Product Description
The CUMMINS 3920781 OEM ROCKER ARM BOLT (ROCKER LEVER) is designed for 1989–1998 5.9L 6BT Cummins diesel engines. This genuine Cummins fastener secures the rocker lever assembly and helps maintain proper valve train alignment, stability, and operation.
Use this part when repairing valve train components, replacing damaged hardware, rebuilding a cylinder head, or performing engine service on a 5.9L 12-valve Cummins. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM rocker arm bolt
- Direct-fit replacement fastener
- Designed for 1989–1998 5.9L 6BT Cummins engines
- Helps maintain proper rocker lever retention
- Built to Cummins factory specifications
- Ideal for engine repair, maintenance, and rebuild applications
FITMENT
- 1989–1993 Dodge Ram D/W Series 5.9L 6BT Cummins
- 1994–1998 Dodge Ram 2500/3500 5.9L 6BT Cummins
- Select Cummins 6BT industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 3920781 OEM Rocker Arm Bolt
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3920781
- Cummins Rocker Lever Assemblies
- Cummins Valve Bridges
- Cummins Pushrods
- Cummins Valve Adjustment Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3920781
- Part Type: Rocker Arm Bolt / Rocker Lever Bolt
- Engine Compatibility: 5.9L 6BT Cummins
- Fitment Years: 1989–1998
- Vehicle Application: Dodge Ram 2500 and 3500
- Condition: New OEM Cummins
- Material: Hardened Steel
- Installation Type: Direct Replacement
FAQ
Will this bolt fit my Cummins engine?
This bolt is designed for many 1989–1998 5.9L 6BT Cummins applications. Always verify fitment using your engine serial number before ordering.
Is this a genuine Cummins part?
Yes. Cummins 3920781 is a genuine OEM rocker arm bolt manufactured to Cummins specifications.
What does the rocker arm bolt do?
The rocker arm bolt secures the rocker lever assembly and helps maintain proper valve train geometry and operation.
Should I replace rocker arm bolts during a rebuild?
Inspect all hardware during engine service. Replace damaged, stretched, corroded, or questionable fasteners to ensure reliable operation.
What is included with this listing?
This listing includes one Cummins 3920781 OEM rocker arm bolt.
Do I need any related parts?
Inspect rocker levers, valve bridges, pushrods, adjusting screws, and related valve train components during installation and replace worn parts as necessary.