Hydraulic cylinder seal kits are used to seal the gap between different parts of the hydraulic cylinder. The function of hydraulic cylinder seal kits is to prevent oil leakage, to assure the working pressure of the hydraulic system, to maintain its power.
Boom Cylinder seal kit is, as the name suggests, fitted into the boom cylinder.
There are regularly three cylinders for the excavator, boom cylinder, arm cylinder, bucket cylinder.
Arm cylinder is the top one, and it's usually be called as top cylinder;
The bucket cylinder is the one that connects and controls the bucket.
Boom cylinder is the one (or the two) near the cabin. Usually, there is one piece boom cylinder for the small excavator under 10-tun; the bigger excavator's two pieces boom cylinders. But there is an exception too when the driver will remove one piece for a special purpose, say at some particular working place, it is convenient to work by one cylinder. Soft remind: all refit job should be operated by an experienced technician.

Part Number: 350-7157 350 7157 3507157
Group: Cylinder Seal Kit
Fit for model: 793C, 793D, 793F, 793F AC, 793F CMD, 793F OEM, 793F-XQ 

· Wide product range and deliver goods in time

· Choosing the best quality of products (if we don't make) for customers in the whole China.

· Guaranteed quality and pretty competitive price.

· Products are superior in quality. Each product must pass strict inspection by our QC and engineer.

· Accept orders for products custom-made according to your drawings or technical specifiion.