Product Description
The CUMMINS 3802421 OEM PISTON RING SET (STANDARD) is designed for 1989–2002 5.9L Cummins 12-valve and 24-valve diesel engines. This genuine Cummins piston ring set is manufactured to OEM specifications to help restore proper compression, oil control, and engine performance during engine repair or overhaul work.
Use this standard-size ring set when rebuilding a 5.9L Cummins engine with standard bore pistons. Always verify fitment, piston size, and engine specifications before ordering.
FEATURES
- Genuine Cummins OEM piston ring set
- Standard-size ring package
- Designed for 1989–2002 5.9L Cummins engines
- Helps restore compression and oil control
- Manufactured to OEM Cummins specifications
- Ideal for engine rebuilds, repairs, and overhauls
FITMENT
- 1989–1993 Dodge Ram D250/D350 5.9L Cummins 12V
- 1994–1998 Dodge Ram 2500/3500 5.9L Cummins 12V
- 1998.5–2002 Dodge Ram 2500/3500 5.9L Cummins 24V
- Select Cummins 5.9L industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 3802421 OEM Standard Piston Ring Set
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3802421
- Standard bore piston assemblies
- Cylinder liner and overhaul components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3802421
- Part Type: Piston Ring Set
- Size: Standard
- Engine Compatibility: 5.9L Cummins 12V and 24V
- Fitment Years: 1989–2002
- Vehicle Application: Dodge Ram 2500 and 3500
- Condition: New
- Quantity: One Ring Set
FAQ
Will this part fit my truck?
This ring set fits the applications listed above. Always verify your engine model, piston size, and part number before ordering.
Is this a standard-size piston ring set?
Yes. Cummins 3802421 is a standard-size piston ring set intended for use with standard bore pistons.
What is included?
This listing includes one Cummins 3802421 OEM standard piston ring set.
Can these rings be used with oversized pistons?
No. This ring set is designed for standard bore applications. Oversized pistons require the corresponding oversized ring set.
When should piston rings be replaced?
Piston rings are commonly replaced during engine rebuilds, overhauls, or when addressing low compression, excessive oil consumption, or cylinder wear.
Do I need any related parts?
Inspect pistons, cylinder liners, bearings, gaskets, seals, and other overhaul components during engine service and replace worn parts as necessary.
