The Mosmatic 36.916 Seal Kit is a genuine replacement kit designed for use with Mosmatic swivels and rotary unions that have a nominal width (NW) of 1/4". This kit includes high-quality seals and O-rings specifically manufactured to restore full sealing performance, prolong the life of your swivel, and prevent leaks in high-pressure applications.
Made with durable, chemical-resistant materials such as NBR (nitrile) or Viton, the kit ensures reliable operation even under extreme conditions. It's ideal for preventive maintenance or field repair of worn swivel internals.
Applications
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Compatible with Mosmatic swivels sized NW 1/4"
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Suitable for pressure washer swivels
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Preventive maintenance or rebuilds
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Field replacement to restore leak-free operation
Features
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Genuine Mosmatic replacement parts
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Compatible with high-pressure swivels (up to 5000 psi)
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Includes O-rings and seals sized for NW 1/4" fittings
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Extends the life of the swivel and maintains peak performance
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Easy to install with basic tools
