This is a A-4N8198 CATERPILLAR BELT KIT OF 3 BX81 PN: 4N8198Main Description As Following : A-4N8198 CATERPILLAR BELT KIT OF 3 BX81 PN: 4N8198 Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : 5/8" X 84" Cogged Polyester Cord