Skip to content
OCTOBER SAVINGS SALE ON NOW!!!
OCTOBER SAVINGS SALE ON NOW!!!

Radium Engineering Fuel Rail - Mazda 3 MPS BK/BL/Mazda 6 MPS GG

SKU 20-0503-02
Original price $261.99 - Original price $261.99
Original price
$261.99
$261.99 - $261.99
Current price $261.99
Fast & Free Shipping On orders over $150 (excl some bulky items)
Fitment Guarantee When using our parts finder
Local Support Australian based support 24/7

Radium Fuel Rail - Mazda 3 MPS BK/BL/Mazda 6 MPS GG

Application: Mazda MZR 2.0L and Ford Duratec 2.0L / 2.3L DOHC I4
Part Type: Fuel rail
Part Number: 20-0503-02


The Radium fuel rail for Mazda MZR and Ford Duratec engines is CNC-machined from extruded 6063 aluminium, black anodised and laser etched. Its 14mm ID injector bores accept the factory injectors, and provisions for the OEM injector retaining clips are retained.

The ports are tapped 8AN ORB, and spacers and washers thermally insulate the rail from the cylinder head. It is compatible with all fuel types including E85.


Key Features

  • Extruded 6063 Aluminium: CNC-machined, black anodised and laser etched
  • OEM Injector Compatible: 14mm ID injector bores with OEM retaining clip provisions
  • 8AN ORB Ports: For fittings, regulators, dampers or gauges
  • Thermal Insulation: Spacers and washers insulate the rail from the cylinder head
  • Fuel Compatibility: All fuel types including E85

What's Included

  • Anodised, laser-etched fuel rail
  • Stainless steel mounting hardware
  • Thermal insulating spacers and washers

Optional Parts

  • Radium Fuel Rail Plumbing - Mazda 3 MPS BK/BL/Mazda 6 MPS GG (20-0503-PK) - plugs and SAE fitting to make this rail a direct OEM replacement
  • Radium Ford Sensor Adapter, 8AN ORB, 16mm Bore, 41mm Offset Spacing, M5 (20-1303) - adapts the OEM Bosch fuel pressure sensor on early (2005-2009) Ford Focus / (2005-2008) Escape

Important Notes

  • Upgrade rail - requires OEM or OEM-equivalent injectors (same height and upper/lower O-ring diameters and styles); Radium does not recommend specific injectors
  • Radium lists this rail for 2.0L Mazda MZR and 2.0L/2.3L Ford Duratec engines - it is not listed for the Mazda 3 MPS / Mazda 6 MPS turbo engine, contact us to confirm fitment
  • Choose fittings to suit your application and allow ample clearance around the rail ports for regulators, gauges and dampers
  • Installation instructions are available in the Instructions tab

Vehicle Fitment

  • Mazda MZR 2.0L DOHC I4 (commonly Mazda MX-5 NC, 2005-2015)
  • Ford Duratec 2.0L DOHC I4 (commonly Ford Focus)
  • Ford Duratec 2.3L DOHC I4 (commonly Ford Focus)

For application support, send your vehicle details to TJ Auto Parts through the Parts Finder.

Supplier-listed applications:
- Mazda MZR 2.0L DOHC I4 (commonly Mazda MX-5 NC, 2005-2015)
- Ford Duratec 2.0L DOHC I4 (commonly Ford Focus)
- Ford Duratec 2.3L DOHC I4 (commonly Ford Focus)

Note: Compatibility information is provided as a general guide only. Some vehicles may have multiple part variations for the same model or engine. To ensure this product is the correct fit and to be eligible for our Fitment Guarantee, please contact our team before purchasing.

Can’t find the part you’re looking for?
If you can’t find the part you need, please fill out our Fitment Finder or visit our Contact Us page. One of our expert team members will respond promptly to assist with your enquiry.

How do I make payment?
Payment is completed during checkout. We accept all major payment methods via Shopify Payments including credit/debit cards, Apple Pay, Google Pay, and more. Direct bank transfer is also available please contact us at contact@tjautoparts.com.au for bank details and instructions.

How long will it take to process my order?
We aim to process and dispatch all orders within 1–2 business days. If there are any delays, we will notify you promptly via email.

What if I’ve seen a cheaper price elsewhere?
We always aim to offer the best value. If you’ve found a better price elsewhere, get in touch with us and we’ll do our best to match or beat it.

Where do the products come from?
All products are sourced directly from the manufacturer or authorised suppliers to ensure authenticity. Every item is backed by the manufacturer’s warranty.

Do you offer trade accounts or special pricing?
Yes, we offer trade accounts and pricing for qualified customers. To find out more or apply, simply email us at contact@tjautoparts.com.au and our team will assist you.

To see more FAQs visit our FAQs page or get in touch today.

Shipping Rates
We offer free standard shipping on all orders over $150 (excluding bulky items). For orders under $150. Standard shipping starts at $9.95. Express shipping starts at $14.95. Shipping costs can be calculated in the cart or at checkout. Orders containing bulky items such as batteries, brake discs, liquids, and lift kits may incur additional shipping charges, particularly to remote or regional areas.

Dispatch & Handling
We aim to process and dispatch all orders within 1-2 business days. In the event of any delays, our customer service team will notify you. Tracking numbers are sent via email once your order has been dispatched and can also be accessed from your account.

For enquires on same day delivery or pickup, please contact our team before ordering to check availability. Custom or order in only items may have longer lead times. For more details on shipping, see our Delivery information page.

Returns and Refunds
If you change your mind or need to cancel an order, simply contact us at contact@tjautoparts.com.au within 30 days of delivery. Items should be unused and in their original packaging. A small restocking/admin fee of 5–20% may apply to help cover processing costs. This fee is only applicable at the discretion of our staff and may not apply to all orders. Return shipping is covered by you unless we sent the wrong or faulty item, in which case we’ll take care of it. Once we receive your return, refunds are processed quickly, usually within 48 hours, with up to 5 business days for your bank to complete the transfer.

We’re here to help make returns easy and hassle free! Contact us with any questions.

Warranty
All products come with the manufacturer’s warranty. If you experience any issues, please contact us at contact@tjautoparts.com.au. For full details on warranty coverage and claims, please visit our Returns page.

Fast & Free Shipping On orders over $150 (excl some bulky items)
Fitment Guarantee When using our parts finder
Local Support Australian based support 24/7