

AMSOIL 10W-30 100% Synthetic Marine Engine Oil Case of 12
WCTQTC-CA
Specially engineered for marine applications. Durable formulation protects in severe conditions, from all-day trolling to high-rpm operation. Heavily fortified with advanced additives designed to prevent deposits, rust and corrosion. Use in gasoline-fueled four-stroke inboards, outboards, inboard/outboards and personal watercraft, including those made by Honda,* Mercury,* Yamaha,* Johnson/Evinrude,* Bombardier/BRP,* Suzuki,* Nissan,* Tohatsu,* OMC,* Volvo-Penta,* Mercruiser,* Chevrolet* and Ford.*
See the Product Data Bulletin for full details.
FIGHTS ENGINE WEAR
- Naturally strong base oilsĀ resist viscosity lossĀ due to mechanical shear.
- Develops a tough lubricating film thatĀ protects engine parts, even in high-heat, high-rpm conditions that break down other oils.
- Contains robust anti-wear additives that furtherĀ reduce wearĀ in metal-to-metal contact regions, guarding against compression loss forĀ maximum power and engine life.
EXCELLENT ANTI-RUST PERFORMANCE
- FortifiedĀ with potent inhibitors that guard against damaging rust and corrosion.
- ProtectsĀ engines during use and during inactivity or long-term storage.
NMMA CERTIFIED
- CertifiedĀ by the National Marine Manufacturers Association (NMMA) for use in four-stroke outboard motors.
- DemonstratesĀ outstanding performance and meets the requirements of the NMMA FC-W Catalyst Compatible specification, which is backward-compatible with the FC-W specification.
See the Product Data Bulletin for full details.
*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
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Description
WCTQTC-CA
Specially engineered for marine applications. Durable formulation protects in severe conditions, from all-day trolling to high-rpm operation. Heavily fortified with advanced additives designed to prevent deposits, rust and corrosion. Use in gasoline-fueled four-stroke inboards, outboards, inboard/outboards and personal watercraft, including those made by Honda,* Mercury,* Yamaha,* Johnson/Evinrude,* Bombardier/BRP,* Suzuki,* Nissan,* Tohatsu,* OMC,* Volvo-Penta,* Mercruiser,* Chevrolet* and Ford.*
See the Product Data Bulletin for full details.
FIGHTS ENGINE WEAR
- Naturally strong base oilsĀ resist viscosity lossĀ due to mechanical shear.
- Develops a tough lubricating film thatĀ protects engine parts, even in high-heat, high-rpm conditions that break down other oils.
- Contains robust anti-wear additives that furtherĀ reduce wearĀ in metal-to-metal contact regions, guarding against compression loss forĀ maximum power and engine life.
EXCELLENT ANTI-RUST PERFORMANCE
- FortifiedĀ with potent inhibitors that guard against damaging rust and corrosion.
- ProtectsĀ engines during use and during inactivity or long-term storage.
NMMA CERTIFIED
- CertifiedĀ by the National Marine Manufacturers Association (NMMA) for use in four-stroke outboard motors.
- DemonstratesĀ outstanding performance and meets the requirements of the NMMA FC-W Catalyst Compatible specification, which is backward-compatible with the FC-W specification.
See the Product Data Bulletin for full details.
*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.























