WHO WE ARE

HeavyDutyKits (HDKits) is a specialized supplier of premium diesel engine parts, serving both individual customers and commercial operations across the United States.

We focus on providing high-quality components for leading engine platforms including Cummins, Caterpillar, Detroit Diesel, Volvo, and Isuzu. Whether you're rebuilding an engine, maintaining a fleet, or sourcing parts for heavy equipment, we deliver dependable solutions built for performance and durability.

Our mission is simple:
Make sourcing diesel engine parts fast, accurate, and hassle-free.

WHAT WE DO

We supply a wide range of heavy-duty engine components, including:

• Engine Rebuild Kits (Inframe & Overhaul Kits)
• Cylinder Heads & Gasket Sets
• Turbochargers & Air Systems
• Fuel System Components
• Cooling System Parts (Water Pumps, Oil Coolers)
• Performance & Upgrade Components

Every product is sourced from trusted manufacturers and suppliers to ensure quality, compatibility, and long-term reliability.

HOW WE OPERATE

HeavyDutyKits operates on a streamlined eCommerce and distribution model designed for speed and efficiency:

• Orders are processed within 1–2 business days
• Nationwide delivery in 4–6 business days
• Direct sourcing from authorized distributors and manufacturers
• Real-time support for part compatibility and order assistance

This allows us to maintain a vast catalog without compromising availability or delivery performance.