
Radium Engineering Fuel Rail Plumbing Kit for Mazda MX-5 NB 1998-2005
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Description
Radium Fuel Rail Plumbing Kit - Mazda MX-5 NB 98-05
Application: Mazda MX-5 NB 1.8L BP (1999-2005) with Radium 20-0369 fuel rail
Part Type: Fuel rail plumbing kit
Part Number: 20-0423
The Radium Fuel Rail Plumbing Kit is a bolt-on, plug-and-play add-on for the Radium 20-0369 MX-5 fuel rail on 1999-2005 MX-5s. It allows the rail to directly replace the OEM fuel rail system while retaining the OEM fuel pulse damper and fuel feed hose.
Key Features
- Plug-and-Play: Bolt-on add-on for the Radium 20-0369 rail
- Retains OEM Damper: Keeps the factory fuel pulse damper
- Retains OEM Feed Hose: 5/16" SAE to 6AN adapter connects the factory feed hose
- Complete Kit: All required adapter fittings included
What's Included
- 5/16" SAE to 6AN male fitting
- 8AN ORB plug
- 8AN ORB to 6AN male fitting
- 6AN female-to-female coupler
- OEM pulse damper adapter fitting
Optional Parts
- Radium Fuel Rail, 94-05 Mazda MX-5 (20-0369) – Required – the Radium fuel rail this kit plumbs
Important Notes
- Fuel rail not included – designed for the Radium 20-0369 rail
- If equipped, the EGR must be removed for the OEM fuel pulse damper to fit
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Mazda MX-5 NB with 1.8L BP engine (1999-2005)
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.

