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ATG20802 Alternator 20R3599 / 321-8928 / 8600376 – Fits Caterpillar 3512C C4.4 C7.1 Engine 12V 120A Heavy Duty Replacement Alternator

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ITEMNO： ATG20802

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  • PRODUCT DETAILS

    ATG20802 Alternator 20R3599 / 321-8928 / 8600376 – Fits Caterpillar 3512C C4.4 C7.1 Engine 12V 120A Heavy Duty Replacement Alternator

    Part Numbers: 20R3599, 321-8928, 8600376

    Cross Reference Numbers:
    3218928, 8600376N, 20R-3599, A1820, 5606102, 101-03102

    Product Description

    The ATG20802 Alternator is a heavy-duty replacement charging unit designed for Caterpillar diesel engines, including 3512C, C4.4, and C7.1 engine applications used in construction machinery, generator sets, industrial equipment, and heavy-duty vehicles.

    This alternator replaces OEM references Cat 20R3599, 321-8928, and 8600376. It provides reliable 12V 120A charging output, ensuring stable electrical power for engine control systems, batteries, lighting, and onboard electrical components.

    Built for demanding Caterpillar applications, ATG20802 features a durable commercial-grade design with efficient cooling, reliable voltage regulation, and long service life for continuous-duty operation in harsh working environments. 


    Specifications

    ItemDetails
    Product NameAlternator
    Unit TypeDelco
    Voltage12V
    Amperage120A
    Weight6.32KG
    ApplicationCaterpillar 3512C / C4.4 / C7.1 Engines

    OEM & Cross Reference

    BrandPart Number
    CATERPILLAR20R3599
    CATERPILLAR321-8928
    DELCO8600376


  • PRODUCT HIGHLIGHTS

    Product Highlights

    FeatureDescriptionBenefit
    OEM Replacement DesignDirect replacement for Caterpillar 20R3599 / 321-8928 / 8600376Ensures proper fit and compatibility
    12V 120A High OutputProvides strong charging capacityMaintains stable electrical supply
    Heavy Duty ConstructionDesigned for industrial diesel applicationsSuitable for harsh operating conditions
    Efficient Cooling SystemOptimized heat dissipation designSupports long operating hours
    Internal RegulationBuilt-in voltage control systemProvides stable charging performance
    Reliable PerformanceManufactured for Caterpillar engine platformsReduces downtime and maintenance needs


  • 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

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    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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