---
product_id: 1243992
title: "04154 15W40 Oil, 1 Gallon (128 Ounces)"
brand: "royal purple"
price: "¥23584"
currency: JPY
in_stock: true
reviews_count: 12
category: "Royal Purple"
url: https://www.desertcart.jp/products/1243992-04154-15w40-oil-1-gallon-128-ounces
store_origin: JP
region: Japan
---

# Boosts fuel efficiency Universal fit compatibility Superior wear protection 04154 15W40 Oil, 1 Gallon (128 Ounces)

**Brand:** royal purple
**Price:** ¥23584
**Availability:** ✅ In Stock

## Summary

> 🛢️ Power your drive with Royal Purple – where performance meets prestige!

## Quick Answers

- **What is this?** 04154 15W40 Oil, 1 Gallon (128 Ounces) by royal purple
- **How much does it cost?** ¥23584 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/1243992-04154-15w40-oil-1-gallon-128-ounces)

## Best For

- royal purple enthusiasts

## Why This Product

- Trusted royal purple brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Engine Armor:** Delivers unmatched wear protection to extend engine life
- • **Ethanol-Ready:** Optimized for fuels with ethanol, future-proofing your engine
- • **Corrosion Shield:** Superior corrosion resistance keeps your engine pristine
- • **Emission Guardian:** Protects your catalytic converter for cleaner, greener rides
- • **Fuel-Smart Formula:** Enhances fuel efficiency for smarter, cost-effective drives

## Overview

Royal Purple 15W-40 motor oil combines premium base oils with advanced additives to provide superior engine wear protection, improved fuel efficiency, and enhanced compatibility with ethanol fuels. This universal fit oil safeguards catalytic emission systems and offers excellent corrosion resistance, making it a top choice for both gasoline and diesel engines. Trusted by professionals and backed by high customer ratings, it’s the upgrade your engine deserves.

## Description

Royal Purple Motor Oil Combines premium base oils with proprietary additive technologies to create high performance motor oils that optimize engine performance and provide superior protection. No special procedures are necessary when upgrading to Royal Purple. Royal Purple motor oil is fully compatible with mineral or other synthetic oils. Royal Purple recommends waiting until the manufacturer’s first scheduled oil change in new gasoline engines before upgrading to Royal Purple. Royal Purple’s API licensed motor oil delivers superior protection and improves performance in gasoline and diesel engines. Royal Purple’s API SN licensed motor oil meets ILSAC GF-5 and Dexos1 1 performance requirements.

Review: Ok - Royal purple came out the worst oil to use But the trans Syncro manual trans fluid is outstanding
Review: Good oil - Received in a timely manner. Works as expected.

## Features

- Better wear protection
- Increased fuel efficiency
- Better protection of the expensive catalytic emission system
- Improved compatibility with fuels containing ethanol
- Superior corrosion protection
- Fit type: Universal Fit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000OP6KLY |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #10,564 in Automotive ( See Top 100 in Automotive ) #144 in Motor Oils |
| Brand | Royal Purple |
| Brand Name | Royal Purple |
| Compatible with Vehicle Type | Car |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 799 Reviews |
| Global Trade Identification Number | 00641330041549 |
| Included Components | 4qts of Royal Purple 15W-40 |
| Item Type Name | Oil |
| Item Weight | 7.7 pounds |
| Liquid Volume | 128 fluid ounces |
| Manufacturer | Royal Purple |
| Manufacturer Part Number | 04154 |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Model Number | ROY04154 |
| Package Information | Bottle |
| SAE J300 Viscosity Grade | 15W-40 |
| Size | 1 Gallon |
| UPC | 641330041549 |
| Unit Count | 128 Ounce |
| Vehicle Service Type | Car |
| Viscosity Level | Medium to High |

## Product Details

- **Brand:** Royal Purple
- **Liquid Volume:** 128 Fluid Ounces
- **Package Information:** Bottle
- **Vehicle Service Type:** Car
- **Viscosity:** 15W-40

## Images

![04154 15W40 Oil, 1 Gallon (128 Ounces) - Image 1](https://m.media-amazon.com/images/I/71fOCB74weL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Ok
*by E***. on July 22, 2026*

Royal purple came out the worst oil to use But the trans Syncro manual trans fluid is outstanding

### ⭐⭐⭐⭐⭐ Good oil
*by M***E on April 23, 2026*

Received in a timely manner. Works as expected.

### ⭐⭐⭐⭐⭐ Calidad insuperable
*by D***S on January 21, 2026*

Exelente aceite para mi motor diesel de mi tractor yanmar af18 con eso vas a fija

## Frequently Bought Together

- Royal Purple 04154 15W40 Oil, 1 Gallon (128 Ounces)
- ACDelco GM Original Equipment PF2232 Engine Oil Filter
- Allison 29539579 Screw-on Filter with Magnet Filter Kit replacing filter for Allison transmission per OEM Specs, For utility terrain vehicles

---

## 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.jp/products/1243992-04154-15w40-oil-1-gallon-128-ounces](https://www.desertcart.jp/products/1243992-04154-15w40-oil-1-gallon-128-ounces)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-06*