Diagram showcasing the Bosch Denoxtronic 2.2 system for transit and heavy-duty fleet dosing solutions.

Transit and Heavy-Duty Dosing: Covering the Most Common Fleets with the BOSCH Denoxtronic 2.2

The Denoxtronic 2.2 system is a foundational solution developed for heavy- and medium-duty vehicles, transit buses, independent coach, and even off-highway applications to meet strict EPA emissions standards.

Bosch is a leader, and this system is robust, dependable, and trusted by the top names in the industry. To understand exactly how this system controls and doses the DEF, review our article, Dependable Dosing and Superior Supply: Bosch Keeps It Flowing with Denoxtronic 2.2 System for Heavy-Duty and Off-Highway Vehicle Emissions Control.

Diagram illustrating BOSCH Denoxtronic 2.2 system for dosing in heavy-duty and transit fleets, highlighting key components and connections.

The Lineup: Bosch Denoxtronic 2.2 in Heavy-Duty Applications

Since its launch in 2009, the Denoxtronic 2.2 has become the leading OEM emissions solution. The technology is designed to be flexible, supporting both 12V and 24V applications. This means you’ll find Denoxtronic 2.2 dosing and supply modules across a huge variety of transit, motorcoach, and heavy-duty equipment.

Here are just a few of the top manufacturers whose engines and applications rely on Denoxtronic 2.2 components to meet emissions targets:

  • Cummins: Widely used across ISX, ISB, ISC, and ISL engines
  • AGCO
  • CAT / Perkins
  • CNH
  • John Deere
  • Hino
  • Isuzu
  • Mack / Volvo
  • DAF
  • Mercedes-Benz (Heavy-Duty applications)
  • IVECO

This partial list shows how one part can address multiple engine applications.

Remember, before you service any of these systems, remember the importance of the filtration unit, which we detail in The Small Filter That Stops Big Problems: Why Your Bosch DEF Filter is a Must-Change.

Escaping the parts trap starts with access. KIRKS is your Partner for Parts, connecting you to the OEM and Approved Equal™ components your fleet needs, simplifying your single purchase order for multiple brands. If it rolls, drives, or works, we’ve got the dosing system to keep it compliant and on the road.

Talk with a KIRKS Product Specialist or request a quote today!

Request a Quote