O-rings Various Applications

This category includes a wide selection of O-rings, seals, sleeves, and similar rubber or metal components used for sealing and spacing in diesel systems. Most items come from manufacturers like Bosch and Ambac International. The O-rings vary in diameter, thickness, and material type — some are made for high-pressure diesel injection systems, others are basic sealing rings for general use.

Besides standard black or brown O-rings, the page includes more specialized parts such as spring sleeves, seal rings, and even extension springs. Some are listed for specific applications like Cummins engines or Dodge 5.9L, while others are general-purpose components.