TRIAX Marine Ultra 25W-40 Full Synthetic 4-Stroke Engine Oil For Applications Requiring FC-W, API SM & JASO MA | All Inboard, Outboard, Personal Watercraft & Supercharged Marine Engines (5 Quart)








Key features
- •Designed for NMMA FC-W 4-Stroke outboard engines; use in gasoline-fueled four-stroke inboards, outboards, inboard/outboards, supercharged watercraft engines and personal watercraft
- •True full synthetic; twice the life of conventional and synthetic blends oil and twice the protection
- •Unmatched protection, even in continuous salt water use, including up to two years of storage; excellent stability and viscosity control for long term high temp operation
- •Friction modified for exceptional wear protection, less heat, better fuel economy, and significantly reduced wear
- •High film strength and durability under high torque and power output conditions
TRIAX Marine Ultra 25W-40 Full Synthetic 4-Stroke Engine Oil For Applications Requiring FC-W, API SM & JASO MA | All Inboard, Outboard, Personal Watercraft & Supercharged Marine Engines (5 Quart)
List Price: $63.71$57.34DEALYou Save: $6.37 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 25, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection







