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11903 HMX High Mileage Motor Oil SAE 0W-20
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ROYAL PURPLEPART NUMBER: 831-11903

11903 HMX High Mileage Motor Oil SAE 0W-20

$3509$38.99You Save$3.90
ShippingShips on Sep 04, 2026
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5 Quarts
High Mileage Motor Oil
  • SAE 0W-20
  • 5-Quart Bottle
  • For Gasoline Engines
  • Enhanced Seal Conditioning
  • Synerlec Additive Technology

    This high mileage motor oil is formulated to help reduce wear and restore performance in engines with extended service life. It features advanced additive technology designed to improve film strength, reduce friction, and maintain engine cleanliness.

    Royal Purple 11903 HMX Motor Oil Features:

    • SAE 0W-20 viscosity grade
    • Formulated for high mileage gasoline engines
    • Enhanced seal conditioning to reduce oil consumption
    • Fortified with zinc and phosphorus anti-wear additives
    • Synerlec additive technology for increased film strength
    • Improves oxidation resistance for extended oil life
    • Helps reduce engine deposits and maintain cleanliness
    • Provides corrosion protection
    • Meets API SL service requirements
  • 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.

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    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.

    Part TypeEngine Oil
    Product LineRoyal Purple HMX High Mileage Synthetic Motor Oil
    BrandROYAL PURPLE
    Package Height5.4
    Package Width7.1
    Package Length12.3
    Weight10.0 PG
    Part CategoryAccessories
    Zddp EnhancedYes
    Oil Weight0W-20
    Api RatingSN
    QuantitySold individually
    Oil TypeSynthetic
    Part FitmentUniversal
    Vendor Part Number11903
    Package Qty1
    Package TypeEA
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