Fuelab Diaphragm and O-Ring Kit for 515xx and 525xx Series Regulators; Large Seat (Universal; Some Adaptation May Be Required)

Regulator Repair Solution. The Fuelab Diaphragm and O-Ring Kit for 515xx and 525xx Series Regulators with Large Seat is designed to restore the sealing and functional integrity of the fuel pressure regulator. This kit provides essential internal components to maintain consistent fuel pressure and ensure optimal regulator performance. It is vital for extending the service life of the regulator and preventing fuel leaks or pressure fluctuations.

Construction and Appearance. The kit includes precisely molded diaphragm and O-rings made from durable materials resistant to fuel and heat exposure. The components are engineered for a snug fit and long-term reliability. The finish is typically a functional, plain black or natural rubber texture designed for effective sealing rather than aesthetic appeal.

Installation. Installation is straightforward and requires basic mechanical knowledge, with no need for drilling or modifications. The kit is designed to fit directly into compatible Fuelab regulators, providing a simple maintenance upgrade.

Warranty. This product includes a limited lifetime warranty to protect against manufacturing defects and ensure customer confidence in longevity and performance. Application. Fits Fuelab 515xx, 525xx (Large Seat), and 595xx Series regulators; some adaptation may be required.

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