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721-98-00920 7219800920 Boom Cylinder Seal Kit for Komatsu Excavator PC800SE-8E0

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721-98-00920 7219800920 Boom Cylinder Seal Kit for Komatsu Excavator PC800SE-8E0

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Brand Name :SUNCAR
Model Number :721-98-00920 Komatsu PC800SE-8E0
CertifiC.A.Tion :ISO9001
Place of Origin :CHINA(MAINLAND)
MOQ :Trial order acceptable
Price :Negotiation
Payment Terms :Western Union, L/C, T/T, , D/A, D/P, Paypal
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
Certification :ISO9001
Product Name :Boom Cylinder Seal Kit
Part Number :721-98-00920, 7219800920
Customized :OEM & ODM are welcomed
Shipping Mode :By air, by sea, by express(FedEx, UPS, DHL, TNT, etc.)
Sample :Available
Warranty :Unavailable
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Boom Cylinder Seal Kit 721-98-00920 7219800920 Excavator Service Kits For PC800SE-8E0 Komatsu

Product Name Boom Cylinder Seal Kit
Part Number 721-98-00920, 7219800920
Model KOMATSU PC800SE-8E0
Material PU, Rubber, PTFE, NBR, HNBR, ACM, VMQ
Place of Origin China(Mainland)
Brand name SUNCAR
Packing PP bag inside, carton box outside
Shipping Mode By air, by sea, by express(FedEx, UPS, DHL, TNT, etc.)
Payment Terms Western Union, Paypal, T/T, Transfer
CertifiC.A.Tion ISO9001
Warranty Unavailable
Customized OEM & ODM are welcomed
C.A.Tegory Group Hydraulic cylinder seal kit, excavator service kits
Condition New, genuine new
Sample Available
Applicable Industries

Building material shops, machinery repair shops, retail,

construction work...

Feature High sealing performance/ wear resistance
AppliC.A.Tion Boom

Customer Service:

  • If you are interested in our products or have any questions, you can send us an email through the mail system or contact us on social media.
  • Normally, the email will be replied within 24 hours; except every Sunday and holiday. When we return to the office, we will reply as soon as possible
  • If you do not find the product you need, please send us an email with a picture, and we will be happy to help you.
  • Positive feedback is very important to us.

(1) Classification by Contact & Position
1. Contact Seal vs. Non-Contact Seal (based on interaction with moving parts)
2. Circumferential Seal (radial sealing) vs. End Face Seal (axial sealing, also called Mechanical Seal)
3. Note: Centrifugal & spiral seals (in dynamic seals) utilize fluid motion for sealing and are sometimes termed Power-Activated Seals.
(2) Static Seals
1. Three Main Types:
1) Gasket Seals
2) Sealant (Liquid/Gel) Seals
3) Direct Contact Seals
2. Pressure-Based Subtypes:
1) Medium/Low-Pressure: Soft, wide gaskets (e.g., rubber, compressed fiber)
2) High-Pressure: Hard, narrow metal gaskets (e.g., copper, steel)
(3) Dynamic Seals
1. Rotary Seals (for rotating shafts, e.g., oil seals, lip seals)
2. Reciprocating Seals (for linear motion, e.g., piston seals, rod seals)

Related Parts:

Pos. Part No Parts name Qty
K07 721-98-00920 Seal Kit, Boom Cylinder
07000-53038 • O-ring 2
07000-55130 • O-ring 1
07000-55190 • O-ring 2
707-35-31300 • Ring, Back-up 2
707-35-31910 • Ring, Back-up 3
707-39-20020 • Ring, Wear 2
707-44-20180 • Ring, Piston 1
707-51-14650 • Ring, Buffer 1
707-51-14730 • Packing, Rod 1
707-56-14740 • Seal, Dust 1
707-56-14820 • Seal, Dust 1

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

Produtc Show:

721-98-00920 7219800920 Boom Cylinder Seal Kit for Komatsu Excavator PC800SE-8E0

721-98-00920 7219800920 Boom Cylinder Seal Kit for Komatsu Excavator PC800SE-8E0

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