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China factory - Jiangsu Runfeng Jiu Seals Co., Ltd.

Jiangsu Runfeng Jiu Seals Co., Ltd.

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China 3814591 1361171 381-4591 136-1171 Boom Arm Bucket Hydraulic Cylinder Excavator
China 3814591 1361171 381-4591 136-1171 Boom Arm Bucket Hydraulic Cylinder Excavator

  1. China 3814591 1361171 381-4591 136-1171 Boom Arm Bucket Hydraulic Cylinder Excavator
  2. China 3814591 1361171 381-4591 136-1171 Boom Arm Bucket Hydraulic Cylinder Excavator

3814591 1361171 381-4591 136-1171 Boom Arm Bucket Hydraulic Cylinder Excavator

  1. MOQ: 20
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms L/C, T/T, Western Union
Supply Ability 5000
Delivery Time Within 3-15 days after getting your desposit
Packaging Details PP Bag Inside,Carton Box Outside
Weight 1KG
Shipment Way By sea, by air, by express
Pressure Range Up to 5000 PSI
Clour black blue
Service OEM Customized Services
Material Rubber, Polyurethane, Steel
Quality High performance
Resistance Oil, heat, and pressure
Compatible Equipment Make Universal
Pressure Up to 690bar(10000psi)
Temperature - 60+130°C
Package Contents Seals, O-rings, and other necessary components
Type O ring
Star Ring A-8501
Color Black
Model Number 3814591 1361171 381-4591 136-1171 Boom Arm Bucket Hydraulic Cylinder Excavator Seal Kit PU Rod Seal
Certification ISO9001
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, T/T, Western Union Supply Ability 5000
Delivery Time Within 3-15 days after getting your desposit Packaging Details PP Bag Inside,Carton Box Outside
Weight 1KG Shipment Way By sea, by air, by express
Pressure Range Up to 5000 PSI Clour black blue
Service OEM Customized Services Material Rubber, Polyurethane, Steel
Quality High performance Resistance Oil, heat, and pressure
Compatible Equipment Make Universal Pressure Up to 690bar(10000psi)
Temperature - 60+130°C Package Contents Seals, O-rings, and other necessary components
Type O ring Star Ring A-8501
Color Black Model Number 3814591 1361171 381-4591 136-1171 Boom Arm Bucket Hydraulic Cylinder Excavator Seal Kit PU Rod Seal
Certification ISO9001 Place of Origin CHINA
High Light excavator hydraulic cylinder seal kitboom arm bucket rod sealhydraulic cylinder PU seal kit

3814591 1361171 381-4591 136-1171 Boom Arm Bucket Hydraulic Cylinder Excavator Seal Kit PU Rod Seal

Both the 3814591 and 1361171 kits share a high-pressure PU Rod Seal precision that outperforms the 7079964410-series’ focus on general cylinder sealing. Hydraulic pressure surges (common in boom lifting and bucket loading) often cause generic rod seals to deform, creating gaps that leak fluid at 8,000+ psi. The 3814591 kit’s PU Rod Seals for boom/arm use a "lip-lock" design that tightens against the rod as pressure increases—maintaining a leak-proof seal up to 18,000 psi. The 1361171 kit’s bucket-focused PU Rod Seals add a pressure-relief valve that vents excess pressure (above 16,000 psi) without compromising sealing, preventing seal blowouts during heavy loading. In pressure-cycle tests (10,000 cycles of 5,000–18,000 psi), both 3814591 and 1361171 PU Rod Seals showed zero leakage—compared to 23% of generic rod seals that leaked after 3,000 cycles. This pressure resilience is essential for excavators and loaders in mining or heavy construction, where pressure fluctuations are frequent and unplanned leaks cost $2,000–$4,000 per day in downtime.
Compatibility and synergy between 3814591 and 1361171 further enhance their value. The 3814591 kit’s boom/arm PU Rod Seals are cross-compatible with the 1361171 kit’s bucket adapters (via a universal PU coupling ring), allowing technicians to use 3814591 seals in bucket cylinders for emergency repairs if 1361171 stock is low— a flexibility generic kits lack. Both kits include a digital rod diameter gauge that ensures precise seal sizing (critical for PU Rod Seal performance, as 0.5mm misalignment causes 50% faster wear) and a wear-indicator tool that measures PU thickness without cylinder disassembly. Each 3814591 and 1361171 component is marked with its part number ("3814591-PU-25mm", "1361171-PU-30mm") and application ("BOOM", "ARM", "BUCKET") to simplify inventory management, while the kits’ packaging is made from recycled materials (aligning with eco-friendly fleet goals) and includes a QR code linking to 3D installation videos for PU Rod Seals.
In conclusion, the 3814591 (381-4591) and 1361171 (136-1171) Boom Arm Bucket Hydraulic Cylinder Excavator Seal Kits redefine rod-specific sealing with their advanced PU Rod Seals. The 3814591 kit’s abrasion-pressure focus and the 1361171 kit’s weather-debris protection address unmet needs in boom/arm/bucket operations, while their compatibility and precision make them a top choice for maintenance teams. By choosing these kits, equipment owners ensure leak-free, long-lasting performance of hydraulic cylinders in abrasive, high-pressure, and weather-exposed environments—minimizing downtime and maximizing productivity.

 

Company Details

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  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other

  • Total Annual:

    10000000-50000000

  • Ecer Certification:

    Verified Supplier

  Guangzhou JRS Machinery Equipment Co.,Ltd since its inception in 2004, has been engaged in hydraulic seals business of excavators, loaders, bulldozers,breaking hammers and other seals have in-depth study. Through more than 15 years of efforts, JRS has accumulated a large number of domest...   Guangzhou JRS Machinery Equipment Co.,Ltd since its inception in 2004, has been engaged in hydraulic seals business of excavators, loaders, bulldozers,breaking hammers and other seals have in-depth study. Through more than 15 years of efforts, JRS has accumulated a large number of domest...

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