Description
When your John Deere tractor starts blowing blue smoke or burning through oil faster than you’d like, worn piston rings are likely the culprit. This ring set is designed for the 300 Series diesel engines that powered many of the reliable workhorses from John Deere’s lineup. Getting your compression back where it belongs means more power to the ground and less oil consumption.
What You’re Getting
- Complete set with all three rings per piston: one keystone top ring (1/8″), one second compression ring (3/32″), and one oil control ring (.197″)
- Precise 4.02″ bore sizing engineered to restore proper compression and oil control
- Quality materials designed to handle the heat and pressure of hard farm work
- Direct replacement for the specific serial number range (178601 to 179600) ensuring perfect fit
Built for Real Farm Work
This ring set fits the 164 cubic inch, 3-cylinder diesel engines found in various John Deere tractors and equipment from that era. These were the dependable power plants that handled everything from loader work to field cultivation, known for their fuel efficiency and durability when properly maintained.
Made to Last
These rings are built to the same specifications as the original equipment, using materials that can handle the constant heat cycling and combustion pressures of diesel operation. The keystone design on the top ring provides superior sealing while resisting carbon buildup that can cause ring sticking.
Installation Notes
Ring installation requires proper honing of the cylinder walls and careful attention to ring gap specifications. Make sure to check your engine’s serial number falls within the specified range before ordering. A ring compressor tool and torque wrench are essential for proper installation – this isn’t a job to rush through.
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