Description

The Cummins Oil Pan Gasket 3931346 is a high-quality sealing component designed to prevent oil leaks and maintain proper crankcase sealing in Cummins diesel engines . This gasket is a direct replacement for Cummins OE part number 3930906 , ensuring OEM-correct fitment, sealing performance, and long service life. Manufactured from durable, oil-resistant gasket material, this oil pan gasket is engineered to withstand constant exposure to engine oil, heat cycles, and vibration common in heavy-duty diesel applications. Precision-cut sealing edges ensure a uniform seal between the oil pan and engine block, helping to prevent leaks that can lead to oil loss, contamination, or engine damage. The Cummins 3931346 oil pan gasket is commonly replaced during lower engine repairs, oil pan removal, engine resealing, and complete engine rebuilds . Proper oil pan sealing is critical for maintaining oil pressure, protecting internal components, and ensuring clean, reliable engine operation. Supplied as one complete gasket, this component is ready for professional installation and is commonly included as part of a lower gasket set for Cummins diesel engines.