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International DuraStar Engine & Performance Parts

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Belt Tensioner Assembly - 1.62 X 2.75 OD Pulley

    Belt Tensioner Assembly - 1.62 X 2.75 OD Pulley

    AFTERMARKET

    $606.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width 2.620 Inch  - Pulley O.D. 5.750 Inch* Number Of Grooves- 2* Sold Individually* Warranty On...
    29-07060004
    SKU:
    29-07060004
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $606.99
    Qty in Cart: 0
    Price:
    $606.99
    Subtotal:
  • Belt Tensioner Assembly - 1.279 X 2.952 OD Inch Pulley

    Belt Tensioner Assembly - 1.279 X 2.952 OD Inch Pulley

    AFTERMARKET

    $138.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.279 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060014
    SKU:
    29-07060014
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $138.99
    Qty in Cart: 0
    Price:
    $138.99
    Subtotal:
  • Belt Tensioner Assembly - 1.826 X 2.952 OD Inch Pulley Replaces 49587, 38634, 1873217C1

    Belt Tensioner Assembly - 1.826 X 2.952 OD Inch Pulley Replaces 49587, 38634, 1873217C1

    AFTERMARKET

    $211.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.826 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060020
    SKU:
    29-07060020
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $211.99
    Qty in Cart: 0
    Price:
    $211.99
    Subtotal:
  • Belt Tensioner Assembly - 1.574 X 2.952 OD Pulley

    Belt Tensioner Assembly - 1.574 X 2.952 OD Pulley

    AFTERMARKET

    $171.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.574 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060013
    SKU:
    29-07060013
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $171.99
    Qty in Cart: 0
    Price:
    $171.99
    Subtotal:
  • Belt Tensioner Assembly - 1.574 X 2.952 OD Inch Pulley

    Belt Tensioner Assembly - 1.574 X 2.952 OD Inch Pulley

    AFTERMARKET

    $173.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.574 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060016
    SKU:
    29-07060016
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $173.99
    Qty in Cart: 0
    Price:
    $173.99
    Subtotal:
  • Belt Tensioner Assembly - 1.535 X 2.952 OD Pulley

    Belt Tensioner Assembly - 1.535 X 2.952 OD Pulley

    AFTERMARKET

    $186.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 1.279 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies...
    29-07060008
    SKU:
    29-07060008
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $186.99
    Qty in Cart: 0
    Price:
    $186.99
    Subtotal:
  • Belt Tensioner Assembly - 1.279 X 2.952 OD Pulley

    Belt Tensioner Assembly - 1.279 X 2.952 OD Pulley

    AFTERMARKET

    $313.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width 1.279 Inch  - Pulley O.D. 2.952 Inch* Sold Individually* Warranty On Tensioner Assemblies Against...
    29-07060003
    SKU:
    29-07060003
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $313.99
    Qty in Cart: 0
    Price:
    $313.99
    Subtotal:
  • Belt Tensioner Assembly - 0.984 X 2.992 OD Pulley

    Belt Tensioner Assembly - 0.984 X 2.992 OD Pulley

    AFTERMARKET

    $129.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width- 0.984 Inch  - Pulley O.D. 2.992 Inch.* Number Of Grooves- 6* Sold Individually* Warranty On...
    29-07060011
    SKU:
    29-07060011
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • Belt Tensioner Assembly - 1.574 X 2.259 OD Pulley

    Belt Tensioner Assembly - 1.574 X 2.259 OD Pulley

    AFTERMARKET

    $398.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width 1.574 Inch/ 1.594 Inch/ 1.259 Inch  - Pulley O.D. 2.952 Inch/ 2.913 Inch/ 2.755 Inch* Sold...
    29-07060002
    SKU:
    29-07060002
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $398.99
    Qty in Cart: 0
    Price:
    $398.99
    Subtotal:
  • Belt Tensioner Assembly - 1.811 X 2.992 OD Pulley

    Belt Tensioner Assembly - 1.811 X 2.992 OD Pulley

    AFTERMARKET

    $159.99
    Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - Pulley Width 1.811 Inch  - Pulley O.D. 2.992 Inch* Sold Individually* Warranty On Tensioner Assemblies Against...
    29-07060001
    SKU:
    29-07060001
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Make:
    Universal Items
    $159.99
    Qty in Cart: 0
    Price:
    $159.99
    Subtotal:
  • Fleetguard WF2127 Spin On Water Filter For Cummins ISX QSX Models

    Fleetguard WF2127 Spin On Water Filter For Cummins ISX QSX Models

    OPP - ORIGINAL PARTS PROGRAM

    $55.99
    Coolant Filter For Cummins ISX Engines* High Quality Water Filter* Spin On* Sold Individually* Warranty On Water Filters Against Defects In Workmanship & Material From Date Of Purchase*** This Is An...
    WF2127FLG
    SKU:
    WF2127FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • FLEETGUARD LF-3883 Spin On Hydraulic Oil Filter For International 4300

    FLEETGUARD LF-3883 Spin On Hydraulic Oil Filter For International 4300

    OPP - ORIGINAL PARTS PROGRAM

    $40.67
    Full-Flow Spin-On Lube FilterThe FleetGuard Full-Flow Spin-On Lube Filter offers top-notch oil filtration for International, Perkins, and Agco engines. With high efficiency, it removes contaminants,...
    LF3883FLG
    SKU:
    LF3883FLG
    Material Options:
    Fiberglass
    Truck Class:
    Heavy Duty
    Make:
    International
    Product Type:
    Engine Parts
    $40.67
    Qty in Cart: 0
    Price:
    $40.67
    Subtotal:
  • On Sale
    Limited Quantity Available
    Nox Nitrogen Oxide Sensor Replaces BA036754C For Cummins

    Nox Nitrogen Oxide Sensor Replaces BA036754C For Cummins

    INQBRANDS

    Now: $154.59
    Was: $242.99
    12V Cummins NOX Sensor With 35.03 Inch LeadReplace a faulty nitrogen oxide sensor with this high-quality NOx Sensor designed for compatible Cummins engines. This 24-volt replacement assembly replaces...
    29-0710011
    SKU:
    29-0710011
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Peterbilt
    Make:
    International
    Make:
    Volvo
    Make:
    Kenworth
    Make:
    Western Star
    Ready To Ship:
    Yes
    Location:
    Made In USA
    Product Type:
    Engine Parts
    Now: $154.59
    Was: $242.99
    Qty in Cart: 0
    Price:
    Now: $154.59
    Was: $242.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    TPHD Nox Nitrogen Oxide Sensor Replaces BA026673A For Cummins

    TPHD Nox Nitrogen Oxide Sensor Replaces BA026673A For Cummins

    TPHD

    Now: $153.10
    Was: $250.89
    12V Cummins NOX Sensor With 23.228 Inch LeadThe NOx sensor for Cummins with a 590mm lead and 12-volt power replaces part numbers BA026673A, 289494, 3687334, 5WK96673A, 577.90651, and 904-6019. This...
    29-0710010
    SKU:
    29-0710010
    Truck Class:
    Heavy Duty
    Make:
    International
    Make:
    Kenworth
    Make:
    Western Star
    Make:
    Peterbilt
    Make:
    Freightliner
    Make:
    Volvo
    Ready To Ship:
    Yes
    Location:
    Made In USA
    Product Type:
    Engine Parts
    Now: $153.10
    Was: $250.89
    Qty in Cart: 0
    Price:
    Now: $153.10
    Was: $250.89
    Subtotal:
  • Poly Serpentine V Belt Replaces 4080700X

    Poly Serpentine V Belt Replaces 4080700X

    AFTERMARKET

    $81.99
    V Style Poly Serpentine Belt* High Quality Serpentine Belt* Poly * V Style * Sold Individually* Warranty On Serpentine Belts Against Defects In Workmanship & Material From Date Of Purchase*** High...
    29-07060078
    SKU:
    29-07060078
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Volvo
    Make:
    Mack
    Product Type:
    Engine Parts
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
  • BESTfit Turbocharger Replaces 1679271, OR7299 For Caterpillar 3406E, C15 Engines

    BESTfit Turbocharger Replaces 1679271, OR7299 For Caterpillar 3406E, C15 Engines

    BESTFIT TRUCK PARTS

    $1,299.99
    Replacement Aftermarket Caterpillar 3406E / C15 Series Turbocharger By BESTfit* High Quality Turbocharger* Low Pressure Stage * Sold Individually* Warranty On Turbochargers Against Defects In...
    29-07040017
    SKU:
    29-07040017
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Engine Parts
    $1,299.99
    Qty in Cart: 0
    Price:
    $1,299.99
    Subtotal:
  • BESTfit Turbocharger Replaces 3804502 For Cummins N14 Engines

    BESTfit Turbocharger Replaces 3804502 For Cummins N14 Engines

    BESTFIT TRUCK PARTS

    $738.99
    Replacement Aftermarket Cummins N14 Series Turbocharger By BESTfit* High Quality Turbocharger* Model Type- HT 60 * Sold Individually* Warranty On Turbochargers Against Defects In Workmanship &...
    29-07040016
    SKU:
    29-07040016
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    $738.99
    Qty in Cart: 0
    Price:
    $738.99
    Subtotal:
  • BESTfit Turbocharger Replaces 4089754 For Cummins ISX Engines

    BESTfit Turbocharger Replaces 4089754 For Cummins ISX Engines

    BESTFIT TRUCK PARTS

    $706.99
    Replacement Cummins ISX Turbocharger By BESTfit* High Quality Turbocharger* Sold Individually* Warranty On Turbochargers Against Defects In Workmanship & Material From Date Of Purchase*** High...
    29-07040004
    SKU:
    29-07040004
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Product Type:
    Engine Parts
    $706.99
    Qty in Cart: 0
    Price:
    $706.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    3-Wire Alternator Connector W/ 1 12 AWG Lead & 2 18 AWG Leads For GM Alternators W/ Internal Voltage Regulator Replaces 12101895

    3-Wire Alternator Connector W/ 1 12 AWG Lead & 2 18 AWG Leads For GM Alternators W/ Internal Voltage Regulator Replaces 12101895

    AFTERMARKET

    Now: $5.13
    Was: $21.11
    3-Wire Alternator Connector W/ 1 12 AWG Lead & 2 18 AWG Leads Replaces 12101895 GM Alternators W/ Internal Voltage RegulatorKeep your charging system properly connected with this high-quality 3-Wire...
    29-16030005
    SKU:
    29-16030005
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $5.13
    Was: $21.11
    Qty in Cart: 0
    Price:
    Now: $5.13
    Was: $21.11
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    Stainless Steel 10MM Nylon Insert Lock Nut W/ 1 Inch Diameter 6 MM Thickness

    Stainless Steel 10MM Nylon Insert Lock Nut W/ 1 Inch Diameter 6 MM Thickness

    AFTERMARKET

    Now: $0.08
    Was: $0.34
    10MM Nylon Insert Lock Nut Stainless Steel W/ 1 Inch Diameter 6 MM ThicknessThis 6MM stainless-steel lock nut has a molded nylon insert to lock a bolt into place. Its hex design allows it to be...
    1L2550000A20000
    SKU:
    1L2550000A20000
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Product Type:
    Engine Parts
    Now: $0.08
    Was: $0.34
    Qty in Cart: 0
    Price:
    Now: $0.08
    Was: $0.34
    Subtotal:
  • Total: items /

Adding your products to cart

Elevate your International DuraStar's performance with a diverse selection of premium engine parts and accessories. This product lineup offers everything necessary to enhance power and efficiency, including turbochargers, exhaust systems, fuel pumps, and more, all crafted to ensure your truck operates at its peak. With reliable brands like Bully Dog, FASS, and Borg Warner, these components are engineered for durability and performance. Whether you're looking for a replacement turbocharger, an upgraded fuel system, or a custom exhaust, you'll discover the perfect parts to suit your needs and keep your DuraStar ready for the road. These upgrades, from increased power output to better fuel efficiency, are designed to provide tangible benefits. Keep your truck running strong and performing at its best with high-quality solutions from this extensive selection.

Frequently Asked Questions About International DuraStar Engine & Performance Parts

Will these engine and performance parts fit my specific International DuraStar model and engine?

The DuraStar was built over many years with different engine options, including various MaxxForce and International diesel engines, so fitment can vary significantly by model year and engine type. Before ordering, check the part description for listed year ranges and engine compatibility, and have your VIN or engine serial number on hand to confirm the match. If you are unsure, reach out to our team for help verifying fitment before you buy.

Are these parts OEM, aftermarket, or a mix of both?

Our International DuraStar engine and performance parts category includes both OEM and quality aftermarket options. Each product listing specifies the brand and part type so you can choose based on your budget and preference for original equipment versus aftermarket alternatives. If a listing does not clearly state OEM or aftermarket, feel free to contact us for clarification.

What is typically included when I order a part like a turbo, sensor, or gasket kit?

This depends on the specific part. Some components, such as gasket or seal kits, include all necessary hardware and instructions for a complete repair, while individual components like sensors or turbochargers may ship as standalone parts without mounting hardware. Always review the product description and included parts list carefully before purchase to avoid ordering additional pieces separately.

Do I need professional installation for engine and performance parts, or can I install them myself?

Many smaller components, such as sensors, belts, or filters, can be installed by experienced DIYers with the right tools. However, parts involving major engine work, such as turbochargers, injectors, or internal engine components, often require specialized tools, torque specifications, and diagnostic equipment, so professional installation is strongly recommended for these to avoid costly mistakes or engine damage.

How do I know if a performance part will affect my emissions compliance or warranty?

Modifying engine components, especially those related to fuel delivery, exhaust, or emissions systems, can affect your truck's emissions compliance and may void portions of your factory warranty. We recommend checking local and federal regulations for on-road use and consulting your engine's warranty documentation before installing any aftermarket performance upgrades. If you have questions about a specific part's compliance status, contact our team for guidance.


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