Part #: EX631103

Delphi EX631103 Fuel Injector

36 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ram, 2500 and 3500
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Reliable Diesel Fuel Injector for Ram 2500 and 3500

The Delphi EX631103 fuel injector is designed specifically for diesel engines in Ram 2500 and 3500 models. This remanufactured direct injection fuel injector ensures precise fuel delivery and maintains OEM standards for performance and durability.

  • Compatible with Ram 2500 and 3500 diesel engines
  • Direct injection fuel system type for efficient combustion
  • Steel body material for enhanced durability
  • Includes one O-ring and a copper washer gasket for proper sealing
  • Features a ring terminal type with two terminals (male connector, female terminal)
  • Attachment method uses clamp with bolt for secure mounting
  • Remanufactured to OEM standard quality

Detailed Product Description

The Delphi EX631103 fuel injector is engineered for light duty diesel applications, specifically tailored for Ram 2500 and 3500 trucks. Constructed with a robust steel body, this injector supports direct fuel injection systems, providing accurate fuel atomization and improved engine efficiency. The injector features a ring terminal type with two terminals, including a male connector and female terminal, ensuring reliable electrical connectivity. It comes with one O-ring and a copper washer gasket to maintain a tight seal and prevent leaks. The clamp with bolt attachment method secures the injector firmly in place without the need for additional mounting hardware. As a remanufactured unit, it meets OEM standards, offering a cost-effective solution without compromising quality.

Common Applications and Issues Addressed

  • Restores proper fuel delivery in Ram 2500 and 3500 diesel engines
  • Resolves rough idling and engine misfires caused by faulty injectors
  • Improves fuel efficiency and reduces emissions in direct injection systems
  • Eliminates fuel leaks with included gasket and O-ring
  • Addresses poor engine performance related to injector wear or damage

Installation Notes and Tips

When installing the Delphi EX631103 fuel injector, ensure the injector ports and mounting surfaces are clean and free of debris. Use the included copper washer gasket and O-ring to achieve a proper seal. The clamp with bolt attachment method requires careful tightening to avoid over-torquing, which could damage the injector or mounting components. Verify electrical connections match the male connector and female terminal configuration for optimal performance. Professional installation is recommended to maintain system integrity and safety.

Quality Assurance and Warranty

This Delphi fuel injector is remanufactured to meet OEM standards, ensuring reliable performance and durability. Each unit undergoes rigorous testing to verify functionality and sealing integrity. While specific warranty details are not provided, Delphi products typically come with manufacturer-backed quality assurance to support long-term use in Ram 2500 and 3500 diesel vehicles.

BrandDelphi
Part NumberEX631103
Fuel TypeDiesel
Terminal TypeRing
Mounting Hardware IncludedNo
Gasket Or Seal IncludedYes
Terminal Quantity2
Connector GenderMale
Terminal GenderFemale
O-Ring Quantity1
Attachment MethodClamp w/bolt
Body MaterialSteel
Retainer Clips IncludedNo
Fuel Injection TypeDirect injection
Item GradeOem standard
New or Reman'dReman'd
Package ContentsFuel injector, copper washer, instruction sheet
System TypeLight duty injector

This part fits 36 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2018Ram2500Standard Cab PickupN/A
2018Ram2500Extended Crew Cab PickupN/A
2018Ram2500Crew Cab PickupN/A
2018Ram3500Standard Cab PickupN/A
2018Ram3500Extended Crew Cab PickupN/A
2018Ram3500Crew Cab PickupN/A
2017Ram2500Standard Cab PickupN/A
2017Ram2500Extended Crew Cab PickupN/A
2017Ram2500Crew Cab PickupN/A
2017Ram3500Standard Cab PickupN/A
2017Ram3500Extended Crew Cab PickupN/A
2017Ram3500Crew Cab PickupN/A
2016Ram2500Standard Cab PickupN/A
2016Ram2500Extended Crew Cab PickupN/A
2016Ram2500Crew Cab PickupN/A
2016Ram3500Standard Cab PickupN/A
2016Ram3500Extended Crew Cab PickupN/A
2016Ram3500Crew Cab PickupN/A
2015Ram2500Standard Cab PickupN/A
2015Ram2500Extended Crew Cab PickupN/A
2015Ram2500Crew Cab PickupN/A
2015Ram3500Standard Cab PickupN/A
2015Ram3500Extended Crew Cab PickupN/A
2015Ram3500Crew Cab PickupN/A
2014Ram2500Standard Cab PickupN/A
2014Ram2500Extended Crew Cab PickupN/A
2014Ram2500Crew Cab PickupN/A
2014Ram3500Standard Cab PickupN/A
2014Ram3500Extended Crew Cab PickupN/A
2014Ram3500Crew Cab PickupN/A
2013Ram2500Standard Cab PickupN/A
2013Ram2500Extended Crew Cab PickupN/A
2013Ram2500Crew Cab PickupN/A
2013Ram3500Standard Cab PickupN/A
2013Ram3500Extended Crew Cab PickupN/A
2013Ram3500Crew Cab PickupN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

044512034209864356216821 0105AA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.