140-2897 AIR FILTER FOR CUMMINS ONAN QD GENERATOR HDKAH HDKAK HDKAJ

iFJF part No.: FJ-AF08. High-Capacity Air Filtration for Cummins Onan Diesel Generators The 140-2897 air filter is a critical maintenance component for your Cummins Onan Quiet Diesel (QD) RV generator series. Clean intake air is absolutely essential for proper combustion efficiency, fuel economy, and preventing premature cylinder bore wear in diesel engines. This direct-fit replacement filter meets or exceeds OEM specifications for filtration efficiency (99.5% at rated micron) and dust-holding capacity, giving you the confidence to rely on your generator whether you are dry camping off-grid or need backup power at home. Modern diesel generators operate under demanding conditions high ambient temperatures, dusty environments, and continuous load for hours at a time. A clogged or low-quality air filter starves the engine of oxygen, leading to incomplete combustion, increased fuel consumption, black exhaust smoke, and eventual power loss. Our premium aftermarket replacement uses multi-layer pleated cellulose/synthetic-blend media that traps airborne contaminants while maintaining the airflow your Onan generator requires for rated power output. Key Features & Benefits OEM-Spec Filtration: Multi-layer pleated media captures 99.5% of airborne dust, pollen, and debris protecting cylinder walls, piston rings, and turbocharger from abrasive wear. Heavy-Duty Construction: Reinforced polyurethane seal and rigid pleat support structure prevent filter collapse under high airflow demand, even in high-humidity marine and RV environments. Perfect Fit Guarantee: Precision-molded to match the factory air box dimensions exactly. No trimming, forcing, or modifications needed drops right in like the OEM part. Extended Service Life: High dirt-holding capacity means longer intervals between changes, reducing maintenance downtime during camping season. Quality Certified: Manufactured in IATF 16949-certified facilities with multi-point inspection including burst testing, media integrity check, and dimensional verification. Compatibility & Applications This filter is a direct replacement for Cummins Onan Quiet Diesel generators including: HDKAH (7.5kW Quiet Diesel) HDKAK (8kW Quiet Diesel) HDKAJ (10kW Quiet Diesel) HQDPA / HQDPC (10-12.5kW Quiet Diesel) Replaces OEM & aftermarket part numbers: 140-2897, 1402897, Baldwin PA5658, Donaldson P181050, Fleetguard AF27906, WIX 49697, LAF5978, CA11094 Technical Specifications Specification Detail Filter Type Pleated Panel Air Filter Filtration Media Cellulose/Synthetic Blend Efficiency Rating 99.5% at Rated Micron Seal Material Molded Polyurethane Application RV/Marine/Standby Diesel Generators Service Interval Every 250 Hours or Annually Why Replace Your Generator Air Filter Regularly? RV generator air filters often get overlooked during routine maintenance because generators run fewer hours than a vehicle engine. However, generator operating environments are frequently far dustier campgrounds, desert boondocking sites, construction areas, and even backyard storage expose the air intake to significantly more airborne particulates. A dirty air filter causes: Increased fuel consumption restricted airflow means the engine works harder for the same power output Black exhaust smoke incomplete combustion from insufficient oxygen Hard starting and rough running especially under load (A/C compressor starting) Premature engine wear unfiltered dust acts like sandpaper on cylinder walls For full-time RVers who rely on their gener