Skip to content
Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.
Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.
Search
Image #1

2272104PEX Genuine Paccar DEF Doser Injector SCR Module

P/N: 2272104PEX Manufactured by: Paccar
$648.00 - $648.00
$648.00
$648.00 - $648.00
$648.00
1 in Stock
Condition: New
We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Not Sure Which Part Fits?Our support team is here to help.
+1 (828) 209-8010
Monday – Saturday | 8:00 AM – 8:00 PM (EST)
Fast 2–3 Day Shipping
30-Day Returns
In Stock & Ships Fast
Expert Support Available
2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 2272104PEX is a genuine Paccar DEF Doser Injector SCR designed for diesel exhaust fluid dosing system applications. This DEF doser injector operates within the SCR emissions system by spraying DEF into the exhaust stream to support NOx reduction during after-treatment operation. 

Product Features

The 2272104PEX DEF Doser Injector SCR is manufactured to Paccar factory specifications for DEF dosing within the SCR emissions system.

  • Delivers DEF into the exhaust stream for SCR after-treatment operation.
  • Supports NOx reduction by supplying diesel exhaust fluid to the emissions system.
  • Designed for SCR 2.2 DEF dosing system applications.
  • Includes a gasket for the doser injector installation interface.
  • Applies to Paccar MX13 platform truck applications listed in the supplied data.
  • Provides the DEF injection function required for factory exhaust emissions control.

Technical Specifications

Condition New
Part Number 2272104PEX
Brand Paccar
Part Type DEF Doser Injector SCR


Installation Notes

The 2272104PEX should be installed at the specified SCR dosing location using the supplied gasket and verified for proper sealing at the mounting surface. Inspect the DEF line connection and electrical interface before returning the vehicle to service.

Verify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.