2013-2025 Ram 2500 6.7L Diesel Engines Only 2013-2025 Ram 3500 6.7L Diesel Engines Only 2013-2025 Ram 4500 6.7L Diesel Engines Only 2013-2025 Ram 5500 6.7L Diesel Engines Only. CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles).
