Reliance NRE66271 piston ring set for John Deere Powertech 4.5 and 6.8 one set does one cylinder so you will need 4 sets for a 4 cylinder and 6 sets for a six cylinder. Even as a new part, know that we have inspected it for any malfunctions or signs of future durability issues, we care about our customers and providing the parts they need. Rest assured, as we only sell OEM or OEM+ parts meeting or exceeding equipment standards, it is sure to last.

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