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PC290LC-11 PC290LL-11 721-98-00440 Komatsu Bucket Seal Kit 7219800440 Excavator Cylinder Sealing Kit

Categories KOMATSU Seal Kit
Brand Name: SUNCAR
Model Number: 721-98-00440 KOMATSU PC290LC-11, PC290LL-11
CertifiC.A.Tion: ISO9001
Place of Origin: CHINA(MAINLAND)
MOQ: Trial order acceptable
Price: Negotiation
Payment Terms: Western Union, T/T, Paypal, Transfer
Supply Ability: 3000 set per month
Delivery Time: 3-5 days after payment received(public holiday excluded)
Packaging Details: PP bag inside, carton box outside
Part Number: 721-98-00440, 7219800440
Sample: Available
Rod: 100 MM
Bore: 140 MM
Product Name: Bucket Cylinder Sealing Kit
Cylinder No.: 707-E1-00230
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PC290LC-11 PC290LL-11 721-98-00440 Komatsu Bucket Seal Kit 7219800440 Excavator Cylinder Sealing Kit


PC290LC-11 PC290LL-11 721-98-00440 Komatsu Bucket Seal Kit 7219800440 Excavator Cylinder Sealing Kit


Product NameBucket Cylinder Sealing Kit
Part Number721-98-00440, 7219800440
ModelKOMATSU PC290LC-11, PC290LL-11
MaterialPU, Rubber, PTFE, NBR, HNBR, ACM, VMQ
Place of OriginChina(Mainland)
Brand nameSUNCAR
PackingPP bag inside, carton box outside
Shipping ModeBy air, by sea, by express(FedEx, UPS, DHL, TNT, etc.)
Payment TermsWestern Union, Paypal, T/T, Transfer
CertifiC.A.TionISO9001
WarrantyUnavailable
CustomizedOEM & ODM are welcomed
C.A.Tegory GroupHydraulic cylinder seal kit
ConditionNew, genuine new
SampleAvailable
Applicable IndustriesBuilding material shops, machinery repair shops, retail, construction work...
FeatureHigh sealing performance/ wear resistance
AppliC.A.TionBucket
Rod100 MM
Bore140 MM
Cylinder No.707-E1-00230

Our Product Range:

* Hydraulic pump seal kit

* Control valve seal kit

* O ring kit box

* Gear pump seal kit

* Travel motor seal kit

* Swing motor seal kit

* Pilot valve seal kit/PPC seal

* Adjuster seal kit

* Center joint seal kit

* Boom cylinder seal kit

* Arm cylinder seal kit

* Bucket cylinder seal kit

* Breaker hammer seal kit

Related Parts:

Pos.Part NoProduct NameQty
K05721-98-00440Seal Kit, Bucket Cylinder
07000-B3030• O-ring1
07000-B5090• O-ring1
07000-B5130• O-ring1
07145-00080• Seal, Dust2
20Y-70-23230• Seal, Dust2
707-35-30900• Ring, Back-up2
707-35-31310• Ring, Back-up1
707-39-14110• Ring, Wear2
707-44-14150• Ring, Piston1
707-51-10650• Ring, Buffer1
707-51-10860• Packing, Rod1
707-56-10740• Seal, Dust1

The Role Of The Seal:

  • Each of the dynamic seals confine a hydraulic cylinder, which contains a specific perform that contribute towards the system’s performance.
  • Rod seal: Acts a pressure barrier and helps the operational fluid inside of the cylinder to regulate the fluid film extending with the connecting rod’s surface. This is essential in inhibiting the corrosion of the rod and the lubriC.A.Tion of the wiper seal.
  • Piston seal: Acts as a barrier to the pressure and prevents the fluid from passing the piston. Necessary for maintaining the position when at rest or for the cylinder’s dominant motion.
  • Buffer seal: The rod seal is protected against fluid pressure peaks that can lead to fluctuating the system pressure with the help of buffer seals.
  • Wiper seal: It is designed to prevent external contaminants from coming inside the assembly of the cylinder.
  • (Rod and piston) functions: Prevents contact of metal-to-metal between parts, leading to keeping the piston and connecting rod accurately centered within the assembly of the cylinder. Helps in improving performance of the piston and rod waterproofing system.

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