Internally regulated alternator

A robust 170‑amp, 12V alternator with a single‑foot internal regulator and K6 pulley for easy mounting. It delivers reliable power output, high efficiency, and durable construction ideal for marine or RV use.

ARCO 60125 Marine Premium Replacement Inboard Alternator W/Single Groove Pulley - 12V 55A. This product is a premium replacement alternator designed for inboard use on marine engines.

Arco marine alternator with multi-groove serpentine pulley and 12V/65A output for late model Mercruiser engines.