DPF Parts Direct Blog
New product features, latest in technology, solutions and updates.

Black Smoke from Exhaust: Troubleshooting Tips for Diesel Vehicles
If your truck is spitting out a thick, smelly smoke screen it indicates a big problem with the vehicle’s engine. In this article we’ll cover how to be a good neighbor and not smog out your fellow travelers. Promptly addressing this issue is important to prevent further damage to the vehicle.

How To Replace a DPF Weld Bung | DPF Parts Direct
What do you do if a DPF Weld Bung gets damaged during a sensor repair? In most cases, weld bungs are replaceable, saving you the high cost of replacing the whole filter. Learn how to replace a weld bung...
Top SCR Maintenance Tips for Heavy-Duty Trucks
In this article, we will discuss the top SCR maintenance tips for keeping your truck running smoothly & efficiently. The SCR (Selective Catalytic Reduction) reduces harmful emissions and improves diesel fuel efficiency. Learn how to maintain your SCR properly and save money in the long run.

DPF Weld Bung Identification: A How-to Guide
In this DPF Weld Bung guide, we provide 2 ways to determine the right weld bung for your repair. The quick way, or the in-depth way – you decide.
DPF Pressure Sensors
What is a DPF differential pressure sensor? What function does it perform inside the diesel emissions system? Why do they fail? Where should you buy your replacement DPF sensor should it need to be replaced?

Navigating Diesel Emissions Systems for OEM Cummins Engines
The diesel emissions systems of Cummins engines play an essential role in ensuring the performance, efficiency, and environmental compliance of these powerful machines. From Cummins ISX engines for more heavy-duty trucks, to Cummins ISB engines used in a wide range of medium to heavy-duty applications, regular maintenance of the diesel emissions systems is vital.
This comprehensive guide will walk you through the maze of sourcing replacement parts for OEM Cummins engines, aftermarket replacement options, and recycled parts.
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