Heavy-Duty Parts
Better Than The Big Guys
JAK'S Diesel combines more than 18 years of parts and distribution experience with a focused commitment to the heavy-duty diesel industry. We help fleets, repair facilities, and owner-operators source the right parts faster — backed by responsive service, industry knowledge, and suppliers we trust.
Experience Built, Customer Focused
JAK'S Diesel was founded on a simple belief: buying heavy-duty diesel parts shouldn't be harder than fixing the truck.
After more than 18 years in the parts industry — including leadership roles within large organizations and hands-on experience in the diesel market — we saw the same frustrations repeated across the industry. Customers struggled with long wait times, limited product knowledge, poor communication, and suppliers who treated every order like a transaction instead of a solution. We knew there was a better way.
JAK'S Diesel was built to combine the buying power and industry relationships of a large distributor with the responsiveness and service of a local partner. We focus on helping owner-operators, fleets, repair facilities, and diesel professionals find the right parts quickly and confidently.
Today we supply heavy-duty diesel components across the United States — cylinder heads, overhaul kits, turbochargers, fuel system components, suspension parts, drivetrain products, and more. We also offer our own line of JAK'S Diesel performance cylinder heads designed for durability, reliability, and demanding applications.
The JAK'S Difference
Five things we won't compromise on — the reasons fleets and shops keep calling us back.
Real Diesel Expertise
18+ years in parts and distribution, backed by real diesel industry experience — not call-center scripts.
Fast Shipping
In-stock parts ship fast nationwide. When trucks are down, every hour matters.
Technical Support
Talk to experienced diesel professionals before and after the sale — every time.
Quality Products
Trusted brands, proven suppliers, and parts we'd confidently put our name behind.
Warranty Protection
Real support when you need it. Our products are backed by people who answer the phone.
The Right Part, First Time
Cross-referencing, sourcing expertise, and attention to detail help eliminate costly mistakes.
Whoever Keeps Diesel Moving
From a single owner-operator chasing a no-start to a 200-truck fleet running a standardized rebuild program, we've built our inventory, pricing and support around the people who live in these engines.
Let's Find Your Part
Cross a number, browse by engine, or talk to a specialist who knows the build.