Product Description
CUMMINS 3915787 OEM THREADED PLUG FOR 1994-2002 5.9L CUMMINS OIL FILTER HOUSING
The genuine Cummins 3915787 OEM threaded plug is used in the oil filter housing assembly on select 1994-2002 5.9L Cummins B-Series engines.
This plug seals an internal lubrication or oil pressure relief passage and helps maintain proper oil pressure regulation and leak-free operation.
Using a genuine Cummins threaded plug ensures proper thread engagement, correct sealing, and long-term durability compared to generic aftermarket alternatives.
This component is commonly replaced during oil filter housing service, engine rebuilds, oil leak repairs, or restoration of damaged lubrication system hardware.
FEATURES
- Genuine OEM Cummins threaded plug
- Designed for oil filter housing applications
- Helps maintain proper oil pressure regulation
- Restores leak-free sealing performance
- OEM thread engagement and fitment
- Direct replacement design
- Designed for Cummins lubrication systems
FITMENT
- 1994 Dodge Ram 2500 5.9L 12-valve Cummins
- 1994 Dodge Ram 3500 5.9L 12-valve Cummins
- 1995 Dodge Ram 2500 5.9L 12-valve Cummins
- 1995 Dodge Ram 3500 5.9L 12-valve Cummins
- 1996 Dodge Ram 2500 5.9L 12-valve Cummins
- 1996 Dodge Ram 3500 5.9L 12-valve Cummins
- 1997 Dodge Ram 2500 5.9L 12-valve Cummins
- 1997 Dodge Ram 3500 5.9L 12-valve Cummins
- 1998 Dodge Ram 2500 5.9L 12-valve Cummins
- 1998 Dodge Ram 3500 5.9L 12-valve Cummins
- 1998.5 Dodge Ram 2500 5.9L 24-valve Cummins ISB
- 1998.5 Dodge Ram 3500 5.9L 24-valve Cummins ISB
- 1999 Dodge Ram 2500 5.9L 24-valve Cummins ISB
- 1999 Dodge Ram 3500 5.9L 24-valve Cummins ISB
- 2000 Dodge Ram 2500 5.9L 24-valve Cummins ISB
- 2000 Dodge Ram 3500 5.9L 24-valve Cummins ISB
- 2001 Dodge Ram 2500 5.9L 24-valve Cummins ISB
- 2001 Dodge Ram 3500 5.9L 24-valve Cummins ISB
- 2002 Dodge Ram 2500 5.9L 24-valve Cummins ISB
- 2002 Dodge Ram 3500 5.9L 24-valve Cummins ISB
Fitment Note: Verify by ESN for industrial and off-highway applications.
WHAT'S INCLUDED
- 1 Cummins 3915787 OEM threaded plug
RELATED CUMMINS PARTS
- Cummins oil filter housing components
- Cummins oil pressure relief hardware
- Cummins lubrication system seals and plugs
- Cummins timing cover and tappet hardware
COMMON USES
- Oil filter housing repair
- Oil leak repair
- Engine rebuilds
- Oil pressure system service
- Replacement of damaged or missing OEM hardware
SPECIFICATIONS
- Brand: Cummins Genuine Parts
- Part Number: 3915787
- Component Type: Threaded plug
- Application: Oil filter housing and oil pressure relief passage
- Engine Compatibility: 5.9L Cummins B-Series and ISB
- Fitment Years: 1994-2002
- Configuration: OEM threaded sealing plug
- Approximate Shipping Weight: 0.05 pound
- Approximate Package Dimensions: 1 inch x 1 inch x 1 inch
- Condition: New genuine Cummins OEM part
INSTALLATION NOTES
- Inspect threads before installation
- Follow Cummins service procedures for sealant use
- Verify proper torque specifications
- Inspect oil filter housing for cracks or thread damage
- Check for leaks after installation
FAQ
What does the Cummins 3915787 threaded plug do?
This plug seals an internal oil galley or oil pressure relief passage inside the oil filter housing assembly.
Is this a common source of oil leaks?
Yes. Damaged threads, worn sealing surfaces, or improper installation can cause oil leaks over time.
Does this fit both 12-valve and 24-valve 5.9L Cummins engines?
Yes. This plug fits many 1994-2002 5.9L 12-valve and 24-valve Cummins applications using the OEM oil filter housing design.
Should thread sealant be used during installation?
Some applications may require thread sealant. Always follow Cummins service manual procedures for your specific engine serial number.
Is this a genuine Cummins OEM component?
Yes. Cummins 3915787 is a genuine OEM threaded plug designed for factory lubrication system applications.
