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How-to Videos
At DPFDiscounter.com, we not only provide top-tier parts for your semi-truck but also equip you with the knowledge to maintain and optimize your rig’s performance. Our selection of quality parts ensures you get the best value, while our extensive library of educational videos guides you through proper maintenance and care. Whether you’re navigating your truck’s complex systems or looking for ways to extend its lifespan, DPFDiscounter.com is here to help. From expert tutorials to hands-on advice, we make it easy for you to learn how to maintain your rig and keep it road-ready.
Cummins Engine
How to Remove Cummins X15 DPF and DOC
Step by Step Tutorial
How to Install Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC) for Cummins X15
Cummins X15
This Cummins ISX15 has a major engine head issue - Leaking Coolant
Cummins ISX15
How to remove Cummins ISX15 Front Gear Housing
Step by Step Tutorial
How to install engine rear main seal on Semi Trucks
Rear Main Seal
PDI Intake Manifold for Cummins - First Impression
PDI Intake Manifold
How to Replace NOx Sensor on Cummins X15 - Step by Step Tutorial
NOx Sensor
Detroit Engine
How to properly install DPF on Freightliner Detroit One Box
Step by Step Tutorial
Is Your Freightliner Cascadia Leaking Oil? It Might Be More Serious Than You Think!
Freightliner Cascadia
Unboxing Roadwarrior EGR Cooler for Freightliner DD15
EGR Cooler
Tail Light Dim and Always On (even after truck shuts off), Here is the fix
Freightliner Cascadia
How to qualify a Freightliner Detroit One Box for cleaning?
Detroit One Box
EGR cooler leaks from this Freightliner Cascadia, how to tell your EGR cooler is bad
EGR Cooler
Replacing DD15 Injector, Injector Cup And Pass-through Line To Fix Coolant In Fuel Issues
Injector
Removing Freightliner One Box And DPFs - A Step-by-step Guide
Freightliner One Box
Installing Freightliner One Box and DPFs - A Step-By-Step Guide
Freightliner One Box
General Repair
Get Your Diesel Engine, EGR Valve, EGR Cooler, Turbo and Exhaust Cleaned
Diesel Force Cleaning
Semi Engine Running A Little Hot, Radiator Fan Stays Running - Check Out the Thermostat
Thermostat
Why Pressure Washing Your DPF is a Costly Mistake: A Technician's Insight
DPF
How to Tell Oil Pressure Sensor is Bad on Semi Trucks
Oil Pressure
How does DOC (Diesel Oxidation Catalyst) face plugging affect the aftertreatment system
DOC
Volvo Engine
Diagnose and Repair Volvo Truck aftertreatment (DPF, DOC & SCR) Low Conversion Efficiency (P20EE00)
Volvo Truck
VOLVO/MACK New SCR - P20EE00 Low Nox Conversion Efficiency Fault Code
Volvo/Mack
Volvo DEF Injector/Doser Coolant Lines Failure - Check Yours Now!
Coolant Line
Electric APU
Designing An Electric Apu For Your Semi Truck
Polar Fox APU
The Best Electric APU for Day Cab Trucks and Box Trucks
Idle Free Solution
Best Electric APU for Semi Trucks - 24V System
Polar Fox APU
NEW All-Electric APU with Lithium Batteries Installation
Polar Fox APU
The Electric Apu For Semi Trucks
Polar Fox APU
This smart STARTING LITHIUM battery interests me
Skana Power
Unboxing an all-in-one APU(VELIT 2000U) for trucks
Velit A/C Unit
Super Light Weight All Electric APU with Lithium Batteries
Polar Fox APU
How to Finance an Electric APU - No Down Payment, Low Monthly Payment, and Positive Cash Flow
APU Financing
Product Review
Unboxing Roadwarrior DPF (Diesel Particulate Filter) and My Impression
Roadwarrior DPF
Roadwarrior EGR Cooler for Freightliner Detroit DD15 - First Impression
Roadwarrior EGR Cooler
Introduce Lithium Batteries for Commercial Truck Electric APU
Lithium Battery
ZEP Bulk Brake Cleaner Despenser Unbox, Installation & Review
Zep Brake Cleaner
We just bought DPF, SCR, DOC and One Box cleaning equipment
DPF Cleaning
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