Product Description
Cummins 3908032 OEM Engine Crankshaft with Gear for 5.9L 12-Valve and 24-Valve Engines (1989-2002)
The Cummins 3908032 OEM Engine Crankshaft with Gear is a genuine Cummins replacement crankshaft engineered for 5.9L B-Series diesel engines used in Dodge Ram applications from 1989 through 2002. Manufactured to Cummins' original equipment specifications, this crankshaft is designed to restore factory performance, durability, and reliability in both 12-valve and 24-valve engine rebuilds.
Whether you're completing a stock overhaul, performance rebuild, or replacing a damaged crankshaft, the Cummins 3908032 delivers the precise balance, strength, and machining quality required for long engine life. Supplied with the factory-installed timing gear, this OEM crankshaft is ready for professional engine assembly and helps ensure proper gear train alignment and operation.
Features
- Genuine Cummins OEM crankshaft
- Includes factory-installed crankshaft timing gear
- Designed to original Cummins specifications
- Restores factory engine performance and reliability
- Precision-machined for proper bearing clearances
- Engineered for long service life and durability
- Ideal for stock rebuilds and performance engine builds
- Direct replacement for worn or damaged crankshafts
- Compatible with both 12-valve and 24-valve 5.9L Cummins engines
- Built for demanding diesel applications
Fitment
- 1989-1998 Dodge Ram 2500 5.9L Cummins 12-Valve
- 1989-1998 Dodge Ram 3500 5.9L Cummins 12-Valve
- 1998.5-2002 Dodge Ram 2500 5.9L Cummins 24-Valve
- 1998.5-2002 Dodge Ram 3500 5.9L Cummins 24-Valve
- 5.9L Cummins B-Series diesel engines
- Industrial and commercial 5.9L Cummins applications using part number 3908032
Note: Proper inspection of bearings, connecting rods, block alignment, and all rotating assembly components is recommended during engine rebuilds. Always verify part number compatibility before ordering.
What's Included
- Cummins 3908032 OEM Engine Crankshaft
- Factory Installed Crankshaft Gear
Specifications
- Manufacturer: Cummins
- Part Number: 3908032
- Product Type: Engine Crankshaft
- Gear Included: Yes
- Engine Platform: Cummins B-Series
- Engine Displacement: 5.9L
- Engine Compatibility: 12-Valve and 24-Valve Cummins
- Fuel Type: Diesel
- Construction: OEM Cummins Forged Crankshaft
- Application: Engine Rebuild and Replacement
- Fitment Years: 1989-2002
- Condition: New Genuine Cummins OEM Component
Cross Reference Numbers
3908032, Cummins 3908032, 5.9L Cummins Crankshaft, Dodge Ram Cummins Crankshaft, B-Series Cummins Crankshaft
FAQ
Is the Cummins 3908032 a genuine OEM crankshaft?
Yes. The 3908032 is a genuine Cummins OEM crankshaft manufactured to original factory specifications for 5.9L Cummins diesel engines.
Does this crankshaft include the timing gear?
Yes. This crankshaft is supplied with the factory-installed crankshaft gear for proper timing component alignment and operation.
Will this fit both 12-valve and 24-valve Cummins engines?
Yes. The Cummins 3908032 is commonly used in both 5.9L 12-valve and 24-valve B-Series applications from 1989 through 2002.
Can this be used in a performance engine build?
Yes. Many engine builders use genuine Cummins crankshafts as the foundation for stock and performance-oriented diesel engine builds due to their strength and reliability.
Should bearings be replaced during crankshaft installation?
Yes. New main bearings, rod bearings, seals, and proper machine shop inspection are strongly recommended during any crankshaft replacement or engine rebuild.
Why choose an OEM Cummins crankshaft?
OEM Cummins crankshafts provide factory-engineered durability, precise machining, and proven reliability for long engine life in demanding diesel applications.
