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The Fuelab Diaphragm & O-Ring Kit for 535xx/545xx Series Regulators - All Models is a service component for the exact Fuelab product family stated in this listing. Confirm regulator or component series, seat configuration, material compatibility, and manufacturer part number before disassembly.
Fitment
Universal specification-matched fuel-system component. No year-make-model claim is assigned. Confirm the exact dimensions, interfaces, pressure, flow, fuel, electrical, and system requirements.
Specifications
| Brand | Fuelab |
|---|---|
| Manufacturer Part Number | 14603 |
| Product Type | O-Rings |
| Condition | New |
| Configuration | Diaphragm & O-Ring Kit for 535xx/545xx Series Regulators - All Models |
What's Included
One new Fuelab o-ring in the exact configuration and quantity stated. Supporting pumps, filters, regulators, lines, fittings, seals, wiring, controllers, brackets, fluids, and vehicle installation kits are included only when expressly listed.
About Fuelab
Fuelab develops high-performance fuel pumps, pressure regulators, filters, surge tanks, plumbing, and supporting controls for properly engineered automotive fuel systems.
Related Parts
- Fuelab Diaphragm & O-Ring Kit for 515xx/525xx Series Regulators - Standard Seat
- Fuelab Diaphragm & O-Ring Kit for 515xx/525xx Series Regulators - Large Seat
- Fuelab Bracket & Hardware Kit for 515xx/525xx Series Regulators
- Shop all Fuelab products
Frequently Asked Questions
How do I confirm the Diaphragm & O-Ring Kit for 535xx/545xx Series Regulators - All Models fits my Fuelab component?
Match the exact Fuelab series, seat size, revision, and manufacturer part number. Similar regulator service kits can contain different diaphragms and seals.
Should every seal be replaced during service?
Replace the seals specified by Fuelab for the service procedure and do not reuse damaged, swollen, hardened, or contaminated components.
What should be checked after reassembly?
Set pressure according to the current procedure, inspect every connection, and leak-test the complete system before driving or racing.
Installation Instructions
Relieve fuel pressure and disconnect vehicle power before service. Work in a ventilated area away from ignition sources. Follow Fuelab's current instructions for the exact part number, use compatible lines, fittings, seals, wiring, filters, regulator, mounting hardware, and torque values, then prime and leak-test the complete system before starting the engine.
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