This is a A-515K6 Micro-Rib V-Belt (51.5" 6 Rib) PN: 515K6Main Description As Following : A-515K6 Micro-Rib V-Belt (51.5" 6 Rib) P.N: 515K6 Metric Code: 6PK1308Number of Ribs: 6Outside Length: 52.13"Pitch Length: 51.5"Thickness: .177"Pitch Width: .14" Crossed From: K060515 GATES , 4060515 GOODYEAR , 5060515 DAYCO , 6PK1306 A & I METRIC BELTS , 6PK1307 A & I METRIC BELTS , 6PK1308 A & I METRIC BELTS , 6PK1309 A & I METRIC BELTS , 6PK1310 A & I METRIC BELTS Found in Section & Models : Industrial Belts > K-Poly Belt, (Miscellaneous) (UNDEFINED): SEVERAL, Lawn & Garden & Specialty Belts > RIDING MOWER, John Deere MOWER, GREENS: 2500E, John Deere MOWER, GREENS: 2550, John Deere MOWER, GREENS: 2750 Associated Items : New Also This is An Aftermarket Product And : 51.5" 6 Rib K-Poly Metric Code: 6PK1308 Number of Ribs: 6 Outside Length: 52.13" Pitch Length: 51.5" Thickness: .177" Pitch Width: .14"