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Check Out Our Selection of Boating Supplies and Equipment

Amsoil is a proud partner of KC Marine, Oahu's premier boat repair shop. AMSOIL Synthetic Water-Resistant Grease is a high-pressure grease designed for wet-duty applications. KC Marine can assist you with mobile marine mechanic services, outboard motor maintenance, and boat painting, among other things.

Marine Grease

AMSOIL Synthetic Water-Resistant Grease

AMSOIL Synthetic Water-Resistant Grease is an extreme-pressure grease formulated specially for wet-duty performance. Composed of premium-quality synthetic base oils and calcium-sulfonate complex thickeners, Water-Resistant Grease provides exceptional film strength, shear resistance, adhesion properties and mechanical stability. Its water-washout and sprayoff resistance are outstanding for applications frequently exposed to water, mud, snow or ice, including ATVs, UTVs, snowmobiles and boat trailers.

Water-Washout and Sprayoff Protection

The superior wet-duty performance of AMSOIL Synthetic Water-Resistant Grease is formulated with extra durable cohesive and adhesive chemistry. It holds together when exposed to water and clings tenaciously to metal surfaces when wet, protecting components during prolonged exposure to standing or pressurized water.

Corrosion Protection

Frequent or prolonged water contact can increase corrosion, resulting in damage to metal surfaces and compromised components. Water-Resistant Grease seals metal surfaces and chemically fights corrosion, making it ideal for applications with extensive exposure to water, mud, snow or ice.

Fuel Additives

CLEANS FUEL SYSTEMS 

  • Cleans varnish, gum and insoluble debris that clog carburetors, fuel injectors and fuel filters in powersports equipment and small engines. 

  • Quickly detaches and carries away fuel-system deposits, while also cleaning hard-to-remove deposits on piston tops, spark plugs and other combustion-chamber parts. 

  • Helps reduce pre-ignition, rough idling and poor throttle response, restoring peak performance. 

FIGHTS ETHANOL PROBLEMS 

  • Designed to keep water due to ethanol dispersed in tiny molecules throughout the fuel tank, moving it out as a normal part of operation. 

  • Helps maintain engine performance and protects against damaging corrosion. 

  • Decreases the chance of ethanol separating from the gasoline, helping prevent lean-burn and combustion-chamber damage.

KC Marine, the best boat repair service in Oahu, is a proud Amsoil Dealer. AMSOIL fuel additive helps reduce pre-ignition, rough idling and poor throttle response, restoring peak performance. . KC Marine can help you with mobile marine mechanic, outboard motor repair, boat painting, and more!

CLEANS, PROTECTS AND RESTORES POWER

  • Cleans dirty injectors

  • Restores power and torque

  • Reduces smoke and emissions

  • Combats fuel-system corrosion

  • Provides significant lubricity improvement in diesel fuels found across the U.S., delivering improved wear protection.1

IMPROVES FUEL QUALITY

  • Increases cetane up to 4 points

  • Delivers maximum horsepower

  • Increases fuel economy up to 8%

  • Improves startability

  • Smooths idle

KC Marine is the top boat repair service in Oahu. We are are also a proud Amsoil Dealer. AMSOIL fuel additive Increases fuel economy up to 8%. KC Marine can help you with mobile marine mechanic, outboard motor repair, boat painting, and more!

CLEANS, PROTECTS AND RESTORES POWER

  • Cleans dirty injectors

  • Lubricates pumps and injectors to reduce wear

  • Restores power and torque

  • Reduces smoke and emissions

  • Combats fuel-system corrosion

HELPS REDUCE COST

  • Reduces downtime and maintenance costs

  • Extends fuel-filter life

  • Improves fuel economy up to 8%

KC Marine is the top boat repair service in Oahu. We are are also a proud Amsoil Dealer. AMSOIL fuel additive Cleans dirty injectors. KC Marine can help you with mobile marine mechanic, outboard motor repair, yacht repair, and more!

4 Stroke Oil

KC Marine is the top boat repair service in Oahu. We are are also a proud Amsoil Dealer. 10W-30 Synthetic Marine Engine Oil protects your engine from rusts. KC Marine can help you with mobile marine mechanic, outboard motor repair, boat painting, and more!
KC Marine is the top boat repair service in Oahu. We are are also a proud Amsoil Dealer. 10W-40 Synthetic Marine Engine Oil protects your engine from rusts. KC Marine can help you with mobile marine mechanic, outboard motor repair, boat repair, and more!

2 Stroke Oil

KC Marine is the top boat repair service in Oahu. We are are also a proud Amsoil Dealer. HP Marine Synthetic 2-Stroke Oil guards your piston from wearing. KC Marine can help you with mobile marine mechanic, outboard motor repair, boat deep cleaning, and more!

SAE 15W-40 Heavy-Duty
Diesel and Marine Oil

CONTROLS SOOT AND WEAR

  • Neutralizes acids and controls soot thickening to protect against corrosion, wear, varnish and sludge deposits

  • Reduces oil consumption and emissions

  • Delivers maximum engine protection over extended drain intervals

EXCELS IN EXTREME TEMPERATURES

  • Provides outstanding protection and performance in temperature extremes

  • Resists heat and breakdown better than conventional oils

  • Eases cold-weather starting and provides vital startup lubrication

Marine Engine Coolant

REDUCES ENGINE TEMPS

  • Unlike other products, DOMINATOR Coolant Boost uses three surfactants, each designed to operate in a different temperature range, to increase liquid-to-metal contact.

  • Closer contact with metal parts increases the coolant’s efficiency in transferring heat away from hot engine parts and out through the radiator and fan. 

  • Reduces engine temperature up to 25°F (13.8°C) for maximum efficiency.

 

FIGHTS DAMAGING CORROSION

  • Delivers outstanding corrosion protection for maximum cooling-system performance and life.

  • In industry testing, limited corrosion on the six metals most commonly found in cooling systems (copper, solder, brass, steel, cast iron and cast aluminum).

  • Excellent protection in racing applications using straight-water coolant.

KC Marine, the best boat repair service in Oahu, is a proud Amsoil Dealer. AMSOIL DOMINATOR® Coolant delivers outstanding corrosion protection for maximum cooling-system performance and life. KC Marine can help you with mobile marine mechanic, outboard motor repair, boat painting, and more!
KC Marine, the best boat repair service in Oahu, is a proud Amsoil Dealer. AMSOIL Heavy-Duty Antifreeze & Coolant delivers excellent protection against corrosion, cylinder-liner cavitation, freezing and boil-over. KC Marine can help you with mobile marine mechanic, outboard motor repair, boat painting, and more!

Outstanding Cooling-System Protection

 

  • Superior heat transfer

  • Excellent protection against corrosion, cylinder-liner cavitation, freezing and boil-over

  • Virtually eliminates scaling problems

  • Maximum protection in extreme temperatures and operating conditions

  • Long-lasting protection for up to 1,000,000 miles, 20,000 hours or 8 years, whichever comes first, in heavy-duty and off-road applications 

AMSOIL Resists Corrosion

In third-party, industry-standard

testing, cast-iron and copper plates

protected by AMSOIL show virtually

no signs of corrosion.HH

Gear Lube

PROTECTS AGAINST WEAR 

 

  • Fortified with extreme-pressure (EP) additives for superior protection of fast-accelerating, high-torque/horsepower engines. 

  • Protects against shock loading from cavitation of heavily loaded engines. 

  • Delivers advanced outboard protection against power loss and gear wear, even with up to 15 percent water contamination.1

RESISTS RUST & FOAM 

 

  • Designed to prevent rust and is compatible with aluminum, copper and brass alloys. 

  • Resists foam despite water contamination to ensure a strong fluid film and excellent wear protection. 

  • Promotes long seal life to help prevent water intrusion. 

EASY-PACK EASES MAINTENANCE

 

  • Award-winning AMSOIL easy-pack reduces mess and hassle when changing lower-unit gear oil. 

  • Eliminates the need to buy and store a messy gear-lube pump. 

KC Marine, the best boat repair service in Oahu, is a proud Amsoil Dealer. Synthetic Marine Gear Lube is designed to prevent rust and is compatible with aluminum, copper and brass alloys. KC Marine can help you with mobile marine mechanic, outboard motor repair, boat painting, and more!
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