One New Aftermarket Replacement Hydraulic Cylinder Seal Kit that Fits Caterpillar Excavator Models:
- Left Hand Blade Cylinder: 307 (Cylinder: 1076377, 1148378)
- Right Hand Blade Cylinder: 307 (Cylinder: 1076472, 1148377)
- Blade Cylinder: E70B (Cylinder: 0856321, 0856322, Serial #’s 5TG1-UP; 6AK1-UP)
Rod: 50 mm
Bore: 90 mm






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