A0001409678 | Genuine Detroit Diesel® Diesel Exhaust Fluid (DEF) Pump for Freightliner

SKU: A0001409678 MPN: A0001409678

Keep your fleet running strong with the genuine Diesel Exhaust Fluid Pump by Detroit Diesel. Part Number: A0001409678. New component for DD13/DD15 engines in Freightliner Cascadia, Columbia, M2, and Western Star models.

$959.00
No Core Charge
3 in stock

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Contact us to check if overnight next-day delivery is available for your order - PN: A0001409678

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Product Description

Product Name: Diesel Exhaust Fluid Pump Product Name: Diesel Exhaust Fluid Pump
Condition: New Condition: New
Brand: Detroit Diesel® Brand: Detroit Diesel®
Part Number: A0001409678 Part Number: A0001409678
Cross Reference Part Number: DDEA0001409678, DDE A0001409678 Cross Reference Part Number: DDEA0001409678, DDE A0001409678
Type: DEF Pump Type: DEF Pump
Vehicle Compatibility:
Freightliner: Cascadia, Columbia, M2 106, 108SD Freightliner: Cascadia, Columbia, M2 106, 108SD
Western Star: 4900EX, 4900FA, 5700XE, 4700SB. Western Star: 4900EX, 4900FA, 5700XE, 4700SB.
Engine Compatibility:
Detroit Diesel DD13 / DD15 Detroit Diesel DD13 / DD15
Specifications:
Position: Front Inside Position: Front Inside
Lift Type: Automatic Lift Type: Automatic
Dimensions: 3.66″ × 5.84″ × 9.19″ Dimensions: 3.66″ × 5.84″ × 9.19″

Useful Information

Description and Purpose:

Genuine Diesel Exhaust (DEF) Fluid Pump. Brand: Detroit Diesel. Part number: A0001409678. Condition: new. This DEF pump ensures precise dosing in SCR systems for Freightliner and Western Star trucks. Built for front inside mounting, it maintains DEF flow to reduce NOx emissions in Detroit DD13 and DD15 engines. Cross Reference Part Number: DDEA0001409678, DDE A0001409678.

Why Replacement is Important:

A faulty DEF pump causes dosing errors, SCR malfunctions, and emission faults. Replacing it avoids power derates, costly downtime, and compliance penalties.

Impact on Vehicle Performance:

Consistent DEF delivery supports emission control, sustains fuel efficiency, and prevents performance drop under demanding commercial truck workloads.

Manufacturer Information:

Detroit Diesel® designs OEM components for heavy-duty engines in commercial vehicles. Recognized for reliability and precision, their parts deliver long-term performance and meet strict emission standards worldwide. 

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.

Customer Reviews

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C
Chris
Great price, fast shipping --- thanks a lot! Got exactly what I needed.

Great price, fast shipping --- thanks a lot! Got exactly what I needed.
https://partsfinderq.com/products/593-2338-genuine-caterpillar%C2%AE-head-of-def-level-sensor?_pos=1&_psq=593-2338&_ss=e&_v=1.0

  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: A0001409678