Product Description
The CUMMINS 3977913 OEM ENGINE OIL COOLER GASKET SET is designed for 2003–2023 Ram trucks equipped with 5.9L and 6.7L Cummins diesel engines. This genuine Cummins gasket set provides the seals required to properly service the engine oil cooler assembly and helps prevent oil and coolant leaks while maintaining factory sealing performance.
Use this gasket set when replacing the engine oil cooler, repairing oil or coolant leaks, or performing engine service that requires removal of the oil cooler assembly. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM engine oil cooler gasket set
- Designed for 5.9L and 6.7L Cummins diesel applications
- Helps restore proper oil cooler sealing performance
- Direct-fit replacement sealing components
- Helps prevent oil and coolant leakage
- Ideal for maintenance, repair, or engine rebuild projects
FITMENT
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins
- 2007.5–2023 Ram 2500/3500 6.7L Cummins
- Select Cummins industrial and commercial applications using the same oil cooler assembly
WHAT'S INCLUDED
- 1 Cummins 3977913 OEM Engine Oil Cooler Gasket Set
- Oil cooler sealing components supplied by Cummins for the application
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3977913
- Cummins Engine Oil Cooler Assemblies
- Cummins Oil Filter Components
- Cummins Cooling System Service Parts
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3977913
- Part Type: Engine Oil Cooler Gasket Set
- Engine Compatibility: 5.9L Cummins, 6.7L Cummins
- Fitment Years: 2003–2023
- Vehicle Application: Dodge Ram / Ram 2500 and 3500
- Condition: New OEM Cummins
- Installation Type: Direct Replacement
- System Application: Engine Lubrication and Cooling System
FAQ
Will this gasket set fit my truck?
This gasket set fits many 2003–2023 Ram 2500 and 3500 trucks equipped with 5.9L or 6.7L Cummins engines. Always verify fitment using your engine serial number before ordering.
Is this a genuine Cummins gasket set?
Yes. Cummins 3977913 is a genuine OEM Cummins engine oil cooler gasket set designed to factory specifications.
When should this gasket set be replaced?
Replacement is recommended whenever the oil cooler assembly is removed, serviced, or replaced, and whenever oil or coolant leaks are present around the oil cooler.
What symptoms can indicate a leaking oil cooler gasket?
Common symptoms include external oil leaks, coolant leaks, contamination around the oil cooler housing, or evidence of deteriorated sealing surfaces during service.
What is included in this kit?
This kit includes the oil cooler sealing components supplied by Cummins for the applicable oil cooler assembly.
Do I need any related parts?
Inspect the oil cooler assembly, oil filter housing, coolant hoses, mounting hardware, and related seals during installation and replace worn components as necessary.
