12678993 | Remanufactured L5P/L5D Common Rail Pump

Injection Pumps12678993 | Remanufactured L5P/L5D Common Rail Pump

12678993 | Remanufactured L5P/L5D Common Rail Pump

SKU: AP54850

Part #:
Alliant Power
L5D Duramax, L5P Duramax
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Restore performance to your 2017-2020 L5P or L5D Duramax diesel engine with the Alliant Power AP54850 diesel fuel injection pump. Backed by decades of experience of development and manufacturing experience, Alliant Power fuel injection pumps are built to exceed the OE specifications.

This product includes the injection pump only. For the complete injection pump kit, see related products below.


Allliant Power Part# AP54850
24-Month Unlimited Mileage Warranty
ISO 9001:2015 Certified
Manufactured Again Certified


2017 and later GM 6.6L L5P Duramax 2500HD/3500HD Pickup Trucks
2019 and Later GM 6.6L L5D Duramax 4500HD/5500HD/6500HD Trucks
International 6.6L CV Trucks


Replaces OE GM Part#: 12678993, 6040608C91

Check out Alliant Power’s new product announcement HERE.

Warranty by product type. Below is a list of products and associated warranties:
Diesel Fuel Injection Pumps: 12 Months, Unlimited Miles/Hours
Turbochargers: 12 Months, Unlimited Miles/Hours
Diesel Fuel Injectors: 12 Months Unlimited Miles/Hours
Select Common Rail Injectors: 24 Months, Unlimited Miles/Hours
All Other Products: Warranted against defects of material/workmanship as shipped
**Note: Unless otherwise stated, no labor warranty included**

SKUGM 12678993
SKUInternational 6040608C91
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