Product Description
The CUMMINS 3912977 OEM ELBOW HOSE COUPLING is designed for 1989–1998 5.9L Cummins diesel engines. This genuine Cummins cooling system component provides a secure connection between coolant hoses while maintaining proper coolant flow and factory fitment.
Use this part when repairing coolant leaks, replacing worn cooling system components, or performing engine maintenance. Always verify fitment by year, make, model, engine, and engine serial number before ordering.
FEATURES
- Genuine Cummins OEM elbow hose coupling
- Designed for 1989–1998 5.9L Cummins applications
- Provides secure coolant hose connection
- Helps maintain proper coolant flow through the cooling system
- Direct-fit replacement component
- Recommended during cooling system service and repair
FITMENT
- 1989–1993 Dodge Ram 2500/3500 5.9L Cummins
- 1994–1998 Dodge Ram 2500/3500 5.9L Cummins
- Select Cummins 5.9L industrial applications
WHAT'S INCLUDED
- 1 Cummins 3912977 OEM Elbow Hose Coupling
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3912977
- Coolant hoses and clamps
- Cooling system service components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3912977
- Part Type: Elbow Hose Coupling
- Engine Compatibility: 5.9L Cummins
- Fitment Years: 1989–1998
- Vehicle Application: Dodge Ram 2500 and 3500
- System: Engine Cooling System
- Condition: New
- Quantity: Sold Individually
FAQ
Will this part fit my truck?
This part fits the applications listed above. Always verify your year, make, model, engine, and engine serial number before ordering.
Is this a direct replacement?
Yes. Cummins 3912977 is designed as a direct-fit OEM replacement elbow hose coupling for the listed applications.
What is included?
This listing includes one Cummins 3912977 OEM elbow hose coupling.
What does this hose coupling do?
This coupling connects cooling system hoses and helps route coolant properly through the engine's cooling system.
When should this component be replaced?
Replace the coupling if it becomes cracked, damaged, corroded, or develops a coolant leak.
Do I need any related parts?
Inspect surrounding coolant hoses, hose clamps, thermostat components, and cooling system fittings during installation and replace worn parts as necessary.
