Menu All Brands All Equipment Must Buy Member Club About Tianguan
Home Products

ATG19405 Alternator 50-897755T 897755T 8M0063970 8400080 8488 for Mercury Mariner Marine 75HP 90HP 115HP Outboard Engine Replacement

3 Reviews

Add Your Review

US$148.00

ITEMNO： ATG19405

IN STOCK
BUY NOW ADD TO CART

Good Packaging

Safe Payment

100k+ Customers Top Choice

1 Year Warranty

90-Day Return

24/7 Service

TAGS：

Product Details Product Highlights Shipping

  • PRODUCT DETAILS

    ATG19405 Alternator 50-897755T / 897755T / 8M0063970 / 8400080 / 8488 – Fits Mercury Mariner 75HP 90HP 115HP Outboard Engine 12V 50A Heavy Duty Replacement Alternator

    Part Numbers: 50-897755T, 897755T, 8M0063970, 8400080, 8488

    Cross Reference Numbers: Mercury 8M0063970, Delco 8400080, Sierra 18-6840


    Product Description

    The ATG19405 Alternator is a marine-grade replacement charging unit designed for Mercury and Mariner outboard engines, including 75HP, 90HP, and 115HP EFI 4-Stroke models.

    This alternator is a direct replacement for OEM references 50-897755T, 897755T, and 8M0063970, as well as Delco reference 8400080. It provides reliable 12V 50A charging output, maintaining battery power and supporting electrical systems on marine vessels.

    Featuring a durable Delco 5SI alternator design, ATG19405 includes an internal regulator, internal fan cooling, and a 4-groove serpentine pulley system for dependable performance in marine environments. 

    Specifications

    ItemDetails
    Product TypeAlternator
    Unit TypeDelco 5SI IR/IF
    Voltage12V
    Amperage50A
    Pulley4 Groove (4PK)
    Condition100% New
    Weight4.85 KG

    OEM & Cross Reference

    BrandPart Number
    Mercury Marine50-897755T, 897755T, 8M0063970
    Delco8400080
    ArrowheadADR0313
    EMP Parts4-6840
    J&N Electrical400-12367
    Lester8488

    Fitment

    BrandModel
    Mercury Mariner75HP, 90HP, 115HP Marine Outboard Engines


  • PRODUCT HIGHLIGHTS

    Product Highlights

    FeatureDescriptionBenefit
    OEM Replacement DesignReplaces Mercury 50-897755T / 8M0063970 alternatorsEnsures proper compatibility
    12V 50A OutputProvides stable marine charging powerMaintains battery performance
    Delco 5SI DesignProven alternator platformReliable operation and durability
    Internal RegulatorIntegrated voltage control systemSimplifies installation
    Marine Duty ConstructionDesigned for outboard engine environmentsResists vibration and harsh conditions
    Precision Pulley System4-groove serpentine pulleyEnsures proper belt engagement


  • 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

Need Help?

Our product experts will respond to your email within 24 business hours.

Question *

Name *

Email *

Verification code *

    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.

PRODUCT RECOMMENDATION

WhatsApp图标