As the leading ship supplier in Ross Dependency, Propeller Performance Optimization, we specialize in delivering high-quality Outboard Motor Lower Unit Gear Case Oil Pump with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
The Outboard Motor Lower Unit Gear Case Oil Pump is a critical marine pump designed to circulate lubricating oil within the lower unit of an outboard motor. It ensures smooth gear operation and prevents overheating by maintaining proper oil flow. This pump is essential for the longevity and performance of marine engines.
Size: Typically ranges from 1.5 to 3 inches in diameter, depending on motor size.
Grade: Marine-grade lubricants, often meeting API GL-5 or higher standards.
Viscosity: Commonly SAE 80W-90 or SAE 90 for gear case applications.
Buoyancy: Not applicable; designed for submerged operation in marine environments.
Material: Aluminum or stainless steel housing with nitrile or Viton seals for corrosion resistance.
Pump Type: Gear-driven or impeller-based for oil circulation.
Pressure Rating: Typically operates at 10-30 psi depending on motor size.
Compatibility: Works with marine-specific lower unit oils and synthetic blends.
Seal Material: Buna-N or fluorocarbon for durability in saltwater.
Flow Rate: Varies between 0.5 to 3 GPM based on pump design.
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