A0001404778 | Genuine Detroit Diesel® Diesel Exhaust Fluid (DEF) Pump for Freightliner

Description and Purpose:

Genuine Diesel Exhaust Fluid Pump by Detroit Diesel. Part Number: A0001404778. Condition: New. Designed for front inside mounting, this pump works with Detroit DD13 and DD15 engines found in Freightliner and Western Star trucks. By delivering DEF with precision, it helps the SCR system keep emissions low and performance steady. Cross Reference Part Number: EA0001404778, DDE EA0001404778, RA0001404778, DDE RA0001404778.

Why Replacement is Important:

A faulty DEF pump disrupts dosing, causing SCR faults and power loss. Replacing it keeps the system compliant and avoids costly downtime.

Impact on Vehicle Performance:

Accurate DEF flow supports emissions control, maintains engine output, and prevents derates in heavy-duty driving.

Manufacturer Information:

Detroit Diesel® designs OEM engine and emissions parts for heavy-duty trucks, focusing on durability, precision, and regulatory compliance.

Tags & Category: DEF Pump, Diesel Exhaust Fluid (DEF), DEF Dosing, SCR System, Pump

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.