Description
When you’re hearing more noise from under the hood and seeing blue smoke on startup, it’s often worn pistons and rings letting compression slip away. Poor compression means less power, higher fuel consumption, and eventually an expensive rebuild. This replacement piston comes with rings and gets your engine breathing properly again so you can get back to productive work.
What You’re Getting
- Complete piston assembly with rings included—everything you need in one package
- Precision-machined to OEM specifications for proper fit and seal
- Quality materials that handle the heat and pressure of heavy work cycles
- Direct replacement that installs with standard engine rebuild procedures
- Includes pins and retainers for complete installation
Built for Real Farm Work
This piston fits the reliable engines found in Ford New Holland 40 series tractors and related models. These mid-range workhorses handle everything from cultivation and planting to loader work and hay operations. Whether you’re running a 5640 for general farm duties or pushing an 8340 through heavy tillage, this is the same quality piston that came in your engine from the factory.
Made to Last
Farm tractors don’t get babied, and this piston is built to handle long hours under load. The rings are designed to seal properly from day one and maintain that seal through thousands of hours of operation. Quality materials and precise machining mean it’ll handle the temperature swings and constant pressure cycles that come with serious farm work.
Installation Notes
This is an engine-out repair job that requires proper machine shop services for boring and honing. Make sure your machine shop checks cylinder taper and out-of-round before installation. Always replace all pistons as a set, not individually, and follow proper torque specifications for your engine. A good mechanic will also check connecting rod condition while everything’s apart.






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