Replacement Husqvarna Biostar Rider 13, 11 Bio, Rider 15 V2, Rider 16,16H Rider 15, Pro15 , Pro15 V2 models Toothed Deck Belt Ride On Lawnmower - Built to OEM tolerances

- Built to OEM tolerances for durability in regular mowing cycles

Engine capacity: 722cc

50 - 5 Valve DIN 7777 90/90 (BENT VALVE 90 deg) Replaces: RT1-175

PTX 220 HD 40N877-0040-B1 (2018) 2T1310273/Y13

Husqvarna's SmartStart system reduces the resistance on the starter pull by up to 40%

Replacement Husqvarna Biostar Rider 13, 11 Bio, Rider 15 V2, Rider 16,16H Rider 15, Pro15 , Pro15 V2 models Toothed Deck Belt Ride On Lawnmower - Built to OEM tolerancesFits many makes and models including Husqvarna deck timing belt Fits Biostar Rider 13, 11 Bio, Rider 15 V2, Rider 16,16H Rider 15, Pro15 , Pro15 V2 models. Replaces OEM no. 531 00 75 26, 589 53 15 01, 506 97 73 01