Remanufactured Fuel Injector AP55128 for Cummins ISX15 is listed for the application and product type indicated in the supplier catalog. Confirm exact fitment using the vehicle, engine and manufacturer part number before ordering.

The remanufactured fuel injector (part number AP55128) is listed for the diesel fuel delivery system. The supplied catalog identifies Cummins ISX15 as an application reference; confirm compatibility for the specific engine, equipment and configuration.

Product Details

• Part: Fuel Injector
• Manufacturer / listed brand:
• Manufacturer or catalog part number: AP55128
• HDKits SKU: AP-APP41478
• System: Fuel System – REMAN FUEL INJECTOR, CUMMINS ISX15
• Condition: Remanufactured

Cross-reference numbers: 4327147, 4327147PX, 4327147RX, 4384365. These are lookup references and do not independently establish interchangeability.

Fitment and Ordering Guidance

It is intended for the fuel system. Match the exact pump or injector part number and engine application before installation. Match the manufacturer number, replacement number, physical configuration and vehicle or engine serial information. Product photos and generic category information should not be used as sole proof of fitment.

Why Order From HDKits?

HeavyDutyKits.com helps customers source diesel engine and heavy-duty replacement parts. Contact our parts team with your engine model, equipment details and existing part number for a fitment review before purchasing.

Cross-Reference Part Numbers

Supplier-listed cross-reference and alternate part numbers for identification:

• 4327147
• 4327147PX
• 4327147RX
• 4384365
• 4384365PX
• 5579421
• 5579421PX
• 6513589
• 6513589PX
• 6513589QX
• AP55128

Verify interchangeability and application before ordering; a reference listing does not guarantee fitment.