K&N Air Filter for Royal Enfield Himalayan 411

The K&N RO-4118 is a washable and reusable high-flow engine air filter designed specifically for compatible Royal Enfield Himalayan 411 motorcycles. K&N's official vehicle application information confirms RO-4118 for the Himalayan 411 from 2018 through 2022. The filter uses a round straight configuration and application-specific construction for accurate fitment. K&N manufactures the filtration element using layers of premium cotton gauze treated with a specially designed tacking agent to help capture dirt and contaminants while maintaining high airflow. It is supplied pre-oiled and can be washed, serviced and re-oiled for continued use, providing a reusable alternative to conventional disposable filtration elements. K&N states that its High-Flow motorcycle filters are engineered to increase airflow, which can help improve horsepower, acceleration and engine response without typically requiring fuel-management modifications. The RO-4118 measures 143 mm in overall height and 97 mm in outside diameter, with a 54 mm inside diameter and 54 mm flange inside diameter. K&N specifies a filter re-oiling quantity of 30 ml and a product weight of approximately 0.3 kg. One filter is supplied per package, making RO-4118 a model-specific reusable filtration solution for compatible Royal Enfield Himalayan 411 motorcycles.

High-flow replacement engine air filter; Premium oiled cotton gauze filtration media; Pre-oiled and ready for installation; Washable and reusable construction; Designed to increase airflow; Can help improve horsepower, acceleration and engine response; Application-specific sealing construction; Round straight filter shape; 143 mm height; 97 mm outside diameter; 54 mm inside diameter

Filter Type - Round Straight | OEM Cross Reference - Royal Enfield 587343A | Inside Diameter - 54 mm | Flange Inside Diameter - 54 mm | Flange Length - 11 mm | Filter Re-Oiling Amount - 30 ml | Washable - Yes | Pre-Oiled - Yes | Package Quantity - 1