null
Shop by Make, Model & Year
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
  • BESTfit Front Engine Cover For Cummins N-14 Models

    BESTfit Front Engine Cover For Cummins N-14 Models

    BESTFIT TRUCK PARTS

    $479.99
    BESTfit N-14 Cummins Front Engine Cover For Tilt Engine ApplicationThis high quality front engine cover that fits Cummins N-14 models has the accessory drive bushing installed and for a tilt engine application a trunion sleeve must be used. The cover...
    29-073411458
    SKU:
    29-073411458
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $479.99
    Qty in Cart: 0
    Price:
    $479.99
    Subtotal:
  • Cummins 5.9 L Flywheel By BESTfit

    Cummins 5.9 L Flywheel By BESTfit

    BESTFIT TRUCK PARTS

    $199.99
    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
    $199.99
    Qty in Cart: 0
    Price:
    $199.99
    Subtotal:
  • BESTfit 3 Piece Exhaust Manifold Kit For Cummins N14 Engine - Replaces 3078322, 3078323 & 3078324

    BESTfit 3 Piece Exhaust Manifold Kit For Cummins N14 Engine - Replaces 3078322, 3078323 & 3078324

    BESTFIT TRUCK PARTS

    $417.99
    BESTfit 3 Piece Exhaust Manifold Kit For Cummins N14 1995 & NewerIntroducing 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...
    29-073078322
    SKU:
    29-073078322
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $417.99
    Qty in Cart: 0
    Price:
    $417.99
    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

    $437.99
    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
    $437.99
    Qty in Cart: 0
    Price:
    $437.99
    Subtotal:
  • BESTfit Front Sump Oil Pan Gasket For Cummins N14

    BESTfit Front Sump Oil Pan Gasket For Cummins N14

    BESTFIT TRUCK PARTS

    $16.41
    BESTfit Front Sump Oil Pan Gasket* High Quality Oil Pan Gasket* Fits Cummins Front Sump N14 Oil Pan* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM)***
    29-073032861
    SKU:
    29-073032861
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $16.41
    Qty in Cart: 0
    Price:
    $16.41
    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

    $445.99
    9 Gallon Steel Rear Sump Oil Pan* High Quality Rear Sump N14 Oil Pan* Fits Cummins NT855 Big Cam III & IV and N14* Rear Sump Steel Oil Pan With Pick-Up Tube And Clips* Oil Capacity - 9 Gallons* Upper Suction Pick-Up For Low Pressure Oil Pump* Gasket Not...
    29-073031959
    SKU:
    29-073031959
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $445.99
    Qty in Cart: 0
    Price:
    $445.99
    Subtotal:
  • BESTfit 20 Inch Flywheel Replaces 244-1636 For Caterpillar 3406E C15

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

    BESTFIT TRUCK PARTS

    $411.99
    BESTfit Flywheel For 15 Inch Clutch Fits CaterpillarThis high quality 20 inch flywheel that fits the Caterpillar 3406E has 12 bolt mounting holes, 15 inch clutch size, and includes a ring gear with 113 teeth. The flywheel has a 306 pilot bearing, is a...
    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

    $438.99
    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
    $438.99
    Qty in Cart: 0
    Price:
    $438.99
    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

    $367.99
    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
    $367.99
    Qty in Cart: 0
    Price:
    $367.99
    Subtotal:
  • BESTfit Flywheel SAE 1 Replaces 23514177, 23511177 & 23509709 For Detroit 60 Series

    BESTfit Flywheel SAE 1 Replaces 23514177, 23511177 & 23509709 For Detroit 60 Series

    BESTFIT TRUCK PARTS

    $393.99
    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
    $393.99
    Qty in Cart: 0
    Price:
    $393.99
    Subtotal:
  • FREE SHIPPING OVER $219
    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

    $374.99
    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
    $374.99
    Qty in Cart: 0
    Price:
    $374.99
    Subtotal:
  • FREE SHIPPING OVER $219
    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 Aluminum Flywheel Housing For Caterpillar C13 With 14MM Mounting Holes

    BESTfit Aluminum Flywheel Housing For Caterpillar C13 With 14MM Mounting Holes

    BESTFIT TRUCK PARTS

    $881.99
    BESTfit SAE #1 Flywheel With Driver Side Starter Location* High Quality Aluminum Flywheel Housing* Fits Caterpillar C13* 14MM Mounting Holes* SAE #1* Starter Location - Driver Side 9 O Clock* Sold Individually* Warranty On Flywheel Housings Against...
    29-072223089
    SKU:
    29-072223089
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $881.99
    Qty in Cart: 0
    Price:
    $881.99
    Subtotal:
  • FREE SHIPPING OVER $219
    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

    $12.23
    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
    $12.23
    Qty in Cart: 0
    Price:
    $12.23
    Subtotal:
  • BESTfit Oil Cooler For Detroit DD15 Engines - Replaces 4721800965

    BESTfit Oil Cooler For Detroit DD15 Engines - Replaces 4721800965

    BESTFIT TRUCK PARTS

    $304.99
    BESTfit Oil Cooler For Detroit DD15 Engines* High Quality Oil Cooler* For Detroit DD15 Applications* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***** Please Verify OE Numbers Before Purchasing This Part, There May Be More...
    29-072035
    SKU:
    29-072035
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $304.99
    Qty in Cart: 0
    Price:
    $304.99
    Subtotal:
  • BESTfit Oil Cooler For Detroit DD15 Engine - Replaces 4711800865

    BESTfit Oil Cooler For Detroit DD15 Engine - Replaces 4711800865

    BESTFIT TRUCK PARTS

    $258.99
    BESTfit Oil Cooler For Detroit DD15 Engine* High Quality Oil Cooler* For Detroit DD15 Applications* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***** Please Verify OE Numbers Before Purchasing This Part, There May Be More...
    29-072034
    SKU:
    29-072034
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $258.99
    Qty in Cart: 0
    Price:
    $258.99
    Subtotal:
  • BESTfit Oil Pump For Detroit 60 Series EGR - Replaces 23527448

    BESTfit Oil Pump For Detroit 60 Series EGR - Replaces 23527448

    BESTFIT TRUCK PARTS

    $418.99
    BESTfit Oil Pump For Detroit 60 Series EGR* High Quality Oil Pump* For Detroit EGR 60 Series* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***** Please Verify OE Numbers Before Purchasing This Part, There May Be More Than One...
    29-072033
    SKU:
    29-072033
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $418.99
    Qty in Cart: 0
    Price:
    $418.99
    Subtotal:
  • BESTfit Oil Pump For Detroit 60 Series Engine - Replaces 23505886

    BESTfit Oil Pump For Detroit 60 Series Engine - Replaces 23505886

    BESTFIT TRUCK PARTS

    $442.99
    BESTfit Oil Pump For Detroit 60 Series Engine* High Quality Oil Pan* For Detroit 60 Series Engine* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***** Please Verify OE Numbers Before Purchasing This Part, There May Be More Than...
    29-072032
    SKU:
    29-072032
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $442.99
    Qty in Cart: 0
    Price:
    $442.99
    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

    $244.99
    BESTfit Oil Pump For Cummins L10, M11, ISM & QSM11 Engines* High Quality Oil Pump* For Cummins L10, M11, ISM And QSM11* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***** Please Verify OE Numbers Before Purchasing This Part,...
    29-072031
    SKU:
    29-072031
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $244.99
    Qty in Cart: 0
    Price:
    $244.99
    Subtotal:
  • Plastic & Brass Oil Pressure Sensor For Cummins ISX 15L Engine - Replaces 4921517

    Plastic & Brass Oil Pressure Sensor For Cummins ISX 15L Engine - Replaces 4921517

    TPHD

    $50.90
    Plastic & Brass Oil Pressure Sensor* High Quality Oil Pressure Sensor* Plastic Brass Material* Brass Rectangle Female Connector* 3 Connector* Female/Male Connector/Terminal* Wire Harness Not Included* Sold Individually* Warranty On Oil Pressure Sensor...
    29-072030
    SKU:
    29-072030
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    $50.90
    Qty in Cart: 0
    Price:
    $50.90
    Subtotal:
  • Total: items /

Adding your products to cart

View Cart Continue Shopping

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.