Ignitions and Electrical› Charging Systems

ARCO MARINE

LATE MODEL MERCRUISER 12V 75 AMP MULTIGROOVE SERPENTINE PULLEY ALTERNATOR

$301.53

SKU: A09I 65055

In Stock
In Stock
Ships by Jun 12
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The ARCO MARINE 65055 is a new original equipment quality replacement alternator for late model Mercruiser engines. It is a 12 Volt, 75 Amp alternator with an internal regulator, a 2-inch mounting foot, and includes a multi-groove serpentine pulley. It replaces Mercury part numbers 807652T and 807653T, and Sierra part number 18-5945.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandARCO MARINE
Part NumberA09I 65055

Videos

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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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