Gaskets o rings comes with smallest and least expensive parts for a compressor, o-rings and gaskets may very well be the most important parts. without compressor o-rings the pressure running through the lines is enough to render the entire machine useless, in addition, air compressor gaskets are required to hold the seals between the various components. Your new or rebuilt air compressor will come with new o-rings and gaskets, but they will not last forever. When buying replacement o-rings and gaskets, its important to understand few basic concepts about them. First, they must be the correct size and have specific dimensions, including inner diameter and cross section diameter. They also must be made of a material that can withtand the pressure created by an air compressor. When you need o-rings and gaskets quickly at affordable prices, Industrial compressor supplies can't be topped. Discover the wide selection available. Popular brands we carry include ingersoll rand, atlas copco and quincy.