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The K&N Diesel Dryflow replacement air filter for 2017–2019 GM Heavy Duty V8 6.6L diesels is a washable, reusable direct-fit filter that uses layered cotton and synthetic media to improve airflow while trapping contaminants. Offered as a drop-in replacement for the factory air box, the filter is engineered for long-term reuse and is backed by K&N's No-Hassle Lifetime Limited Warranty.
K&N 17-19 GM Heavy Duty V8-6.6L Diesel Dryflow Lifetime Engine Air Filter
