- Heavy-duty diesel
- Cars
SAE 15W-40
Multigrade oil for four-stroke inboard marine engines
ViscositySAE
Recommended for
Same grade SAE 15W-40 · Heavy-duty diesel
Same grade SAE 15W-40 · Cars
Same grade SAE 15W-40 · High-speed marine
Business customers only. We sell wholesale, invoiced to registered companies.
ACEA E7 oil sequence
ACEA's sequence for heavy-duty diesel engines.
ACEA E5 oil sequence
ACEA's sequence for heavy-duty diesel engines at extended drain intervals. No longer on ACEA's current list.
ACEA E3 oil sequence
ACEA's sequence for heavy-duty diesel engines of the Euro I–III era. No longer on ACEA's current list.
ACEA B3 oil sequence
ACEA's sequence for light-duty diesel engines. No longer on ACEA's current list.
Derived from the vehicle makers' approvals this product meets. Check the specification your vehicle's manual requires.
| Property | Typical value | Method |
|---|---|---|
| Density at 15°Ckg/m³ | 869 | ASTM D 4052 |
| Viscosity at 100°Cmm²/s | 14.5 | ASTM D 445 |
| Viscosity index | 146 | ASTM D 2270 |
| Viscosity at -20°CmPa·s | 6800 | ASTM D 5293 |
| Pour point°C | -27 | ASTM D 5950 |
| Flash point COC°C | 220 | ASTM D 92 |
| B. N.mg KOH/g | 9.1 | ASTM D 2896 |

Eni i-Sea inboard 4T 15W-40 is a high performance lubricant for universal use in 4-stroke inboard engines, gasoline or diesel, also supercharged.
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