The Marine Lower Unit Fluid Pump is designed to circulate lubricating oil in marine outboard and sterndrive systems. It ensures proper cooling and lubrication of the lower unit components to prevent overheating and wear. These pumps are essential for maintaining the longevity and performance of marine engines.

Size: Varies (typically 1" to 6" inlet/outlet)

Grade: Marine-grade, corrosion-resistant

Viscosity Range: 10W-30 to 90W-140 (depends on application)

Buoyancy: Neutral to slightly positive (depends on material)

Material: Stainless steel, bronze, or composite polymers

Flow Rate: 5 GPM to 500 GPM (varies by model)

Pressure Rating: 50 PSI to 300 PSI

Temperature Range: -20°F to 250°F (-29°C to 121°C)

Seal Type: Mechanical or lip seal (water-resistant)

Mounting: Flange or direct shaft coupling

Compatibility: Saltwater/freshwater, hydraulic/gear oil

Weight: 5 lbs to 150 lbs (depends on size/material)

Certifications: ABYC, ISO, or NMMA compliant (varies)