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    Delco 3-Wire 12V 78-Amp 10SI used in Many Applications including Mercruiser, Volvo, Internally Regul

    Delco 3-Wire 12V 78-Amp 10SI used in Many Applications including Mercruiser, Volvo, Internally Regul
    Purchase Delco 3-Wire 12V 78-Amp 10SI used in Many Applications including Mercruiser, Volvo, Internally Regul

    SKU: 20053 OE#: 78403A2 Brand: API Marine Delco 3-Wire 12V 78-Amp 10SI used in Many Applications including Mercruiser, Volvo, Internally Regul

    $198.00

    Fits Mercury, OMC, Volvo & Others
    Can Replace Mando & Motorola
    Rplc. Merc #'s 78477, 78403A2
    Delco Style 10 Si
    Ignition Protected SAEJ1171
    3-Wire Hook-Up W/Neg. Ground
    Red Wire Is For Sensor
    Black Wire Is For Excitation
    20053 Can Be Interchanged With 20054
    Arco# 20104
    OE# 78403A2
    Sierra# 18-5951