CUMMINS 3920344 OEM VALVE COVER SCREEN STUD (STUDDED FLANGE CAP SCREW) – RAM 5.9L 12V (1991–1998)

Product Description

The Cummins 3920344 OEM Valve Cover Screen Stud (also known as a studded flange cap screw) is the correct factory fastener used to secure the valve cover baffle screen and upper cover assembly on 1991–1998 5.9L 12-Valve Cummins engines. This stud ensures proper clamping force, vibration resistance, and leak-free valve cover retention—something universal bolts cannot guarantee. As an OEM Cummins fastener, it is manufactured to exact hardness, thread pitch, and flange tolerances for long-term sealing and durability.

If you are repairing an oil leak, replacing missing hardware, or restoring a 12-Valve top-end to factory-correct condition, the 3920344 studded flange cap screw is the proper OEM solution.

Fitment

• 1991–1993 Dodge D250 / D350 / W250 / W350 with 5.9L 12-Valve Cummins
• 1994–1998 Dodge Ram 2500 / 3500 with 5.9L 12-Valve Cummins
• 5.9L 6BT industrial and agricultural B-Series (verify by ESN)
• Used specifically to secure valve cover baffle/screen & cover hardware

Cross-Reference (Cummins-Only)

Related top-end Cummins hardware:
• Cummins 3900267 Tappet Cover Bolt Grommet Seal
• Cummins 3904409 Valve Stem Guide – 51.75mm
• Cummins 3904408 Valve Stem Guide – 60.50mm

FAQ

What does the Cummins 3920344 stud do?

This stud secures the baffle screen and valve cover assembly on the 12-Valve 5.9L Cummins engine.

Can regular bolts replace this stud?

No. This is a specific studded flange bolt designed to maintain correct clamp load and prevent leaks. Generic bolts often cause sealing and vibration issues.

How many of these studs does a 12-Valve engine use?

Most 12-Valve valve covers use multiple of these studs depending on the configuration. Replace any missing or corroded hardware.

Does this fit the 24-Valve 5.9L Cummins?

No. This part is specific to 12-Valve B-Series applications (1991–1998). The 24-Valve ISB uses different hardware.

Specifications for cummins 3920344