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Radium 6AN ORB to 8AN Male Fitting vs Radium 6AN ORB to 6AN Male Fitting

Both are Radium Engineering 6AN ORB adapter fittings in anodized billet aluminum with FKM O-rings. The difference is the outlet: the 14-0245 steps up to 8AN male, while the other keeps 6AN male. Buy the 14-0245 only if the hose or component downstream is 8AN. If everything in your fuel or oil system is 6AN, the 6AN-to-6AN fitting is the correct, simpler part. Owners of Radium fittings rate the machining and sealing well; the trade-off is that a step-up fitting adds one size change to the line.

  • Choose the Radium 14-0245 if your port is 6AN ORB and the hose end or component you are connecting is 8AN male.
  • Choose the Radium 6AN ORB to 6AN Male fitting if your port is 6AN ORB and the rest of the line is 6AN, so no size change is needed.

Prices

  • Radium 6AN ORB to 8AN Male Fitting: $12.00 at Radiumshop (last seen Nov 13)
  • Radium 6AN ORB to 6AN Male Fitting: $9.45 at eliteracefab.com (last seen Nov 13)
  • Difference: the Radium 6AN ORB to 6AN Male Fitting is $2.55 cheaper than the Radium 6AN ORB to 8AN Male Fitting at the latest prices (Nov 13)
Radium Engineering
RADIUM Engineering 14-0245 6AN ORB 8AN M

Radium 6AN ORB to 8AN Male Fitting

RADIUM Engineering 14-0245 6AN ORB 8AN M

$12.00at RadiumshopChecked Nov 13
See all prices and details
Visit Radiumshop
Pros
  • Converts a 6AN ORB port to an 8AN male connection in one fitting
  • Billet aluminum with FKM O-ring, suited to fuel and oil
  • Made in the United States
  • Fewer joints than stacking two adapters
Cons
  • Only useful if the downstream side is 8AN
  • Adds a size change that some builds do not need
  • Larger outlet can crowd tight routing
Radium Engineering
Radium Engineering 6AN ORB to 6AN Male Fitting

Radium 6AN ORB to 6AN Male Fitting

Radium Engineering 6AN ORB to 6AN Male Fitting

$9.45at eliteracefab.comChecked Nov 13
See all prices and details
Visit eliteracefab.com
Pros
  • Direct 6AN ORB to 6AN male connection with no size change
  • Fits any 9/16"-18 O-ring port
  • FKM O-ring handles oil and fuel
  • Simple, common part for 6AN fuel and oil systems
Cons
  • Cannot feed an 8AN hose or component
  • Country of origin not stated on the listing
  • Same fitting is widely copied, so check the Radium marking

What separates them

Radium 6AN ORB to 8AN Male FittingRadium 6AN ORB to 6AN Male Fitting
Outlet size8AN male6AN male
Inlet6AN ORB (9/16"-18 O-ring port)6AN ORB (9/16"-18 O-ring port)
FunctionSteps the line up from 6AN to 8ANKeeps the line at 6AN
MaterialAnodized billet aluminumAnodized billet aluminum
O-ringFKM (Viton), oil and fuel compatibleFKM (Viton), oil and fuel compatible
FitOnly works where the mating side is 8ANWorks with standard 6AN hose ends and adapters
Country of originUnited StatesNot stated on the listing

Price history

$24.66$9.45
Nov 6Nov 13
  • Radium 6AN ORB to 8AN Male Fitting: lowest $24.66 on Nov 6 at Amazon; $24.66 on Nov 13.
  • Radium 6AN ORB to 6AN Male Fitting: lowest $9.45 on Nov 13 at MAPerformance.

Prices at every store

Radium 6AN ORB to 8AN Male Fitting

  • RadiumshopNew

    In stockShips from the UK · duties may applyReturn policy

    $12.00Checked Nov 13
    Visit Radiumshop
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $24.66Free shippingChecked Nov 13
    Visit Amazon

Also available at

  • FR SPORTCheck price at FR SPORT
  • Milky MotorsportsCheck price at Milky Motorsports
  • Lethal PerformanceCheck price at Lethal Performance

Store links may earn us a commission.

All 2 stores and price history →

Radium 6AN ORB to 6AN Male Fitting

  • Park Auto MotorsportsNew

    In stockShips from Canada · priced in CAD (CA$12.95) · duties may applyReturn policy

    $9.09Checked Nov 13
    Visit Park Auto Motorsports
  • eliteracefab.comNew

    In stockReturn policy

    $9.45Checked Nov 13
    Visit eliteracefab.com
  • Drift HQNew

    In stock

    $9.45+ $11.90 shippingChecked Nov 13
    Visit Drift HQ
  • MAPerformanceNew

    In stock

    $9.45+ $29.90 shippingChecked Nov 13
    Visit MAPerformance

Also available at

  • MAPerformanceCheck price at MAPerformance
  • Drift HQCheck price at Drift HQ
All 21 stores and price history →

Questions and answers

Which one do I need for a 6AN fuel line?
If both ends are 6AN, take the 6AN ORB to 6AN male fitting. The 14-0245 is only for going from a 6AN port to an 8AN hose or component.
Can I use the 14-0245 to feed an 8AN hose from a 6AN port?
Yes. That is exactly what it is for: 6AN ORB on the port side, 8AN male on the outlet.
Are the O-rings fuel safe?
Yes. Both use FKM (Viton) O-rings, which Radium specifies for oil and fuel.
Do both fit the same port?
Yes. Both screw into a 9/16"-18 O-ring boss port, the same thread as 6AN ORB.
Is the step-up fitting worth it over two adapters?
Yes, if you need the size change. One fitting means one fewer joint and less chance of a leak.
Which lasts longer?
Both are billet aluminum with FKM O-rings, so life depends on installation and fluid, not on the part. Replace the O-ring if it hardens or leaks.

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  • Radium Engineering 8AN ORB Plug - Universal vs Radium Engineering 6AN ORB to 6AN Male Fitting