Cat 315B, 315B L Excavator Boom Cylinder Seal Kit Head-Hook (550G s/n: 770863-Up) Crawler Dozers

(550G s/n: 770863-Up) Crawler Dozers

Rod: 40 mm

Cylinder Rebuild/Repair Seal Kit for John Deere Model 27 ZTS Mini/Compact Excavator

Part #: 8050176

Cylinder Rebuild/Repair Seal Kit for Case Model 580B

Cat 315B, 315B L Excavator Boom Cylinder Seal Kit Head-Hook (550G s/n: 770863-Up) Crawler DozersCylinder Rebuild Repair Seal Kit for Caterpillar Model 315B, 315B L Excavators Please Choose the Option that matches your Machine Type 1 Serial Numbers: 1SW00001 Up; 3AW00001 Up; 5SW00001 Up; 7RZ00001 Up Cylinder #s: 1559251 Rod: 80 mm Bore: 110 mm Type 2 Serial Numbers: 5SW00001 Up; Cylinder #s: 1336630 Rod: 80 mm Bore: 110 mm For Variable Adjust Boom