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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

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Heavy Duty Diesel Oxidation Catalyst - Replaces 4965284NX, 5287496NX, A035H295

    Heavy Duty Diesel Oxidation Catalyst - Replaces 4965284NX, 5287496NX, A035H295

    DAYTON / DORMAN

    $2,432.99
    Heavy Duty Diesel Oxidation Catalyst* High Quality Diesel Oxidation Catalyst* Color: Natural* Grade Type: Regular* Package Contents:  - 1 Diesel Oxidation Filter - 2 Gaskets* Sold Individually** Warranty On Diesel Oxidation Catalysts Against...
    29-080600009
    SKU:
    29-080600009
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Exhaust
    $2,432.99
    Qty in Cart: 0
    Price:
    $2,432.99
    Subtotal:
  • 20 X 13.9 X 17 Inch Heavy Duty Diesel Particulate Filter - Replaces 4965229, 4965286, 4965286NX, 4969838

    20 X 13.9 X 17 Inch Heavy Duty Diesel Particulate Filter - Replaces 4965229, 4965286, 4965286NX, 4969838

    DAYTON / DORMAN

    $2,622.99
    Heavy Duty DPF - Replaces 4969838NX, 4969839, 4969839NX, Q621371, Q623316 & Q623804* High Quality DPF* Body Height: 20 Inch* Body Length: 13.9 Inch* Body Material: Stainless Steel* Body Width: 17 Inch* Grade Type: Standard* Inlet Gasket Included: Yes*...
    29-080600008
    SKU:
    29-080600008
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Exhaust
    $2,622.99
    Qty in Cart: 0
    Price:
    $2,622.99
    Subtotal:
  • FREE SHIPPING
    Outlet Nox Nitrogen Oxide Exhaust Sensor Connector Replaces 2894946NX For Cummins ISL

    Outlet Nox Nitrogen Oxide Exhaust Sensor Connector Replaces 2894946NX For Cummins ISL

    DAYTON / DORMAN

    $402.99
    Nitrogen Oxide Exhaust Sensor ConnectorThe nitrogen oxide (NOx) exhaust sensor features a grey, oval-shaped female connector and four male blade terminals. It is equipped with 22-gauge wires measuring 920mm in length. The OE number for this sensor is...
    29-080600007
    SKU:
    29-080600007
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Exhaust
    $402.99
    Qty in Cart: 0
    Price:
    $402.99
    Subtotal:
  • Outlet Nox Nitrogen Oxide Sensor Replaces 1954666PE, 1954666PRX, 2872947NX, 4326869RX For Cummins ISB 6.7

    Outlet Nox Nitrogen Oxide Sensor Replaces 1954666PE, 1954666PRX, 2872947NX, 4326869RX For Cummins ISB 6.7

    DAYTON / DORMAN

    $420.99
    Nitrogen Oxide Sensor Outlet Of Diesel Particulate Filter* High Quality Nitrogen Oxide Sensor* NOx Sensor For Cummins ISB Engine* Connector Color: Black And Silver* Connector Gender: Female* Connector Shape: Oval* Package Contents: Sensor With Module*...
    29-080600002
    SKU:
    29-080600002
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Exhaust
    $420.99
    Qty in Cart: 0
    Price:
    $420.99
    Subtotal:
  • BESTfit 10 Inch Diameter Exhaust Muffler OE Style 5 ID / ID X 51 Inch OAL

    BESTfit 10 Inch Diameter Exhaust Muffler OE Style 5 ID / ID X 51 Inch OAL

    BESTFIT TRUCK PARTS

    $167.99
    BESTfitHeavy Gauge Steel W/ Aluminized Plating OE Style Exhaust MufflerThe BESTfit 5 X 51 Inch Aluminized Steel Exhaust Muffler offers an OE-style upgrade for your truck's exhaust system. This high-quality muffler is made of heavy gauge steel with...
    29-08020000
    SKU:
    29-08020000
    Diameter Options:
    5 Inch
    Truck Class:
    Heavy Duty
    Length Options:
    51 Inch
    Material Options:
    Aluminized Steel
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Exhaust
    Make:
    International
    Make:
    Freightliner
    Make:
    Western Star
    Make:
    Volvo
    Make:
    Mack
    $167.99
    Qty in Cart: 0
    Price:
    $167.99
    Subtotal:
  • Guaranteed Fit
    10 Inch Diameter Muffler 5 ID X 51 Inch OAL- Replaces 04-21774-001 by BESTfit

    10 Inch Diameter Muffler 5 ID X 51 Inch OAL- Replaces 04-21774-001 by BESTfit

    BESTFIT TRUCK PARTS

    $104.99
    BESTfit 10 Inch Diameter Muffler With 5 Inch Inlet & OutletOptimize your exhaust system with the BESTfit 10 Inch Diameter Muffler, featuring a 5-inch inlet and outlet for maximum efficiency. With a body diameter of 10 inches and an overall length of 51...
    29-080200
    SKU:
    29-080200
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Diameter Options:
    5 Inch
    Length Options:
    51 Inch
    Location:
    Made In USA
    Product Type:
    Exhaust
    Availability:
    Ready To Ship
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • BESTfit 4.25 Inch Turbo Flare Lip 7.3 Ford Powerstroke Exhaust

    BESTfit 4.25 Inch Turbo Flare Lip 7.3 Ford Powerstroke Exhaust

    BESTFIT TRUCK PARTS

    $25.32
    BESTfit 3.5 X 4 Inch Type A Turbo Manifold Outlet With 4.25 Inch Flange Fits 7.3L Powerstroke EnginesImprove the turbo efficiency of your 7.3L Powerstroke with the BESTfit 3.5 X 4 Inch Type A Turbo Manifold Outlet from 4 State Trucks. This turbo outlet,...
    29-080100002
    SKU:
    29-080100002
    Diameter Options:
    3 Inch
    Truck Class:
    Heavy Duty
    Length Options:
    4 Inch
    Location:
    Made In USA
    Material Options:
    Aluminized Steel
    Product Type:
    Exhaust
    $25.32
    Qty in Cart: 0
    Price:
    $25.32
    Subtotal:
  • FREE SHIPPING OVER $249
    247MM-257MM Stainless Steel DPF Exhaust Clamp - Replaces A6809950202

    247MM-257MM Stainless Steel DPF Exhaust Clamp - Replaces A6809950202

    DAYTON / DORMAN

    $57.99
    247MM-257MM Stainless Steel DPF Exhaust Clamp* High Quality DPF Exhaust Clamp* Adjustment Type: Manual* Band Material Thickness: 1.6 Mm* Band Width: 25.3 Mm* Clamping Type: Bolt* Color: Natural* Material: Stainless Steel* Maximum Diameter: 257 Mm*...
    29-080000000
    SKU:
    29-080000000
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Freightliner
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • BESTfit Caterpillar Flywheel Replaces 4P8515

    BESTfit Caterpillar Flywheel Replaces 4P8515

    BESTFIT TRUCK PARTS

    $501.99
    BESTfit Flywheel With 10 Inch Center Opening & 8 Bolt HolesThis BESTfit Flywheel delivers a reliable replacement for Caterpillar 3176, C10, C12, and C13 engines. Fits OEM 4P8515 and features a flat design, 15-inch clutch, SAE #1 size, 10-inch center...
    29-074P8515
    SKU:
    29-074P8515
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $501.99
    Qty in Cart: 0
    Price:
    $501.99
    Subtotal:
  • BESTfit 11.9L Oil Pan Replaces 4975061 & 4975062 For Cummins ISX Front & Rear Sump

    BESTfit 11.9L Oil Pan Replaces 4975061 & 4975062 For Cummins ISX Front & Rear Sump

    BESTFIT TRUCK PARTS

    $488.99
    BESTfit 11.9L Oil Pan Fits Cummins ISXThis high quality 11.9L oil pan fits the Cummins ISX front and rear stump. The oil pan comes with a 1 year warranty.* High Quality 11.9L Oil Pan* Fits Cummins ISX 11.9L* Universal Fit For Both Front And Rear Sump...
    29-074975061
    SKU:
    29-074975061
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Availability:
    Ready To Ship
    $488.99
    Qty in Cart: 0
    Price:
    $488.99
    Subtotal:
  • Cummins ISX 3 Piece Exhaust Manifold Kit - Replaces 4962571, 3682491, 3682348, 3682548, 3682959 & 3682549 By BESTfit

    Cummins ISX 3 Piece Exhaust Manifold Kit - Replaces 4962571, 3682491, 3682348, 3682548, 3682959 & 3682549 By BESTfit

    BESTFIT TRUCK PARTS

    $369.99
    BESTfit 3 Piece Exhaust Manifold Kit For Cummins ISX EnginesIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have A Fantastic...
    29-074962571
    SKU:
    29-074962571
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Availability:
    Ready To Ship
    $369.99
    Qty in Cart: 0
    Price:
    $369.99
    Subtotal:
  • BESTfit Front Sump Steel Oil Pan - Replaces 3800906, 3803688, 3803849 & More For Cummins L10, M11 & ISM Engines

    BESTfit Front Sump Steel Oil Pan - Replaces 3800906, 3803688, 3803849 & More For Cummins L10, M11 & ISM Engines

    BESTFIT TRUCK PARTS

    $399.99
    BESTfit Front Sump Steel Oil Pan W/ 22 Bolt HolesThis Oil Pan with front sump is made of steel and has 22 bolt holes for mounting. It fits in your Cummins L10, M11, and ISM Diesel Engine Trucks.* High Quality Oil Pan* Front Sump* For Cummins L10, M11,...
    29-074952785
    SKU:
    29-074952785
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Engine Parts
    $399.99
    Qty in Cart: 0
    Price:
    $399.99
    Subtotal:
  • BESTfit Oil Pan Replaces 3892965, 3895628, 3895630 & More For Cummins L10, M11 & ISM Engines

    BESTfit Oil Pan Replaces 3892965, 3895628, 3895630 & More For Cummins L10, M11 & ISM Engines

    BESTFIT TRUCK PARTS

    $549.99
    BESTfit Rear Sump Steel Oil PanThis rear sump steel oil pan has an internal oil pick up tube. It fits in your Cummins L10, M11 and ISM Diesel Engine Trucks.* High Quality Oil Pan* Rear Sump * For Cummins L10, M11, ISM* Has Internal Oil Pick-Up Tube*...
    29-074952780
    SKU:
    29-074952780
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Engine Parts
    $549.99
    Qty in Cart: 0
    Price:
    $549.99
    Subtotal:
  • BESTfit Oil Pan For Cummins ISB Engines With Front Or Rear Sump - Replaces 4898036 & 4898037

    BESTfit Oil Pan For Cummins ISB Engines With Front Or Rear Sump - Replaces 4898036 & 4898037

    BESTFIT TRUCK PARTS

    $144.99
    BESTfit Oil Pan With Front Or Rear Sump Mounting Cummins ISB Series Diesel Engine Trucks* High Quality Oil Pan* For Cummins ISB Engines* Stamped Steel* Fit- Both Front And Rear Sump* Pairs With Adaptor Plate pt# AK-4938655* Adapter Plate Not Included*...
    29-074898036
    SKU:
    29-074898036
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Engine Parts
    Availability:
    Ready To Ship
    $144.99
    Qty in Cart: 0
    Price:
    $144.99
    Subtotal:
  • BESTfit Camshaft For Cummins N14 Celect Plus - Replaces 3411327, 4024849

    BESTfit Camshaft For Cummins N14 Celect Plus - Replaces 3411327, 4024849

    BESTFIT TRUCK PARTS

    $711.99
    BESTfit Camshaft For Cummins N14 Celect Plus* High Quality Camshaft* For Cummins N14 Celect Plus* Sold Individually* Warranty On Camshafts Against Defects In Workmanship & Material From Date Of Purchase** Replaces OE Number(s) 3411327, 4024849*** High...
    29-074024849
    SKU:
    29-074024849
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $711.99
    Qty in Cart: 0
    Price:
    $711.99
    Subtotal:
  • Throttle Actuator For Detroit 60 Engine - Replaces A4600980210, A4600980310 & RA4600900065

    Throttle Actuator For Detroit 60 Engine - Replaces A4600980210, A4600980310 & RA4600900065

    DAYTON / DORMAN

    $154.99
    Throttle Actuator* High Quality Throttle Actuator* Cast Iron Housing Material* Wire Harness & Installation Hardware Not Included * Sold Individually* Warranty On Throttle Actuator Against Defects In Workmanship & Material From Date Of Purchase** High...
    29-074001
    SKU:
    29-074001
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $154.99
    Qty in Cart: 0
    Price:
    $154.99
    Subtotal:
  • 6 Foot PTO Control Cable W/ 3 Inch Travel, Rod End Control, Stainless Steel Core

    6 Foot PTO Control Cable W/ 3 Inch Travel, Rod End Control, Stainless Steel Core

    AFTERMARKET

    $43.99
    6 Foot PTO Control Cable W/ 3 Inch Travel, Rod End Control, Stainless Steel Core* High Quality Control Cable* 6 Foot * With 3 Inch Travel And Rod End Control * Provides A Sturdier Base To Handle Heavier Job* Rust Resistant Stainless Steel Core For Long...
    29-074000001
    SKU:
    29-074000001
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Product Type:
    Air, Electrical, & Safety
    $43.99
    Qty in Cart: 0
    Price:
    $43.99
    Subtotal:
  • BESTfit Cummins ISX Flywheel With 15 Inch Clutch Replaces 3680921, 3680922 & 3680348

    BESTfit Cummins ISX Flywheel With 15 Inch Clutch Replaces 3680921, 3680922 & 3680348

    BESTFIT TRUCK PARTS

    $349.99
    BESTfit Flywheel With 10 Inch Center Opening & 12 Bolt HolesMaintain reliable operation on your Cummins ISX engine with the BESTfit Flywheel. Replacing OEM 3680921, 3680922, and 3680348, it features a flat design, 15-inch clutch fit, SAE #1 size, 10-inch...
    29-073680922
    SKU:
    29-073680922
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $349.99
    Qty in Cart: 0
    Price:
    $349.99
    Subtotal:
  • BESTfit 3 Piece Exhaust Manifold Kit For Cummins IX Pre-EGR - Replaces 3680650, 3680199 & 3680200

    BESTfit 3 Piece Exhaust Manifold Kit For Cummins IX Pre-EGR - Replaces 3680650, 3680199 & 3680200

    BESTFIT TRUCK PARTS

    $359.99
    3 Piece Exhaust Manifold Kit For Cummins IX Pre-EGRIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have A Fantastic Mirror Finish...
    29-073680650
    SKU:
    29-073680650
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $359.99
    Qty in Cart: 0
    Price:
    $359.99
    Subtotal:
  • BESTfit Cummins 5.9 L Flywheel  3921264, 3901395, 3900269

    BESTfit Cummins 5.9 L Flywheel 3921264, 3901395, 3900269

    BESTFIT TRUCK PARTS

    $249.99
    BESTfit Cummins Flywheels B Series - 5.9L SAE #2* High Quality Flywheel* Fits Cummins Flywheels B Series - 5.9L* Flat Design* 8 Bolt Mounting Holes* Size: SAE #2 * 14 Inch Clutch Size* 17 Inch OD Ring Gear With 173 Teeth* 306 Pilot Bearing* Includes Ring...
    29-0733921263
    SKU:
    29-0733921263
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Flat
    Diameter Options:
    17 Inch
    Availability:
    Ready To Ship
    $249.99
    Qty in Cart: 0
    Price:
    $249.99
    Subtotal:
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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 OEM 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 OEM 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 OEM. We can cross-reference multiple databases to ensure you receive the correct part the first time.


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