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USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 13 - Jun 18
For Your Every Summer RSVP, with Code: SUMMER15
Description
Newmar 1-3-165 Battery Isolator [1-3-165]1 3 165 Battery Isolator This heavy duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or dumping of one battery into another. Each battery is charged according to its need without overcharging and is rated for 12 , 24 , or 36 volt negative ground DC systems. Features: Conservatively rated diodes and a rustproof anodized aluminum heat sink case. Heavy duty construction Rated for
![Newmar 1-3-165 Battery Isolator [1-3-165] Newmar 1-3-165 Battery Isolator [1-3-165]](https://cdn.shopify.com/s/files/1/0747/6910/5144/files/102298XL.jpg?v=1770701512)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1794 reviews
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Product Reviews
★★★★★ 5
Nice replacement filter
Fits perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
★★★★★ 5
Easy to install
Easy to install, good quality, perfectly fit, and great price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2024
★★★★★ 5
08 CRV filter
Factory look, size and easy install. Good filter material.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 16, 2025
★★★★★ 5
👍
Fits.
Works.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 13, 2025
★★★★★ 5
Product quality.
This is a 1st time we are using this product; it seems working as it should, build quality is good for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 11, 2025
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![Newmar SS Switch - 7.5 AC Selector Switch [SS SWITCH7.5] Newmar SS Switch - 7.5 AC Selector Switch [SS SWITCH7.5]](https://cdn.shopify.com/s/files/1/0747/6910/5144/files/102427XL.jpg?v=1770701710)


