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Delphi EX631103 Fuel Injector
| Brand | Delphi EX631103 |
|---|---|
| Fuel Type | Diesel |
| Terminal Type | Ring |
| Mounting Hardware Included | No |
| Gasket Or Seal Included | Yes |
| Terminal Quantity | 2 |
| Connector Gender | Male |
| Terminal Gender | Female |
| O-Ring Quantity | 1 |
| Attachment Method | Clamp w/bolt |
| Body Material | Steel |
| Retainer Clips Included | No |
| Fuel Injection Type | Direct injection |
| Item Grade | Oem standard |
| New or Reman'd | Reman'd |
| Package Contents | Fuel injector, copper washer, instruction sheet |
| System Type | Light duty injector |
| Fits | Ram · 36 vehicles |
OEM standard remanufactured. Built for direct injection diesel systems.
Steel body. Durable construction with a sealed design.
OE heritage. Backed by 100 years of OE experience.
Cross-references Bosch 0445120342, Bosch 0986435621 and 6821 0105AA for the same application. See all 3.
Delphi EX631103 Fuel Injector for Ram Diesel
The Delphi EX631103 is a remanufactured diesel fuel injector built to OEM standard for direct injection systems. It is engineered for 2013-2018 Ram 2500 and 2013-2018 Ram 3500 applications, with OE heritage and application knowledge reflected in the part design.
Key Features
- Fuel type: diesel
- Direct injection fuel injector for light-duty injector systems
- Remanufactured to OEM standard
- Steel body construction
- Gasket or seal included
- Terminal type: ring with 2 terminals
- Connector gender: male; terminal gender: female
- Attachment method: clamp w/bolt
- Package contents: fuel injector, copper washer, instruction sheet
Detailed Description
Delphi EX631103 is a diesel fuel injector for Ram heavy-duty pickup applications that use direct injection. It is built as an OEM-standard remanufactured component, drawing on Delphi’s long OE supply background for consistent fit and function in the fuel injection system. This injector is listed for 2013-2018 Ram 2500 and 2013-2018 Ram 3500 models, making it a direct replacement option for diesel fuel delivery service work on these trucks. This part cross-references Bosch (e.g., 0445120342, 0986435621) for the same application.
What It Is Used For
- Restoring proper diesel fuel atomization in the injection system
- Addressing hard starting caused by injector wear
- Correcting rough idle or uneven engine operation related to fuel delivery
- Resolving fuel metering issues that affect drivability
- Replacing a worn injector on Ram 2500 and Ram 3500 diesel applications
Installation Notes and Tips
- Fits 2013-2018 Ram 2500, N/A
- Fits 2013-2018 Ram 3500, N/A
- Confirm injector connector style, terminal layout, and mounting method before installation
- Replace the sealing components during service and follow the included instruction sheet
- Clean the injector bore and surrounding area before installing the new injector
- Verify fuel system condition and scan for related fault codes after installation
Quality Assurance
Delphi builds this injector with OE experience and aftermarket application knowledge carried into the remanufactured design. The EX631103 is an OEM-standard fuel injector intended for diesel direct injection service in Ram 2500 and Ram 3500 trucks.
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2018 | Ram | 2500 | Standard Cab Pickup | N/A | — |
| 2018 | Ram | 2500 | Extended Crew Cab Pickup | N/A | — |
| 2018 | Ram | 2500 | Crew Cab Pickup | N/A | — |
| 2018 | Ram | 3500 | Standard Cab Pickup | N/A | — |
| 2018 | Ram | 3500 | Extended Crew Cab Pickup | N/A | — |
| 2018 | Ram | 3500 | Crew Cab Pickup | N/A | — |
| 2017 | Ram | 2500 | Standard Cab Pickup | N/A | — |
| 2017 | Ram | 2500 | Extended Crew Cab Pickup | N/A | — |
| 2017 | Ram | 2500 | Crew Cab Pickup | N/A | — |
| 2017 | Ram | 3500 | Standard Cab Pickup | N/A | — |
| 2017 | Ram | 3500 | Extended Crew Cab Pickup | N/A | — |
| 2017 | Ram | 3500 | Crew Cab Pickup | N/A | — |
| 2016 | Ram | 2500 | Standard Cab Pickup | N/A | — |
| 2016 | Ram | 2500 | Extended Crew Cab Pickup | N/A | — |
| 2016 | Ram | 2500 | Crew Cab Pickup | N/A | — |
| 2016 | Ram | 3500 | Standard Cab Pickup | N/A | — |
| 2016 | Ram | 3500 | Extended Crew Cab Pickup | N/A | — |
| 2016 | Ram | 3500 | Crew Cab Pickup | N/A | — |
| 2015 | Ram | 2500 | Standard Cab Pickup | N/A | — |
| 2015 | Ram | 2500 | Extended Crew Cab Pickup | N/A | — |
| 2015 | Ram | 2500 | Crew Cab Pickup | N/A | — |
| 2015 | Ram | 3500 | Standard Cab Pickup | N/A | — |
| 2015 | Ram | 3500 | Extended Crew Cab Pickup | N/A | — |
| 2015 | Ram | 3500 | Crew Cab Pickup | N/A | — |
| 2014 | Ram | 2500 | Standard Cab Pickup | N/A | — |
| 2014 | Ram | 2500 | Extended Crew Cab Pickup | N/A | — |
| 2014 | Ram | 2500 | Crew Cab Pickup | N/A | — |
| 2014 | Ram | 3500 | Standard Cab Pickup | N/A | — |
| 2014 | Ram | 3500 | Extended Crew Cab Pickup | N/A | — |
| 2014 | Ram | 3500 | Crew Cab Pickup | N/A | — |
| 2013 | Ram | 2500 | Standard Cab Pickup | N/A | — |
| 2013 | Ram | 2500 | Extended Crew Cab Pickup | N/A | — |
| 2013 | Ram | 2500 | Crew Cab Pickup | N/A | — |
| 2013 | Ram | 3500 | Standard Cab Pickup | N/A | — |
| 2013 | Ram | 3500 | Extended Crew Cab Pickup | N/A | — |
| 2013 | Ram | 3500 | Crew Cab Pickup | N/A | — |
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