








⚡ Power your diesel with the ultimate synthetic edge!
Ultra 1Plus SAE 15W-40 is a full synthetic heavy-duty diesel engine oil engineered to deliver superior protection and performance. With a high 220°C flash point and API CK-4/SN certification, it ensures thermal stability, reduces oil consumption, and supports modern emission control systems, making it the go-to choice for professional-grade diesel engine maintenance.





| Viscosity | 15W 40 SAE Grade |
| Brand | ULTRA 1PLUS |
| Vehicle Service Type | Truck |
| Flash Point | 220 Degrees Celsius |
| UPC | 810050658966 |
| Manufacturer | Ultrachem LLC |
| Size | 1 Gal (Most Popular) |
| SAE J300 Viscosity Grade | 15W-40 |
| Model | SAE 15W-40 Full Synthetic Heavy-Duty Motor Oil, API CK-4/SN |
| Item Weight | 7.39 pounds |
| Product Dimensions | 4 x 8.25 x 11 inches |
| Item model number | UL108 |
| Manufacturer Part Number | UFS1540CK4SNG |
| OEM Part Number | UFS1540CK4SNG |
| Special Features | diesel |
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