We offer replacement hydraulic piston seals for most common brands and applications:
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25mm x 4mm - Hydraulic Piston Seal
Regular price £4.78 GBPRegular priceUnit price per£3.59 GBPSale price £4.78 GBP -
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30mm x 4mm - Hydraulic Piston Seal
Regular price £4.89 GBPRegular priceUnit price per£3.69 GBPSale price £4.89 GBPSold out -
32mm x 4mm - Hydraulic Piston Seal
Regular price £4.99 GBPRegular priceUnit price per£3.79 GBPSale price £4.99 GBP -
35mm x 4mm - Hydraulic Piston Seal
Regular price £5.10 GBPRegular priceUnit price per£3.89 GBPSale price £5.10 GBP -
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40mm x 4mm - Hydraulic Piston Seal
Regular price £5.21 GBPRegular priceUnit price per£3.99 GBPSale price £5.21 GBPSold out -
45mm x 4mm - Hydraulic Piston Seal
Regular price £5.32 GBPRegular priceUnit price per£4.09 GBPSale price £5.32 GBP -
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50mm x 4mm - Hydraulic Piston Seal
Regular price £5.43 GBPRegular priceUnit price per£4.19 GBPSale price £5.43 GBPSold out -
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55mm x 4mm - Hydraulic Piston Seal
Regular price £5.53 GBPRegular priceUnit price per£4.29 GBPSale price £5.53 GBPSold out -
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60mm x 4mm - Hydraulic Piston Seal
Regular price £5.64 GBPRegular priceUnit price per£4.39 GBPSale price £5.64 GBPSold out -
63mm x 4mm - Hydraulic Piston Seal
Regular price £5.75 GBPRegular priceUnit price per£4.49 GBPSale price £5.75 GBP -
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70mm x 4mm - Hydraulic Piston Seal
Regular price £5.86 GBPRegular priceUnit price per£4.59 GBPSale price £5.86 GBPSold out -
75mm x 4mm - Hydraulic Piston Seal
Regular price £5.97 GBPRegular priceUnit price per£4.69 GBPSale price £5.97 GBP -
80mm x 4mm - Hydraulic Piston Seal
Regular price £6.07 GBPRegular priceUnit price per£4.79 GBPSale price £6.07 GBP

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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