The Sea Horse EP‑140 Gear Oil (1 L) is a high-viscosity, extreme-pressure (EP) lubricant formulated for gearboxes, differentials, and industrial gear applications requiring GL‑4 performance. Blended with quality paraffinic base oils and EP additives, it offers reliable gear protection, reducing friction, wear, and gear noise under heavy load and high-temperature conditions. It maintains stable viscosity when heated, ensuring consistent lubrication across operating ranges, and is compatible with synchronizers, steel, and non-ferrous metal components like bushings.

Engineers and users report that Sea Horse EP‑140 helps extend component life, protect against rust and corrosion, and support smooth, quiet gear operation—even in demanding environments . The 1‑liter packaging makes it an affordable option for individual gearcase servicing or topping off, providing a budget-friendly, dependable choice for maintaining automotive or industrial gear systems with GL‑4 requirements.