Product Description
The CUMMINS 3901306 OEM CAMSHAFT BUSHING is designed for 1989–1997 5.9L 12-Valve Cummins diesel engines. This genuine Cummins camshaft bushing is engineered to support proper camshaft alignment and rotation while maintaining factory oil clearance and long-term engine reliability.
Use this part when rebuilding a Cummins engine, repairing camshaft bore wear, or replacing worn camshaft bushings during a complete engine overhaul. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM camshaft bushing
- Direct-fit replacement for applicable 5.9L 12-Valve Cummins engines
- Maintains proper camshaft support and alignment
- Designed to meet OEM specifications for oil clearance and durability
- Recommended during engine rebuilds and machine shop service work
FITMENT
- 1989–1993 Dodge Ram D/W 250 and D/W 350 5.9L Cummins 12-Valve
- 1994–1997 Dodge Ram 2500/3500 5.9L Cummins 12-Valve
- Select Cummins 6BT 5.9L industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 3901306 OEM Camshaft Bushing
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3901306
- Cummins Camshaft Components
- Cummins Camshaft Bearings and Bushings
- Cummins Engine Rebuild Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3901306
- Part Type: Camshaft Bushing
- Engine Compatibility: 5.9L 12-Valve Cummins (6BT)
- Fitment Years: 1989–1997
- Vehicle Application: Dodge Ram 2500 and 3500
- Condition: New OEM Cummins
- Engine Component: Camshaft Support System
- Installation Type: Press-In Replacement
FAQ
Will this camshaft bushing fit my truck?
This bushing fits many 1989–1997 5.9L 12-Valve Cummins applications. Always verify fitment by engine serial number before ordering.
Is this a genuine Cummins part?
Yes. Cummins 3901306 is a genuine OEM camshaft bushing manufactured to Cummins specifications.
When should camshaft bushings be replaced?
Camshaft bushings are commonly replaced during complete engine rebuilds, when excessive wear is found, or when camshaft oil clearance is outside specification.
Can I replace only one camshaft bushing?
Depending on engine condition, individual bushings may be replaced. However, many rebuilders inspect and service all camshaft bushings during an overhaul.
Does installation require special tools?
Yes. Proper installation typically requires specialized bushing installation and sizing equipment to ensure correct alignment and oil passage positioning.
Do I need any related parts?
Inspect the camshaft, cam bearings, lifters, timing components, seals, and related engine rebuild parts during installation and replace worn components as needed.
