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Home / Engine Parts / Oil / Aeroshell Piston /Aeroshell Aviation Oil 15W-50 Multigrade
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Aeroshell Aviation Oil 15W-50 Multigrade

268 Reviews 3 Answered Questions
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Single (Quart) Case of 6 (Quarts) 55 Gallon Drum
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Overview

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

Specifications

  • 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

Benefits

  • 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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Reviews

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Bought a case of AeroShell 15W-50 Will Call from Aircraft Spruce for my PA-28-235. Ordering was easy. Pickup was easy. The oil went directly into the airplane, where it immediately began its important mission of postponing the day my Lycoming turns into a very expensive coffee table. The engine seems happy. Oil pressure exists. Nothing has exited the crankcase unexpectedly. Those are all five-star qualities in aviation. At roughly 15 gallons an hour, my airplane already converts money into noise at an impressive rate, so its comforting to know the lubricant is also aviation-priced. The 2 six-quart cases are particularly convenient because it gives you enough oil to service the airplane while leaving a couple quarts available for the traditional Lycoming activity of figuring out where the other oil went. Would buy again, mostly because the alternative is apparently an engine overhaul. 10/10. Aircraft Spruce Will Call also deserves credit for understanding the universal pilot greeting: Im here to pick up some parts. Translation: I have made several financially irresponsible decisions involving an airplane.

Anthony E Verified Purchase

AeroShell Oil 15W-50 Multi-Grade - Case Of 6 Quarts
October 4, 2026

Dave M Verified Purchase

AeroShell Oil 15W-50 Multi-Grade - Case Of 6 Quarts
September 29, 2026

So expensive

Mark H Verified Purchase

AeroShell Oil 15W-50 Multi-Grade - Case Of 6 Quarts
August 14, 2026

Kind of the standard for quality. What more can I say?

David B Verified Purchase

AeroShell Oil 15W-50 Multi-Grade - Case Of 6 Quarts
August 8, 2026

Steve L Verified Purchase

AeroShell Oil 15W-50 Multi-Grade - Single Quart
July 21, 2026

Used exclusively in our club planes: 2,300 hours on our O320-E2D cylinders. Easy engine starts in our cold, wet winters in Seattle.

Puget S Verified Purchase

AeroShell Oil 15W-50 Multi-Grade - Case Of 6 Quarts
July 21, 2026

we use this oil in a lot of our aircraft to reduce heat on takeoff. Works well with all engines

William J Verified Purchase

AeroShell Oil 15W-50 Multi-Grade - Case Of 6 Quarts
July 8, 2026

👍👌🧐

David M Verified Purchase

AeroShell Oil 15W-50 Multi-Grade - Case Of 6 Quarts
July 7, 2026

Dave A Verified Purchase

AeroShell Oil 15W-50 Multi-Grade - Case Of 6 Quarts
July 6, 2026

No issues

Tom H Verified Purchase

AeroShell Oil 15W-50 Multi-Grade - Case Of 6 Quarts
June 30, 2026

Q&A

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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

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: Does Aeroshell 15w50 contain Lycoming LW-16702?

Yes, it does.

Q: If you use Aeroshell 15W-50 do you have to use Camguard or does LW-16702 do the same thing?

You do not need to use Camguard with 15w-50, the LW-16702 does essentially the same function.

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