23334618 | Genuine GM® Diesel Exhaust Fluid (DEF) Supply Pump Module for Sierra and Silverado

SKU: 23334618 MPN: 23334618

Keep your SCR system humming with the Genuine GM DEF Supply Pump Module. Part number: 23334618. Condition: new. Perfect fit for Silverado & Sierra 2500–3500 vehicles running 6.0L V8 CNG and 6.6L Diesel engines.

$545.00
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: 23334618

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Product Description

Product Name Diesel Exhaust Fluid (DEF) Supply Pump Module Product Name Diesel Exhaust Fluid (DEF) Supply Pump Module
Condition New Condition New
Brand GM® Brand GM®
Part Number 23334618 Part Number 23334618
Vehicle Compatibility
GMC Sierra 2500 HD (2017-2019) GMC Sierra 2500 HD (2017-2019)
GMC Sierra 3500 HD (2017-2019) GMC Sierra 3500 HD (2017-2019)
Chevrolet Silverado 2500 HD (2017-2019) Chevrolet Silverado 2500 HD (2017-2019)
Chevrolet Silverado 3500 HD (2017-2019) Chevrolet Silverado 3500 HD (2017-2019)
Engine Compatibility
Engine 6.0L V8 CNG/Flex/Gas Engine 6.0L V8 CNG/Flex/Gas
Engine 6.6L V8 Diesel Engine 6.6L V8 Diesel
Body & Trim
Body & Trim High Country, LT, LTZ, WT Body & Trim High Country, LT, LTZ, WT
Body & Trim Base, Denali, SLE, SLT Body & Trim Base, Denali, SLE, SLT

Useful Information

Description and Purpose:

This Genuine GM Diesel Exhaust Fluid (DEF) Supply Pump Module, listed under Part number: 23334618, is supplied new. It delivers precise DEF flow to the SCR system, ensuring proper urea injection while preventing clogs or interruptions. Designed for 2017–2019 Chevrolet Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD vehicles, it supports consistent emissions control and optimal engine performance.

Why Replacement is Important:

A weakened or clogged pump can disrupt DEF delivery, potentially triggering engine warnings or limiting power output.

Impact on Vehicle Performance:

Restoring reliable DEF flow helps the engine maintain full power, keeps emissions systems functioning correctly, and supports smooth operation under demanding conditions.

Manufacturer Information: 

General Motors® builds parts designed to support consistent engine and system performance, reinforcing a reputation for trusted automotive durability.

Tags & Category: DEF Pump Module, Diesel Exhaust Fluid System, Emissions Control Components, GM Truck Parts, Diesel Exhaust Fluid Supply Pump, DEF Pump Module GM, DEF Pump Silverado, DEF Pump Sierra, 6.0L CNG, 6.6L Diesel, HD Truck Emissions, DEF System Pump, GM Emissions Component, Sierra 2500, Sierra 3500, Silverado 2500, Silverado 3500

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.

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  • 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: 23334618