High quality replacement seals
We offer replacement hydraulic piston seals for most common brands and applications:
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25mm x 4mm - Hydraulic Piston Seal
Regular price $6.00 USDRegular priceUnit price per$5.00 USDSale price $6.00 USD -
30mm x 4mm - Hydraulic Piston Seal
Regular price $7.00 USDRegular priceUnit price per$5.00 USDSale price $7.00 USD -
32mm x 4mm - Hydraulic Piston Seal
Regular price $7.00 USDRegular priceUnit price per$5.00 USDSale price $7.00 USD -
35mm x 4mm - Hydraulic Piston Seal
Regular price $7.00 USDRegular priceUnit price per$5.00 USDSale price $7.00 USD -
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40mm x 4mm - Hydraulic Piston Seal
Regular price $7.00 USDRegular priceUnit price per$5.00 USDSale price $7.00 USDSold out -
45mm x 4mm - Hydraulic Piston Seal
Regular price $7.00 USDRegular priceUnit price per$6.00 USDSale price $7.00 USD -
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50mm x 4mm - Hydraulic Piston Seal
Regular price $7.00 USDRegular priceUnit price per$6.00 USDSale price $7.00 USDSold out -
55mm x 4mm - Hydraulic Piston Seal
Regular price $7.00 USDRegular priceUnit price per$6.00 USDSale price $7.00 USD -
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60mm x 4mm - Hydraulic Piston Seal
Regular price $8.00 USDRegular priceUnit price per$6.00 USDSale price $8.00 USDSold out -
63mm x 4mm - Hydraulic Piston Seal
Regular price $8.00 USDRegular priceUnit price per$6.00 USDSale price $8.00 USD -
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70mm x 4mm - Hydraulic Piston Seal
Regular price $8.00 USDRegular priceUnit price per$6.00 USDSale price $8.00 USDSold out -
75mm x 4mm - Hydraulic Piston Seal
Regular price $8.00 USDRegular priceUnit price per$6.00 USDSale price $8.00 USD -
80mm x 4mm - Hydraulic Piston Seal
Regular price $8.00 USDRegular priceUnit price per$6.00 USDSale price $8.00 USD

Reliable seals that deliver efficient movement with minimal friction and without drift
These dynamic seals are typically single-acting, pressure acting on one side only, and double-acting, pressure acting on both sides, seals. Also known as piston rings, they ensure fluid or other media does not by-pass the piston as the system pressure pushes the piston down the cylinder during a pressure cycle. The choice of piston seal is determined by the way the cylinder operates.
Common applications include agricultural and industrial machinery, automotive applications and off-road equipment, and hydraulic press. Different designs to suit varying operating conditions, with brass filled PTFE outer and Nitrile O-Ring Inner a common setup.
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