AMSOIL Motor Oils and Products for Marine
Marine Operating EnvironmentWhat isolates the marine engine from the rest? Water. Condensation and water encourages rust, corrosion and rapid wear. Freshwater cooled boats operate cool, which promotes in-engine condensation and rust. Closed loop coolant marine engines tend to operate very hot, which promotes the creation of acids and engine corrosion. The longer the engine works, the more water and acid build, and the acid and water continue to work after engine shutdown. |
Now – New From AMSOIL
4-Stroke Outboard Warranty Certified
Both 10W40 and 10W30 exceed shear limits set by the API and NMMA. Contains Maximum treatments of anti-rust and corrosion inhibitors. High concentrations of antiwear additives that 
provide and extra level of wear control at start up.
| PI Performance Improver Gasoline Additive |
| Antifreeze/Coolant |
| (ANT) Propylene Glycol Antifreeze and Engine Coolant |
A recent local testimonial here in Sioux Falls (a customer of mine) noted that within his first use of the HP Injector 2-Cycle Injector oil, he measured increased compression and power. Something he has never experienced with other oils.
About our Diesel Oils
AMSOIL Synthetic 15W-40 Heavy Duty Diesel and Marine Oil provides the ultimate in marine diesel engine protection. Specifically formulated for long-life, it resists oxidation and thermal breakdown, retains viscosity and eliminates sludge and varnish formation.
Outstanding lubricity provides unbeatable wear protection and maximum fuel efficiency. It contains special performance additives for acid and soot control. If using an oil analysis program, operators can greatly extended drain intervals several times. This capability reduces downtime and oil expenses while you are able to monitor improved engine lubrication and filtration.
Fisherman Saves Time and Money
Commercial fisherman Paul Daniels switched his Detroit Diesel 525 hp 12V-71T boat main engine over to AMSOIL Synthetic 15W-40 Heavy Duty Diesel and Marine Oil and an AMSOIL Dual Gard By-Pass Oil Filter to increase engine life and decrease maintenance.
Daniels had been changing his conventional oil at 250 to 300 hour intervals. With AMSOIL products on board, he conservatively increased his change intervals until he reached his present 2000 hour oil changes with sampling and filter changes at 500 hours.
“We fish three to six days at a time, sometimes trawling 24 hours a day. The engine runs at continuous load most of the time, which is ideal for a Detroit Diesel. But there’s no getting around it—we really work that engine.
“AMSOIL Heavy Duty Diesel and Marine Oil and the AMSOIL Dual Gard filter give me the outstanding protection I demand and the extended drain intervals I want. I appreciate the savings in time and money.”
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Universal Synthetic Marine Gear LubeSAE 75W/80W-90 (AGM)
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PRODUCT DESCRIPTION
AMSOIL Universal Synthetic Marine Gear Lube is an exclusive AMSOIL formulation of synthetic base oils and high performance additives that address the specific concerns of marine applications. It is extreme pressure (EP) additive fortified for superior protection of fast accelerating, high torque/horsepower engines. It protects against shock loading from cavitation of heavily loaded engines.
AMSOIL Universal Synthetic Marine Gear Lube is water resistant. It maintains extreme pressure protection even when contaminated with as much as 10% water. It promotes longer seal life, preventing excessive water leakage. AMSOIL Universal Synthetic Marine Gear Lube protects against rust and is compatible with aluminum, copper and brass alloys. Not only does this product reduce corrosion problems, it significantly decreases operating temperatures.
APPLICATIONS
AMSOIL Universal Synthetic Marine Gear Lube is recommended for fresh and salt water applications requiring either 75W-90 or 80W-90 viscosity grade and meeting either API GL-4 or GL-5 performance standards.
Examples of AMSOIL Universal Synthetic Marine Gear Lube applications include:
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Outboard Lower Units:
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Sterndrives:
V-Drives:
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Bow & Tunnel Thrusters:
Marine Transmissions:
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Outside of our automotive products the Interceptor is our product of highest demand. Not only does it cost less than the OEM product, it performs better.
AMSOIL INTERCEPTOR Synthetic 2-Cycle Oil is recommended as an injector oil or at a 50:1 mix ratio in carbureted, electronic fuel Injected (EFI) and direct fuel injected (DFI) snowmobiles, personal watercraft, motorcycles, ATVs and jet boats, including, but not limited to, those manufactured by Bombardier®, Sea Doo, Ski Doo, Yamaha®, Arctic Cat®, Polaris®, Kawasaki®, Suzuki® and Honda®.
It is recommended wherever API TC and JASO FC two-cycle oils are specified. INTERCEPTOR is compatible with and recommended as a replacement for all mineral and synthetic manufacturer branded two-cycle oils. For top performance, mixing is not recommended. Best choice for Sea Doo, Ski Doo, Wave runner, and Rotax engines.
For an overview of our great 2-cycle oils please visit our 2-cycle page here.
Ford Diesel Marine Bypass system BMK-18 install with the AMS-Oiler
| Visit our Bypass Filter section. Click on the Bypass image for more detail. |
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Call 1-800-579-0580 to Order