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โ Power your marine adventures with the ultimate synthetic shield!
Valvoline 4-Stroke Marine Full Synthetic Engine Oil (1 Gallon) is a premium 10W-30 synthetic oil designed specifically for 4-stroke marine engines. It offers 50% stronger wear protection and 8X better rust defense than industry standards, ensuring durability and peak performance in extreme marine conditions. Made in the USA by a trusted brand with over 150 years of motor oil expertise, this oil keeps your engine running smooth, powerful, and protected season after season.





| ASIN | B0C1LKVSD4 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #28,468 in Automotive ( See Top 100 in Automotive ) #277 in Motor Oils |
| Brand | Valvoline |
| Brand Name | Valvoline |
| Compatible with Vehicle Type | Water Scooter |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 829 Reviews |
| Flash Point | 390 ยฐF |
| Included Components | Engine Oil |
| Item Type Name | Engine Oil |
| Liquid Volume | 1 gallons |
| Manufacturer | Valvoline |
| Manufacturer Part Number | 899591-EA |
| Model Number | 899591-EA |
| Number of Packs | 1 |
| Package Information | Bottle |
| SAE J300 Viscosity Grade | 10W-30 |
| Size | 1 GA |
| UPC | 074130069145 |
| Vehicle Service Type | Water Scooter |
C**S
Will buy again!
This is my second time using this oil to service my 2022 Mercury 90 outboard. Excellent oil! Engine runs extremely smooth. The jug was very easy to pour from. No smoke from the engine.
D**G
Top notch.
Itโs Valvoline so itโs quality. Very little smoke and a smooth running outboard.
P**R
Worked great in new mercury 90hp 2.1L
A step up from quicksilver and mercury oil. Full synthetic 10w30 marine oil that exceeds all manufacturers specs. Great product. Cost is comparable to factory standard oil
A**T
Good
Good
J**I
good value
good value and marine rating on the lable
T**8
works perfect
i bought to maintain mowers
J**R
Decent product
Engine: Mercury 90hp efi I used merc brand oil for years at premium pricing. I switched to this 3 yrs ago. It smokes a little more but works fine. Burns good as plug color is same as highend oil. Great savings especially with this economy. Recommend trying!
K**Y
Good stuff, fair price.
Great full synthetic marine oil at a very fair price.
Trustpilot
5 days ago
1 month ago