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Isuzu Truck Parts

Isuzu Truck Parts

Shop for top-quality Isuzu truck parts at 4 State Trucks. Discover amazing upgrades, OE replacements, and aftermarket solutions. From semi-truck bumpers to engine parts and fenders, we have everything you need to keep your truck in peak condition.

Universal Parts

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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Hadley Chrome Air Horn Mount Kit W/ Front Horn Support & Hardware

    Hadley Chrome Air Horn Mount Kit W/ Front Horn Support & Hardware

    HADLEY

    $9.29
    Hadley Chrome Air Horn Mount Kit W/ Hardware For Single Rectangular & Round Bell Horns W/3 Hole Pattern.The Hadley Horn Mounting Kit features a chrome front horn support designed to accommodate single chrome rectangular and round bell horns with a 3-hole...
    09-051330
    SKU:
    09-051330
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Exterior
    Availability:
    Ready To Ship
    $9.29
    Qty in Cart: 0
    Price:
    $9.29
    Subtotal:
  • Chrome Square Genuine Hadley Air Horn 26 Inch W/ Pedestal & Front Cover

    Chrome Square Genuine Hadley Air Horn 26 Inch W/ Pedestal & Front Cover

    HADLEY

    $211.99
    Square Hadley Air Horn With Pedestal & Front CoverUpgrade your truck with the Chrome Square Genuine Hadley Air Horn! This 26-inch beauty comes with a pedestal and front cover, delivering a powerful and stylish statement. Made in the USA, it's a...
    09-051327
    SKU:
    09-051327
    Truck Class:
    Universal
    Length Options:
    26 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Shape Options:
    Rectangular
    Style Options:
    1 Bell
    Product Type:
    Exterior
    Availability:
    Ready To Ship
    $211.99
    Qty in Cart: 0
    Price:
    $211.99
    Subtotal:
  • Hadley Horn Mounting Elbow Kit - 7/16 Inch Fitting H11477S

    Hadley Horn Mounting Elbow Kit - 7/16 Inch Fitting H11477S

    HADLEY

    $19.98
    Hadley Mount Elbow And Tension Washer Kit* High Quality Hadley Fitting Kit* 7/16 Inch * Sold Individually* Made In USA* Warranty On Hadley Fitting Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    09-051326
    SKU:
    09-051326
    Truck Class:
    Universal
    Material Options:
    Brass
    Make:
    Universal Items
    Product Type:
    Exterior
    $19.98
    Qty in Cart: 0
    Price:
    $19.98
    Subtotal:
  • Chrome Plated 4 Trumpet Chrome Train Horn W/ Electric Solenoid

    Chrome Plated 4 Trumpet Chrome Train Horn W/ Electric Solenoid

    UNITED PACIFIC

    $168.99
    12V 4 Trumpet Train Horn W/ 120 PSI MaxMake sure you are heard with this quality 4 Trumpet Chrome Plated Train Horn. It comes with an electric solenoid and produces 155 decimals of sound. Made to withstand years of abuse from the elements of the road,...
    09-051321
    SKU:
    09-051321
    Truck Class:
    Universal
    Style Options:
    4 Bell
    Material Options:
    Aluminum
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Length Options:
    15 1/4 Inch
    Shape Options:
    Round
    Product Type:
    Exterior
    Availability:
    Ready To Ship
    $168.99
    Qty in Cart: 0
    Price:
    $168.99
    Subtotal:
  • BESTfit Heavy Duty 1 Bell Train Horn

    BESTfit Heavy Duty 1 Bell Train Horn

    BESTFIT TRUCK PARTS

    $380.99
    BESTfit Powder-Coated Aluminum 1 Trumpet Train Horn* High Quality Horn Trumpet* Made Of Textured Cast Aluminum* 126 Decibels* Use At A Distance Of At Least 100 Foot From Others* Never Operate In A Closed Environment* Consumers Responsibility To Comply...
    09-0513132
    SKU:
    09-0513132
    Truck Class:
    Universal
    Color:
    Black
    Style Options:
    1 Bell
    Material Options:
    Aluminum
    Make:
    Universal Items
    Length Options:
    16 Inch
    Diameter Options:
    7 1/2 Inch
    Shape Options:
    Round
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $380.99
    Qty in Cart: 0
    Price:
    $380.99
    Subtotal:
  • Train Horn Heavy Duty 2 Bell by BESTfit

    Train Horn Heavy Duty 2 Bell by BESTfit

    BESTFIT TRUCK PARTS

    $468.99
    BESTfit Powder-Coated Aluminum 2 Trumpet Train Horn* High Quality Horn* Made Of Textured Cast Aluminum* Two Heavy Duty Trumpets* May Come In Either Black Or Red Powder Coat* Use At A Distance Of At Least 100 Foot From Others* Never Operate In A Closed...
    09-0513131
    SKU:
    09-0513131
    Truck Class:
    Universal
    Color:
    Black
    Style Options:
    2 Bell
    Material Options:
    Aluminum
    Make:
    Universal Items
    Length Options:
    16 Inch
    Shape Options:
    Round
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $468.99
    Qty in Cart: 0
    Price:
    $468.99
    Subtotal:
  • Stainless Steel Horn Cover For Grover Horn, 4.625 X 7.375 Inch

    Stainless Steel Horn Cover For Grover Horn, 4.625 X 7.375 Inch

    UNITED PACIFIC

    $14.99
    SS Rectangular Horn Cover For Grover HornProtect and reinforce a 4.625 inch by 7.375 inch rectangular shaped horn with this shiny cover by United Pacific. It is made of stainless steel and features a dome-shaped top. The cover snaps into place with...
    09-051313
    SKU:
    09-051313
    Truck Class:
    Universal
    Shape Options:
    Rectangular
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exterior
    Availability:
    Ready To Ship
    $14.99
    Qty in Cart: 0
    Price:
    $14.99
    Subtotal:
  • Air Horn 30 Inch Hadley Style Round Bell With Square Back

    Air Horn 30 Inch Hadley Style Round Bell With Square Back

    HADLEY

    $271.99
    30 Inch Long Hadley Style Round 7.25 Inch Bell With Square Back* High Quality Air Horn * 30 Inch Length* With 7.25 Inch Round Bell* Square Back* Horn Support Not Included* 7/16-24 Air Connection* Single Trumpet* Bell Cover Included* Made In USA* Sold...
    09-0513127
    SKU:
    09-0513127
    Location:
    Made In USA
    Truck Class:
    Universal
    Length Options:
    30 Inch
    Make:
    Universal Items
    Shape Options:
    Round
    Style Options:
    1 Bell
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $271.99
    Qty in Cart: 0
    Price:
    $271.99
    Subtotal:
  • Train Horn 3 Trumpet Chrome With Support Bracket

    Train Horn 3 Trumpet Chrome With Support Bracket

    UNITED PACIFIC

    $168.99
    3 Trumpet Heavy Duty Train Horn* High Quality Train Horn * 3 Trumpets * Air Powered* With Support Bracket* Sound Output: 145 +/-10db* 12V Heavy Duty Electric Solenoid (Included)* Sold Individually* Warranty On Train Horn Against Defects In Workmanship &...
    09-0513112
    SKU:
    09-0513112
    Truck Class:
    Universal
    Style Options:
    3 Bell
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Shape Options:
    Round
    Product Type:
    Exterior
    Availability:
    Ready To Ship
    $168.99
    Qty in Cart: 0
    Price:
    $168.99
    Subtotal:
  • Chrome-Plated Brass 3 Trumpet Train Horn 70 To 140 PSI 18 X 13.5 X 13.75 Inch

    Chrome-Plated Brass 3 Trumpet Train Horn 70 To 140 PSI 18 X 13.5 X 13.75 Inch

    GRAND GENERAL

    $275.99
    70 PSI To 140 PSI Chrome Triple Trumpet Train Horn* High Quality Train Horn* Chrome Brass Trumpets * 3 Trumpet* Dimensions  - 18 Inch Length  - 13.5 Inch Width  - 13.75 Inch Height  - 0.25 Inch Diameter ID Hose * 70 PSI To 140 PSI...
    09-0513109
    SKU:
    09-0513109
    Length Options:
    18 Inch
    Truck Class:
    Universal
    Material Options:
    Brass
    Make:
    Universal Items
    Width Options:
    13 Inch
    Shape Options:
    Round
    Style Options:
    3 Bell
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $275.99
    Qty in Cart: 0
    Price:
    $275.99
    Subtotal:
  • Air Horn 37 Inch Hadley Style Round Bell With Square Back

    Air Horn 37 Inch Hadley Style Round Bell With Square Back

    HADLEY

    $297.99
    37 Inch Long Hadley Style Round 7.25 Inch Bell With Square Back* High Quality Air Horn * 37 Inch Length* With 7.25 Inch Round Bell* Square Back* Comes With Horn Cover* 7/16-24 Air Connection* Single Trumpet* Bell Cover Included* Made In USA* Sold...
    09-0513104
    SKU:
    09-0513104
    Length Options:
    37 Inch
    Location:
    Made In USA
    Truck Class:
    Universal
    Make:
    Universal Items
    Shape Options:
    Round
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Style Options:
    1 Bell
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $297.99
    Qty in Cart: 0
    Price:
    $297.99
    Subtotal:
  • Chrome Horn Cover Pointed Style 5.5 To 6 Inch

    Chrome Horn Cover Pointed Style 5.5 To 6 Inch

    UNITED PACIFIC

    $9.27
    Chrome Snap In Pointed Horn CoverProtect and reinforce a 5.5 inch to 6 inch round horn with this shiny cover by United Pacific. It is made of chrome plated plastic and features a pointed top. The cover snaps into place with included mounting clips.* Horn...
    09-051306
    SKU:
    09-051306
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exterior
    $9.27
    Qty in Cart: 0
    Price:
    $9.27
    Subtotal:
  • Turbo Air Compressor & 5.5 Liter Extended Tank Kit For Train Horns

    Turbo Air Compressor & 5.5 Liter Extended Tank Kit For Train Horns

    UNITED PACIFIC

    $272.99
    Train Horn Turbo Heavy Duty Air Compressor & Tank KitThis heavy duty air compressor and 5.5 liter air tank kit is designed for use with high pressure air / train horns. The units also have on-board air system for 12 V vehicles and an auto on/off switch.*...
    09-051301
    SKU:
    09-051301
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Steel
    Product Type:
    Exterior
    Availability:
    Ready To Ship
    $272.99
    Qty in Cart: 0
    Price:
    $272.99
    Subtotal:
  • Chrome 3 Trumpet Train Horn Kit W/ Air Compressor & 5.5 Liter Air Tank

    Chrome 3 Trumpet Train Horn Kit W/ Air Compressor & 5.5 Liter Air Tank

    UNITED PACIFIC

    $455.99
    Train Horn Kit With Air Compressor & 5.5 Liter Air TankAre looking for a great sounding horn at a budget-friendly price? 4 State Trucks offers this quality Economy chrome plated 3 trumpet train horn. It comes with a turbo air compressor with a 5.5-liter...
    09-051300K
    SKU:
    09-051300K
    Truck Class:
    Universal
    Style Options:
    3 Bell
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Shape Options:
    Round
    Capacity:
    1 Gallon
    Product Type:
    Exterior
    Availability:
    Ready To Ship
    $455.99
    Qty in Cart: 0
    Price:
    $455.99
    Subtotal:
  • Twin Horn Kit W/ 1 High Tone 500HZ & 1 Low Ton 400HZ

    Twin Horn Kit W/ 1 High Tone 500HZ & 1 Low Ton 400HZ

    AUTOMANN USA

    $49.99
    Twin Horn Kit W/ 6.5 Feel Sound LevelExperience powerful sound with the Twin Horn Kit. It packs a punch with a high tone horn at 500Hz and a low tone horn at 400Hz. At a distance of 6.5 feet, enjoy an impressive sound level of 110dB. This kit is designed...
    09-051300123B
    SKU:
    09-051300123B
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    2 Bell
    Product Type:
    Frame & Chassis
    $49.99
    Qty in Cart: 0
    Price:
    $49.99
    Subtotal:
  • HornBlasters Outlaw Black Train Horn W/ 3 Metal Alloy Bells, 20.5 Ft. 1/2 Inch Air Line, 12-24 Volt Air Valve

    HornBlasters Outlaw Black Train Horn W/ 3 Metal Alloy Bells, 20.5 Ft. 1/2 Inch Air Line, 12-24 Volt Air Valve

    HORNBLASTERS

    $298.99
    12V-24V Black Train Horn W/ 3 Trumpets & 20.5 Feet Of 1/2 Inch Air Line* High Quality Train Horn* Black Finish * With 3 Metal Alloy Bells * 20.5 Feet Of 1/2 Inch Air Line * 12-24 Volt * Includes: - Pre Installed Electric Air Valve - Mounting...
    09-051300110
    SKU:
    09-051300110
    Color:
    Black
    Length Options:
    18 Inch
    Location:
    Made In USA
    Truck Class:
    Universal
    Make:
    Universal Items
    Shape Options:
    Round
    Style Options:
    3 Bell
    Product Type:
    Exterior
    $298.99
    Qty in Cart: 0
    Price:
    $298.99
    Subtotal:
  • 2 Gallon 6 Port Spare Air Tank For HornBlasters Dual Bracket Tank System

    2 Gallon 6 Port Spare Air Tank For HornBlasters Dual Bracket Tank System

    HORNBLASTERS

    $183.99
    HornBlasters 2 Gallon 6 Port Spare Air Tank* High Quality Spare Air Tank* Designed To Maximize Airflow, Our 2 Gallon Tank Features Four 1/4 Inch Ports And Two 1/2 Inch Ports* With Ports On The Side, Top, Bottom, And End Caps For Ease Of Installation*...
    09-051300109
    SKU:
    09-051300109
    Length Options:
    17 Inch
    Location:
    Made In USA
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $183.99
    Qty in Cart: 0
    Price:
    $183.99
    Subtotal:
  • Model 365 The Enforcer 12V 20 Watt Emergency Siren - Police Wailer, Fire Truck High-Low, Ambulance Euro Siren

    Model 365 The Enforcer 12V 20 Watt Emergency Siren - Police Wailer, Fire Truck High-Low, Ambulance Euro Siren

    WOLO MANUFACTURING

    $52.99
    5 X 5.5 X 6 Inch 20 Watt 12V 2 Amp Emergency Siren* High Quality Emergency Siren* 12-Volt* Current: 2-Amps* 20-Watts* Controller Size:   - Length 1 Inch  - Width 2-1/4 Inch  - Height 1-3/4 Inch* Speaker: Plastic* Speaker Size:   -...
    09-051300108
    SKU:
    09-051300108
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Style Options:
    1 Bell
    Shape Options:
    Round
    Product Type:
    Exterior
    $52.99
    Qty in Cart: 0
    Price:
    $52.99
    Subtotal:
  • Model 360 12V 105 Decibel Extra Loud Train Horn

    Model 360 12V 105 Decibel Extra Loud Train Horn

    WOLO MANUFACTURING

    $29.99
    4 X 4 X 4.5 Inch 12V Train Horn* High Quality Horn* 12-Volt* Current: 1-Amp* Speaker Size:   - Length 4 Inch   - Weight 4 Inch   - Height 4 1/2 Inch * Sold Individually* Warranty On Horn Set Against Defects in Workmanship & Material From...
    09-051300107
    SKU:
    09-051300107
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Style Options:
    1 Bell
    Shape Options:
    Round
    Product Type:
    Exterior
    $29.99
    Qty in Cart: 0
    Price:
    $29.99
    Subtotal:
  • Model 350 12V 105 Decibel Shrill Two Tone Wolf Whistle

    Model 350 12V 105 Decibel Shrill Two Tone Wolf Whistle

    WOLO MANUFACTURING

    $27.99
    4 X 4 X 4.5 Inch Shrill Two Tone Wolf Whistle* High Quality Horn* Wolf Whistle* 105 Decibels* 12-Volt Current* 1 AMP * Speaker Size  - Length 4 Inch  - Width 4 Inch  - 4.50 Inch Width* Sold Individually* Warranty On Horn Set Against...
    09-051300106
    SKU:
    09-051300106
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Style Options:
    1 Bell
    Shape Options:
    Round
    Product Type:
    Exterior
    $27.99
    Qty in Cart: 0
    Price:
    $27.99
    Subtotal:
  • Total: 0 items / $0.00

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Isuzu Truck Parts

Find premium aftermarket Isuzu truck parts and accessories to customize your medium-duty work truck. Our product lineup features all sorts of replacement parts, upgrades, and add-on accessories that can enhance performance, functionality, and even looks of the Isuzu truck models. Isuzu Truck Models: Some of the high-demand models in this range include the NPR, NPR-HD, NQR, and the NRR. These products are highly reliable, dependable, and versatile, hence making them very suitable for almost all types of commercial needs related to delivery, hauling, and utility. Among these various truck models, some of their feature and benefit profiles are discussed below. - Body and Cab: Included in this are grilles, fenders, steps, and many other external features that can be fitted or replaced in Isuzu trucks for either maintaining or enhancing their looks. - Light Electrical: Ranging from different types of Head and Taillights to Marker Lights to LED Light Bars, the variations in the range are great and do help immensely toward better visibility and safety. - Suspension and brakes: Replacement parts such as shocks, springs, and brake components help provide a smooth, safe ride. - Powertrain: Engine and transmission parts, along with fuel system components, will keep Isuzu trucks at peak performance. - Comfort and convenience: Accessories such as seats, storage solutions, and climate control systems enhance the driver and passenger experience. Whether you're looking to repair, maintain, or customize your Isuzu truck, the product lineup of Isuzu Truck Parts has a wide range of products in high quality for whatever needs you might have. From professional fleet operators to the individual truck owner, you can find the necessary parts to maintain your truck.

Frequently Asked Questions About Isuzu Truck Parts

What Isuzu truck models and years are your parts compatible with?

Our Isuzu parts inventory covers NPR, NQR, NRR, and FTR series trucks from 2008 to present. Most universal parts like mirrors, lights, and accessories fit multiple years within the same series. However, body parts like bumpers, hoods, and grilles are typically year-specific due to design changes. Always check the product description for exact fitment details, or contact our team with your VIN for guaranteed compatibility verification.

Are aftermarket Isuzu parts as durable as OEM parts?

Quality aftermarket parts can match or exceed OEM specifications when sourced from reputable manufacturers. Our aftermarket bumpers use 14-gauge steel (same as OEM), while our chrome and stainless steel options often provide better corrosion resistance than factory parts. All electrical components meet DOT/SAE standards. The key difference is typically price - aftermarket parts cost 30-50% less while maintaining comparable quality and fitment.

What tools and skills do I need to install Isuzu truck parts myself?

Basic installations like mirrors, lights, and mud flaps require standard hand tools and take 30-60 minutes. Bumper replacements need a socket set, jack stands, and ideally a helper - expect 2-3 hours for front bumpers. More complex parts like hoods or grilles may require panel alignment experience. Most parts include installation hardware, but always verify before starting. Professional installation typically runs $75-150 per hour if you prefer expert help.

What finish options are available for Isuzu bumpers and exterior parts?

Chrome-plated steel remains the most popular for its mirror-like appearance and durability. Polished stainless steel offers superior corrosion resistance without re-chroming needs. Painted steel bumpers come primer-ready for color matching your truck. Raw steel options allow custom powder coating. Each finish affects price and maintenance - chrome needs regular polishing, stainless requires less upkeep, and painted finishes may need touch-ups after 3-5 years depending on conditions.

How do I identify the correct part number for my Isuzu truck?

Start with your VIN number - positions 4-8 identify your exact model and specifications. OEM part numbers are typically stamped on the original part or found in your owner's manual. For body parts, note whether you have a standard or wide-body configuration, as this affects fitment. When in doubt, provide our team with your year, model, and VIN. We can cross-reference multiple databases to ensure you receive the correct part the first time.


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