Product Description
The CUMMINS 4988810 OEM #2 FUEL INJECTION LINE is designed for 2003–2007 5.9L ISB Cummins common rail diesel engines. This genuine Cummins fuel injection line delivers fuel from the high-pressure common rail to the number two injector while maintaining proper fuel system performance, durability, and OEM fitment.
Use this part when replacing a damaged, corroded, leaking, or contaminated injector line. Maintaining properly sealed high-pressure fuel lines is critical for common rail fuel system performance and reliability. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM fuel injection line
- Direct-fit replacement for the number two cylinder injector circuit
- Designed for common rail 5.9L Cummins applications
- Manufactured to OEM fuel system specifications
- Helps maintain proper fuel delivery and injection performance
- Ideal for repair, maintenance, or fuel system restoration
FITMENT
- 2003–2007 Dodge Ram 2500 5.9L Cummins Common Rail
- 2003–2007 Dodge Ram 3500 5.9L Cummins Common Rail
- 2003–2007 Cummins ISB 5.9L diesel applications using Cummins 4988810
WHAT'S INCLUDED
- 1 Cummins 4988810 OEM #2 Fuel Injection Line
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 4988810
- Common Rail Fuel Connector Tubes
- Fuel Rail Pressure Relief Components
- Cummins Fuel Injectors
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 4988810
- Part Type: Fuel Injection Line
- Cylinder Location: Number 2
- Fuel System Type: Common Rail
- Engine Compatibility: ISB 5.9L Cummins
- Fitment Years: 2003–2007
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New OEM Cummins
- Installation Type: Direct Replacement
FAQ
Will this fuel injection line fit my truck?
This fuel injection line fits many 2003–2007 5.9L common rail Cummins applications. Always verify fitment using your engine serial number and part number before ordering.
Is this a genuine Cummins part?
Yes. Cummins 4988810 is a genuine OEM fuel injection line manufactured to Cummins specifications.
What does the #2 fuel injection line do?
This line transfers high-pressure fuel from the common rail to the number two fuel injector.
When should a fuel injection line be replaced?
Replace the line if it becomes damaged, bent, corroded, cracked, leaking, or contaminated during fuel system service.
Can a leaking injection line cause performance issues?
Yes. High-pressure fuel leaks can lead to poor engine performance, fuel delivery problems, hard starts, and safety concerns.
Do I need any related parts?
Inspect the connector tube, injector, fuel rail connections, sealing surfaces, and adjacent fuel lines during installation and replace worn components as necessary.
