing Fits Freightliner* High Quality Bushing Kit* Fits Jost 5th Wheel* Rubber Bushing* Sold As A Kit* Warranty On Bushing Kits Against Defects In Workmanship & Material From Date Of...
    09-05110009
    SKU:
    09-05110009
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $343.99
    Qty in Cart: 0
    Price:
    $343.99
    Subtotal:
  • Jost 5th Wheel Top Plate Replacement - JSK37USL

    Jost 5th Wheel Top Plate Replacement - JSK37USL

    JOST

    $1,733.99
    JSK37H Replacement Top PlateJOST replacement top plates offer additional safety, security, and significant time and money in overall product cost. It features an easy-to-use pull handle to reduce...
    09-05110006
    SKU:
    09-05110006
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1,733.99
    Qty in Cart: 0
    Price:
    $1,733.99
    Subtotal:
  • FREE SHIPPING OVER $249
    JOST 5th Wheel Adjusting Screw

    JOST 5th Wheel Adjusting Screw

    JOST

    $88.99
    5th Wheel Adjusting Screw* High Quality 5th Wheel Adjusting Screw* Sold Individually* Warranty On 5th Wheel Adjusting Screw Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-05110005
    SKU:
    09-05110005
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $88.99
    Qty in Cart: 0
    Price:
    $88.99
    Subtotal:
  • FREE SHIPPING OVER $249
    JOST 5th Wheel Hand Lever - Driver Side

    JOST 5th Wheel Hand Lever - Driver Side

    AUTOMANN USA

    $54.99
    Driver Side 5th Wheel LeverDepend on precise fifth wheel control with the JOST 5th Wheel Hand Lever - Driver Side. Designed for driver side pull operation, this durable hand lever ensures smooth...
    09-05110004
    SKU:
    09-05110004
    Truck Class:
    Heavy Duty
    Position:
    Driver Side
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • FREE SHIPPING OVER $249
    6 Inch Raw Steel Receiver Tubing W/ 1/2 Inch Reinforcing Collar For 2 X 2 Inch Receiver

    6 Inch Raw Steel Receiver Tubing W/ 1/2 Inch Reinforcing Collar For 2 X 2 Inch Receiver

    CURT MANUFACTURING

    $26.89
    Raw Steel 6 Inch Receiver Tubing W/ 1/2 Inch Reinforcing CollarBuild or repair your towing setup with this high-quality receiver tubing engineered for strength and versatility. Designed for 2" x 2"...
    09-051100030
    SKU:
    09-051100030
    Location:
    Made In USA
    Height Options:
    2 Inch
    Truck Class:
    Universal
    Length Options:
    6 Inch
    Width Options:
    2 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Product Type:
    Frame & Chassis
    $26.89
    Qty in Cart: 0
    Price:
    $26.89
    Subtotal:
  • Minimizer Jost 5th Wheel Slick Plate 31.5 X 35 Inch - Replaces JSK37H

    Minimizer Jost 5th Wheel Slick Plate 31.5 X 35 Inch - Replaces JSK37H

    MINIMIZER

    $329.99
    Minimizer Jost 5th Wheel Slick Plate Kit For JSK37H5th wheel slick plate kits that a non-stick polymer surface to eliminate the need for grease. Fit for a Jost top plate JSK37H, it protects important...
    09-05110002
    SKU:
    09-05110002
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $329.99
    Qty in Cart: 0
    Price:
    $329.99
    Subtotal:
  • FREE SHIPPING OVER $249
    10 Inch 5th Wheel Hitch Lube Plate

    10 Inch 5th Wheel Hitch Lube Plate

    CURT MANUFACTURING

    $16.79
    5th Wheel Lubrication Plate- 10 InchProtect your 5th wheel hitch head with this wear-resistant lube plate. No more messy grease - just press it onto the kingpin for easy installation. Perfect for...
    09-051100017
    SKU:
    09-051100017
    Color:
    White
    Location:
    Made In USA
    Diameter Options:
    10 Inch
    Truck Class:
    Light Duty
    Shape Options:
    Round
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Product Type:
    Frame & Chassis
    $16.79
    Qty in Cart: 0
    Price:
    $16.79
    Subtotal:
  • FREE SHIPPING
    Air Cylinder For Jost 5th Wheel Slider Replaces SK7501501

    Air Cylinder For Jost 5th Wheel Slider Replaces SK7501501

    AUTOMANN USA

    $260.99
    Jost Air Cylinder* High Quality Air Cylinder* For Jost 5th Wheel Slider* 15.5 Inch C-C Of Mounting Holes* Replaces OEM # SK7501501, SK75015-01* Sold Individually* Warranty On Air Cylinder Against...
    09-051100016
    SKU:
    09-051100016
    Length Options:
    15 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $260.99
    Qty in Cart: 0
    Price:
    $260.99
    Subtotal:
  • Jost 5th Wheel Pin Bracket Kit

    Jost 5th Wheel Pin Bracket Kit

    JOST

    $470.99
    Jost 5th Wheel Pin Bracket Kit* High Quality 5th Wheel Pin Bracket Kits* Kit Includes: - 2 Fifth Wheel Bushing Jost  - 2 Collar Nylon Jost - 1 Fifth Wheel Kit Without Bushings Jost * Sold As Set*...
    09-051100011
    SKU:
    09-051100011
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $470.99
    Qty in Cart: 0
    Price:
    $470.99
    Subtotal:
  • 5th Wheel Slick Plate For Jost JSK37F Top Plate

    5th Wheel Slick Plate For Jost JSK37F Top Plate

    MINIMIZER

    $323.99
    JSK37F Jost 5th Wheel Slick Plate5th wheel slick plate kits feature a non-stick polymer surface to eliminate the need for grease. Fit for a JOST top plate JSK37F, it protects important areas from...
    09-05110001
    SKU:
    09-05110001
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $323.99
    Qty in Cart: 0
    Price:
    $323.99
    Subtotal:
  • Stationary Foot Mount For Holland FW 5th Wheels

    Stationary Foot Mount For Holland FW 5th Wheels

    OPP - ORIGINAL PARTS PROGRAM

    $762.99
    Stationary Foot Mount For Holland FW 5th Wheels* High Quality Foot Mount* Made Of Cast Steel * Stationary * To Achieve A 9 Inch Fame To Top Of Plate Height * Features 3/8 inch Bracket Base Designed...
    09-051100008
    SKU:
    09-051100008
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $762.99
    Qty in Cart: 0
    Price:
    $762.99
    Subtotal:
  • Lime Green Quilted 5th Wheel Cover For Holland 5th Wheel

    Lime Green Quilted 5th Wheel Cover For Holland 5th Wheel

    ROBERT JAMES ENTERPRISES

    $181.99
    Quilted Vinyl Lime Green 5th Wheel Cover4 State Trucks offers this high quality lime green 5th wheel cover by Robert James Enterprises. It is made of a heavy duty quilted vinyl and is easy to mount...
    09-051100006
    SKU:
    09-051100006
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Vinyl
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $181.99
    Qty in Cart: 0
    Price:
    $181.99
    Subtotal:
  • Total: items /

Adding your products to cart

Find Aftermarket Frame & Chassis Parts for the Isuzu NPR/HD Truck Model! You can keep your Isuzu NPR or NPR-HD in top shape with quality frame, chassis, and suspension parts. From brakes, axles, and leaf springs to air ride systems and steering components, we've got you covered. Looking for cab upgrades? Check out visors, fairings, and sleeper accessories to enhance style and function. Whether it's repairs, maintenance, or upgrades, you'll find the parts you need to keep your truck road-ready and performing at its best.

Frequently Asked Questions About Isuzu NPR / HD Truck Frame & Chassis

What components are included in the frame and chassis category?

This category covers structural and chassis-related parts for Isuzu NPR and NPR-HD trucks, including frame rails, crossmembers, frame reinforcement plates, chassis brackets, and related mounting hardware. These are the components that make up the backbone of the truck, supporting the cab, body, and drivetrain.

How do I know if a frame or chassis part will fit my specific Isuzu NPR or NPR-HD model year?

Frame and chassis dimensions can vary by model year, cab configuration, and wheelbase, so it is important to verify fitment using your truck's VIN or chassis specifications before ordering. If you are unsure, our team can help you confirm compatibility so you get the correct part the first time.

Can I repair a damaged or rusted frame section instead of replacing the entire frame?

In many cases, yes. Frame reinforcement plates, sister sections, and crossmember replacements are common solutions for localized damage or corrosion, and they can be more cost-effective than a full frame replacement. However, the right approach depends on the extent and location of the damage, so it is a good idea to have a qualified technician inspect the frame first.

What material and finish should I expect on these frame and chassis parts?

Most frame and chassis components are made from heavy-gauge steel designed to handle structural loads, and many come with a protective coating such as primer or paint to help resist corrosion. Finish quality can vary between manufacturers, so check the product listing for specific coating details before purchasing.

Does replacing or repairing frame and chassis components affect my truck's warranty or DOT compliance?

Structural repairs and replacements can affect DOT inspection outcomes if not done correctly, since frame integrity is a checked item during inspections. Work on frame and chassis components should be performed by a qualified technician following proper welding and safety procedures, and any original manufacturer warranty considerations should be reviewed before starting repairs.


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