This Lubricating Oil Filter Head is engineered for reliable performance on Cummins K19 KTA19 QSK. Primary part number is 3304173, and it replaces 3304172. Built to OEM-quality standards for proper fit and function. Resists fatigue, corrosion, and extreme operating conditions. Great for maintenance teams, repair shops, and equipment owners. Simple installation and dependable operation help keep your equipment running on schedule. It offers stable performance and long-term reliability for your Cummins engine.