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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
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  • Subtotal
  • Cummins N14 Engine 3 Piece Exhaust Manifold Kit - Replaces 3062568, 3065022 & 3065024 By BESTfit

    Cummins N14 Engine 3 Piece Exhaust Manifold Kit - Replaces 3062568, 3065022 & 3065024 By BESTfit

    BESTFIT TRUCK PARTS

    $453.99
    BESTfit 3 Piece Exhaust Manifold Kit For Cummins N14 1995 & OlderIntroducing 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...
    29-073062568
    SKU:
    29-073062568
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Availability:
    Ready To Ship
    $453.99
    Qty in Cart: 0
    Price:
    $453.99
    Subtotal:
  • BESTfit Front Sump Oil Pan Gasket For Cummins N14

    BESTfit Front Sump Oil Pan Gasket For Cummins N14

    BESTFIT TRUCK PARTS

    $19.99
    BESTfit Front Sump Oil Pan Gasket* High Quality Oil Pan Gasket* Fits Cummins Front Sump N14 Oil Pan* Sold Individually* Warranty On Oil Pan Gaskets Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...
    29-073032861
    SKU:
    29-073032861
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    $19.99
    Qty in Cart: 0
    Price:
    $19.99
    Subtotal:
  • 9 Gallon Steel Rear Sump Oil Pan For Cummins NT855 Big Cam III, IV & N14

    9 Gallon Steel Rear Sump Oil Pan For Cummins NT855 Big Cam III, IV & N14

    AUTOMANN USA

    $450.99
    9 Gallon Steel Rear Sump Oil PanExtend the life of your Cummins engine with this high-quality 9 Gallon Steel Rear Sump Oil Pan, compatible with NT855 Big Cam III, IV, and N14 models. Designed with a rear sump, pick-up tube, and clips, it ensures reliable...
    29-073031959
    SKU:
    29-073031959
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Availability:
    Ready To Ship
    $450.99
    Qty in Cart: 0
    Price:
    $450.99
    Subtotal:
  • BESTfit 20 Inch Flywheel Replaces 244-1636 For Caterpillar 3406E & C15 Engine

    BESTfit 20 Inch Flywheel Replaces 244-1636 For Caterpillar 3406E & C15 Engine

    BESTFIT TRUCK PARTS

    $411.99
    BESTfit Flywheel For 15 Inch Clutch Fits CaterpillarKeep your Caterpillar 3406E or C15 engine running efficiently with the BESTfit 20 Inch Flywheel. Replacing OEM 244-1636, it features a flat design, SAE #1 size, 15-inch clutch compatibility, 10-inch...
    29-072569653
    SKU:
    29-072569653
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $411.99
    Qty in Cart: 0
    Price:
    $411.99
    Subtotal:
  • Flat Flywheel W/ 10 Inch Opening For CAT 3306 & 3406

    Flat Flywheel W/ 10 Inch Opening For CAT 3306 & 3406

    AUTOMANN USA

    $460.99
    Fly Wheel W/ 12 Bolt Holes, 1 Dowel Pin Hole For 15 Inch Clutch* High Quality Flywheel* Replaces OE Number 4W6800 1309476 4P4797* Flat With 10 Inch Opening* 12 Bolts Holes And One Dowel Pin Hole* For 15 Inch Clutch* 20 Inch Od With 113 Teeth Ring Gear...
    29-072500002
    SKU:
    29-072500002
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $460.99
    Qty in Cart: 0
    Price:
    $460.99
    Subtotal:
  • BESTfit 20 Inch OD Flywheel W/ 113 Teeth For CAT 3306, 3406B, 3406E Engines

    BESTfit 20 Inch OD Flywheel W/ 113 Teeth For CAT 3306, 3406B, 3406E Engines

    BESTFIT TRUCK PARTS

    $402.99
    BESTfit Flat Flywheel W/ 10 Inch Opening, 12 Bolt Holes, 1 Dowel Pin Hole For 15 Inch Clutch* High Quality Flywheel* Dimensions  - 20 Inch Diameter  - 15 Inch Clutch  - 10 Inch Opening* (12) Bolt Holes For Mounting* Dowel Pin Hole* 113...
    29-072500001
    SKU:
    29-072500001
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $402.99
    Qty in Cart: 0
    Price:
    $402.99
    Subtotal:
  • BESTfit Detroit 60 Series Flywheel SAE 1  23514177, 23511177, 23509709

    BESTfit Detroit 60 Series Flywheel SAE 1 23514177, 23511177, 23509709

    BESTFIT TRUCK PARTS

    $419.99
    BESTfit Flywheel With 10 Inch Opening, 20 Inch OD Ring Gear With 118 TeethThis high quality flywheel SAE 1 that fits the Detroit 60 series has a ring gear with 118 teeth, it has 12 bolt mounting holes, and is flat with a 10 inch opening. The flywheel has...
    29-0723514177
    SKU:
    29-0723514177
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Diameter Options:
    20 Inch
    Style Options:
    Flat
    $419.99
    Qty in Cart: 0
    Price:
    $419.99
    Subtotal:
  • FREE SHIPPING
    Detroit 60 Series Engine 3 Piece Exhaust Manifold Kit, Turbo Mount - Medium Angled Center Section By BESTfit

    Detroit 60 Series Engine 3 Piece Exhaust Manifold Kit, Turbo Mount - Medium Angled Center Section By BESTfit

    BESTFIT TRUCK PARTS

    $359.99
    BESTfit Exhaust Manifold Kit With Medium Angled Center Turbo MountIntroducing 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...
    29-0723512897
    SKU:
    29-0723512897
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Availability:
    Ready To Ship
    $359.99
    Qty in Cart: 0
    Price:
    $359.99
    Subtotal:
  • FREE SHIPPING
    BESTfit 3 Piece Exhaust Manifold Kit, Turbo Mount - High / Flat Center Section For Detroit 60 Series Engine

    BESTfit 3 Piece Exhaust Manifold Kit, Turbo Mount - High / Flat Center Section For Detroit 60 Series Engine

    BESTFIT TRUCK PARTS

    $465.99
    BESTfit Exhaust Manifold Kit With High & Flat Center Turbo MountIntroducing 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...
    29-0723512896
    SKU:
    29-0723512896
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $465.99
    Qty in Cart: 0
    Price:
    $465.99
    Subtotal:
  • BESTfit Caterpillar C13 Flywheel Housing  With 14MM Mounting Holes

    BESTfit Caterpillar C13 Flywheel Housing With 14MM Mounting Holes

    BESTFIT TRUCK PARTS

    $948.99
    BESTfit SAE #1 Flywheel With Driver Side Starter Location* High Quality Flywheel Housing* Fits Caterpillar C13* Made Of Aluminum* 14MM Mounting Holes* SAE #1* Starter Location - Driver Side 9 O Clock* Sold Individually* Warranty On Flywheel Housings...
    29-072223089
    SKU:
    29-072223089
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Position:
    Driver Side
    Diameter Options:
    20 Inch
    Style Options:
    Flat
    $948.99
    Qty in Cart: 0
    Price:
    $948.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Engine Oil Cap Filler Replaces 12573337 & 8-12573-337-0 For Isuzu NPR With 6.0L Engine

    Engine Oil Cap Filler Replaces 12573337 & 8-12573-337-0 For Isuzu NPR With 6.0L Engine

    DAYTON / DORMAN

    $14.57
    Engine Oil Cap Filler Fits Isuzu NPR 2003-2013* High Quality Engine Oil Cap Filler* Black * 60 MM Diameter* Dipstick Not Included* 48 MM Height* Plastic Material* Twist-Lock Oil Cap * Oil Resistant* Sold Individually* Warranty On Engine Oil Cap Filler...
    29-072037
    SKU:
    29-072037
    Truck Class:
    Heavy Duty
    Make:
    Isuzu
    Product Type:
    Engine Parts
    $14.57
    Qty in Cart: 0
    Price:
    $14.57
    Subtotal:
  • BESTfit Oil Cooler For Detroit DD15 Engines - Replaces 4721800965

    BESTfit Oil Cooler For Detroit DD15 Engines - Replaces 4721800965

    BESTFIT TRUCK PARTS

    $333.99
    BESTfit Oil Cooler For Detroit DD15 Engines* High Quality Oil Cooler* For Detroit DD15 Applications* Sold Individually* Warranty On Oil Coolers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...
    29-072035
    SKU:
    29-072035
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $333.99
    Qty in Cart: 0
    Price:
    $333.99
    Subtotal:
  • BESTfit Oil Cooler For Detroit DD15 Engine - Replaces 4711800865

    BESTfit Oil Cooler For Detroit DD15 Engine - Replaces 4711800865

    BESTFIT TRUCK PARTS

    $274.99
    BESTfit Oil Cooler For Detroit DD15 Engine* High Quality Oil Cooler* For Detroit DD15 Applications* Sold Individually* Warranty On Oil Coolers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part...
    29-072034
    SKU:
    29-072034
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $274.99
    Qty in Cart: 0
    Price:
    $274.99
    Subtotal:
  • BESTfit Oil Pump For Detroit 60 Series EGR - Replaces 23527448

    BESTfit Oil Pump For Detroit 60 Series EGR - Replaces 23527448

    BESTFIT TRUCK PARTS

    $439.99
    BESTfit Oil Pump For Detroit 60 Series EGR* High Quality Oil Pump* For Detroit EGR 60 Series* Sold Individually* Warranty On Oil Pumps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)...
    29-072033
    SKU:
    29-072033
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $439.99
    Qty in Cart: 0
    Price:
    $439.99
    Subtotal:
  • BESTfit Oil Pump For Detroit 60 Series Engine - Replaces 23505886

    BESTfit Oil Pump For Detroit 60 Series Engine - Replaces 23505886

    BESTFIT TRUCK PARTS

    $464.99
    BESTfit Oil Pump For Detroit 60 Series Engine* High Quality Oil Pan* For Detroit 60 Series Engine* Sold Individually* Warranty On Oil Pans Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...
    29-072032
    SKU:
    29-072032
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $464.99
    Qty in Cart: 0
    Price:
    $464.99
    Subtotal:
  • BESTfit Oil Pump For Cummins L10, M11, ISM & QSM11 Engines - Replaces 3041186, 3895756, 3883910 & 3803379

    BESTfit Oil Pump For Cummins L10, M11, ISM & QSM11 Engines - Replaces 3041186, 3895756, 3883910 & 3803379

    BESTFIT TRUCK PARTS

    $266.99
    BESTfit Oil Pump For Cummins L10, M11, ISM & QSM11 Engines* High Quality Oil Pump* For Cummins L10, M11, ISM And QSM11* Sold Individually* Warranty On Oil Pumps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    29-072031
    SKU:
    29-072031
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $266.99
    Qty in Cart: 0
    Price:
    $266.99
    Subtotal:
  • TPHD Oil Pressure Sensor- Replaces 4921517 For Cummins ISX 15L Engine

    TPHD Oil Pressure Sensor- Replaces 4921517 For Cummins ISX 15L Engine

    TPHD

    $57.99
    Plastic & Brass Oil Pressure Sensor ByTPHDMonitor oil pressure accurately with the TPHD Oil Pressure Sensor for Cummins ISX 15L engines. Featuring a plastic and brass body with a three-terminal brass rectangle female connector, it ensures reliable oil...
    29-072030
    SKU:
    29-072030
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • 40 Quart Fiberglass Engine Oil Pan W/ Rear Sump For Detroit 60 Engine

    40 Quart Fiberglass Engine Oil Pan W/ Rear Sump For Detroit 60 Engine

    AUTOMANN USA

    $397.99
    40 Quart Fiberglass Rear Sump Engine Oil Pan 45 X 15 X 13.5 InchUpgrade your Detroit 60 engine with this heavy-duty 40 Quart Fiberglass Engine Oil Pan featuring a rear sump. The black fiberglass construction provides exceptional strength and heat...
    29-072029
    SKU:
    29-072029
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Availability:
    Ready To Ship
    $397.99
    Qty in Cart: 0
    Price:
    $397.99
    Subtotal:
  • 1.16 Inch Rubber Oil Drain Plug Gasket Replaces 3678606 For Cummins ISX 15L Engines

    1.16 Inch Rubber Oil Drain Plug Gasket Replaces 3678606 For Cummins ISX 15L Engines

    DAYTON / DORMAN

    $24.37
    Rubber Oil Drain Plug Gasket* High Quality Oil Drain Plug* Rubber-NBR Gasket* 0.12 Inch Gasket Thickness * 2.95 MM Gasket Thickness * 0.93 Inch Inside Diameter * 1.16 Inch Outside Diameter * 3 Gaskets Package Contents* 3 Package Quantity* Sold...
    29-072028
    SKU:
    29-072028
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $24.37
    Qty in Cart: 0
    Price:
    $24.37
    Subtotal:
  • Steel Oil Drain Plug For Detroit 60 Engine - Replaces 23505720

    Steel Oil Drain Plug For Detroit 60 Engine - Replaces 23505720

    DAYTON / DORMAN

    $11.86
    0.75 Inch X 14 Thread Size Oil Drain Plug* High Quality Oil Drain Plug* Magnetic* Conventional Drain Method* Gasket Included* 0.5 Head Size (SAE/Metric)* Steel Material* 0.63 Inch Shank Length * 4 Socket Points* 3/4 X 14 Thread Size* Sold Individually*...
    29-072027
    SKU:
    29-072027
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $11.86
    Qty in Cart: 0
    Price:
    $11.86
    Subtotal:
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Adding your products to cart

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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