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Isuzu NPR / HD Trucks

Isuzu NPR-HD semi trucks are a regular sight on the highway so make yours stands out with custom, chrome, and aftermarket parts from 4 State Trucks. When you drive a Isuzu NPR-HD semi truck, you're going to enjoy a fuel efficient, safe ride in a truck that's rated as one of the best in the industry. Make your rig your own - whether you need aftermarket or chrome parts like bumpers, exhaust, seating, steering or fenders, 4 State Trucks has you covered. Hit the open road in style and comfort with the best custom gear for your Isuzu.
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  • Roadworks Stainless Steel Channel W/ Length & Round Light Hole Options

    Roadworks Stainless Steel Channel W/ Length & Round Light Hole Options

    ROADWORKS

    $20.07 - $36.54
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks 6.5 Inch Stainless Steel Channel W/ 1 Round 4 inch Light Hole6.5 Inch Stainless Steel Channel...
    PPR_301352
    SKU:
    PPR_301352
    Height Options:
    6 1/2 Inch
    Location:
    Made In USA
    Length Options:
    13 Inch
    Material Options:
    Stainless Steel
    Product Type:
    Lighting
    Light Options:
    Without Lights
    Length Options:
    6 1/2 Inch
    Make:
    Universal Items
    $20.07 - $36.54
    Qty in Cart: 0
    Price:
    $20.07 - $36.54
    Subtotal:
  • Roadwork Stainless Steel Channel W/ Supernova Light Hole & Length Options

    Roadwork Stainless Steel Channel W/ Supernova Light Hole & Length Options

    ROADWORKS

    $13.84 - $135.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks 6.75 Inch Stainless Steel Channel W/ Supernova Light Hole6.75 Inch Stainless Steel Channel W/...
    PPR_301348
    SKU:
    PPR_301348
    Length Options:
    18 Inch
    Length Options:
    60 Inch
    Length Options:
    30 Inch
    Material Options:
    Stainless Steel
    Length Options:
    94 Inch
    Product Type:
    Lighting
    Style Options:
    Supernova
    Height Options:
    3 1/2 Inch
    Length Options:
    36 Inch
    Length Options:
    6 3/4 Inch
    Light Options:
    Without Lights
    Location:
    Made In USA
    Make:
    Universal Items
    $13.84 - $135.99
    Qty in Cart: 0
    Price:
    $13.84 - $135.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Multi Color Function Rigid Strip W/ 7 Selectable Colors & Length Options

    Multi Color Function Rigid Strip W/ 7 Selectable Colors & Length Options

    MAXXIMA

    $61.99 - $117.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksMulti Color Function Rigid Strip 12 Inch W/ 7 Selectable Colors & 33 LEDs12 Inch Multi Color Function...
    PPR_301232
    SKU:
    PPR_301232
    Height Options:
    114 Inch
    Product Type:
    Lighting
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $61.99 - $117.99
    Qty in Cart: 0
    Price:
    $61.99 - $117.99
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  • Stainless Steel 30 Inch Mud Flap Hanger Spring Loaded W/ Optional Bolt Spacing

    Stainless Steel 30 Inch Mud Flap Hanger Spring Loaded W/ Optional Bolt Spacing

    TRUX ACCESSORIES

    $127.99 - $163.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks & TrailersStainless Steel Mud Flap Hangers 30 X 5.5 Inch W/ 1.125 Inch Bolt SpacingMud Flap Hangers 30...
    PPR_301248
    SKU:
    PPR_301248
    Finish Options:
    Mirror
    Material Options:
    Stainless Steel
    Product Type:
    Mud Flaps
    Width Options:
    30 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $127.99 - $163.99
    Qty in Cart: 0
    Price:
    $127.99 - $163.99
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  • Merritt Aluminum Cab Rack W/ Jail Bar Window & 2 Side Enclosures 86 X 68 X 9 Inch

    Merritt Aluminum Cab Rack W/ Jail Bar Window & 2 Side Enclosures 86 X 68 X 9 Inch

    MERRITT

    $5,806.99
    Diamond Plated Aluminum Cab Rack W/ 2 Chain Hangers* High Quality Cab Rack* Made Of Aluminum* Includes:  - Diamond Plated Body  - Jail Bar Window  - (2) Side Enclosures  - (2) Chain Hangers*...
    319381M0086
    SKU:
    319381M0086
    Product Type:
    Exterior
    Location:
    Made In USA
    Height Options:
    68 Inch
    Finish Options:
    Diamond Plate
    Width Options:
    86 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $5,806.99
    Qty in Cart: 0
    Price:
    $5,806.99
    Subtotal:
  • Merritt Aluminum Cab Rack W/ Radius Corners & Jail Bar Window 70 X 68 Inch

    Merritt Aluminum Cab Rack W/ Radius Corners & Jail Bar Window 70 X 68 Inch

    MERRITT

    $3,318.99
    Diamond Plated Aluminum Cab Rack W/ 2 Split Trays/Lids & 4 Inch Tall Foot Assembly* High Quality Cab Rack* Made Of Aluminum* Includes:  - Diamond Plated Body  - Radius Corners  - 4 Inch Tall Foot...
    317367C0446
    SKU:
    317367C0446
    Product Type:
    Exterior
    Material Options:
    Aluminum
    Location:
    Made In USA
    Height Options:
    68 Inch
    Finish Options:
    Diamond Plate
    Width Options:
    70 Inch
    Make:
    Universal Items
    $3,318.99
    Qty in Cart: 0
    Price:
    $3,318.99
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  • Merritt Aluminum Tool Box Kit W/ Black Textured Double Doors 60 X 18 X 18 Inch

    Merritt Aluminum Tool Box Kit W/ Black Textured Double Doors 60 X 18 X 18 Inch

    MERRITT

    $2,095.99
    60 X 18 X 18 Inch Aluminum Tool Box Kit W/ Black Textured Double Doors By Merritt* High Quality Tool Box Kit* Made Of Aluminum* Includes:  - Aluminum Smooth Body  - Black Textured Double Doors*...
    291TBK
    SKU:
    291TBK
    Product Type:
    Toolboxes
    Length Options:
    60 Inch
    Width Options:
    18 Inch
    Height Options:
    18 Inch
    Position:
    Kit Full
    Material Options:
    Aluminum
    Location:
    Made In USA
    Make:
    Universal Items
    $2,095.99
    Qty in Cart: 0
    Price:
    $2,095.99
    Subtotal:
  • Roadworks Stainless Steel Hubcover 22.5 Inch W/ Disk Dana-Spicer Hubcover, Chrome Plastic Nut Covers & Mounting Hardware

    Roadworks Stainless Steel Hubcover 22.5 Inch W/ Disk Dana-Spicer Hubcover, Chrome Plastic Nut Covers & Mounting Hardware

    ROADWORKS

    $200.99
    Stainless Steel Hubcover 22.5 Inch W/ Disk Dana-Spicer Hubcover, Chrome Plastic Nut Covers & Mounting Hardware By Roadworks* High Quality Hubcover* Made Of 304 Stainless Steel* Polished Finish* For...
    29-2003030
    SKU:
    29-2003030
    Product Type:
    Wheels
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Finish Options:
    Polished
    Make:
    Universal Items
    $200.99
    Qty in Cart: 0
    Price:
    $200.99
    Subtotal:
  • Roadworks Stainless Steel Hubcover 22.5 Inch W/ Disk Dana-Spicer Hubcover & Mounting Hardware For Disk Hubcovers

    Roadworks Stainless Steel Hubcover 22.5 Inch W/ Disk Dana-Spicer Hubcover & Mounting Hardware For Disk Hubcovers

    ROADWORKS

    $184.99
    Stainless Steel Hubcover 22.5 Inch W/ Disk Dana-Spicer Hubcover & Mounting Hardware By Roadworks Fits Disk Hubcovers* High Quality Hubcover* Made Of 304 Stainless Steel* Polished Finish* For Disk...
    29-2003029
    SKU:
    29-2003029
    Product Type:
    Wheels
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Universal Items
    $184.99
    Qty in Cart: 0
    Price:
    $184.99
    Subtotal:
  • Roadworks Stainless Steel Hubcover 24.5 Inch

    Roadworks Stainless Steel Hubcover 24.5 Inch

    ROADWORKS

    $182.99
    * High Quality Hubcover* Made Of 304 Stainless Steel* Polished Finish* For Disk Hubcovers* Includes:  - Disk Dana-Spicer Hub Cover  - Mounting Hardware * 24.5 Inch Diameter Disk* Sold Individually*...
    29-2003031
    SKU:
    29-2003031
    Product Type:
    Wheels
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $182.99
    Qty in Cart: 0
    Price:
    $182.99
    Subtotal:
  • Roadworks Stainless Steel Hubcover W/ Flame Dana-Spicer Hubcover & Mounting Hardware For Flame Drive Axle Hubcovers

    Roadworks Stainless Steel Hubcover W/ Flame Dana-Spicer Hubcover & Mounting Hardware For Flame Drive Axle Hubcovers

    ROADWORKS

    $114.99
    Stainless Steel Hubcover W/ Flame Dana-Spicer Hubcover & Mounting Hardware By Roadworks Fits Flame Drive Axle Hubcovers* High Quality Hubcover* Made Of 304 Stainless Steel* Polished Finish* For Flame...
    29-2003027
    SKU:
    29-2003027
    Product Type:
    Wheels
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $114.99
    Qty in Cart: 0
    Price:
    $114.99
    Subtotal:
  • Outer Spindle Nut 4 Inch A/F & 3.25 Inch 12 Thread

    Outer Spindle Nut 4 Inch A/F & 3.25 Inch 12 Thread

    AFTERMARKET

    $43.85
    4 Inch A/F Outer Spindle Nut 3.25 Inch 12 Thread* High Quality Outer Spindle Nut* Dimensions:  - 4.00 Inch A/F  - 3.25 Inch - 12 Thread  - 0.38 Inch Thick* Sold Individually* Warranty On Outer...
    29-203301
    SKU:
    29-203301
    Product Type:
    Wheels
    Make:
    Universal Items
    $43.85
    Qty in Cart: 0
    Price:
    $43.85
    Subtotal:
  • 32 X 79 Inch Mattress W/ 7 Inch Base Height & 1 Inch C-Gell Height

    32 X 79 Inch Mattress W/ 7 Inch Base Height & 1 Inch C-Gell Height

    DESIGNS INTERNATIONAL

    $302.99
    Mattress 32 X 79 Inch W/ 7 Inch Base Height & 1 Inch C-Gell Height* High Quality Mattress* Includes:  - 7 Inch Base Height  - 1 Inch C-Gell Height* Dimensions:  - 32 Inch Length Of The Truck  - 79...
    29-1545007
    SKU:
    29-1545007
    Product Type:
    Interior
    Height Options:
    8 Inch
    Width Options:
    79 Inch
    Length Options:
    32 Inch
    Make:
    Universal Items
    $302.99
    Qty in Cart: 0
    Price:
    $302.99
    Subtotal:
  • Roadworks Stainless Steel Hubcover W/ Super-Hub Dana-Spicer Hubcover & Mounting Hardware For Super-Hub Drive Axle Hubcovers

    Roadworks Stainless Steel Hubcover W/ Super-Hub Dana-Spicer Hubcover & Mounting Hardware For Super-Hub Drive Axle Hubcovers

    ROADWORKS

    $165.99
    Stainless Steel Hubcover W/ Super-Hub Dana-Spicer Hubcover & Mounting Hardware By Roadworks Fits Super-Hub Drive Axle Hubcovers* High Quality Hubcover* Made Of 304 Stainless Steel* Polished Finish*...
    29-2003028
    SKU:
    29-2003028
    Product Type:
    Wheels
    Location:
    Made In USA
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $165.99
    Qty in Cart: 0
    Price:
    $165.99
    Subtotal:
  • Fifth Wheel Mounting Rail 55 X 3 X 4 Inch

    Fifth Wheel Mounting Rail 55 X 3 X 4 Inch

    OPP - ORIGINAL PARTS PROGRAM

    $326.99
    55 X 3 X 4 Inch Fifth Wheel Mounting Rail* High Quality Fifth Wheel Mounting Rail* Includes:  - (2) 5th Wheel Mounting Angle Brackets* Dimensions:  - 55 Inch Length  - 3 Inch Width  - 4 Inch Height ...
    29-051100033
    SKU:
    29-051100033
    Product Type:
    Frame & Chassis
    Length Options:
    55 Inch
    Height Options:
    4 Inch
    Width Options:
    3 Inch
    Location:
    Made In USA
    Make:
    Universal Items
    $326.99
    Qty in Cart: 0
    Price:
    $326.99
    Subtotal:
  • Ridewell Bushing Replacement Kit W/ Hardware

    Ridewell Bushing Replacement Kit W/ Hardware

    RIDEWELL

    $276.99
    Bushing Replacement Kit W/ Hardware By Ridewell* High Quality Bushing Replacement Kit* Used For Light Trac Lift Axle Air Suspension (Not Included)* Includes:  - (2) Kits (1 Per Axle)  - Needed...
    29-05100584
    SKU:
    29-05100584
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Location:
    Made In USA
    Make:
    Universal Items
    $276.99
    Qty in Cart: 0
    Price:
    $276.99
    Subtotal:
  • Bug Screen Hardware W/ 12 Pull DOT Fasteners For BS-4900 Abstract Bug Screen

    Bug Screen Hardware W/ 12 Pull DOT Fasteners For BS-4900 Abstract Bug Screen

    ROBERT JAMES ENTERPRISES

    $34.32
    Bug Screen Hardware W/ 12 Pull DOT Fasteners By Robert James Enterprises* High Quality Bug Screen Hardware* Hardware Kit For BS-4900 Abstract Bug Screen* (12) Pull DOT Fasteners* Sold Individually*...
    29-120904
    SKU:
    29-120904
    Product Type:
    Hood Parts & Acc.
    Position:
    Kit Full
    Make:
    Universal Items
    $34.32
    Qty in Cart: 0
    Price:
    $34.32
    Subtotal:
  • Stainless Steel 4 Inch Fuel Tank Strap Cover

    Stainless Steel 4 Inch Fuel Tank Strap Cover

    AFTERMARKET

    $56.99
    4 Inch Fuel Tank Strap Cover Stainless Steel* High Quality Fuel Tank Strap Cover* Made Of 20 Gauge 304 Stainless Steel* #8 Mirror Finish* 4 Inch Width* Sold Individually* Warranty On Fuel Tank Strap...
    29-06010023
    SKU:
    29-06010023
    Product Type:
    Fuel Tanks
    Finish Options:
    Polished
    Width Options:
    4 Inch
    Size Options:
    20 Gauge
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • NOX Sensor W/ Sensor Thread & Interface Module Replaces 2894945, 5293295RX & 2872297 For Cummins ISB

    NOX Sensor W/ Sensor Thread & Interface Module Replaces 2894945, 5293295RX & 2872297 For Cummins ISB

    AFTERMARKET

    $340.99
    NOX Sensor W/ Interface Module & Sensor Thread Fits Cummins ISB Replaces 2894945, 5293295RX & 2872297* High Quality NOX Sensor* Includes:  - Sensor Body  - Make-Specific Connector  - Interface...
    29-08060033
    SKU:
    29-08060033
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $340.99
    Qty in Cart: 0
    Price:
    $340.99
    Subtotal:
  • Roadworks 94 X 4 Inch Stainless Steel Full Bumper Bar W/ 14 Round 2 Inch Amber Beehive LEDs & Amber Lens

    Roadworks 94 X 4 Inch Stainless Steel Full Bumper Bar W/ 14 Round 2 Inch Amber Beehive LEDs & Amber Lens

    ROADWORKS

    $375.99
    94 X 4 Inch Stainless Steel Full Bumper Bar W/ 14 Round 2 Inch Amber Beehive LEDs & Amber Lens By Roadworks* High Quality Full Bumper Bar* Made Of 430 Stainless Steel* Tabbed Top Lip On Ends*...
    09-010600195
    SKU:
    09-010600195
    Height Options:
    4 Inch
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Length Options:
    94 Inch
    Product Type:
    Bumpers
    Light Options:
    Without Lights
    Make:
    Universal Items
    $375.99
    Qty in Cart: 0
    Price:
    $375.99
    Subtotal:
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Adding your products to cart

Frequently Asked Questions About Isuzu NPR / HD Trucks

What year models are compatible with your Isuzu NPR/HD replacement parts?

Our parts are designed to fit Isuzu NPR and NPR-HD models from 1995 through current production years. The most common fitments include 2008-2021 NPR/NPR-HD models with the standard cab configuration. For pre-2008 models or specific cab-over-engine variants, we recommend checking the individual product descriptions or contacting our team with your OEM to ensure proper fitment. Note that gas and diesel models may have different part requirements, particularly for exhaust and engine components.

Are aftermarket bumpers as durable as OEM, and what materials are they made from?

Quality aftermarket bumpers for NPR trucks are typically constructed from 14-16 gauge steel, matching or exceeding OEM specifications. Most feature a three-stage coating process: e-coat primer, powder coat base, and UV-resistant topcoat to prevent rust and fading. Chrome bumpers undergo triple-plating (copper, nickel, chrome) for long-lasting shine. While budget options exist, we stock bumpers that meet DOT standards and carry warranties ranging from 1-3 years. Look for bumpers with reinforced mounting brackets and pre-drilled holes that align with factory mounting points.

How difficult is it to install replacement parts on an NPR, and what tools are needed?

Most exterior parts like bumpers, mirrors, and lights can be installed with basic hand tools in 1-3 hours. Essential tools include metric sockets (10mm-19mm), torque wrench, and potentially a drill for aftermarket accessories. Bumper installation typically requires two people due to weight (40-60 lbs). Interior parts like door panels and switches are generally plug-and-play. Major components like headlight assemblies may require removing the grille and front fascia. We provide installation guides for complex parts, and many items include hardware kits with new bolts and clips.

What's the difference between NPR and NPR-HD parts compatibility?

While NPR and NPR-HD trucks share many components, key differences exist. NPR-HD models (14,500+ GVWR) often have wider frames, requiring different bumper mounting brackets and wider mud flaps. Suspension components, brake parts, and wheels are not interchangeable due to the HD's heavier-duty specifications. However, cab components like mirrors, door handles, interior trim, and most body panels are typically the same. Always verify using your truck's GVWR rating found on the door jamb sticker.

Which replacement parts most commonly fail on NPR trucks, and how can I prevent issues?

Based on customer feedback, the most frequently replaced items include door handles (plastic fatigue after 5-7 years), mirror assemblies (vibration damage), marker lights (water intrusion), and step plates (rust in salt-belt states). Preventive measures include annual application of dielectric grease on electrical connections, regular washing of undercarriage components, and immediate touch-up of paint chips on metal parts. Consider upgrading to LED marker lights for better longevity and replacing door handle springs annually as preventive maintenance.


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