Reliable John Deere Engine Parts for Agricultural, Construction & Industrial Equipment

Looking for high-performance John Deere engine Rebuild parts you can count on? At HeavyDutyKits.com, we specialize in providing top-tier rebuild parts and overhaul kits for a wide range of John Deere engines. Whether you’re running tractors, combines, excavators, loaders, or power units, we’ve got the right parts to keep your equipment running strong.

We offer complete coverage for models like the John Deere 4045, 6068, 6081, 6090, 6125, and more — all available with in-frame kits, cylinder heads, gaskets, pistons, and everything in between. From early 4.5L and 6.8L engines to the latest PowerTech models, our catalog is organized by engine make > model > sub-model > part type, so you can quickly find the exact part you need.

Useful John Deere Engine Information

• How to Identify Your John Deere Engine by ESN
• John Deere PowerTech Engines Explained

Why Choose HeavyDutyKits for John Deere Engine Parts?

• OEM Quality or Better – Trusted aftermarket brands like Interstate-McBee and Maxiforce.
• No Core Charges Upfront – Order with ease. No surprise fees.
• Free Shipping – On most orders within the U.S.
• Engine-Specific Fitment – Avoid guesswork. We guide you by engine model and serial number.
• Expert Support – Our diesel engine pros are always ready to help.