Description
If you’ve noticed a rattling noise coming from your engine or felt that familiar knocking when you’re running at idle, chances are your connecting rod bushes are worn out. This small end bush fits right between the connecting rod and the wrist pin, keeping everything moving smooth and quiet like it should. When these little bushes wear down, they let the piston pin move around too much, and that’s when you get that telltale engine knock that tells you it’s time for some attention.
What You’re Getting
- Precision-machined bronze construction that handles the heat and pressure of diesel engines
- Exact fit replacement that restores proper clearances and eliminates engine knock
- Designed to work with both 4239D and 6359D engines found in these tractor series
- Quality materials that resist wear even under the heavy loads these tractors handle
Built for Real Farm Work
This bush fits John Deere’s workhorse tractors from the 30 series utility machines up through the bigger 55 series row-crop tractors. Whether you’re running a 2040 on hay ground, using a 3050 for cultivation work, or pulling heavy implements with a 3155, these engines see plenty of hours and deserve parts that’ll keep up with the workload.
Made to Last
Engine bushes take a beating from constant heat cycles, oil contamination, and the pounding that comes with diesel combustion. This bush is made from high-quality bronze that maintains its shape and lubrication properties even after thousands of hours of operation. It’s built to the same specs as the original, so you know it’ll fit right and last.
Good to Know
Installing connecting rod bushes is definitely an engine-out job that requires proper measuring and machining to get the clearances right. Most folks take their rods to a machine shop for pressing and boring to size. While you’re in there, it’s smart to check your rod bearings and wrist pins too – these parts usually wear together.
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