Kobelco SK220LC Excavator Seal kits for Hydraulic Cylinder Boom Arm Bucket

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Parts List:

Seal: NOK
Piston seal: ODI,OSI,SPG,SPGW,SPGO,SPGC,SPGI.
Dust seal: DKI,DWI,DWIR,DKBI,DKB,DKH,DSI.
Rod seal: IDI,ISI,IUH,UNI,SPNO,SPN,SPNC.
Piston Seal & Rod Seal: UPH,USH,USHR.
Buffer seal: HBY,HBTS.
Wearing ring: RYT,WR.
Pollution prevention seal: KZT Back-up ring
Supporting ring: BRT2, BRT3.
O Ring: Material: NBR, VMQ, FKM.
Others: ROI.
Skeleton oil seal: TC,TB,VC,VB,TCV,TCN.

All Kinds of seal kit as following:

1. Boom cylinder seal kit
2. Arm cylinder seal kit
3. Bucket cylinder seal kit
4. Center Joint seal kit
5. Control Valve seal kit
6. Hydraulic pump seal kit
7. Travel Motor seal kit
8. Swing Motor seal kit
9. Gear Pump seal kit
10. Track adjust cylinder seal kit
11. Servo valve seal kit
12. Pilot valve seal kit

Hydraulic Breakers Oil Seal Rock Hammer Seal kit

ALLIED Hydraulic Breakers Oil Seal Rock Hammer Seal kit

770CS, 775, 711, 711B, 715, 725, 730, 735, 88, 740CS, 745, 745CS, 750, 750B, 750CS, 755, 99, 770B, 770CS, 775,
780CS, 785, 795CS, 797, 805, AR70, AR75, AR75B, AR85, AR95, AR110B, AR120B, AR130, AR130B, AR140B, AR160B,
AR160C, AR165, AR170C, AR175

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Looking for a reliable supplier of excavator parts? Whether you need OEM services or a complete range of parts, we provide the best solutions for your business. As both a manufacturer and trading company, we combine factory-direct prices with the convenience of one-stop sourcing, ensuring that you get high-quality parts at competitive prices.

At YNF Machinery, we specialize in excavator rubber parts and a wide range of excavator components. Our extensive experience and commitment to quality make us a trusted partner for distributors, wholesalers, and repair shops worldwide.

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✅ Largest Excavator Rubber Parts Factory in Southern China

Our factory is the biggest excavator rubber parts manufacturer in southern China. This means:
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We have over 16 agents across China and are actively expanding our global presence.
✔ Looking for distributors and agents worldwide—let’s grow together!
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With decades of experience, we understand the excavator parts market inside out.
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Our Guangzhou office and showroom allow for easy business meetings and fast shipping.
✔ View and inspect products before ordering
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What Excavator Parts Do We Offer?

We cover all major excavator brands, including Caterpillar, Komatsu, Hitachi, Volvo, Kobelco, Doosan, Hyundai, JCB, Kubota, and more. Our product range is designed to keep your machines running efficiently and reduce downtime.