This Genuine Fleetguard Maintenance Filter Kit includes all essential filters required for proper service of Cummins Onan Quiet Diesel generators. Kit includes: (1) FF236 Fuel Filter (1) AF27906 Air Filter (1) LF3591 Oil Filter These original Fleetguard filters are designed to provide superior protection, optimal performance, and extended service life for your generator. Compatible with Cummins Onan Quiet Diesel models: 6000 7500 8000 Using genuine Fleetguard filters ensures proper filtration, improved efficiency, and maximum engine protection.