Cat 312B & 312B L Excavator Stick Seal Kit Serial Number Range:Group 2 (Order with 50mm Rod Seal

(Order with 50mm Rod Seal Kit to reseal whole cylinder)

Cylinder #s: 20M-63-02130

Cylinder #: G33998

Pin - Boom Cylinder to Boom

Cylinder #s: PG200017G

Cat 312B & 312B L Excavator Stick Seal Kit Serial Number Range:Group 2 (Order with 50mm Rod SealCylinder Rebuild Repair Seal Kit for Caterpillar Model 312B & 312BL Mini Excavator Please Choose the Option that matches your Machine Serial Number Group 1: 2NS00001 00145; 3FS00001 00213; 8JR00001 00687; 9GR00001 00357; Cylinder #s: 1195436 Rod: 80 mm Bore: 120 mm (2) Piston Wear Rings Serial Numbers: 2NS00146 Up; 3FS00214 Up; 8JR00688 Up; 9GR00358 Up Cylinder #s: 1438157, 1859056 Rod: 80 mm Bore: 120 mm (3) Piston Wear Rings