Product Description
Cummins 3923015 OEM Clip / Spring Nut – Tappet Cover – Ram 5.9L 12-Valve (1994–1998)
The Cummins 3923015 OEM Clip / Spring Nut is the factory-correct hardware used to secure the tappet cover (valley cover) on 1994–1998 Dodge Ram trucks equipped with the legendary 5.9L 12-Valve Cummins engine. Manufactured to Cummins OEM specifications, this spring nut provides the proper clamping force required to keep the tappet cover securely fastened while helping prevent oil leaks caused by vibration, heat cycling, and hardware fatigue.
Whether you're restoring a 12-Valve Cummins, replacing worn tappet cover hardware, or performing a valley cover reseal, the genuine Cummins 3923015 spring nut ensures proper fitment, durability, and long-term reliability. Replacing old hardware during maintenance helps maintain a leak-free seal and prevents future service issues.
Features
- Genuine Cummins OEM replacement part
- Factory-correct clip and spring nut design
- Secures the tappet cover (valley cover)
- Provides proper clamping force and retention
- Helps prevent oil seepage and cover movement
- Resistant to vibration and heat cycling
- Direct replacement for worn or damaged hardware
- Ideal for engine restoration and maintenance projects
- Maintains OEM fit, function, and durability
Fitment
- 1994 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1995 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1996 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1997 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1998 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1994 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1995 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1996 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1997 Dodge Ram 3500 5.9L 12-Valve Cummins
- 1998 Dodge Ram 3500 5.9L 12-Valve Cummins
- Cummins 5.9L 6BT engines utilizing the OEM tappet cover assembly
Note: For industrial, agricultural, marine, and off-highway Cummins applications, verify fitment by Engine Serial Number (ESN) before ordering.
What's Included
- One Genuine Cummins 3923015 OEM Clip / Spring Nut
Specifications
- Manufacturer: Cummins
- Part Number: 3923015
- Component Type: Clip / Spring Nut
- Application: Tappet Cover (Valley Cover) Hardware
- Engine Platform: Cummins 5.9L 12-Valve (6BT)
- OEM Replacement: Yes
- Material: Spring Steel Construction
- Installation Location: Tappet Cover Retention
- Fitment: 1994–1998 Dodge Ram 2500/3500 5.9L Cummins
- UPC: Not Published by Manufacturer
- GTIN: Not Published by Manufacturer
- Weight: Approximately 0.02 lbs
- Application Type: OEM Service and Repair
Cross Reference Numbers
3923015, Cummins 3923015, OEM Tappet Cover Spring Nut, OEM Valley Cover Clip, Cummins Tappet Cover Hardware, Cummins 3900267, Cummins 3903924, Cummins 3909395
FAQ
What does the Cummins 3923015 spring nut secure?
The Cummins 3923015 spring nut secures the tappet cover, also known as the valley cover, on 1994–1998 5.9L 12-Valve Cummins engines.
Should I replace the spring nuts when resealing the tappet cover?
Yes. Spring nuts can lose tension over time due to age, vibration, and heat cycles. Replacing them during a reseal helps ensure proper clamping force and a leak-free repair.
Does this fit 24-Valve Cummins engines?
No. This hardware is commonly associated with the 1994–1998 5.9L 12-Valve Cummins tappet cover design. Verify part numbers before ordering for 24-Valve applications.
Is this the same hardware used on the valve cover?
No. The tappet cover uses application-specific hardware that differs from valve cover fasteners and retention components.
Why use genuine Cummins hardware?
Genuine Cummins parts are engineered to factory specifications for proper fitment, durability, and long-term reliability, helping maintain OEM performance standards.
