Why ProPartsPlace? Fastest Shipping! Reasonable Prices! Great Feedback! Excellent customer service! This sale is for (1) new replacement belt compatible with the encore 523472. REPLACES ENCORE 523472 5/8" X 176" Encore ZERO-TURN: 52B25X X-TREME Encore ZERO-TURN: 52B550Z Z52 Encore ZERO-TURN: 52K21Z Z52 Encore ZERO-TURN: 52K23X X-TREME Encore ZERO-TURN: 52K26X X-TREME Encore ZERO-TURN: 52K650Z X-TREME Encore ZERO-TURN: 52K650Z Z52 Disclaimer: We list model numbers and part numbers for references only. At times the same model may take different parts based on serial number breaks or manufacturers specifications. We list all the specifications on the part (size, width, length, thickness, etc.) and YOU must know what is needed on YOUR application. We canÂt possibly make it more known as to what you are receiving when you purchase.