Radium Diaphragm Service Replacement FPR
Radium Diaphragm Service Replacement FPR
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 FPR Diaphragm Service Replacement
This is a genuine Radium Engineering replacement diaphragm for use in Radium fuel pressure regulators. The diaphragm is a critical internal component that controls fuel pressure response — over time or with aggressive fuel use, it may require replacement to maintain accurate and consistent fuel pressure regulation. An essential service part for any build running a Radium MPR, FST-R, or DMR.
Compatible With:
- Radium MPR (Multi-Pump Regulator)
- Radium FST-R (Fuel Surge Tank with Regulator)
- Radium DMR (Direct Mount Regulator)
Available Part Numbers:
- 18-0017 — FPR Diaphragm Service Replacement (suits MPR, FST-R, DMR)
Why Radium Engineering?
- ✅ Manufactured in the USA to motorsport-grade tolerances
- ✅ Genuine Radium replacement diaphragm for accurate fuel pressure regulation
- ✅ Trusted by tuners and race teams running high-power builds worldwide
- ✅ Direct service replacement for Radium MPR, FST-R, and DMR regulators
- ✅ Compatible with E85, ethanol, methanol, pump petrol, and flex fuel applications
Specifications
- Part Number
- 18-0017
- 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.