CUMMINS 3923096 OEM SEALING WASHER – OIL PAN DRAIN PLUG (5.9L CUMMINS 1994–2002)

Product Description

The Cummins 3923096 OEM Sealing Washer is the factory-correct oil drain plug washer used on 1994–2002 5.9L Cummins 12-Valve and 24-Valve ISB engines. This sealing washer ensures a proper crush seal between the oil pan and the OEM drain plug, preventing leaks and guaranteeing reliable oil system maintenance. Designed to the exact thickness, diameter, and material specifications required by Cummins, this washer provides superior sealing compared to generic aftermarket substitutes.

Whether performing a routine oil change, repairing a worn drain plug, or restoring factory-correct hardware, the 3923096 sealing washer is essential for maintaining lubrication integrity and preventing seepage over time.

Fitment

• 1994–1998 Dodge Ram 2500/3500 with 5.9L 12-Valve Cummins (6BT)
• 1998.5–2002 Dodge Ram 2500/3500 with 5.9L 24-Valve ISB Cummins
• All B-Series 5.9L engines using OEM oil pan drain plug requiring sealing washer #3923096

Cross-Reference (Cummins-Only)

Related Cummins lubrication hardware available on CPP Diesel:
• Cummins 3915787 OEM Threaded Plug – Oil Filter Housing
• Cummins 3903924 OEM Timing Pin
• Cummins 3900267 Tappet Cover Bolt Grommet Seal

FAQ

Does the Cummins 3923096 sealing washer need to be replaced every oil change?

Yes. Cummins recommends replacing the sealing washer every time the drain plug is removed to ensure a leak-free seal.

Is this washer compatible with both 12V and 24V 5.9L Cummins engines?

Yes — this washer fits 1994–2002 12-Valve and 24-Valve ISB Cummins oil pans using the OEM drain plug specification.

Will this washer fit aftermarket drain plugs?

This washer is designed for OEM-spec drain plugs. Aftermarket plugs may use different diameters or sealing surfaces.

What happens if I reuse the old sealing washer?

Reusing the washer can lead to oil seepage, uneven sealing, or loss of torque retention. Always install a new OEM washer.

Specifications for cummins 3923096