Reliable excavator boom cylinder seal kit ensures stable sealing performance and efficient hydraulic operation for heavy-duty arm systems.
The YNF18217 9078845 boom cylinder seal kit has been developed for the EX300-3 excavator, providing a comprehensive sealing solution for the boom (arm) cylinder. It is used to maintain hydraulic pressure, prevent oil leakage, and ensure smooth and reliable boom movement during excavation operations.
All components in the kit are manufactured using high-performance sealing materials such as NBR, PU, and PTFE. These materials are selected for their excellent resistance to hydraulic oil, pressure, temperature, and wear. The kit typically includes piston seals, rod seals, O-rings, dust seals, and backup rings, ensuring a complete repair solution for cylinder overhaul.
For B2B buyers, including distributors, repair workshops, and equipment service providers, this excavator boom cylinder seal kit is a fast-moving maintenance part with consistent demand in the market. It helps reduce downtime, extend cylinder service life, and improve machine efficiency.
With OEM-level compatibility, installation can be performed directly without modification, making it highly suitable for bulk purchasing and inventory management. YNF Machinery ensures stable quality, competitive pricing, and reliable supply to support long-term business growth and profitability.
| Item | Specification |
|---|---|
| Product Name | Boom Cylinder Seal Kit |
| Part Number | 9078845 |
| YNF Number | YNF18217 |
| Applicable Model | EX300-3 |
| Application | Excavator boom (arm) cylinder |
| Type | Hydraulic Cylinder Seal Kit |
| Material | NBR, PU, PTFE |
| Function | Sealing, oil leakage prevention |
| Installation Position | Boom cylinder |
| Brand | YNF |
| Origin | China |
| MOQ | 1 set |
| Packaging | Standard export packaging |
| Shipping Method | Air / Sea / Express |
| Payment Terms | T/T, L/C, PayPal |
| Application | Description |
|---|---|
| Excavators | Boom cylinder sealing and repair |
| Construction Equipment | Hydraulic system maintenance |
| Mining Machinery | Heavy-duty sealing applications |
| Repair Workshops | Cylinder overhaul and servicing |
| Spare Parts Distribution | High-demand maintenance product |
Q: What is included in a boom seal kit?
A: It typically includes piston seals, rod seals, O-rings, dust seals, and backup rings.
Q: Why is seal kit replacement important?
A: It helps prevent oil leakage, maintain hydraulic pressure, and ensure stable machine operation.
Q: Is this suitable for wholesale buyers?
A: Yes, it is a fast-moving consumable widely used by distributors and repair workshops.
YNF Machinery supplies high-quality excavator cylinder seal kits such as YNF18217, designed for professional B2B buyers who require durable and reliable sealing solutions. Each kit is manufactured under strict quality control to ensure consistent performance and long service life.
This boom cylinder seal kit helps prevent hydraulic oil leakage, reduce maintenance downtime, and improve operational efficiency for your customers. With competitive pricing, stable supply, and professional support, YNF Machinery supports your business growth and profitability. Send your inquiry today to receive a fast quotation.
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