Product Description
The CUMMINS 3934047 OEM PISTON WRIST PIN is designed for 2004.5–2007 5.9L ISB Cummins diesel engines. This genuine Cummins wrist pin connects the piston to the connecting rod, allowing smooth piston movement while maintaining proper alignment and durability under demanding operating conditions.
Use this part when rebuilding a 5.9L Cummins engine, replacing damaged piston components, or performing major engine repair work. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM piston wrist pin
- Designed for 2004.5–2007 5.9L ISB Cummins engines
- Provides proper piston-to-connecting rod connection
- Manufactured to Cummins OE specifications
- Ideal for engine rebuild and overhaul applications
- Direct-fit replacement component
FITMENT
- 2004.5–2007 Dodge Ram 2500 5.9L Cummins
- 2004.5–2007 Dodge Ram 3500 5.9L Cummins
- Select Cummins ISB 5.9L industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 3934047 OEM Piston Wrist Pin
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3934047
- Piston assemblies
- Connecting rods and piston hardware
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3934047
- Part Type: Piston Wrist Pin
- Engine Compatibility: 5.9L ISB Cummins
- Fitment Years: 2004.5–2007
- Vehicle Application: Dodge Ram 2500 and 3500
- Condition: New
- Quantity: Sold Individually
FAQ
Will this part fit my truck?
This part is designed for 2004.5–2007 5.9L ISB Cummins applications. Always verify fitment using your engine serial number before ordering.
Is this a direct replacement?
Yes. Cummins 3934047 is a direct-fit OEM replacement piston wrist pin for the listed applications.
What is included?
This listing includes one Cummins 3934047 OEM piston wrist pin.
What does a piston wrist pin do?
The wrist pin connects the piston to the connecting rod, allowing the piston to pivot smoothly while transferring combustion forces to the crankshaft assembly.
Should wrist pins be replaced during an engine rebuild?
Many engine builders inspect and replace wrist pins during major rebuilds to help maintain proper clearances, reliability, and long-term engine performance.
Do I need any related parts?
Inspect pistons, connecting rods, pin bushings, rings, bearings, and other engine components during installation and replace worn parts as necessary.
