Description

When your John Deere starts knocking or showing signs of rod bearing wear, this connecting rod bush is the precision part that’ll get your engine back to smooth, reliable operation. This critical bushing sits between the piston pin and connecting rod, handling enormous stress every time a piston fires. If you’ve been hearing that telltale knock or noticed metal shavings in your oil, don’t wait—a worn bush can turn into expensive crankshaft damage real quick.

What You’re Getting

Precision-machined bushing designed specifically for John Deere 4045T and 6068T Powertech engines
High-grade bearing material that handles the heat and pressure of turbocharged operation
Factory specifications ensure proper oil clearance and piston pin fit
Direct replacement part that fits your existing connecting rods perfectly

Built for Real Farm Work

These Powertech engines power a wide range of John Deere utility and row-crop tractors from the compact 3010 series up through the heavy-duty 7020 series. Whether you’re running a 5515 through long cultivation days or pushing a 7520 through heavy tillage work, these engines deliver reliable power when you need it most. The 4045T and 6068T are workhorses that handle everything from loader work to heavy draft loads.

Made to Last

Connecting rod bushes take incredible punishment—thousands of combustion cycles per minute, extreme temperatures, and constant loading and unloading forces. This bushing is manufactured to OEM standards with the right bearing material and surface finish to handle those stresses. Professional engine rebuilds include these bushings as essential components because they’re critical for proper piston pin operation and long engine life.

Installation Notes

This is a professional-level repair that requires engine disassembly and specialized tools for proper bushing installation. You’ll need to remove the connecting rod, press out the old bushing, and precisely install the new one with proper clearances. If you’re doing a complete engine rebuild, this bushing should be part of your overhaul kit. Always check piston pin condition when replacing bushes—worn pins will destroy new bushings in short order.