---
product_id: 251936193
title: "SAE 15W-40 Full Synthetic Heavy-Duty Diesel Engine Oil - 15W 40 Motor Oil API CK-4/SN (5 Gallon Pail)"
brand: "ultra 1plus"
price: "₩695900"
currency: KRW
in_stock: true
reviews_count: 8
category: "Ultra 1 Plus"
url: https://www.desertcart.kr/products/251936193-sae-15w-40-full-synthetic-heavy-duty-diesel-engine-oil
store_origin: KR
region: South Korea
---

# 220°C Flash Point for Thermal Stability API CK-4/SN Certified Heavy-Duty Protection 15W-40 SAE Viscosity Grade SAE 15W-40 Full Synthetic Heavy-Duty Diesel Engine Oil - 15W 40 Motor Oil API CK-4/SN (5 Gallon Pail)

**Brand:** ultra 1plus
**Price:** ₩695900
**Availability:** ✅ In Stock

## Summary

> 🛠️ Power your diesel with confidence — the synthetic edge your engine deserves!

## Quick Answers

- **What is this?** SAE 15W-40 Full Synthetic Heavy-Duty Diesel Engine Oil - 15W 40 Motor Oil API CK-4/SN (5 Gallon Pail) by ultra 1plus
- **How much does it cost?** ₩695900 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/251936193-sae-15w-40-full-synthetic-heavy-duty-diesel-engine-oil)

## 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

- • **Bulk 5-Gallon Value Pail:** Ideal for fleet managers and professionals seeking cost-effective, high-performance lubrication.
- • **Unmatched Engine Defense:** Advanced wear protection keeps your diesel engine running like new, mile after mile.
- • **Oil Consumption Minimizer:** Formulated to reduce oil burn-off, saving you money and downtime.
- • **Stay-in-Grade Shear Stability:** Strong shear resistance ensures consistent viscosity under extreme pressure and temperature.
- • **Thermal & Oxidation Resilience:** Enhanced oxidation control prevents breakdown even in the hottest engine conditions.

## Overview

Ultra 1Plus SAE 15W-40 Full Synthetic Heavy-Duty Diesel Engine Oil delivers premium API CK-4/SN certified protection with superior shear stability and oxidation resistance. Designed for heavy-duty trucks, this 5-gallon pail offers thermal resilience up to 220°C, minimizes oil consumption, and ensures your engine performs optimally under the toughest conditions.

## Description

Buy Ultra 1Plus SAE 15W-40 Full Synthetic Heavy-Duty Diesel Engine Oil - 15W 40 Motor Oil API CK-4/SN (5 Gallon Pail): Motor Oils - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: I like the packaging - Excellent product
Review: Great price, beats all retailers - Great price on great synthetic.

## Features

- ✅ Engine wear protection.
- ✅ Strong shear stability provides stay-in-grade performance.
- ✅ Minimizes Oil Consumption.
- ✅ Enhanced oxidation control.
- ✅ Resistant to viscosity and thermal breakdown at high temperatures.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08M9Q4QQY |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #113,176 in Automotive ( See Top 100 in Automotive ) #662 in Motor Oils |
| Brand | ULTRA 1PLUS |
| Customer Reviews | 4.7 4.7 out of 5 stars (64) |
| Date First Available | October 30, 2020 |
| Flash Point | 220 Degrees Celsius |
| Item Weight | 38 pounds |
| Item model number | UFS1540CK4SNP |
| Manufacturer | Ultrachem LLC |
| Manufacturer Part Number | UFS1540CK4SNP |
| Model | UFS1540CK4SNP |
| Product Dimensions | 12 x 12 x 15 inches |
| SAE J300 Viscosity Grade | 15W-40 |
| Size | 5 Gal Pail (B2B Most Value) |
| UPC | 810050657570 |
| Vehicle Service Type | Truck |
| Viscosity | 15W 40 SAE Grade |

## Product Details

- **Brand:** ULTRA 1PLUS
- **Liquid Volume:** 5 Gallons
- **Package Information:** Pail
- **Vehicle Service Type:** Truck
- **Viscosity:** 15W 40 SAE Grade

## Images

![SAE 15W-40 Full Synthetic Heavy-Duty Diesel Engine Oil - 15W 40 Motor Oil API CK-4/SN (5 Gallon Pail) - Image 1](https://m.media-amazon.com/images/I/71DOdVHVQDL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ I like the packaging
*by M***S on September 22, 2025*

Excellent product

### ⭐⭐⭐⭐⭐ Great price, beats all retailers
*by W***T on April 21, 2024*

Great price on great synthetic.

### ⭐⭐⭐⭐⭐ Great oil. Great price
*by B***K on December 20, 2023*

I like that it’s a great oil and made in America

## 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

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**Shop now:** [https://www.desertcart.kr/products/251936193-sae-15w-40-full-synthetic-heavy-duty-diesel-engine-oil](https://www.desertcart.kr/products/251936193-sae-15w-40-full-synthetic-heavy-duty-diesel-engine-oil)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-25*