Part Number: AEROSHELL W120

ENGINE OIL, Aeroshell W120, 5 Liter Container

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Product Details

We want to keep you flying.
Straight mineral, single grade, premium single grade, and multigrade engine oil for piston engines.




Choosing the Right Grade of Oil
Oil Type


Straight Grade Mineral Oil

  • Aids engine break-in
  • Prevents cylinders glazing
  • Clean burning



Single Grade Ashless

  • Improved performance
  • Reduced maintenance costs
  • Reduce oil consumption




Single Grade Ashless Plus

  • Prolonged engine life
  • Advanced additive for cam protection and rust corrosion protection



Multigrade Sport Plus

  • Specifically developed for light sport aircraft
  • Can be used in any climate
  • Advanced additive for full performance with different fuel types

Multigrade Ashless

  • High performance in all seasons
  • Reduced oil and fuel consumption
  • Advanced additive for cam protection and rust and corrosion protection


Save $$$ with AeroShell Multigrade and Single Grade Plus Oils!
AeroShell single grade plus and mutigrade oils comply with AD 80-04-03 and DO NOT require adding the expensive Lycoming LW16702 additive. 
Comparison Example:
Aeroshell W80 Plus = $39.98
Aeroshell 80 Plus $35.10
(already contains additive)
LW16702 additive = $40.00
Total Cost = $39.98
Total Cost = $75.10
AeroShell Plus Oil saves you almost $40.00!
*Pricing as of 1/1/2021
Single Grade vs. Multigrade Viscosity



CamGuard Advanced Engine Oil Supplement also available. 


warningWARNING: Cancer and/or Reproductive Harm -

Related Documents

Product Catalogs and Price Lists

Current McFarlane Product Catalog

Installation, Use, and Maintenance Instructions

Alaska Cold Starts

Frequently Asked Questions

What is the best way to judge an aviation oil?
I like to use multigrade oil for better cold stars, but like protection of single grade oil. How can I get the best of both?
Are AeroShell multigrade and AeroShell single grade oils compatible?
Will my oil temperature be higher or lower with a multigrade?
When I drain my oil, should the engine be hot?
Does an oil change just include draining the hot oil, changing and inspecting the filter, and refill?
Why does oil turn black between oil changes, and why does the time it takes to change color vary?
What can I do to ensure the accuracy and value of an oil analysis?
Can I switch from a straight AeroShell mineral oil to a single grade ashless dispersant oil?
Will oil temperature affect the oil pressure in an aircraft engine?
How can I determine which oil is qualified for my aircraft engine?
My oil temperature seems to be running low. Is this a problem?
Will the synthetic portion of semi-synthetic AeroShell Oil W 15W-50 harm an aircraft engine?
Do straight mineral oils have the same low temperature flow as straight ashless oils?
What is "breaking in" of engine?
If my aircraft engine has a Supplemental Type Certificate for automotive gasoline, can I break in?
Do all AeroShell oils meet SAE specifications?
What is the recommended oil consumption rate for my aircraft?
Do AeroShell Oil W 15W-50 and AeroShell Oil W 100 perform the same in an engine?
Does the W in AeroShell Oil W stand for winter?
How often should I change my oil?
How can I make sure my oil temperature is accurate and identify the correct oil temperature range?
How important is preheating my engine?
How important are baffles and seals to cylinder temperature?

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Please verify product details for suitability for your application.