Factory recommended and tested, maximum protection engine oil formulated to reduce consumption and engine wear due to high temperature oil oxidation and viscosity increase. One-quart bottle. Multi-grade oils such as SAE15W-40 are recommended for year round use in Onan liquid cooled engines, or as a good all season oil for air cooled engines.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov