Cummins Onan 122-0800 Oil Filter for RV Generators

The Cummins Onan 122-0800 is an OEM replacement oil filter engineered specifically for Cummins Onan NH-series and related RV generators. This canister-style oil filter with foam pre-cleaner helps protect your generator's engine by trapping harmful contaminants and maintaining clean oil flow throughout the lubrication system.

As a genuine Cummins Onan Green Label part, this filter is built to the exact specifications required for reliable, long-term generator performance. Using an OEM-approved filter ensures proper sealing and fitment, reducing the risk of oil leaks or bypass that can result from off-brand alternatives.

Key Features:

• Genuine Cummins Onan OEM replacement oil filter
• Canister style with foam pre-cleaner included
• Engineered to maintain proper oil flow and filtration efficiency
• Precision sealing surfaces to prevent oil bypass and leaks
• Direct OEM fit — no modification required
• Designed for 150–200 hour maintenance intervals depending on generator model

Compatible Generator Models Include:

• Emerald NHE and NHEL series
• Marquis Gasoline NHM and LP NHM series
• NH Power Drawer and NH Power Drawer 9000
• NH RV and NHL model generators
• BGAL RV series

Replace your oil filter at every scheduled maintenance interval to keep your Onan generator running at peak efficiency. Refer to your Operator's Manual for the specific maintenance interval recommended for your generator model.