Fuelab Diaphragm & O-Ring Kit for 535xx/545xx Series Regulators

Fuelab Diaphragm & O-Ring Kit for 535xx/545xx Series Regulators Restore peak performance to your Fuelab 535xx/545xx series fuel pressure regulator with this complete diaphragm and O‑ring service kit. Designed for all models in the 535xx and 545xx families, the kit provides OEM‑quality replacement components to maintain accurate fuel pressure, prevent leaks, and extend regulator life. Compatible: All Fuelab 535xx and 545xx series regulators Contents: Durable replacement diaphragm(s) and a full set of precision O‑rings Quality materials: Fuel-resistant elastomers and reinforced diaphragm materials for long service intervals Easy installation: Service-friendly kit for routine maintenance or rebuilds Benefits: Restores sealing integrity, ensures consistent fuel pressure, reduces risk of vapor leaks Keep your fuel system reliable and efficient with genuine Fuelab replacement parts. Ideal for performance vehicles, racing applications, and preventive maintenance. Always follow Fuelab service instructions when installing the kit.