Genuine Cummins Onan Green Label fuel filter for BGE (Spec J–P), NHE (Spec J–P), and NHEL (Spec J–P) Onan Emerald and Marquis RV generators. Replace every 500 hours. Gasoline generators only. Spec J and later only — earlier specs use different filters. 90-day limited warranty.
The Cummins Onan 149-2333 is the OEM-specified gasoline fuel filter for later-specification BGE, NHE, and NHEL Onan Emerald and Marquis RV generators — specifically Spec J and later. It is a Green Label part tested and designed specifically for these generators and their fuel system requirements.
The fuel filter prevents contaminants in the gasoline supply from reaching the carburetor, where debris can cause surging, hard starting, or fuel delivery issues. A dirty or restricted fuel filter is a common and often overlooked cause of generator performance problems — replacing it at the recommended interval is a straightforward step that can resolve performance issues before they require carburetor service.
This filter applies to Spec J and later only. BGE and NHE generators at earlier spec letters use different fuel filters — or no inline fuel filter at all. Confirm your generator's spec letter before ordering.
Tested and designed specifically for Cummins Onan RV generators — meets original fuel system specifications for BGE/NHE/NHEL Spec J–P generators
Replace every 500 hours per the Cummins Onan maintenance schedule — change sooner if the generator experiences surging, hard starting, or reduced performance
BGE and NHE are gasoline carburetor generator families — this fuel filter applies to gasoline-fueled models only; LP variants do not use a gasoline-style fuel filter
This filter is specifically for BGE/NHE/NHEL Spec J through P — earlier spec letters require different fuel filters; check the spec letter on your generator's nameplate
The BGE and NHE generator families use different fuel filters depending on the spec letter. Installing the wrong filter will result in an incorrect fit: • BGE / NHE Spec A–E: No inline fuel filter in this position • BGE Spec F; NHE Spec F (pre-97): Use 149-2279 • BGE Spec G; NHE Spec G: Use 149-2279 • BGE Spec H; NHE Spec H: Use 149-1353 • BGE Spec J–P; NHE Spec J–P; NHEL Spec J–P: This filter (149-2333) Find your generator's spec letter on the identification nameplate. The spec letter appears after the model designation (e.g., BGE Spec K).
• One (1) 149-2333 Gasoline Fuel Filter Hose clamps are not included with the OEM part. The filter connects inline in the fuel line between the fuel pump and carburetor. Refer to your operator's manual for the correct installation location and procedure.
Backed by a 90-day limited manufacturer's warranty against defects in materials and workmanship. Cummins Power Generation warrants only the quality and integrity of Green Label Parts. Retain your purchase receipt and installation date for any warranty service requests.