Key Features

• Genuine John Deere OEM Part – PISTON RING – L28656, manufactured to original equipment specifications for correct fit and performance.
• Precision-machined ring for proper piston-to-cylinder sealing and consistent compression across the bore.
• Durable construction designed to withstand high combustion pressures and engine heat in diesel applications.
• Direct replacement fit – installs easily with no modification required on eligible John Deere engines.
• Helps reduce blow-by and oil consumption, supporting stable engine efficiency and fuel economy.
• Essential during engine rebuilds and servicing to restore compression integrity and extend engine life.

Product Details

• Part Number: L28656
• Brand: John Deere
• Component Type: Piston ring
• Application: Engine piston compression and sealing
• OEM Specification: Genuine John Deere OEM part manufactured to original equipment specifications
• Typical Uses: Replacement for worn, cracked, or fatigued rings; engine rebuilds; servicing to restore compression; reducing oil consumption; improving engine performance
• Scope: Designed for John Deere engines that share the same bore size and engine family; commonly used in 30 Series and 40 Series tractors and related diesel engine applications
• Key Benefit: Maintains combustion pressure, reduces blow-by, and supports efficient operation

Compatibility

• Fits John Deere 30 Series tractors (examples include models within 301A through the 6900 series) and John Deere 40 Series tractors (examples include 840, 940), among other utility tractors and diesel engines that specify L28656 piston rings.
• Other engines within the same bore size and engine family that designate L28656 as the correct ring specification.
• Note: Confirm bore size and engine family alignment with OEM documentation to ensure proper fit.