Summary
This APEX Design USA aluminium cover nut is the replacement finishing piece for 3/8 inch APEX hose fittings. Rebuild a hose or lose a nut mid-job and this restores the dressed, protected junction the system ships with - in the aluminium finish that matches the rest of the hardware.
Best For
- Replacing a lost or damaged cover nut on 3/8 APEX hose fittings
- Finishing hose rebuilds and shortening jobs properly
Key Specs
- Manufacturer: APEX Design USA
- Product Type: Aluminium cover nut
- SKU: X02-03-024
- Compatibility: 3/8 in APEX hose fittings
Fitment And Setup Checks
Confirm your fittings are APEX 3/8 hose hardware before ordering. Slide the nut on before assembling the fitting and snug it home to finish the joint.
Technical Specifications
| Manufacturer | APEX Design USA |
| Product Type | Cover nut, aluminium |
| SKU | X02-03-024 |
| Compatibility | APEX 3/8 hose fittings |
Frequently Asked Questions
Is this different from the standard cover nut?
This is the aluminium version for 3/8 APEX hose fittings - check which nut your fitting carries before ordering.
All the hose hardware lives in the air system accessories range.
Ready to order?
Add APEX Design USA Aluminium 3/8 Hose Cover Nut to your build
Add to cart now. If fitment is unclear, send us your vehicle, setup and goal before ordering.

Hoonies Garage
Tell us what you are building
Hoonies Garage is a quieter way to get useful updates. Share the vehicle family, build direction and mods already fitted, then we can send fewer, better product drops and fitment notes.
- Save the vehicle family and build direction
- Tell us the mods already fitted
- Choose the updates that would actually help
Need help with this product?
Send us your vehicle, current setup and what you want the product to do before ordering. We will help confirm fitment, product choice or the next step.