Radium AN ORB Fitting Replacement Viton O-Ring 5 Pack
Radium AN ORB Fitting Replacement Viton O-Ring 5 Pack
SKU: SKU: 18-0043-06
More info
Radium AN ORB Fitting Replacement Viton O-Ring
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:
| Part Number | Size | Thread | Qty |
|---|---|---|---|
| 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
