Product Description
Cummins 3802234 OEM Piston Ring Set (.040 Over, 1.00MM) – Ram 5.9L (2003–2007)
The Cummins 3802234 OEM Piston Ring Set (.040 Over, 1.00MM) is a genuine Cummins replacement piston ring set engineered for rebuilding 2003–2007 Ram 5.9L Cummins diesel engines. Manufactured to Cummins OEM specifications, this oversized ring set is designed for engines that have been machined .040 inch over standard bore size and require precise ring sealing, compression retention, and oil control.
Whether you're performing a complete engine overhaul, restoring cylinder sealing after machining, or building a performance-oriented 5.9L Cummins, the Cummins 3802234 piston ring set delivers the durability, fitment accuracy, and reliability expected from genuine OEM engine components. Designed to maintain proper compression and minimize oil consumption, these rings help ensure long engine life and dependable performance.
Features
- Genuine Cummins OEM piston ring set
- Designed for .040 inch oversized bores
- 1.00mm ring package configuration
- Restores proper cylinder sealing and compression
- Helps reduce oil consumption and blow-by
- Manufactured to Cummins factory specifications
- Ideal for engine rebuilds and overhauls
- Excellent durability and wear resistance
- Precision-machined for proper ring seating
- Designed specifically for 5.9L Cummins diesel applications
Fitment
- 2003 Ram 2500 5.9L Cummins
- 2003 Ram 3500 5.9L Cummins
- 2004 Ram 2500 5.9L Cummins
- 2004 Ram 3500 5.9L Cummins
- 2005 Ram 2500 5.9L Cummins
- 2005 Ram 3500 5.9L Cummins
- 2006 Ram 2500 5.9L Cummins
- 2006 Ram 3500 5.9L Cummins
- 2007 Ram 2500 5.9L Cummins
- 2007 Ram 3500 5.9L Cummins
- 5.9L ISB Cummins engines requiring .040 over piston rings
Note: This piston ring set is intended for engines that have been bored .040 inch over stock dimensions. Verify piston size, bore diameter, and ring groove specifications before ordering.
What's Included
- Cummins 3802234 OEM Piston Ring Set
- Compression Rings
- Second Rings
- Oil Control Rings
- Factory Cummins Packaging
Specifications
- Manufacturer: Cummins
- Part Number: 3802234
- Product Type: Piston Ring Set
- Engine Platform: Cummins 5.9L ISB
- Oversize: .040 Inch Over
- Ring Width: 1.00mm
- Material: OEM Cummins Specification Materials
- Application: Engine Rebuild and Overhaul
- Compression Seal: OEM Specification
- Oil Control: OEM Specification
- Fitment: 2003–2007 Ram 5.9L Cummins
- Condition: New
Cross Reference Numbers
3802234, Cummins 3802234, 3802234RX, 3802234NX, 5.9 Cummins Piston Ring Set, 5.9L ISB Ring Set, .040 Over Cummins Rings, 1.00MM Cummins Ring Set
FAQ
What does .040 over mean?
.040 over indicates the engine block cylinders have been machined .040 inch larger than the original factory bore size. This ring set is designed specifically for use with matching .040 over pistons and cylinders.
Will these rings fit a standard bore 5.9L Cummins?
No. The Cummins 3802234 ring set is intended only for engines bored .040 inch over stock dimensions.
Is this a genuine Cummins part?
Yes. The 3802234 is a genuine Cummins OEM piston ring set manufactured to Cummins specifications for proper fit, sealing, and durability.
What years does this fit?
This ring set is commonly used in 2003–2007 Ram 2500 and Ram 3500 trucks equipped with the 5.9L Cummins ISB diesel engine.
Why use OEM Cummins piston rings?
OEM Cummins piston rings provide proper compression sealing, oil control, durability, and long-term reliability that meets factory engine rebuild standards.
Should ring end gap be checked during installation?
Yes. Ring end gap should always be measured and verified according to Cummins service specifications during engine assembly.