Skydrol 500B-4 Aircraft Hydraulic Fluid

PJi is your complete source for Skydrol aviation hydraulic fluid, including Skydrol 500B-4. This popular hydraulic fluid used in aircraft is available in a variety of sizes, including quarts, gallons, and drums.

Made by Eastman, Skydrol is a phosphate ester-based hydraulic fluid that’s highly resistant to fire and performs well in extreme temperatures, making it the ideal aviation hydraulic fluid.

With your PJi account, you can easily order Skydrol hydraulic fluid online and take advantage of same-day shipping for in-stock fluids. If you need help finding the right hydraulic fluid for your aircraft, our aviation specialists will be happy to assist you.

Eastman 500B4-1GAL
Eastman 500B4-1GAL
1 Gallon
Works with: Bravo, 737-BBJ, 737-BBJ2, Challenger 300, Challenger 600, Challenger 601, Challenger 604, Challenger 605 (CL605), Challenger 850, Global Express & more...
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Available to Order
Lead Time: Call or chat with us
$198.75/ea.
QTY
Add to Cart+
Eastman 500B4-55GAL
Eastman 500B4-55GAL
55 Gallon Drum
Works with: Bravo, 737-BBJ, 737-BBJ2, Challenger 300, Challenger 600, Challenger 601, Challenger 604, Challenger 605 (CL605), Challenger 850, Global Express & more...
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In Stock
Ships in 1 business day
$9,468.75/ea.
QTY
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Eastman 500B4-5GAL
Eastman 500B4-5GAL
5 Gallon Drum
Works with: Bravo, 737-BBJ, 737-BBJ2, Challenger 300, Challenger 600, Challenger 601, Challenger 604, Challenger 605 (CL605), Challenger 850, Global Express & more...
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Available to Order
Lead Time: Call or chat with us
$803.33/ea.
QTY
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Eastman 500B4-QT
Eastman 500B4-QT
1 Quart
Works with: Bravo, 737-BBJ, 737-BBJ2, Challenger 300, Challenger 600, Challenger 601, Challenger 604, Challenger 605 (CL605), Challenger 850, Global Express & more...
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Available to Order
Lead Time: Call or chat with us
$48.50/ea.
QTY
Add to Cart+

What are the advantages of using Skydrol 500B-4?

Skydrol 500B-4 offers a number of advantages over other types of hydraulic fluids. The most worker-friendly of the aviation phosphate esters, it is the least irritating to the skin and less prone to form mists which can irritate the respiratory tract. 

In addition to its fire-resistant properties and performance in extreme temperatures, Skydrol 500B-4 hydraulic fluid also offers improved erosion resistance, as it contains the same anti-erosion additive and acid scavenger as Skydrol LD-4.

What are some common applications of Skydrol 500B-4 in the aviation industry?

Skydrol 500B-4 hydraulic fluid is widely used in a variety of aviation applications, including:

  • Landing gear of commercial and military aircraft
  • Flight control surfaces, including flaps, ailerons, and rudders
  • Aircraft braking systems
  • Thrust reversers of aircraft engines
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