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ATG19449 Alternator 40SI Delco 8600339 8600279 8600299 8600390 for Medium & Heavy Duty Trucks

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US$387.00

ITEMNO： ATG19449

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  • PRODUCT DETAILS

    ATG19449 Alternator 40SI Delco 8600339 8600279 8600299 8600390 LN4887JB A0014887JB for Heavy Duty Trucks 12V 275A IR/EF CW (No Pulley)

    OEM / Cross Reference Part Numbers
    8600339, 8600279, 8600299, 8600390, LN4887JB, ZLN4887JB, 4887JB, A0014887JB, 8600280

    Product Description

    The ATG19449 Alternator is a high-output 40SI Delco-style 12V 275A heavy-duty alternator, engineered for medium and heavy-duty truck applications. Designed as a premium aftermarket replacement for OEM Delco units, this alternator delivers powerful and stable charging performance for demanding commercial vehicle electrical systems.

    Built with IR/EF internal regulation technology and a robust CW (clockwise) rotation design, this unit ensures excellent efficiency, reduced voltage fluctuation, and long service life under continuous high-load operation. It is supplied as a 100% new unit without pulley, allowing flexibility for installation configurations.

    This alternator is widely used across major truck, bus, fire, construction, and industrial vehicle platforms, making it a reliable replacement for fleet maintenance and heavy-duty repair needs.

    Specifications

    ItemDetails
    Product TypeAlternator
    SeriesDelco 40SI
    Voltage12V
    Amperage275A
    RotationCW (Clockwise)
    Regulator TypeIR / EF
    PulleyWithout Pulley
    Condition100% New
    ApplicationMedium & Heavy Duty Trucks
    Weight12.8KG

    OEM & Cross Reference

    BrandPart Numbers
    Delco8600339, 8600279, 8600299, 8600390
    International / NavistarLN4887JB, ZLN4887JB
    Leece Neville4887JB, A0014887JB
    Volvo4887JB, 8600280


  • PRODUCT HIGHLIGHTS

    FeatureBenefit
    275A High OutputSupports high electrical load systems
    40SI Heavy-Duty DesignReliable performance for commercial fleets
    IR/EF Voltage RegulationStable charging and improved efficiency
    Heavy-Duty ConstructionLong service life in extreme conditions

  • SHIPPING

    Item Details
    Processing Time Orders are processed within 1-3 business days after payment confirmation
    Shipping Methods DHL/UPS/ FedEx/ TNT/ Air Freight/ Sea Freight
    Estimated Delivery Time Express shipping: 3-7 business days, depending on destination
    Packaging Export-standard cartons with protective inner packing
    Tracking Tracking number will be provided once the order is shipped
    Shipping Cost Calculated based on weight, dimensions, and destination

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    WARRANTY POLICY

    All new aftermarket parts come with a 1-Year warranty. Quality is the first thing we consider. Check out our Warranty Assistance for more details.

    SHIPPING POLICY

    We offer express and standard shipping options to ensure your off-road machine gets back in action—fast and reliably. For more details, please visit our Shipping Policy .

    EASY RETURN POLICY

    We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.

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