Radium NPT Round Internal Hex Plug
Radium NPT Round Internal Hex Plug
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
NPT round internal hex plug engineered by Radium Engineering for sealing unused NPT (National Pipe Thread) ports. This CNC-machined billet aluminum plug features a compact internal hex design for a clean, cosmetic appearance with reliable NPT thread sealing.
Available Part Numbers
- 14-0172: 1/8" NPT Round Internal Hex Plug
- 14-0173: 3/8" NPT Round Internal Hex Plug
Key Features
- ✓ CNC-machined billet aluminum construction
- ✓ Round internal hex design
- ✓ Compact and cosmetic appearance
- ✓ NPT tapered thread sealing
- ✓ Available in 1/8" and 3/8" NPT sizes
- ✓ Professional-grade motorsport component
- Part Numbers: 14-0172, 14-0173
- Construction: CNC-machined billet aluminum
- Design: Round internal hex
- Thread Type: NPT (National Pipe Thread)
- Available Sizes: 1/8" NPT, 3/8" NPT
- Application: Universal NPT ports
Applications
Ideal for sealing unused NPT ports on catch cans, manifolds, turbo oil drains, and other components. Perfect for motorsport, track, or high-performance street builds where clean, reliable NPT port sealing is required.
Benefits
- Internal hex provides clean, low-profile appearance
- NPT tapered threads ensure reliable sealing
- CNC-machined precision ensures proper fitment
- Multiple NPT sizes accommodate various applications
- Professional motorsport-grade construction
Important Note: NPT (National Pipe Thread) fittings seal by the intentional interference created by the tapered threads meshing together. Always use a small amount of PTFE paste or tape on NPT threads and tighten to finger tight, then add another 1.5 to 3 turns until tight.
Fast shipping available throughout Australia. Lead times may vary - contact us for current availability.
Specifications
- Part Number
- 14-0172
- 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.