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: 707-98-34730 707 98 34730 7079834730
Group: Bucket Cylinder Seal Kit
Fit for model: Komatsu WA150-5 WA150-6 

Q1: Do you have a minimum order requirement?

A: Small trial order is acceptable.

Q2: Why choose our products:

1. We can provide you a wide range of oil seals.

2. With more than 10 years experience.

3. Our oil seals has best quality and best service with competitive price.

Q3: To which places have you exported?

A: Global.

Q4: How long is your delivery time?

A: Generally it takes 1-2 days if we have stock.