Product Description
Cummins 3802561 OEM Engine Piston Kit (Standard Bore) – 5.9L 12-Valve 6BT (1994–1998)
The Cummins 3802561 OEM Engine Piston Kit (Standard Bore) is the factory-correct replacement piston assembly for 1994–1998 5.9L 12-valve 6BT Cummins diesel engines. Designed and manufactured to genuine Cummins specifications, this piston kit delivers OE fitment, proper ring sealing, excellent thermal stability, and long-lasting durability for engine rebuilds, overhauls, and stock replacement applications.
Each Cummins 3802561 piston kit includes a matched piston, piston ring set, wrist pin, and retaining clips, providing everything needed for a single-cylinder repair or complete engine rebuild. Genuine Cummins metallurgy and piston design help maintain proper compression, reduce blow-by, and ensure dependable performance in Dodge Ram 2500 and 3500 trucks equipped with the legendary 12-valve 5.9L Cummins engine.
Features
- Genuine Cummins OEM piston kit
- Standard bore (STD) piston assembly
- Factory-correct replacement for 5.9L 12-valve 6BT engines
- Includes piston, piston rings, wrist pin, and retainers
- Designed for optimal compression and ring sealing
- OEM metallurgy for superior durability and thermal control
- Excellent choice for stock rebuilds and engine refreshes
- Direct-fit replacement for factory piston assemblies
- Helps reduce blow-by and oil consumption
- Built to Cummins OE specifications
Fitment
- 1994–1998 Dodge Ram 2500 5.9L Cummins 12-Valve
- 1994–1998 Dodge Ram 3500 5.9L Cummins 12-Valve
- 5.9L Cummins 6BT Engines
- P7100 Fuel System Equipped Engines
- Industrial and Agricultural 6BT Applications Using Standard Bore Pistons
Note: This is a standard bore piston kit. Always verify engine serial number (ESN), cylinder bore condition, and piston requirements before ordering. One piston kit services one cylinder. Six kits are required for a complete engine rebuild.
What's Included
- OEM Cummins Piston
- Piston Ring Set
- Wrist Pin
- Pin Retainers / Snap Rings
Specifications
- Manufacturer: Cummins
- Part Number: 3802561
- Product Type: OEM Engine Piston Kit
- Bore Size: Standard (STD)
- Engine Compatibility: 5.9L Cummins 6BT 12-Valve
- Model Years: 1994–1998
- Fuel System: P7100 Injection Pump Applications
- Included Components: Piston, Rings, Wrist Pin, Retainers
- OEM Replacement: Yes
- Application: Engine Rebuild and Repair
- Sold As: Individual Cylinder Kit
Cross Reference Numbers
3802561, 3802560, 3942562, 3926631, 3802421, 3920691
FAQ
Is the Cummins 3802561 a standard bore piston?
Yes. The Cummins 3802561 is a standard bore (STD) piston kit designed for properly sized factory cylinders. Always verify bore measurements before installation.
Does this kit include piston rings?
Yes. The kit includes the piston, piston rings, wrist pin, and retaining clips for a complete single-cylinder piston assembly.
How many kits are needed for a complete 5.9L rebuild?
The 5.9L Cummins 6BT engine uses six cylinders, so six piston kits are required for a complete engine rebuild.
Can these pistons be used in performance applications?
These genuine Cummins pistons are ideal for stock and mild performance builds. For extreme horsepower or competition applications, many builders choose specialized forged piston options.
Will this fit all 5.9L Cummins engines?
No. This piston kit is intended for 1994–1998 12-valve 6BT applications. Always verify fitment using your engine serial number before ordering.
Why choose genuine Cummins pistons over aftermarket options?
Genuine Cummins pistons are manufactured to factory specifications for proper fitment, durability, compression control, and long-term engine reliability.
