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Aeroshell Oil W 15 W 50 is a premium semi-synthetic multigrade ashless dispersant oil specifically developed for aviation piston engines. AeroShell Oil W 15 W 50 is a special blend of a high quality mineral oil and synthetic hydrocarbons with an advanced additive package that has been specifically formulated for multigrade applications.

The combination of non-metallic anti-wear additives and selected high viscosity index mineral and synthetic base oils, give exceptional stability, dispersancy and anti-foaming performance. The advanced additive package in AeroShell W 15 W 50 provides excellent protection to engines operating at extreme ambient temperatures. The ashless anti-wear additive package provides exceptional wear protection for camshafts and lifters and other wearing surfaces.

AeroShell 15W50 has become very popular amongst engine manufacturers and operators alike. In order to cater for those Lycoming engines that need improved load carrying, the Lycoming LW 16702 antiwear additive has been incorporated into the formulation thus eliminating the need for supplemental additive addition


  • Avco Lycoming 301F (Service Bulletin 1014J and revisions, 446C & 471)
  • Teledyne Continental MHS-24B (Service Bulletin M81-11 and revisions)
  • Pratt & Whitney All radial engines (Service Bulletin 1183 revision R)
  • FAA Airworthiness Directive 80-04-03


  • Promotes Engine Cleanness. The non-ash forming, polymeric additive was developed to help eliminate the harmful combustion chamber deposits that occur during normal operation.
  • Multigrade Performance allows for improved engine operation in temperature extremes.
  • Excellent Low Temperature characteristics provide easier cold weather starting and rapid lubrication of engine parts.
  • Reduces Oil Consumption in some cases by up to 50% and resists thickening at low temperatures.
  • Protects against oil cooler plugging.
  • All Season oil function since there is no need to change from a winter / summer grade depending on the ambient temperatures.
  • High Viscosity Index Semi-Synthetic Base Oils used, maintain their viscosity and help protect engine components more effectively under the high shear stresses that an engine places on lubricants.
  • Provides Compatibility with other approved aircraft piston engine oils. Since AeroShell Oil W 15W-50 is fully approved to SAE J-1899 and is listed on the relevant Qualified Products List (QPL), elaborate precautions are not needed when changing from similarly approved aircraft engine oils, as long as these oils are qualified products.
  • Reduces Fuel Consumption by up to 5% over straight grade engine oils.
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excellent product

Louis E
April 26, 2021

Great oil indeed. Whats even better is, as I live in the same state as one of Spruces distribution centers, and delivery is extremely fast.

John B
March 3, 2021

Product was supposed in stock in Los Angeles. It was out of stock so they 2 day shipped out of back east since I had already drained my oil.

Duane M
February 23, 2021

Very pleased , all steps were smooth and straight forward . Always great service and a good web site. Top marks

Clayton S
February 18, 2021

Received in two days. Excellent service.

February 17, 2021

Good price and quick delivery

Wallace A
February 15, 2021

Quick Delivery and as expected.

John C
February 1, 2021

Itâs good oil!

December 25, 2020

This is a quality multi viscosity air craft oil. It was back ordered but shipped when it became available

Steve M
December 24, 2020

Product was as described and delivered quickly.

Michael J
December 4, 2020


Q: Do any of the Aeroshell oils contain Camguard?

No, Aeroshell oils do not contain Camguard out of the bottle. Camguard must be added to the oil if you wish to use it.

Q: The Aeroshell 15W-50 that now comes in a red bottle, is it the same as the black bottle?

Yes, the oil is exactly the same. Aeroshell just changed their packaging from black to red.

Q: Do I need Camguard with Aeroshell 15w50?

Camguard is always optional. It is commonly used with 15w50 as standard 15w50 does not have an additive.

Q: Does Aeroshell 15w50 contain Lycoming LW-16702?

Yes, it does.