







🛠️ Power your diesel with ULTRA 1PLUS – where durability meets efficiency!
ULTRA 1PLUS SAE 15W-40 is a full synthetic heavy-duty diesel engine oil designed to protect and extend engine life with superior wear reduction, strong shear stability, and advanced deposit control. It meets and exceeds multiple API standards (CK-4, CJ-4, CI-4+) ensuring compatibility with a wide range of diesel engines, while its high flash point and fuel-efficient formula make it ideal for demanding truck applications.





| Viscosity | 15W 40 SAE Grade |
| Brand | ULTRA 1PLUS |
| Vehicle Service Type | Truck |
| Flash Point | 428 Degrees Fahrenheit |
| UPC | 810050658973 |
| Automotive Fit Type | Universal Fit |
| Manufacturer | Ultrachem LLC |
| Size | 4 Gal (Value Pack) |
| SAE J300 Viscosity Grade | 15W-40 |
| Model | SAE 15W-40 Full Synthetic Heavy-Duty Motor Oil, API CK-4/SN |
| Item Weight | 29.8 pounds |
| Product Dimensions | 4 x 8.25 x 11 inches |
| Item model number | UL108 |
| Manufacturer Part Number | UFS1540CK4SN-BG |
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