★★★★★ 5
Spark plugs
As advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
Rule Rule-Mate 500 Fully Automated Bilge Pump - 12V - RM500B
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Rule Rule-Mate 500 Fully Automated Bilge Pump - 12V - RM500BRule Rule Mate 500 Fully Automated Bilge Pump 12V RM500B The Rule Mate 500 (RM500B) is a compact, efficient 500 GPH fully automatic bilge pump designed for small boats that need reliable, hands free bilge protection. With its built in solid state float switch, the pump automatically activates when water enters the bilgeeliminating the need for external switches or additional components. Using Rules advanced electronic water sensing technology, the
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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.
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4.6 ★★★★★
Based on 603 reviews
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Product Reviews
★★★★★ 5
Fits well, sane quality as the oem installed
Works really well, it fits and matches the original spark plugs and very easy to install. Very affordable! It starts right up , quality is very good and didn't have to adjust the gap on spark plugs!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 5, 2025
★★★★★ 5
Fresh Spark Plug for the Mowing Season
Just what my push mower needed! Very compatible with my Craftsman M220 push mower. It was the right replacement part and workings just like the original brand B&S plug. Gap was correct right out of the box as my push mower fired right up first pull. Would recommend for anybody with a Craftsman M220.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Good spark
Good fit. Fired right up
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Good deal on spark plugs
They worked perfectly for me
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
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