Royal Purple HMX 5W-30 High Mileage Motor Oil, Universal, 5 Quarts
Royal Purple HMX 5W-30 High Mileage Motor Oil, Universal, 5 Quarts
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Royal Purple HMX 5W-30 High Mileage Motor Oil, Universal, 5 Quarts

4.8 stars out of 105 reviews
(4.8)|
105 ratings
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Key item features

  • High Mileage: Specifically formulated for high mileage engines to minimize wear and restore lost performance.
  • Seal Compatibility: Excellent seal compatibility keeps seals and gaskets pliable, reducing oil leaks.
  • Extended Intervals: Allows for extended drain intervals, reducing the frequency of oil changes.
  • LSPI Protection: Provides increased protection against Low-Speed Pre-Ignition (LSPI).
  • Anti-Wear Additives: Fortified with robust Zinc/Phosphorus anti-wear additives for enhanced engine protection.
  • Oxidation Stability: Exceptional oxidation stability helps maintain oil integrity over time.
  • Deposit Reduction: Reduces engine deposits with stout detergents, promoting engine cleanliness and longevity.
  • Advanced Technology: Utilizes Royal Purple's proprietary Synerlec technology for superior film strength and friction reduction.
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Current price is $37.56
Price when purchased online
  • Free shipping
  • Free 90-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $37.56
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One-time purchase $37.56

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Columbus, 43215
Arrives by Wed, Apr 22
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Customer ratings & reviews

4.8 out of 5 stars
stars105 ratings42 reviews
How item rating is calculated
  1. 5 stars88% (92)
  2. 4 stars9% (9)
  3. 3 stars1% (1)
  4. 2 stars0% (0)
  5. 1 star3% (3)

Reviews summary

Pros

  • : Offers affordable options.
  • : Provides more power and reduces noise.
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Showing 1-3 of 42 reviews

Oct 9, 2024
Maxine
5 out of 5 stars review

Verified Purchase

What You See Is What You Get

This item was returned because it did not arrive on time for my oil change. But still purchased the oil, at the of my appointment. And was assured that the product was as good for my car as ordered on line. Could not show pictures because the item has been taken back to store.

Incentivized Review
Helpful?5DF3AY4A3CIB192183867
Jul 29, 2016
PW2K
5 out of 5 stars review

Verified Purchase

I'm impressed!

I'm a new customer and I've recently used RP HMX for the first time on my 97 Nissan Sentra with 220k miles. All I can say is Wow! I'm now getting more power and less noise out of my engine. I plan on changing all of my cars over to RP. Good stuff.

Helpful?5DF3AY4A3CIB192183867
Mar 16, 2026
Robert
5 out of 5 stars review

Verified Purchase

500k and running strong. Great oil, great price and prompt delivery. Whats not to like...

Helpful?5DF3AY4A3CIB192183867