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Description
Meet the Attwood Sahara MK2 S500 Bilge Pump — a 500 GPH, 12V automatic bilge pump engineered for reliable drainage on boats of all sizes. Built for extended service life, it runs cooler and uses premium components to perform in both freshwater and saltwater environments. 
- Flow rate and automatic operation: 500 GPH at 12V with automatic on/off operation for hands-off bilge management.
- Cooler operation: Runs cooler to reduce heat buildup during extended drainage periods.
- Premium materials: Permanent magnet motor, stainless steel shaft, steel-reinforced seals for durability in harsh marine conditions.
- Air management: Patented X-Air™ impeller eliminates trapped air in the pump and pipework to reduce air-lock issues.
- Longevity enhancements: SteadySwitch™ reduces cycling, extending pump life.
- Installation and maintenance: External mounting feet and integrated outlet simplify setup and enable quick installation.
- Compatibility and service: Universal mounting pattern backwards compatible with popular bilge pumps; one-handed service cartridge for easy replacement in tight spaces.
- Usage environments: Rugged construction designed for reliability in freshwater and saltwater applications.
- Protection: 40% better protection against water ingress and electrolysis versus MK1; 2x better protection than leading competitors.
With 500 GPH at 12V and automatic operation, this pump provides dependable bilge drainage without constant monitoring, suitable for boats of all sizes including fiberglass and aluminum hulls. The Sahara MK2 runs cooler and uses premium components—permanent magnet motor, stainless steel shaft, steel-reinforced seals—delivering long service life in challenging freshwater and saltwater conditions. The patented X-Air™ impeller eliminates air pockets for consistent pumping and fewer air-locks, while SteadySwitch™ reduces cycling to extend pump life. External mounting feet and integrated outlet simplify installation, and the universal mounting pattern keeps it compatible with most popular bilge pumps. The one-handed service cartridge enables quick maintenance in tight spaces, minimizing downtime. Safety notice — WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
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