This is a A-635K8 Micro-Rib V-Belt (63.5") PN: 635K8Main Description As Following : A-635K8 Micro-Rib V-Belt (63.5") P.N: 635K8 8 Rib X 63.5 K Micro Rib Polyester CordColor: BlackLength: 63.5Material: Polyester CordMetric Code: 8PK1613Number Of Ribs: 8Outside Length: 64.13"Pitch Length: 63.5"Thickness: 0.18Type: K Micro RibWidth: 8 Rib Replaces: A-R135438 JOHN DEERE , A-1076753M1 MF COMBINE PARTS , Crossed From: AM1076753M1 , , GATKO80635 , , GATK080635 , , GAT080635 , , HC1076753M1 , , J911566 CASE-IH , K080635 GATES , 1709-5506 , , 25080635 , , 4080635 GOODYEAR , 5080635 DAYCO , 8PK1610 A & I METRIC BELTS , 8PK1611 A & I METRIC BELTS , 8PK1612 A & I METRIC BELTS , 8PK1613 A & I METRIC BELTS , 8PK1614 A & I METRIC BELTS Found in Section & Models : Industrial Belts > K-Poly Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : 8 Rib X 63.5" K Micro Rib Polyester Cord Color: Black Length: 63.5" Material: Polyester Cord Metric Code: 8PK1613 Number Of Ribs: 8 Outside Length: 64.13" Pitch Length: 63.5" Thickness: 0.18" Type: K Micro Rib Width: 8 Rib