DPF Parts Direct Blog
New product features, latest in technology, solutions and updates.
PACCAR vs Cummins
PACCAR and Cummins engines aren't as separate as their badges suggest — several "PACCAR" engines are actually Cummins-built. See the full spec comparison and learn how to tell them apart before you order parts.
Weld Bungs
The DPF (Diesel Particulate Filter) and DOC (Diesel Oxidation Catalyst) are some of the most expensive parts of your emissions system, so when one of your sensors gets stuck in its housing or breaks off, replacing the entire unit is a big expense.
EGT Sensors
The Exhaust Gas Temperature (EGT) sensor is one of the most important gauges on a modern diesel engine. Learn all about in this article.
Nox Sensor
When a nitrogen oxide sensor fails on a truck with a diesel engine, bad things start to happen. The motor may begin to run rough and fuel consumption can drastically increase. Next, the motor may go into derate, or “limp mode,” and finally...
What You Need to Know About Aftertreatment Maintenance
Fleets of commercial trucks and owner-operators have been struggling to maintain and repair aftertreatment systems for over 15-years. It has been a source of frustration and a financial burden...
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