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AeroShell Fluids

AeroShell is renowned for its hydraulic fluids, offering a wide range of products designed to protect aircraft hydraulic systems. These products include fire-resistant and super-clean fluids for enhanced reliability, extreme-pressure fluids designed to protect landing gear shock struts from wear, and specialist preserving fluids for hydraulic system components in storage. Browse the full range of AeroShell hydraulic fluids below.

All AeroShell Fluid Products

AeroShell Fluid 41 Hydraulic Fluid
AeroShell Fluid 41 Hydraulic Fluid
Silmid P/N: 
VAR0000078
In Stock
From £9.30 excl VAT
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AeroShell Fluid 3 General Purpose Mineral Lubricating Oil
AeroShell Fluid 3 General Purpose Mineral Lubricating Oil
Silmid P/N: 
VAR0000077
In Stock
From £12.40 excl VAT
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AeroShell Fluid 31 Aircraft Hydraulic Fluid
AeroShell Fluid 31 Aircraft Hydraulic Fluid
Silmid P/N: 
VAR0001254
In Stock
From £63.32 excl VAT
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AeroShell Fluid 12 Synthetic Ester Oil
AeroShell Fluid 12 Synthetic Ester Oil
Silmid P/N: 
VAR0000125
In Stock
From £46.75 excl VAT
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AeroShell LGF Landing Gear Fluid 5USG Pail *BMS3-32C Type II
AeroShell LGF Landing Gear Fluid 5USG Pail *BMS3-32C Type II
Silmid P/N: 
550001071
In Stock - 91 Available
£298.33 excl VAT
AeroShell Fluid 2XN Corrosion Preventative
AeroShell Fluid 2XN Corrosion Preventative
Silmid P/N: 
VAR0001546
In Stock
From £26.31 excl VAT
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AeroShell Fluid 61 Hydraulic Fluid 55USG Drum *MIL-PRF-46170E Type I
AeroShell Fluid 61 Hydraulic Fluid 55USG Drum *MIL-PRF-46170E Type I
Silmid P/N: 
ASF6100205
No Stock - Standard lead time 80 business days
£2825.22 excl VAT

Key Properties

  • Viscosity: Hydraulic fluids need to maintain a stable viscosity across a wide temperature range to ensure consistent performance. AeroShell fluids are formulated to provide optimal viscosity characteristics for the specific applications they are designed for

  • Lubricity: Proper lubrication is essential to minimise wear and tear on hydraulic components. AeroShell fluids include additives to enhance lubricity, reducing friction and extending the life of system parts

  • Thermal Stability: These fluids are engineered to resist oxidation and thermal degradation, which is crucial for maintaining performance and preventing the formation of sludge or deposits that can impair system operation

  • Corrosion Protection: AeroShell hydraulic fluids contain additives to protect against corrosion, which is particularly important in the harsh environments that aircraft often operate in

  • Compatibility: They are formulated to be compatible with the materials commonly used in aircraft hydraulic systems, such as seals and hoses, ensuring they do not cause damage or degradation over time

Brochure Spotlight

Aeroshell hydraulic fluids brochure with product tins

Particulates in hydraulic fluids can cause system failures through valve sticking, wear and blockages in nozzles and tubes. Particulates are especially challenging for modern hydraulic systems that operate at high pressures and have components with tight tolerances.

AeroShell Fluids 31 and 41 are formulated to protect hydraulic systems against failure by meeting super-clean standards. Their particulate contents are tightly controlled through special manufacturing processes, including multistage filtration, container cleaning just before filling and clean-room packaging conditions.

Content Spotlight: Introduction to Hydraulic Fluids in Aerospace

Close up of aircraft tyres on runway

Hydraulic systems are found in both commercial and military aircraft, converting pressurised fluids to power a variety of components. To reduce maintenance costs, selecting the right hydraulic fluid is essential, and the following introduction provides an insight into what considerations should be taken when choosing the right fluid.

It is vital that any oil selection is based on the OEM approvals and aircraft maintenance manual instructions. We have put together a downloadable full cross reference guide for hydraulic fluid specifications and approvals.