K&N air filter for the 2019 Nissan Altima, 2019 Nissan Altima replacement air filter, and K&N drop-in air filter 2019 deliver a proven performance upgrade with enhanced airflow and improved horsepower. Designed with state-of-the-art, layered, oiled cotton media, this high-flow air filter is engineered to boost airflow—reportedly up to a 50% increase—while capturing contaminants for optimal engine performance.
Key Features
• High-flow design for improved horsepower and up to a 50% airflow increase
• Washable and reusable media engineered to last the lifetime of your vehicle
• Easy drop-in installation that fits perfectly into your factory air box
• Specifically designed for the 2019-2022 Nissan Altima Platinum and 2019-2025 Altima (S, SL, SR, SV)
Technical & Installation Details
• Crafted as a drop-in replacement that installs quickly into your factory air box
• For sustained performance, clean the filter every 75,000 miles or as needed based on driving conditions
• Technical drawing available for detailed installation instructions
Warranty & Eco-Friendly Benefits
Backed by K&N’s 10-Year/Million Mile Limited Warranty, this air filter not only offers long-term reliability but also helps reduce waste compared to disposable filters.
Upgrade today to enjoy enhanced engine performance and a longer-lasting filter. Discover more in our Air Filters - Drop In collection.
