|Description:||Piston Seal Ring, External 284.5 Dia.|
P C Industries supplies both Genuine and OEM Replacement parts for Alison products.
We utilize the same numbering system as Alison.
OEM is the abbreviation for Original Equipment Manufacturer. Our OEM replacement parts carry a two year warranty and remanufactured parts carry a one year warranty.
All of our used parts have been qualified by certified technicians.