Onan 5500/7000 Oil/Air/Fuel Kit + Spark Plugs

Keep your Onan 5500 or 7000 series generator running smoothly with this comprehensive maintenance kit from RARAYC. Designed for Marquis Gold/RV QG, Marquis Platinum QG EFI, and HGJAA/HGJAB/HGJAC models, this kit includes everything you need for a full oil, air, and fuel system refresh—plus fresh spark plugs—to restore peak performance and extend engine life.

The kit features a high-efficiency oil filter (122-0836) that traps contaminants, a fuel filter (149-2341-01) to remove water and gums from fuel, and a premium air filter (140-3116) for cleaner combustion. Two new 167-1638 spark plugs ensure reliable ignition. Built with durable materials, these filters deliver long-lasting protection while maintaining optimal airflow and fuel purity. Whether you're preparing for seasonal use or performing routine maintenance, this kit simplifies the process and helps prevent costly engine wear.