Radium AN ORB Fitting Replacement Viton O-Ring 5 Pack
Radium AN ORB Fitting Replacement Viton O-Ring 5 Pack
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
These are genuine Radium Engineering replacement FKM Viton O-rings designed for AN ORB (O-Ring Boss) fittings. Viton (FKM) is the preferred sealing material for high-performance fuel systems — offering superior resistance to fuels, oils, and high temperatures compared to standard rubber O-rings. Compatible with E85, ethanol, methanol, and all common fuel types.
Available in individual 5-packs for 6AN, 8AN, and 10AN ORB fittings, or as a convenient 15-piece multi-pack covering all three sizes (5 of each). An essential service item for any build running Radium or aftermarket AN ORB fittings.
Suits: Universal — all AN ORB (O-Ring Boss) fittings in 6AN, 8AN, and 10AN sizes
Available Part Numbers:
- 18-0043-06 — 6AN ORB — 9/16-18 — 5-Pack
- 18-0043-08 — 8AN ORB — 3/4-16 — 5-Pack
- 18-0043-10 — 10AN ORB — 7/8-14 — 5-Pack
- 18-0043 — 6AN / 8AN / 10AN ORB — All three sizes — 15-Pack (5 of each)
Why Radium Engineering?
- ✅ Manufactured in the USA to motorsport-grade tolerances
- ✅ FKM Viton material — superior fuel, oil, and heat resistance vs standard rubber
- ✅ Trusted by tuners and race teams running high-power builds worldwide
- ✅ Direct replacement for all AN ORB fittings — no modification required
- ✅ Compatible with E85, ethanol, methanol, pump petrol, and flex fuel applications
Specifications
- Part Number
- 18-0043-06
- 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.