HP GEARLUBE – 5 GAL is a premium, high-performance marine gear lubricant designed to protect and extend the life of large outboard motors, sterndrives, and inboard gearcases. This heavy-duty lubricant is formulated to withstand the rigorous demands of marine environments, offering exceptional protection against wear, corrosion, water intrusion, and extreme pressure.
Ideal for professional marine technicians, fleet operators, and serious boaters, HP GEARLUBE – 5 GAL provides a durable lubricating film that minimizes metal-to-metal contact under high loads and prevents premature gear wear. The advanced formula resists foaming and oxidation, ensuring consistent performance even in challenging operating conditions such as high speeds, frequent shifting, and variable temperatures.
The lubricant’s strong water-resistant properties make it especially effective in saltwater and freshwater environments, where moisture contamination is common. HP GEARLUBE – 5 GAL maintains its viscosity and protective qualities despite water exposure, helping prevent rust, pitting, and corrosion inside the gearcase.
This large 5-gallon container is designed for high-volume users and maintenance facilities, offering excellent value and convenience for servicing multiple vessels or conducting frequent oil changes. It’s compatible with most marine gearboxes and recommended by leading outboard and sterndrive manufacturers for optimal protection and performance.
Using HP GEARLUBE – 5 GAL regularly as part of your maintenance schedule helps reduce repair costs by extending the service life of gears, bearings, seals, and other critical components. It promotes quieter, smoother operation and improves overall engine efficiency.
The lubricant is easy to handle and apply using standard marine gear lube pumps or bulk dispensing equipment, making it a practical choice for workshops and marinas. Its superior thermal stability ensures that it remains effective over a wide temperature range, from cold startups to high-heat operation.
For those seeking reliable, professional-grade marine gear protection, HP GEARLUBE – 5 GAL delivers unbeatable performance and peace of mind on every voyage.