Piston Seals — Hydraulic Piston Seal for Hydraulic Cylinder

Hydraulic Piston Seal for Hydraulic Cylinder

Hydraulic Piston Seal Fits Volvo Machine provides reliable double-acting sealing for Volvo excavators and wheel loaders, including 2-piece, 4-piece, and 5-piece piston ring designs, helping prevent leakage, maintain pressure, reduce downtime, and improve hydraulic cylinder performance.

Technical Specifications
Product Type
Hydraulic Piston Seal / Piston Ring Set
Material
NBR, PTFE Bronze, Nylon, backup ring materials; depends on design
1 Set or 1 Bag
Min Order Qty
5-7 days for samll order
Delivery Time
1000 Sets per Week
Supply Capacity
ISO 9001 Certified
Quality Inspected
Global Shipping
T/T · PayPal · WU

Overview

Hydraulic Piston Seal Fits Volvo Machine is designed for Volvo excavators and wheel loaders, providing reliable sealing for hydraulic cylinder piston applications. JSPSEAL offers multiple piston ring configurations, including 2-piece, 4-piece, and 5-piece designs, with materials selected according to specific equipment requirements and working conditions.

For Volvo excavators, JSPO and JSPGW 2-piece or 4-piece piston rings are commonly used, while Volvo loaders often use JSPDAS 5-piece piston rings. The JSPGW four-piece double-acting piston seal includes an NBR seal, bronze-filled PTFE ring, and two split rectangular backup rings, making it suitable for high-pressure cylinders with roller-burnished or honed tubing.

Solution

JSPSEAL provides replacement hydraulic piston seal solutions for Volvo excavators, wheel loaders, and other construction equipment. With nearly 20 years of industry experience and over 1,000 OEM seal references, we support OEM part-number matching, customized specifications, flexible MOQ, fast delivery, and stable supply to help customers reduce leakage, downtime, and maintenance costs.

Key Features

  • Fits Volvo machines
  • Double-acting piston seal
  • Reliable leak prevention
  • Maintains cylinder pressure
  • High-pressure capability
  • Easy installation design

Compatible Equipment Models

ITEM OD ID C
JSOK 25 16 4.2
JSOK 32 21 4.2
JSOK 40 39 42
JSOK 50 39 4.2
JSOK 60 49 4.2
JSOK 70 59 4.2
JSOK 40 26.3 5.8
JSOK 50 34.5 6.3
JSOK 90 74.5 6.3
JSOK 100 84.5 6.3
JSOK 110 94.5 6.3
JSOK 125 109.5 6.3
JSOK 135 119.5 6.3
JSOK 60 41.9 7
JSOK 63 44.7 7
JSOK 70 51.7 7
JSOK 75 54 8
JSOK 80 59 8
JSOK 85 64 8
JSOK 90 69 8
JSOK 95 74 8
JSOK 100 79 8
JSOK 105 84 8
JSOK 115 94 8
JSOK 120 99 8
JSOK 125 104 8
JSOK 130 109 8
JSOK 135 114 8
JSOK 140 119 8
JSOK 145 124 8
JSOK 150 129 8
JSOK 160 139 8
JSOK 165 144 8
JSOK 170 149 8
JSOK 175 154 8
JSOK 180 159 8
JSOK 185 164 8
JSOK 190 169 8
JSOK 200 179 8
JSOK 210 189 8
JSOK 220 199 8
JSOK 230 209 8
JSOK 240 225 8
JSOK 25 229 8
JSOK 260 239 8
JSOK 270 249 8
JSOK 280 255.5 8
JSOK 290 271 9.5
JSOK 300 272 9.5

Shipping Information

We ship worldwide via DHL, FedEx, UPS, TNT, and EMS for small orders, and by sea freight for bulk orders. Standard delivery time is 5–7 working days for small orders and 15–30 days for sea freight.

All products are carefully packaged in neutral packaging with foam protection to prevent damage during transit. Custom packaging with your branding is available for OEM orders.

Payment Terms

We accept multiple payment methods for your convenience. For new customers, we typically require 100% advance payment for small orders. For established partnerships, we offer flexible terms including 30% deposit with balance before shipping.

Accepted Payment Methods

  • T/T (Bank Transfer)
  • Western Union
  • MoneyGram
  • PayPal

Supported File Formats

  • PDF, DWG, DXF, STEP, X_T, IGS, STP

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