Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededHMX High Mileage Synthetic Motor Oil 5W20
Ships on Sep 07, 2026
Lowest Price Guarantee- HMX High Mileage Synthetic Motor Oil
- 5W20
- 5-Quart Bottle
Minimize Engine Wear with HMX High Mileage Synthetic Motor Oil
Royal Purple's HMX High Mileage Synthetic Motor Oil has been formulated with robust zinc/phosphorus anti-wear compounds combined with Synerlec propriety additive technology. This premium synthetic oil is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high mileage engines. In addition, HMX is fortified with stout detergents to remove engine buildup and deposits, maintain cleanliness and promote engine longevity.
Show More
The advanced Synerlec technology in HMX provides exceptional film strength, reducing friction and metal to metal contact for peak engine performance. It also provides outstanding oxidation resistance to safely extend oil drain intervals, and an ionic attraction to metal surfaces, providing protection and minimizing engine wear during startup.
Features:
- Recommended for gasoline engines with 75,000 miles or more.
- Safely extends oil drain intervals up to 15,000 miles or 12 months on unmodified, mechanically sound engines with proper filtration.
- Suitable for use in engines specifying API service SJ, SL, SM, and SN.
- Synerlec Technology for reduced friction and excellent durability.
Items You Need
![Funnel [8.5 in. Overall Length]](https://www.jegs.com/images/mini_200/500/555/555-w4064.jpg)
![Drain Pan [7 Quart]](https://www.jegs.com/images/mini_200/500/555/555-w4070.jpg)
