---
product_id: 689637943
title: "HMX w/Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |5 Quart | SKU: 17518"
brand: "royal purple"
price: "€ 176.41"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/689637943-hmx-w-synerlec-high-mileage-sae-5w-20-premium-synthetic
store_origin: IE
region: Ireland
---

# 5W-20 Viscosity Zinc/Phosphorus Additive 5 Quart Capacity HMX w/Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |5 Quart | SKU: 17518

**Brand:** royal purple
**Price:** € 176.41
**Availability:** ✅ In Stock

## Summary

> 🚗 Keep Your Engine Thriving!

## Quick Answers

- **What is this?** HMX w/Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |5 Quart | SKU: 17518 by royal purple
- **How much does it cost?** € 176.41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/689637943-hmx-w-synerlec-high-mileage-sae-5w-20-premium-synthetic)

## 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

- • **Longer Oil Life:** Proprietary Synerlec technology strengthens oil film.
- • **Superior Protection:** Increased defense against LSPI for peace of mind.
- • **Exceptional Stability:** Outstanding oxidation stability for extended use.
- • **High Mileage Friendly:** Perfect for vehicles with over 75,000 miles.
- • **Engine Performance Restored:** Minimizes wear and enhances engine efficiency.

## Overview

Royal Purple HMX w/Synerlec is a premium synthetic motor oil designed specifically for high mileage vehicles. With a viscosity of 5W-20, this 5-quart oil minimizes wear, restores engine performance, and offers exceptional oxidation stability, ensuring your engine runs smoothly and efficiently.

## Description

HMX w/Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |5 Quart | SKU: 17518

## 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 |
|---------------|-------|
| Manufacturer | Royal Purple |
| Brand | Royal Purple |
| Model | Royal Purple HMX w/ Synerlec | High Mileage SAE 5W-20 Premium Synthetic Motor Oil |5 Quart | SKU: 17518 |
| Product Dimensions | 25.15 x 14.99 x 30.73 cm; 4.24 kg |
| Item model number | 17518 |
| Manufacturer Part Number | ROYA17518 |
| OEM Part Number | 17518 |
| Item Weight | 4.24 Kilograms |
| Viscosity | 5W 20 |

## Product Details

- **Viscosity:** 5W 20
- **Brand:** Royal Purple
- **Liquid volume:** 5 Quarts
- **Package information:** Bottle
- **Vehicle service type:** Boat

## Images

![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)

## 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

---

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**Shop now:** [https://www.desertcart.ie/products/689637943-hmx-w-synerlec-high-mileage-sae-5w-20-premium-synthetic](https://www.desertcart.ie/products/689637943-hmx-w-synerlec-high-mileage-sae-5w-20-premium-synthetic)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-19*