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Voltage Sensitive Relay (VSR)

Marsoni M251S
Sale price$36.95
Pay 4 payments of $9.24 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Voltage Sensitive Relay (VSR)VSR (Voltage Sensitive Relay) or ACR (Automatic Charging Relay) are automatically controlled switches that allow two batteries to be combined when charging, and to be isolated when not charging and current is draining from one of the batteries. When used with battery switches, a VSR helps to reserve a fully charged battery at all time, avoiding a dead battery at sea. Features Automatically combines two batteries when charging and isolates the two
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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]
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4.5 ★★★★★
Based on 2319 reviews
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Verified Purchase
Steven Garcia
Battle Creek, US
★★★★★ 5
Fits like a glove
Filter my air
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026
A
Verified Purchase
Amazon Customer
Belleville, US
★★★★★ 5
Noticeable scent difference compared to factory standard
Smells clean for months. We are mainly gravel roads and these cabin filters do a great job
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Reviewed in the United States on April 3, 2026
G
Verified Purchase
Gary H.
Port Orchard, US
★★★★★ 5
It fits perfectly.
Great replacement and a very good price.
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Reviewed in the United States on January 17, 2026
A
Verified Purchase
Amazon Customer
Bozeman, US
★★★★★ 5
Nice and a good price.
Fit our F250 Diesel well.
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Reviewed in the United States on November 10, 2025
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Verified Purchase
Rick
Natrona Heights, US
★★★★★ 5
Great fitment
Nice fitment
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Reviewed in the United States on December 15, 2025

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