Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Fuelab / New

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

Fuelab · New

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

MPN 14603 · Store SKU flb14603

$28.00
IN STOCK4 ready to ship

Supplier stock checked 11/8/2026, 1:19:40 AM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

Diaphragm/O-Ring Kit for 535xx and 545xx Series Regulators, All models Diaphragm O-Ring Kit for 535xx and 545xx Series

Manufacturer fitment & guides

  • Universal
  • Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.

Part-specific notes

  • California Proposition 65: Y

Manufacturer documents

More from Fuelab ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your cart.