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:

   Guangzhou Suncar Seals Co., Ltd. Is A Foreign Trade Company Specializing In The Wholesale And Retail Of Engineering

Machinery Seals, And Its Current Business Covers Many Regions At Home and Abroad. Over the years, We Have Focused on the Innovative

Research and Development of Manufacturing Processes, and Have highly Automated Production and Processing Base, Providing High-quality

Seals and Full Vehicle Accessories Kit for Excavators,Dozers ,Wheel and Other Equipment, Solving Engineering Machinery Maintenance

Problems. 

    As A Leading Brand In The Export Trade Of Domestic Construction Machinery Seals, Suncar Not Only Has Advanced Manufacturing And

Processing Capabilities, But Also Has a Scientific Management System And a Complete After-sales System. The Business Area Has A

Management Center, Product Consulting, Logistics Distribution, Financial Management,Product AlloC-A-Tion And Other Services.

We Can Offer You Most of the Oil Seals for the Construction Machines like Excavators, Dozers, Backhoe Loaders, Wheel Loaders and etc.

Our Company Specialist In Spare Parts For Excavator Such Brand As:

Our Product As Follow:

Oil Seals

Our Different Type of Oil Seals

* Single Lip Oil Seal * double Lip Oil Seal * Shaft Oil Seal *

Our Different Types of Oil Seals

* SC Oil Seal * SB * TC * TB  * TCK * VC  VB*  KC * MKB * TCZ *  TCV *  TCN *  TC4 *  TB4 

* TCJ *  KA3J *  DC *  DB *  MG *  WT * WTT *  OKC3 *  MOX *  MOD 

Oil Seal -- TC TB TCV TCN DB DC DCY TC4Y ETC.

Piston Seal:

SPGW *  SPGW2 *  SPGWV *  SPGO *  SPGA *  OK *  NCF *  KDAS/DAS/TPM/ZW *  OUY

SPG * SPGM *  SPGN *  SPGC * OHM *  CPI * CPH * ODI * OSI *  OUIS *  OUHR * OKH *

Rod Seal:

IDI *  ISI * IUIS * IUH * UNI * PTB(SKF) * H605(HALLITE) * PTU *  SPNO

SPN * SPNS * SPNC * U-CUP *  TSE

Piston and rod seal:

UPI * USI * UPH * USH * V99F * V96H * UN * UHS * UNS

Back Up Ring :

BRT-PTFE * BRT-NYLON * BRT2 * BRT3 * BRT-G * BRT-P * BRN2 * BRN3

O Ring :

O-ring P series ; O-ring G series; O-ring AS series ; O-ring S series;

O-ring M 1.5 series; O-ring M 2.0 series; O-ring M 1.9series; O-ring M 2.4 series;

O-ring M 3.0 series; O-ring M4.0 series

D Ring : DRP , DRI

Dust Seal:

DKI * DWI * DWIR * DKBI * DKBI3 * DKBZ * DKH * HBTY * URE * 

LPI * A1 * GHP * PPY * DLI * DLI2 * VAY *

DKB * GA * DSI * LBI * LBH * LBHK * DSPB * DHS * FA * HBY * HBTS *

Type A - Single Lip Wiper * Type B - Double Lip Wiper

Different AppliC-A-Tions of Oil Seal Kits

* Arm Oil Seal * Boom Oil Seal * Bucket Oil Seal * Dipper Oil Seal * Track Adjuster Oil Seal * Main pump Oil Seal * O Ring Oil Seal *

Back Lift Oil Seal * Lift Oil Seal * Steering Oil Seal * Loader Oil Seal * Excavator Oil Seal * 

Break Oil Seal * Blade Oil Seal * Dump Oil Seal * Swing Oil Seal * Shaft Oil Seal *

HUB Oil Seal * gear box Oil Seal * etc

We provide wide range of replacement Oil seal repair kits consist of different sizes, type used by OEMs i.e. C-A-Terpillar Oil Seal * Komatsu Oil

Seal * Hitachi Oil Seal * JCB Oil Seal * Poclain Oil Seal *  and various other branded machines for the machines like

Loader Oil Seal * Excavator Oil Seal * Dozer Oil Seal Hub Oil Seal * Motor Oil Seal * Pump Oil Seal * Dumper Oil Seal *

Crane Oil Seal * Motor Grader Oil Seal and other machines Oil Seal used in Mines, Cement Industries, Coal Industries, Steel Industries,Sugar

industries & Oil Industries etc.