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We primarily stock rod buffer seals, though piston buffer seals are available upon request. Buffer seals are commonly used in combination with another rod or piston seal, typically a U-cup style seal. Buffer seals in rod applications are designed to absorb pressure fluctuations when working under high-load conditions, this increases the lifespan of a rod seal.


Product Profiles
R (TFE) RM RB RS
Imperial Imperial Imperial Imperial
MR Style MR w/pressure
Relief Port (PR)
S Style
Metric Metric Metric



Caterpillar Equivalent Styles
One Piece Two Piece
Imperial Imperial