International Oil Filter

The International 1833121C1 is a high-performance oil filter designed for use in heavy-duty trucks and diesel engines. Manufactured by Navistar International, this filter is engineered to meet OEM specifications, providing superior protection by capturing harmful contaminants from engine oil. Its robust construction ensures durability, reliable filtration efficiency, and extended engine life under demanding operating conditions. Made in the USA, it is widely used in International truck applications and other compatible diesel systems.