Onan 326-5336 OnaMax Generator Oil, 15W-40, 32 Oz

Onan 326-5336 OnaMax Generator Oil is a high-performance 15W-40 conventional oil designed to reduce engine wear and oil consumption in demanding conditions. Its heat-resistant formula helps prevent oxidation and viscosity breakdown for reliable generator protection.

• Reduces engine wear and oil consumption in high-heat conditions
  • Ideal for generators operating under heavy loads or extreme temperatures
• Helps prevent oil oxidation and viscosity breakdown
  • Maintains consistent performance during extended run times
• Recommended for year-round use in Cummins liquid-cooled and air-cooled engines
  • SAE 15W-40 multi-viscosity formula for reliable all-season performance
• Suitable for both gas and diesel generators
  • Versatile option for RVs, backup systems, and mobile power units
• SAE 15W-40 multi-viscosity formula for reliable all-season performance
• Factory-tested for maximum protection and engine longevity
• Comes in a 1-quart (32 oz) bottle for easy handling and storage
• Weight: 2 lbs.
• Limited 1-Year Manufacturer Warranty.
• Safety Data Sheet