Diesel Pro Mastery

Diesel Pro Mastery is built to help diesel technicians, shop owners, and installers share the real-world knowledge that keeps diesel trucks on the road. Every day, diesel professionals find better ways to diagnose problems, speed up repairs, improve reliability, and run more profitable shops. We want to share those ideas with the rest of the industry.
If we publish your tip as part of the Diesel Pro Mastery series, you’ll receive a $100 VISA gift card. The best submissions include practical, diesel-specific advice such as:
✔ Time-saving repair techniques
✔ Diagnostic tips that lead to faster, more accurate results
✔ Shop practices that improve productivity or reduce costs
✔ Installation tricks that prevent comebacks
✔ Tools, fixtures, or processes you’ve developed to make diesel work easier
Include one or two close-up photos that help illustrate your tip. Cell phone photos work great as long as they’re full resolution. The larger the image, the better.
Browse All Master Tips
How MAHLE’s A/C Machine Helps Shops Turn More Bays
In this video, we sit down with Jeremy from MAHLE to take a closer look at the ACX 2180 A/C recovery and service machine. We talk…
What’s Included in MAHLE’s Powerstroke Turbo Gasket Set?
In this video, we take a closer look at MAHLE turbo gasket set for Ford Power Stroke applications and walk through what is included…
Are Doc’s Diesel Brake Pads & Rotors Worth It?
In this video, we take a closer look at Doc’s Diesel brake pads and rotors and break down what makes them a solid option for…
Is It Time to Update Your Trans Cooler?
In this video, we take a closer look at @PPEpower transmission coolers and break down how they help manage transmission…
Is Your Factory Intercooler Costing You Power?
A worn factory intercooler can slowly leak boost without making the problem obvious. In this episode of Diesel Pro Mastery, Eric and…
Inside MAHLE’s New L5P Duramax Top-End Gasket Set
In this video, we sit down with MAHLE to open up their new L5P Duramax top-end gasket set and see what is actually included. We talk…
What Makes Doc’s Diesel Filters Different?
In this video, we take a closer look at the Doc’s Diesel filter lineup and break down what makes these filters a strong option…
Upgrade Your Ram 1500 with a PPE ZF8 Transmission Pan
In this video, we take a closer look at PPE’s ZF8 transmission pan upgrade for 2013-and-newer Ram 1500 trucks. Eric and Charles…
Got a Diesel Tech Tip? Win a $100 Gift Card!
Every shop has those little tricks that make a job faster, easier, or save someone from making the same mistake twice. That’s…








