Aaron Gratz
Independent, Account Direct
Gratz Enterprises, LLC
Gaithersburg, MD 20879
CALL: (240) 388-7032

Marine Oils (Synthetic and Synthetic Blend)

Formula 4-Stroke Marine Synthetic Motor Oil

These 10W-30 and 10W-40 Synthetic Marine oils:
  • Provide maximum wear protection for 4-Stroke gasoline powered marine engines
  • Certified to meet NMMA FC-W Catalyst Compatible performance specifications
  • Meet "Warranty Certified" engine manufacturer status
And can be used in the following applications:
Inboard                                Outboard                              Inboard/Outboard                             Personal Watercraft

Amsoil 25W-40 Synthetic-Blend Marine Engine Oil
Formulated specifically for Mercury outboard motors which recommends the use of synthetic-blend oil and discourages the use of full synthetic oil.

Fishermen avoid ethanol related fuel line problems with SEMA Award winning Quickshot which:
  • Thoroughly cleans varnish and gum and insoluble debris 
  • Restoring peak performance 
  • Fights gas and ethanol separation 
  • Acts as a short term stabilizer

Outboard 100:1 Pre-Mix Synthetic 2-Stroke Oil
  • This product burns clean and provides boaters with little or no smoke
  • Anti-rust formula that counteracts the conditions of outboard applications
  • Improves throttle response and protects engines
  • Offers lower-temperature dispersants for water-cooled outboard motors
  • Recommended for normal service 100:1 mix ratio use


Synthetic Water-Resistant Grease

  • Resists corrosion and water washout
  • Providing maximum protection for boat trailer wheel bearings, outboard motors, UTV and ATV and other uses that are frequently exposed to water

Universal Synthetic Gear Lube

  • Provides true marine gear performance
  • Resists foaming
  • Retains extreme pressure qualities even under 10% water contamination
  • For use in stern drives, outboard power units V-drives, tunnel and bow thrusters and marine transmissions SAE 75W-90 or 80w-90 either GL-4  or GL-5 performance standards


HP Marine Synthetic 2-Stroke Oil and 
Synthetic 2-Stroke Injector Oil (50:1 Formulation)

Offers the convenience of 50:1 formulation for recreational equipment requiring TC-W3 or API-TC 2-Stroke Oil.  While both minize engine wear and reduce deposits that damage or shorten your engine's life, Amsoil's HP Marine 2-Stroke Oil:
  • is an excellent choice in Evinrude E-TEC engines
  • provides low smoke, odor and toxicitity 
and the 2-Stroke Injector Oil:
  • provides cold temperature fluidity for easy starts
  • high-temperature detergent and dispersant additives engine cleaners


and other fine AMSOIL Marine products like: 




Amsoil also offers 15W-40 Synthetic Heavy Duty Diesel and Marine Oil 

For more information on AMSOIL products for Marine engines, check out our blog about:

AMSOIL's 25W-40 Synthetic Blend:

Find out More:

 (240) 388-7032

 Sandy Lake Drive
     Gaithersburg, MD, 20879
     United States
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