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International Truck Engine Parts

For a top-notch semi truck that runs like a dream, it's important to have excellent International engine parts installed that are designed for durability, efficiency, reliability, and power. At 4 State Trucks, we have a huge selection of aftermarket and custom engine parts and accessories that are all built to last. We've got what you need to ramp up the power of your International so it works as hard as you do.
  • Product
  • Qty in Cart
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  • FREE SHIPPING OVER $249
    Spin-On Fuel/Water Separator FS1212

    Spin-On Fuel/Water Separator FS1212

    OPP - ORIGINAL PARTS PROGRAM

    $26.46
    Cummins Filtration Fuel/Water Separator* High Quality Separator Filter* Overall Height: 201.17MM (7.92 Inch)* Largest OD: 93.73MM (3.69 Inch)* Thread Size: 1-14 UNS-2B* Sold Individually* Warranty On...
    FS1212FLG
    SKU:
    FS1212FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $26.46
    Qty in Cart: 0
    Price:
    $26.46
    Subtotal:
  • FREE SHIPPING OVER $249
    FS1065 Fleetguard Fuel Filter/Water Separator Cummins ISL

    FS1065 Fleetguard Fuel Filter/Water Separator Cummins ISL

    OPP - ORIGINAL PARTS PROGRAM

    $48.77
    FS1065 Fleetguard Fuel Filter With Water Separator Cummins ISLThe filter has efficient filtration function, which can improve the fuel rate of the engine, protect your engine and prolong its service...
    FS1065FLG
    SKU:
    FS1065FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $48.77
    Qty in Cart: 0
    Price:
    $48.77
    Subtotal:
  • FREE SHIPPING OVER $249
    FS1040 Fuel Filter Cummins ISX

    FS1040 Fuel Filter Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $59.99
    FS1040 Fuel Filter Cummins ISX* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filter Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    FS1040FLG
    SKU:
    FS1040FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • FREE SHIPPING OVER $249
    FF5686 Fleetguard Fuel Filter Cummins ISX

    FF5686 Fleetguard Fuel Filter Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $103.99
    FF5686 Fleetguard Fuel Filter Cummins ISX* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filter Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    FF5686FLG
    SKU:
    FF5686FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    Subtotal:
  • FREE SHIPPING OVER $249
    FF5632 Fleetguard Fuel Filter Cummins ISB

    FF5632 Fleetguard Fuel Filter Cummins ISB

    OPP - ORIGINAL PARTS PROGRAM

    $33.40
    FF5632 Fleetguard Fuel Filter Cummins ISB* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filter Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    FF5632FLG
    SKU:
    FF5632FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $33.40
    Qty in Cart: 0
    Price:
    $33.40
    Subtotal:
  • FREE SHIPPING OVER $249
    Fleetguard Fuel Filter For FASS Fuel System FF5588

    Fleetguard Fuel Filter For FASS Fuel System FF5588

    FASS

    $44.30
    FF5588 Fleetguard Fuel Filter For FASS Fuel System* Physical Dimensions:  Largest OD - 3.75 Inch  Overall Height - 8 Inch  Thread Size - 1.5 -16 UN-2B* Sold Individually* Warranty On Fuel Filter...
    FF5588FLG
    SKU:
    FF5588FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $44.30
    Qty in Cart: 0
    Price:
    $44.30
    Subtotal:
  • FleetGuard FF5369WFLG Fuel Filter

    FleetGuard FF5369WFLG Fuel Filter

    OPP - ORIGINAL PARTS PROGRAM

    $14.88
    FleetGuard FF5369WFLG Fuel FilterFleetguard fuel filtration products deliver best-in-class performance by using proprietary Stratapore or Nanonet media, which remove and hold onto harmful...
    FF5369WFLG
    SKU:
    FF5369WFLG
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Volvo
    Make:
    Peterbilt
    Make:
    Mack
    Make:
    International
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $14.88
    Qty in Cart: 0
    Price:
    $14.88
    Subtotal:
  • Fuel Filter For CAT 3126 Engines

    Fuel Filter For CAT 3126 Engines

    OPP - ORIGINAL PARTS PROGRAM

    $27.33
    FF5324FLG Fuel Filter For Caterpillar 3126 Engines* High Quality Fuel Filter* FleetGaurd* Works With CAT 3126* Sold Individually* Warranty On Fuel Filters Against Defects In Workmanship & Material...
    FF5324FLG
    SKU:
    FF5324FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $27.33
    Qty in Cart: 0
    Price:
    $27.33
    Subtotal:
  • FREE SHIPPING OVER $249
    Fleetguard FF5320 Spin-On Fuel Filter For FASS Titanium Fuel System

    Fleetguard FF5320 Spin-On Fuel Filter For FASS Titanium Fuel System

    FASS

    $22.17
    Fleetguard FF5320 Spin-On Fuel Filter Fits FASS Titanium Fuel System* High Quality Fuel Filter* For FASS Fuel System T150* Sold Individually* Made In USA* Warranty On Fuel Filters Against Defects In...
    FF5320FLG
    SKU:
    FF5320FLG
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $22.17
    Qty in Cart: 0
    Price:
    $22.17
    Subtotal:
  • Fuel Filter Spin On FF5269 For International 4300 With Dt466

    Fuel Filter Spin On FF5269 For International 4300 With Dt466

    OPP - ORIGINAL PARTS PROGRAM

    $32.60
    Spin On Fuel Filter* High Quality Fuel Filter* Overall Height 6.636 Inch (168.55 Mm)* Largest OD 4.239 Inch (107.67 Mm) * Seam OD 4.236 Inch (107.59 Mm)* Gasket OD 2.806 Inch (71.27 Mm) * Gasket...
    FF5269FLG
    SKU:
    FF5269FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $32.60
    Qty in Cart: 0
    Price:
    $32.60
    Subtotal:
  • FREE SHIPPING OVER $249
    Fleetguard Fuel Filter 3406 A-B

    Fleetguard Fuel Filter 3406 A-B

    OPP - ORIGINAL PARTS PROGRAM

    $23.39
    Fleetguard Fuel Filter 3406 A-B* High Quality Fuel Filter* Sold Individually* Fits Many Makes And Models Of Trucks* Warranty On Fuel Filters Against Defects In Workmanship & Material From Date Of...
    FF5264FLG
    SKU:
    FF5264FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $23.39
    Qty in Cart: 0
    Price:
    $23.39
    Subtotal:
  • FREE SHIPPING OVER $249
    FF5207 Detroit 60 Series Fuel Filter

    FF5207 Detroit 60 Series Fuel Filter

    OPP - ORIGINAL PARTS PROGRAM

    $14.33
    Fleetguard FF5207 Spin-On FilterBest-in-class performance using advanced filtration media to remove harmful contaminants and ensure clean fuel systems.* High Quality Fuel Filter* VMRS044002002*...
    FF5207FLG
    SKU:
    FF5207FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $14.33
    Qty in Cart: 0
    Price:
    $14.33
    Subtotal:
  • FREE SHIPPING OVER $249
    FF5206 Detroit 60 Series Fuel Filter

    FF5206 Detroit 60 Series Fuel Filter

    OPP - ORIGINAL PARTS PROGRAM

    $12.57
    Fleetguard FF5206 Fuel Filter Replacement For Detroit DieselThe highly efficient 20 micron spin-on filter, Fleetguard FF5206 Fuel Filter, is designed to remove dirt, dust, and other contaminants from...
    FF5206FLG
    SKU:
    FF5206FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $12.57
    Qty in Cart: 0
    Price:
    $12.57
    Subtotal:
  • FREE SHIPPING OVER $249
    FF2203 Fleetguard Fuel Filter Cummins ISX

    FF2203 Fleetguard Fuel Filter Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $40.85
    FF2203 Fleetguard Fuel Filter Cummins ISX* High Quality Fuel Filter* Alternate Fuel/Water Separator With Drain FS1023* Replaces OEM # 4010476* Sold Individually* Warranty On Fuel Filters Against...
    FF2203FLG
    SKU:
    FF2203FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $40.85
    Qty in Cart: 0
    Price:
    $40.85
    Subtotal:
  • FREE SHIPPING OVER $249
    FF2200FLG Cummins ISX Fuel Filter

    FF2200FLG Cummins ISX Fuel Filter

    OPP - ORIGINAL PARTS PROGRAM

    $32.90
    Fleetguard Filter-Fuel ID: FF2200* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filters Against Defects In Workmanship & Material From Date Of Purchase*** This Is An OEM Replacement...
    FF2200FLG
    SKU:
    FF2200FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $32.90
    Qty in Cart: 0
    Price:
    $32.90
    Subtotal:
  • FREE SHIPPING OVER $249
    FF105FLG Cummins Short Fuel Filter

    FF105FLG Cummins Short Fuel Filter

    OPP - ORIGINAL PARTS PROGRAM

    $14.33
    FF105 Cummins Short Fuel FilterDealing with fuel issues? The Fleetguard Cummins FF105 spin-on filter can help. Compatible with Cummins 154709, it efficiently filters out impurities, ensuring your...
    FF105FLG
    SKU:
    FF105FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $14.33
    Qty in Cart: 0
    Price:
    $14.33
    Subtotal:
  • FREE SHIPPING OVER $249
    Filter Fuel Water Separator Replaces Donaldson P557004 For MX Paccar Engines

    Filter Fuel Water Separator Replaces Donaldson P557004 For MX Paccar Engines

    OPP - ORIGINAL PARTS PROGRAM

    $64.99
    Donaldson Fuel Filter and Water Separator CartridgeThe Fuel Filter and Water Separator removes contaminants and water from the fuel system.* High Quality Fuel Water Separator Filter* P557004...
    DNP557004
    SKU:
    DNP557004
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $64.99
    Qty in Cart: 0
    Price:
    $64.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Filter Fuel Water Separator Donaldson P55 - 1000

    Filter Fuel Water Separator Donaldson P55 - 1000

    OPP - ORIGINAL PARTS PROGRAM

    $30.82
    Donaldson Spin-On Fuel Filter and Water Separator* High Quality Fuel Water Separator Filter* P551000 Donaldson Fuel Filter To Replace FS1000FLG* Thread: 1-14 UNF* Micron Rating: 10* Sold...
    DNP551000
    SKU:
    DNP551000
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $30.82
    Qty in Cart: 0
    Price:
    $30.82
    Subtotal:
  • 10 Micron Fuel Water Separator Filter

    10 Micron Fuel Water Separator Filter

    OPP - ORIGINAL PARTS PROGRAM

    $42.04
    Donaldson 10 Micron Fuel Water Separator FilterRemove contaminates and water from your fuel system with this Donaldson fuel filter and water separator cartridge. It separates water in the fuel system...
    DNP550849
    SKU:
    DNP550849
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $42.04
    Qty in Cart: 0
    Price:
    $42.04
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Filter Fuel For Davco Fuel Water Separator Donaldson

    Filter Fuel For Davco Fuel Water Separator Donaldson

    OPP - ORIGINAL PARTS PROGRAM

    Now: $16.84
    Was: $27.33
    Donaldson Fuel Filter and Water Separator Cartridge, EleMaxThis replacement fuel water separator works seamlessly with the Donaldson filter, part number P550467, which replaces the FS19624FLG filter...
    DNP550467
    SKU:
    DNP550467
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $16.84
    Was: $27.33
    Qty in Cart: 0
    Price:
    Now: $16.84
    Was: $27.33
    Subtotal:
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Adding your products to cart

International Semi Truck Engine Parts

When you're running an International, keeping that engine in top shape is non-negotiable. Whether you're a fleet manager or an owner-operator, you need parts that hold up mile after mile. Our aftermarket International semi truck engine parts are built for serious work—offering long-lasting performance at a price that won’t wreck your maintenance budget.

Heavy Duty Truck Engine Parts You Can Trust

Our International engine parts lineup is packed with the essentials your rig needs to stay reliable on the road. You’ll find everything from fuel injectors, oil pans, and turbochargers to cooling system components like coolant tubes and charge air cooler hoses. We also stock must-have maintenance items like water pumps and motor mounts. So, whether you're fixing a breakdown or upgrading to improve power and fuel efficiency, these parts help keep your International semi running strong and hauling hard.

Outstanding Features and Top Performance

Here’s what makes this collection a smart pick for your commercial big rig:
  • Fits a wide range of International models—like the 9200, 9400, 4700, and S1900
  • Built tough for heavy-duty, commercial use
  • Easy to install and maintain, saving you time in the shop
  • Priced right, with fast shipping to reduce your downtime
  • We know how valuable every mile is. That’s why we only offer International engine parts that deliver both performance and peace of mind.

    Shop Top Commercial Engine Parts Online at 4 State Trucks

    We’re your one-stop shop for International semi truck parts and accessories. Whether you’re replacing worn components or customizing your engine setup for better performance, we’ve got what you need to get it done. Explore more upgrades while you're here—from International truck lighting to custom steering wheels—and take your big rig build to the next level.

    Frequently Asked Questions About International Truck Engine Parts

    What International engine models are your parts compatible with?

    Our International engine parts are designed to fit a wide range of models including the DT466, DT530, MaxxForce 7, MaxxForce DT, MaxxForce 9, MaxxForce 10, MaxxForce 13, and the newer A26 engines. Each product listing includes specific engine model compatibility in the description. We recommend checking your engine serial number against our fitment guide or contacting our support team at 1-888-875-7787 if you need help confirming compatibility for your specific truck year and model.

    Are these OEM International parts or aftermarket replacements?

    We carry both genuine OEM International parts and high-quality aftermarket alternatives. OEM parts are clearly labeled in our product titles and descriptions. Our aftermarket options meet or exceed OEM specifications and often come from trusted manufacturers like Dorman, PAI Industries, and Interstate McBee. Many customers choose aftermarket parts for significant cost savings without sacrificing quality or fitment.

    What are the most common engine parts that need replacement on International trucks?

    Based on customer orders and feedback, the most frequently replaced International engine parts include EGR valves and coolers (especially on 2007-2012 MaxxForce engines), fuel injectors, turbochargers, oil coolers, and high-pressure oil pumps for DT466 engines. We also see high demand for sensors like cam position sensors, IPR valves, and MAP sensors. These components typically show wear between 150,000-300,000 miles depending on maintenance and operating conditions.

    Do you provide installation instructions or technical support for engine parts?

    While we do not include printed installation instructions with most engine parts, our technical support team can provide guidance and answer installation questions. We recommend having a qualified diesel technician perform engine part installations, as many components require specific torque specifications and procedures. For DIY customers, we can direct you to service manual resources and provide torque specs when available. Call our tech line during business hours for assistance.

    What is your return policy on International engine parts?

    We offer a 30-day return policy on most International engine parts that are unused and in original packaging. Electronic components like sensors and modules must be unopened to qualify for return. Core exchange items like turbochargers and injectors require the old core to be returned within 30 days to receive your core credit. Custom-ordered or special-order engine parts are typically non-returnable. Please review the specific return policy on each product page or contact us before ordering if you have questions about a particular part.


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