Radium 3/8in SAE Male to 1/8NPT Male - Ford Mustang GT FN 18-21
Radium 3/8in SAE Male to 1/8NPT Male - Ford Mustang GT FN 18-21
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
Vehicle fitment
This part is listed to fit the following vehicles.
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 3/8" SAE Male to 1/8" NPT Male Adapter — Ford Mustang GT Coyote 5.0L (2018-2019)
This adapter fitting (14-0358) is required to connect the OEM direct injection pump feed hose on the Ford Coyote 5.0L V8 direct-injection engine to the Radium fuel rail system. It converts the OEM 3/8" SAE male quick-connect to a 1/8" NPT male port, enabling a clean and reliable fuel system integration with the Radium 20-0433 fuel rails.
Note: 1 fitting included only. Product images may show the fitting installed with a rail kit and OEM manifold for illustration purposes — these are not included.
Vehicle Fitment:
- 2018-2019 Ford Mustang GT — Coyote 5.0L V8 (with Radium 20-0433 Fuel Rails)
Specifications:
- Male side 1: 3/8" SAE Quick Connect Male
- Male side 2: 1/8" NPT Male
- Application: OEM direct injection pump feed hose adapter
Available Part Numbers:
- 14-0358 — 3/8" SAE Male to 1/8" NPT Male Adapter, Ford Mustang GT Coyote 5.0L (2018-2019)
Why Radium Engineering?
- ✅ Manufactured in the USA to motorsport-grade tolerances
- ✅ CNC-machined for precise OEM-to-aftermarket fuel system integration
- ✅ Trusted by tuners and race teams running high-power Coyote 5.0L builds worldwide
- ✅ Direct fitment with Radium 20-0433 fuel rails — no cutting or fabrication required
- ✅ Compatible with E85, ethanol, methanol, pump petrol, and flex fuel applications
Specifications
- Part Number
- 14-0358
- 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.
