--- product_id: 251936193 title: "SAE 15W-40 Full Synthetic Diesel Engine Oil API CK-4/SN 5 Gallon Pail" brand: "ultra 1plus" price: "€ 604.45" currency: EUR in_stock: true category: "Ultra 1 Plus" url: https://www.desertcart.fr/products/251936193-sae-15w-40-full-synthetic-diesel-engine-oil-api-ck store_origin: FR region: France --- # Superior thermal stability Maintains 15W-40 viscosity under stress Advanced wear protection SAE 15W-40 Full Synthetic Diesel Engine Oil API CK-4/SN 5 Gallon Pail **Brand:** ultra 1plus **Price:** € 604.45 **Availability:** ✅ In Stock ## Summary > 🛢️ Power your diesel with the ultimate synthetic edge—because your engine deserves the best. ## Quick Answers - **What is this?** SAE 15W-40 Full Synthetic Diesel Engine Oil API CK-4/SN 5 Gallon Pail by ultra 1plus - **How much does it cost?** € 604.45 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/251936193-sae-15w-40-full-synthetic-diesel-engine-oil-api-ck) ## Best For - ultra 1plus enthusiasts ## Why This Product - Trusted ultra 1plus brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fleet-Ready Versatility:** One oil to rule them all—compatible with 2020+ diesel trucks, Tier 4 engines, and even gasoline heavy-duty vehicles. - • **Extended Service Intervals:** Minimizes soot thickening and shear loss, meaning fewer oil changes and more uptime for your fleet. - • **Eco-Smart Emission Compliance:** Reduces oil consumption and protects emission systems like DPF and EGR, helping you stay green and compliant. - • **Engine Armor for the Long Haul:** Full synthetic formula shields against wear, deposits, and oxidation to keep your diesel engine running like new. - • **Unshakable Viscosity Under Pressure:** Precision 15W-40 viscosity holds strong through extreme heat and heavy loads—no breakdowns, just performance. ## Overview ULTRA 1PLUS SAE 15W-40 Full Synthetic Diesel Engine Oil is API CK-4/SN certified, engineered for 2020+ on-highway trucks and Tier 4 non-road diesel engines. This 5-gallon pail delivers superior wear protection, exceptional shear stability, and thermal performance under extreme conditions. It reduces oil consumption, protects emission systems, and is compatible with mixed diesel and gasoline heavy-duty fleets, ensuring extended engine life and compliance with modern emission standards. ## Description Buy SAE 15W-40 Full Synthetic Diesel Engine Oil API CK-4/SN 5 Gallon Pail | Delivers superior wear protection and thermal stability for heavy-duty diesel engines in extreme temperatures and heavy loads: Motor Oils - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - API CK-4 / SN CERTIFIED 15W-40 FULL SYNTHETIC DIESEL OIL: U1P 15W40 diesel oil xceeds API CK-4, CJ-4, CI-4 PLUS, CH-4 and SN. Specifically engineered for 2020+ on-highway trucks and Tier 4 non-road diesel engines - SUPERIOR HEAVY-DUTY ENGINE PROTECTION: Advanced full synthetic formula protects against wear, piston deposits, soot thickening, oxidation, shear loss, and aeration — keeping your engine cleaner and running longer - EXCEPTIONAL SHEAR STABILITY & HIGH-TEMPERATURE PERFORMANCE: Maintains precise 15W-40 viscosity under extreme stress, heat, and heavy loads. Prevents breakdown and delivers reliable protection for long-haul trucks, construction, and agriculture equipment - REDUCED OIL CONSUMPTION & EMISSIONS SYSTEM COMPATIBILITY: Minimizes oil burn-off while protecting DPF, EGR, and after-treatment systems. Helps extend service intervals and maintain emission compliance - VERSATILE DIESEL & MIXED FLEET COMPATIBILITY: Backward compatible with all previous four-stroke diesel engines. Also suitable for gasoline heavy-duty applications requiring API SN. One oil for your entire fleet ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08M9Q4QQY | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #156,925 in Automotive ( See Top 100 in Automotive ) #838 in Motor Oils | | Brand Name | ULTRA 1PLUS | | Compatible with Vehicle Type | Buses, Off-road / Industrial equipment, Truck, Vans | | Container Type | Pail | | Customer Reviews | 4.7 4.7 out of 5 stars (74) | | Flash Point | 220 °C | | Included Components | oil | | Item Highlight | Delivers superior wear protection and thermal stability for heavy-duty diesel engines in extreme temperatures and heavy loads | | Item Type Name | Motor oil | | Item Weight | 38 pounds | | Liquid Volume | 5 gallons | | Manufacturer | Ultrachem LLC | | Manufacturer Part Number | UFS1540CK4SNP | | Manufacturer Warranty Description | 22 | | Model Number | UFS1540CK4SNP | | SAE J300 Viscosity Grade | 15W-40 | | Size | 5 Gallon Pail | | UPC | 810050657570 | | Unit Count | 640 Fluid Ounces | | Viscosity Level | Medium to High | ## Product Details - **Brand:** ULTRA 1PLUS - **Liquid Volume:** 5 gallons - **Package Information:** Pail - **SAE J300 Viscosity Grade:** 15W-40 - **Vehicle Service Type:** Buses, Off-road / Industrial equipment, Truck, Vans ## Images ![SAE 15W-40 Full Synthetic Diesel Engine Oil API CK-4/SN 5 Gallon Pail - Image 1](https://m.media-amazon.com/images/I/71DOdVHVQDL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Ultra 1Plus SAE 15W-40 Full Synthetic Heavy-Duty Diesel Engine Oil - 15W 40 Motor Oil API CK-4/SN (5 Gallon Pail) - Motorkote MK-HL01G-04 Heavy Duty Hyper Lubricant, 1-Gallon, Single --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fr/products/251936193-sae-15w-40-full-synthetic-diesel-engine-oil-api-ck](https://www.desertcart.fr/products/251936193-sae-15w-40-full-synthetic-diesel-engine-oil-api-ck) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-09-06*