![ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery [BI-1203-3A] Boat Outfitting | Deck / Galley Durable Construction: RhinoFLEX sewer hose](https://cdn.shopify.com/s/files/1/0614/9655/7734/files/106601XL.jpg?v=1731001289)
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Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
Durable Construction: RhinoFLEX sewer hose is made of 23 mils of durable polyolefin and reinforced with steel wire
Replacement alternator that will fit late model Mercruiser
Box Dimensions: 4"H x 8"W x 12"L WT: 3
Shock resistant construction
Support for all the latest target types such as ATONs and AIS MOB devices
ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery [BI-1203-3A] Boat Outfitting | Deck / Galley Durable Construction: RhinoFLEX sewer hoseBI 1203 3A Battery Isolator 120A 1 Alternator, 3 Battery The Arco Marine BI 1203 3A is an inboard outboard battery isolator that can handle 1 alternator, 3 batteries, and 120A max. Rated for use with 10 to 350 amp alternators on 12, 24, or 32 volt negative ground systems. *Includes exciter terminal Features: 1 alternator, 3 batteries, 120A max Inboard and outboard battery isolators are solid state devices that allow electrical current to flow in one
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