U.S. Customers: Orders shipped from Canada may be subject to U.S. import duties, taxes, and/or tariffs as assessed by U.S. Customs and your carrier. These charges are not included in our product prices or shipping rates. You are responsible for any duties/tariffs/fees due on delivery or prior to delivery.
Packed and shipped within Canada!

Original & OEM Quality Parts

Sierra
18-6852

Battery Isolator, 1-Alternator 2-Batteries 165A - 18-6852 - 47-6852F1

LSN 47-6852 MPN 18-6852 UPC 808282311568 MFR Sierra
Express
ON, Warehouse

"Express" items are automated and typically shipped out next available business day and delivered within 4 day.
In Stock
$343.99
Canadian Dollars
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Battery isolators allow you to charge multiple batteries from a single source.* Will not work with Delco "CS" style alternators.

Part #:47-6852
Manufacturer:SIERRA
Manufacturer Part #:18-6852
UPC:808282311568
Order In Multiples Of:1
Amps165
Application1 alternator / 2 batteries

Variations
47-6851Battery Isolator, 1-Alternator 2-Batteries 130A
47-6853Battery Isolator, 1-Alternator 2-Batteries 200A
47-6854Battery Isolator, 1-Alternator 3-Batteries 160A
47-6855Battery Isolator, 1-Alternator 2-Batteries 75A
47-6856Battery Isolator, 1-Alternator 2-Batteries 270A
Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of OEM and premium aftermarket marine and RV parts and accessories. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.