Castrol Aero™ 40 is a high-performance aircraft shock strut and landing gear fluid designed to provide superior cushioning, wear protection, and corrosion resistance in demanding aviation environments. With its stable formulation and proven reliability, Aero 40 ensures smooth and consistent landing gear performance across a wide temperature range.

Performance highlights include:

• Specialized landing gear formulation, engineered for aircraft shock struts and oleo-pneumatic systems

• Excellent wear protection, extending service life of seals, struts, and hydraulic components

• Outstanding corrosion resistance, safeguarding systems against rust and environmental contaminants

• Thermal stability, maintaining consistent viscosity and performance in varying climates

• Meets aviation standards, trusted by MROs, fleet operators, and defense organizations worldwide

Packaged in a quart bottle, this size is ideal for aviation maintenance crews, MRO facilities, and fleet operators needing a convenient and precise supply of landing gear shock strut fluid. Castrol Aero 40 provides smooth operation, reduced maintenance, and reliable performance in both commercial and military aircraft.