Radium Diaphragm Service Replacement FPD
Radium Diaphragm Service Replacement FPD
Universal fit
No vehicle selection needed.
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Fitment not confirmed
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
In Melbourne? Fit it in our workshop.
We fit parts in-house at the RevZone workshop. Book a time and bring your car in.
Description
Radium Diaphragm Service Replacement — FPD-R / FPD-XR Fuel Pulse Damper
This is a genuine Radium Engineering replacement diaphragm for the Radium fuel pulse damper range. The diaphragm is a critical internal component of the FPD assembly, absorbing fuel pressure pulses generated by the fuel pump to deliver smooth, consistent fuel pressure to the injectors — particularly important in high-demand, high-horsepower applications.
Replacing the diaphragm at regular service intervals ensures the FPD continues to perform at its rated specification. An essential spare part for any build running a Radium FPD-R or FPD-XR.
Compatible With:
- Radium FPD-R — Fuel Pulse Damper (Range)
- Radium FPD-XR — Fuel Pulse Damper (Extra Range)
Available Part Numbers:
- 18-0018 — Diaphragm Service Replacement, Radium FPD-R / FPD-XR
Why Radium Engineering?
- ✅ Manufactured in the USA to motorsport-grade tolerances
- ✅ OEM-spec replacement diaphragm for consistent FPD performance
- ✅ Trusted by tuners and race teams running high-power builds worldwide
- ✅ Direct drop-in replacement — no modification required
- ✅ Compatible with E85, ethanol, methanol, pump petrol, and flex fuel applications
Specifications
- Part Number
- 18-0018
- Brand
- Radium Engineering
Shipping
Orders are processed within 1-2 business days (Monday to Friday), and orders placed before 12pm AEST are usually dispatched the same day. Once dispatched, standard shipping takes 3-7 business days and express 1-3, with tracking emailed as your order leaves.
If part of your order is out of stock, we'll contact you with the option to split the shipment or hold it until everything is ready. Read the full shipping policy.
Returns
You have 14 days from delivery to request a return on unused parts in their original packaging. Refunds incur a 15% restocking fee (20% for special orders), or choose store credit and the full purchase value is applied to your account.
Parts that have been test fitted, installed, or used can't be returned, and special-order or overseas-ordered items are assessed case by case. Faulty or incorrectly supplied items are always covered at no cost to you. Read the full returns policy.