721-98-00290 7219800290 Boom Cylinder Service Kit For PC240LC-11 PC240NLC-11

721-98-00290 7219800290 Boom Cylinder Service Kit for PC240LC-11 PC240NLC-11

Description:  721-98-00290 7219800290 Excavator KOMATSU Boom cylinder seal kit.

      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.

FAQ:

Q1: Are you trading company or manufacturers?

A:We are the combination of production and trade, more than 10 years of experience.

Q2: How long is your delivery time?

A: In stock: 1-2 working days.

Not in stock: 3-10 working days.

Q3: Do you provide samples ? Is it free or extra ?

A: Yes, we can supply the sample for free. Freight charges can be negotiated.

Q4: Do you have a minimum order requirement?

A: Small trial order is acceptable.

Q5: How to ship my order?

A: Small package, will be by express such as DHL, TNT,UPS and etc.

Big quantity order, will be by air or by sea.

Q6: What’s your main products ?

A:Our main products: All kind of oil seal and seal kit for excavator, bulldozer, loader, breaker hammer, crane and so on.

Q7: What items we need to know for the offer?

A: Product types, material, dimension, quantity is the four main items we need to know before offer. More details information we get, more better price we can supply.

Q8: Which payment items we can do?

A: We support the  PayPal, Western Union, Bank transfer, T/T in advance,Alipay  etc.

Parts on Group: