---
product_id: 139941913
title: "Royal Purple HMX w/Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |5 Quart | SKU: 17518"
brand: "royal purple"
price: "VT29405"
currency: VUV
in_stock: true
reviews_count: 8
category: "Royal Purple"
url: https://www.desertcart.vu/products/139941913-royal-purple-hmx-w-synerlec-high-mileage-sae-5w-20
store_origin: VU
region: Vanuatu
---

# Extended oil drain life with Synerlec Zinc/Phosphorus anti-wear additive 5W-20 SAE Grade Royal Purple HMX w/Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |5 Quart | SKU: 17518

**Brand:** royal purple
**Price:** VT29405
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate your engine’s life with Royal Purple HMX – because your ride deserves premium care!

## Quick Answers

- **What is this?** Royal Purple HMX w/Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |5 Quart | SKU: 17518 by royal purple
- **How much does it cost?** VT29405 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/139941913-royal-purple-hmx-w-synerlec-high-mileage-sae-5w-20)

## 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

- • **Seal Revitalizer:** Chemically softens hardened seals to reduce oil consumption and leaks.
- • **Extended Oil Life:** Exceptional oxidation stability lets you push oil change intervals safely.
- • **Deposit-Free Drive:** Advanced detergents keep your engine spotless, promoting peak performance.
- • **Synerlec Power Shield:** Proprietary additive technology strengthens oil film, reducing friction and start-up wear.
- • **Engine Longevity Booster:** Minimizes wear and restores lost engine performance for high-mileage vehicles.

## Overview

Royal Purple HMX SAE 5W-20 is a premium synthetic motor oil formulated with advanced Synerlec additive technology and zinc/phosphorus anti-wear agents. Designed for high-mileage engines, it minimizes wear, revitalizes seals, and maintains engine cleanliness while extending oil drain intervals. Ideal for professionals seeking reliable, long-lasting engine protection.

## Description

Royal Purple® HMX® is specifically formulated with robust zinc / phosphorus anti-wear additives and Royal Purple’s proprietary additive technology Synerlec® to minimize wear and restore lost engine performance. HMX is chemically enhanced to revitalize hardened seals reducing oil consumption common in higher mileage engines. Stout detergents remove engine deposits and maintain cleanliness promoting engine longevity. Royal Purple’s advanced Synerlec technology provides an exceptional film strength by reducing friction for peak engine performance. Synerlec also provides outstanding oxidation resistance to safely extend oil drains, and an ionic attraction to metal components maintaining a film of oil on parts minimizing start-up wear.

## Features

- Minimizes wear and restores lost engine performance
- Increased protection against LSPI
- Fortified with Zinc/Phosphorus anti-wear additive
- Proprietary Synerlec additive technology increase oil film strength allowing for longer oil life
- Exceptional oxidation stability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07NYTBP38 |
| Best Sellers Rank | #12,102 in Automotive ( See Top 100 in Automotive ) #178 in Motor Oils |
| Brand | Royal Purple |
| Brand Name | Royal Purple |
| Compatible with Vehicle Type | Boat |
| Container Type | Bottle |
| Customer Reviews | 4.9 out of 5 stars 404 Reviews |
| Included Components | 1x 5 Quart Bottle |
| Item Type Name | motor oil |
| Item Weight | 9.4 Pounds |
| Liquid Volume | 5 Quarts |
| Manufacturer | Royal Purple |
| Manufacturer Part Number | ROYA17518 |
| Manufacturer Warranty Description | Please contact us if you experience any issues within 30 days of receipt. |
| Package Information | Bottle |
| UPC | 641330175183 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Boat |
| Viscosity | 5W 20 SAE Grade |

## Product Details

- **Viscosity:** 5W 20 SAE Grade
- **Brand:** Royal Purple
- **Vehicle Service Type:** Boat
- **UPC:** 641330175183
- **Automotive Fit Type:** Vehicle Specific Fit

## Images

![Royal Purple HMX w/Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |5 Quart | SKU: 17518 - Image 1](https://m.media-amazon.com/images/I/51aAxY+DRJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by L***T on March 16, 2026*



### ⭐⭐⭐⭐⭐ Review
*by D***A on December 16, 2025*



### ⭐⭐⭐⭐⭐ Review
*by L***K on July 24, 2025*



## Frequently Bought Together

- Royal Purple HMX w/Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |5 Quart | SKU: 17518
- Royal Purple HMX w/Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |1 Quart | SKU: 17511
- K&N Premium Oil Filter: Protects your Engine: Compatible with Select CHRYSLER/DODGE/ JEEP/RAM Vehicle Models (See Product Description for Full List of Compatible Vehicles), HP-7026

---

## 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.vu/products/139941913-royal-purple-hmx-w-synerlec-high-mileage-sae-5w-20](https://www.desertcart.vu/products/139941913-royal-purple-hmx-w-synerlec-high-mileage-sae-5w-20)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-06*