Welcome to Dinex

North America's Leading Supplier of Heavy-Duty Aftermarket Exhaust and Emission Solutions

Confidence Comes Standard

Parts boasted by one- and three-year warranties

The Widest Range of Parts

15,000 SKUs for all makes & models

Emission Experts

Technical training, troubleshooting, know how

Dinex Partner Portal

Effortless ordering with features built around your needs

Mechatronics

Full range of sensors and DEF systems

Logistics

95% availability and an extensive distribution network

The Dinex Newsstand

Keep up with product releases, service extensions and other relevant news for your advantage.

Aftermarket

Dinex Introduces 2-Year NOx Sensor Warranty

June 12, 2026

OEM

Dinex advanced catalyst technologies. Engineered for performance. Built for the future.

October 29, 2026

Aftermarket

Q3 2026 Product Release (North America)

October 23, 2026

Meet The Team Member Dinex China Bruce Website

People
Corporate

Great Production starts with great teamwork - Meet Bruce Li

October 16, 2026

Heavy-Duty Solutions

Our exhaust & emission systems are based on the latest technologies and produced to the highest standards, to reduce harmful pollutants from large diesel and natural gas engines.

Full Range EPA 10-21

North America's most extensive range of complete systems for all makes, all models - from EPA 10-21.

NOx Sensors

Generation 2 technology for maximum compatibility, improved accuracy and extended durability.

OneBoxes

More than just a replacement, the Dinex Onebox is an upgrade that offers optimized flow, advanced catalysts, and performance that meets or beats OE.

Exhaust Pipes

As an OEM supplier in Europe, we bring the same precision and quality to our aftermarket pipes in America, ensuring they meet the toughest demands with advanced manufacturing and corrosion protection.

Mechatronics

From sensors to pumps and injectors, we’ve got the complete solution to keep your DEF system operating smoothly—and your repair costs down.

Parts for Remanufacturing

We provide replacement substrates for OneBoxes, DPFs, DOCs, and SCRs—giving you the high-quality components needed for a reliable reman.

Key Figures

Employees globally: 1,800
Engineers & R&D: 140
CAGR for 15 years: +10%
Countries on 3 continents: 14
Production sites: 7
Distribution centers: 19
Technology centers: 7
Graduate recrutiments: +5%

Are you ready to dream BIG?

Dinex is a value-based and meaningful place to work with a wide range of career opportunities. Would you like to join us?

Check out our Career section

ESG Report 2025

33.2% lower Scope 1 & 2 emissions since 2021, 51% renewable electricity, 9,260 training hours, and 223 workplace improvements across our global operations.

2025 was a strong year, and we continue to drive progress towards more sustainable transport across the Aftermarket and OEM sectors.

Read the report now