xxxK12 The first 2 or 3 digits of the part nubmer is the belt length 180K12 is 18" Long Belts. The numbers after the J are the number of ribs along the belt width. 180K12 belt has 12 ribs

10PK845 Belt 10 Ribs

10PK845 Belt 10 Ribs

10PK845 Belt 10 Ribs

  • Price: $29.95

3PK785 Belt 3 Ribs PolyV Belt 301K3

3PK785 Belt 3 Ribs

3PK785 PolyV Belt 3 Ribs

  • Price: $6.99

6PK610 Belt 6 Ribs PolyV Belt 240K6

6PK610 Belt 6 Ribs

6PK610 PolyV Belt 6 Ribs

  • Price: $9.99

6PK785 Belt 6 Ribs PolyV Belt 301K6

6PK785 Belt 6 Ribs

6PK785 PolyV Belt 6 Ribs

  • Price: $9.99

8PK845 Belt 8 Ribs PolyV Belt

8PK845 Belt 8 Ribs

8PK845 Belt 8 Ribs

  • Price: $23.60