This listing is for a Chesterton 442 Split Mechanical Seal Kit designed for a 90mm shaft and built with CR/CB (Carbon/Ceramic or Silicon Carbide) seal faces and EPDM elastomer. It’s a premium split mechanical seal solution for pumps in marine, industrial, and chemical service. This kit appears complete based on visual inspection and includes all major components as shown in the photos (rotary and stationary seal halves, O-rings, installation tools, screws, and manuals). Buyers are advised to verify compatibility and completeness with their specific application and refer to Chesterton documentation for part number 683290 prior to installation. Keywords: Chesterton 442 seal kit 90mm, 683290 seal kit, CR/CB EPDM seal, split mechanical seal new surplus, marine pump seal, industrial shaft seal.
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