Die­sel Oxi­da­tion Cat­a­lysts (DOCs)

Industry standard catalysts for EPA 07-21 systems - for direct installation with included clamps & gaskets.

Docs DUS (1)
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Metallic cores

Low-thermal mass metallic cores brings your DOC to optimal temperature faster than ceramic alternatives, and brings improved mechanical durability.

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Everything included

Comes with all needed clamps & gaskets, built for durability, and backed by a 3-year warranty.

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Optimized catalysts

Constantly innovating & improving catalytic properties, for a perfect balance between performance & price.

Introducing DOCs for EPA 17-21 "Pancake" systems

13" and 10.5" models are now shipping

Dinex has brought further enhancements to an already excellent solution, with the introuduction of our Aftermarket DOC for the in-line EPA17-21 solutions popularly known as "Pancake" systems.

Place your order now!
Pancake DOC

Perfect fit - Full compatibility

The Cummins in-line system was revolutionary in terms of design and efficiency. With introduction of the Pancake layout, the complete AfterTreatement Solution (ATS) turned out 70% smaller and 40% lighter than comparable "Box"-solutions.

In addition, serviceability was maximized, with all modules individually clamped together. And now, with the latest introduction from Dinex, your service options just got even richer!

Pancake System Complete

Ready to upgrade?

The Dinex DOC (Diesel Oxidation Catalyst), for Cummins 'Pancake'-systems is more than direct replacement: It's an upgrade!

dig into some of the engineering optimizations our global team did while preparing for this product launch.

Better Pancakes. Built to Last.
Pancake System DOC

Transport Damages? Not with Dinex

Our new 10.5” and 13" Pancake DOCs for Cummins EPA17–21 systems are built to perform – and so is their packaging.

To prove it, our Warehouse Manager, Donnie Blackburn, and Health & Safety Supervisor, Tony Fountain, put it to the test… by dropping it from a 6-foot ladder.

🎥 Watch the drop test and see for yourself how we protect your investment – from Turbo to Tailpipe.

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Pancake DOCs for EPA17-21
Pancake DOCs for EPA17-21
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Bulletin: Better Pancakes
Bulletin: Better Pancakes
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Better Pancakes. Built to Last.
Better Pancakes. Built to Last.
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Trucks: EPA 10-21
Trucks: EPA 10-21
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School Bus EPA10-21
School Bus EPA10-21
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