Guangzhou Tianhe Qianjin Midao Oil Seal Firm
                                                                                                           
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OEM 305 306 305.5 Excavator Hydraulic Cylinder Seal Kit - Temperature Range -30°C to +130°C

Price Negotiable
Price: Negotiations
MOQ: Accept trial order
Delivery Time: 3-8 Days After Payment Received
Brand: MIDAO
Product Description
Product Overview

The OEM 305, 306, and 305.5 Excavator Hydraulic Cylinder Seal Kit provides reliable sealing solutions for hydraulic cylinder components. These seal kits are engineered to withstand high-pressure conditions and ensure optimal performance between cylinder heads and connecting rods during reciprocating motion.

Technical Specifications
Specification Details
Product Name Long Service Life OEM 305 306 305.5 Hydraulic Cylinder Seal Kit
Application 305 / 305.5 / 306 Excavator BOOM ARM BUCKET Hydraulic Cylinder
Temperature Range -30°C to +130°C
Lead Time 3-8 Days After Payment
Place of Origin China
Key Features
High Efficiency Performance
Excellent Heat Resistance
Superior Sealing Performance
Oil-Resistant Construction
Enhanced Wear Resistance
Seal Components

Seal Elements Included: U-Seal, Buffer Ring, Piston Seal, Wear Ring, Dust Ring, O-Ring, Backup Ring, U-Seal Backup

Material Composition: TPU, NY, NBR, PTFE

Compatible Excavator Models
  • 305, 305.5, 306 Series
  • 307, 312, 312B, 312C, 312D, 312V2
  • 320B, 320C, 320V2
  • 330, 330B, 330C, 330D, 336D
  • 345, 345C, 345D, 349D, 349E
Related Hydraulic Components
Hydraulic Excavator Seal Kit Parts
  • Hydraulic Cylinder Seal Kit
  • Hydraulic Main Pump Seal Kit
  • Control Valve Seal Kit
  • Center Joint Seal Kit
  • Final Drive Travel Motor Seal Kit
  • Swing Motor Seal Kit
Hydraulic Excavator Parts
  • Centaflex Rubber Coupling
  • Seal Group Components
  • Rubber Oil Seal
  • Rubber O-Ring Kit/Box
  • Hydraulic Cylinder U-Seal
  • Hydraulic Cylinder Piston Seal
  • Hydraulic Cylinder Buffer Ring
  • Hydraulic Cylinder Dust Seal
  • Hydraulic Cylinder Wear Ring
Product Images
OEM 305 306 305.5 Hydraulic Cylinder Seal Kit components and packaging Close-up view of hydraulic cylinder seal kit elements and materials Complete hydraulic cylinder seal kit assembly for excavator applications Technical diagram showing seal kit installation and component placement
Packaging Information

Carton box exterior with protective PP bag interior packaging to ensure component integrity during shipping and storage.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Tianhe Qianjin Midao Oil Seal Firm
Location No.1190 Zhongshan Avenue Middle, Tianhe District, Guangzhou, China
Contact Person Tony Hu

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