HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition IP23 Diesel Fuel Injector Pump
Part #: IP23

Standard Ignition IP23 Diesel Fuel Injector Pump

8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500
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Overview of Standard Ignition Diesel Fuel Injector Pump IP23

The Standard Ignition Diesel Fuel Injector Pump IP23 is engineered for reliable fuel delivery in select Chevrolet and GMC diesel engines. Designed specifically for vehicles equipped with the Lly engine code, this fuel injection pump ensures consistent performance and compatibility with heavy-duty models.

  • Connector Gender: Female for secure electrical connections
  • Engine Compatibility: Lly engine code with VIN code 2
  • Includes fuel pressure regulator for optimized fuel flow
  • Comes with gaskets to ensure proper sealing
  • Features 2 ports and 2 blade-type male terminals
  • Hardware not included
  • Product appearance may vary but maintains fit and function

Detailed Product Description

The Standard Ignition IP23 diesel fuel injector pump is designed to meet the specific fuel delivery requirements of Chevrolet and GMC heavy-duty trucks, including the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models. This pump is compatible with engines identified by the Lly engine code and VIN code 2, ensuring precise fitment and operation. The unit includes a built-in fuel pressure regulator to maintain consistent fuel pressure, which is critical for efficient combustion and engine performance.

Equipped with a female connector and two blade-type male terminals, the pump facilitates secure electrical connections. The inclusion of gaskets helps prevent leaks and maintain system integrity. While hardware is not included, the pump is designed for straightforward installation with existing mounting components. Note that the product may differ in appearance or finish but will maintain proper fit and function.

Common Applications and Issues Addressed

  • Restores proper fuel injection timing and pressure in Lly engine-equipped Chevrolet and GMC trucks
  • Resolves fuel delivery inconsistencies causing rough idling or poor acceleration
  • Addresses fuel pressure regulator failures impacting engine performance
  • Replaces worn or damaged fuel injection pumps to prevent engine stalling
  • Improves fuel efficiency and reduces emissions by ensuring accurate fuel metering

Installation Notes and Tips

  • Verify engine code Lly and VIN code 2 compatibility before installation
  • Use included gaskets to ensure a proper seal and prevent leaks
  • Inspect electrical connectors for corrosion or damage prior to installation
  • Ensure fuel lines are properly connected to the two ports on the pump
  • Follow manufacturer torque specifications for mounting hardware (not included)

Quality Assurance and Warranty

Standard Ignition products are manufactured to meet or exceed OEM specifications for fit, form, and function. The IP23 diesel fuel injector pump undergoes rigorous quality control to ensure reliable operation in demanding diesel engine applications. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.

BrandStandard Ignition
Part NumberIP23
Connector GenderFemale
Engine ID CodeLLY
Engine Vin Code2
FunctionsFuel Injection Pump
Gaskets IncludedYes
Hardware IncludedNo
NotesIncludes Fuel Pressure Regulator
Notes 2Product May Differ in Appearance and Finish, but Fit and Function Remain the Same
Terminal GenderMale
Terminal TypeBlade

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005ChevroletSilverado 2500 HD6.6LV8N/ARemanufactured Diesel Fuel Injector Pump
2005ChevroletSilverado 35006.6LV8N/ARemanufactured Diesel Fuel Injector Pump
2005GMCSierra 2500 HD6.6LV8N/ARemanufactured Diesel Fuel Injector Pump
2005GMCSierra 35006.6LV8N/ARemanufactured Diesel Fuel Injector Pump
2004ChevroletSilverado 2500 HD6.6LV8N/ARemanufactured Diesel Fuel Injector Pump
2004ChevroletSilverado 35006.6LV8N/ARemanufactured Diesel Fuel Injector Pump
2004GMCSierra 2500 HD6.6LV8N/ARemanufactured Diesel Fuel Injector Pump
2004GMCSierra 35006.6LV8N/ARemanufactured Diesel Fuel Injector Pump

* 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:

04450200302H-10235526502-55250205521739-104800-1752297303762DL2245DT660006REX631051HPP7308IP141R

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