Tucks Performance
AN Bulkhead Fitting Firewall AN3 AN4 AN6 AN8 AN10 AN12, Male to Male with Nut, 2 Pack
AN Bulkhead Fitting Firewall AN3 AN4 AN6 AN8 AN10 AN12, Male to Male with Nut, 2 Pack
Regular price
$24.99
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$24.99
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Take a fuel, oil or brake line through the firewall, tub or a panel cleanly. Male AN both ends with a jam nut to lock it in place. Two per pack.
- Sizes: AN3, AN4, AN6, AN8, AN10, AN12
- Male to male, straight
- Jam nut included
- 2 pack
AN size chart
| Size | Tube / hose size | Approx. mm | Thread |
|---|---|---|---|
| AN3 | 3/16" | 4.8 mm | 3/8"-24 |
| AN4 | 1/4" | 6.4 mm | 7/16"-20 |
| AN6 | 3/8" | 9.5 mm | 9/16"-18 |
| AN8 | 1/2" | 12.7 mm | 3/4"-16 |
| AN10 | 5/8" | 15.9 mm | 7/8"-14 |
| AN12 | 3/4" | 19.1 mm | 1-1/16"-12 |
Frequently asked questions
How do I tell what size my AN fitting is?
Measure the outside of the male thread and match it to the size chart above. For example, 9/16" (about 14.3 mm) across the thread is AN6, and 3/4" (19 mm) is AN8.
Do AN fittings need thread tape or sealant?
No. The seal is made on the 37 degree flare, not the thread, so keep tape and sealant off the AN side. Only the NPT (tapered pipe) end of an adapter needs sealant.
How tight should AN fittings be?
Snug them up by hand, then about a quarter turn with a proper AN spanner. Aluminium fittings do not need much. Over-tightening can crack the flare.
Quality and warranty
- Made in China, precision CNC-machined from solid aluminium, not cheap cast or pot-metal fittings
- Tough anodised finish, clean threads and true 37 degree flares that seal properly
- 2-year repair or replacement warranty against defects in materials and workmanship, on top of your rights under Australian Consumer Law
- Sold and backed by Tucks Performance, an Australian-owned business. Not sure what you need? Send us a message
Delivery: ships direct from our supplier partner, usually 10 to 20 days.
