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🛢️ Power your fleet with the synthetic edge that keeps engines cleaner, cooler, and running longer!
ULTRA 1PLUS SAE 15W-40 Full Synthetic Heavy-Duty Diesel Engine Oil delivers advanced API CK-4/SN certified protection designed for modern diesel and gasoline engines. Its superior thermal stability and shear resistance maintain optimal viscosity under extreme conditions, reducing wear and emissions system stress. Compatible across mixed fleets, this 1-gallon jug is engineered to extend engine life, improve fuel efficiency, and simplify maintenance for professional-grade performance.
| ASIN | B0B5Y1XWYQ |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #291,459 in Automotive ( See Top 100 in Automotive ) #1,255 in Motor Oils |
| Brand | ULTRA 1PLUS |
| Brand Name | ULTRA 1PLUS |
| Compatible with Vehicle Type | Buses, Off-road / Industrial equipment, Truck, Vans |
| Container Type | Jug |
| Customer Reviews | 4.7 out of 5 stars 74 Reviews |
| Flash Point | 220 °C |
| Included Components | Motor Oil |
| Liquid Volume | 1 gallons |
| Manufacturer | Ultrachem LLC |
| Manufacturer Part Number | UFS1540CK4SNG |
| Manufacturer Warranty Description | 22 |
| Model Number | UL108 |
| Number of Packs | 1 |
| Package Information | Jug |
| SAE J300 Viscosity Grade | 15W-40 |
| Size | 1 Gallon |
| UPC | 810050658966 |
| Unit Count | 128 Fluid Ounces |
| Vehicle Service Type | Buses, Off-road / Industrial equipment, Truck, Vans |
| Viscosity Level | Medium to High |
J**S
Runs cool, well kinda, in Kubota BX2230
After 20 years I decided to convert my Kubota BX2230 to synthetic oil since everything I've read indicates synthetic is superior in every way. I wish I could say that the tractor now purrs like a kitten at idol but that would not be honest. it still rattles and shakes like a 1960's rock and roll gogo girl. But, that's okay. As long as it keeps running I will be happy.
D**G
Works great for my tractors in my truck
It's compatible with all my tractors and trucks. The value for the money is good. It's synthetic, it's durable. It stays pretty clean in my engine for a while, especially on my tractors. I've not had any leakage or sealing issues
M**S
I like the packaging
Excellent product
B**K
Great oil. Great price
I like that it’s a great oil and made in America
C**R
Good oil @ good price.
Good oil.
W**T
Great price, beats all retailers
Great price on great synthetic.
J**N
Oil works great
This oil works great, used it in China mopeds that called for that oil weight.
D**O
Excellent oil I will buy again
Excellent oil I will buy again mileage increase by 2 1/2 Mpg
Trustpilot
3 weeks ago
5 days ago