AN-NPT Fittings and Components
Circle Track AN NPT Fittings and Components at JJ Motorsports
AN-NPT fittings and components bridge the gap between different thread standards, offering flexibility in your fluid system design. Known for their versatility, they ensure a snug fit and efficient flow. Pair them with additional high-performance system fittings to create a strong, fully integrated setup.
Shop trusted brands like Fragola for push-lock options, Aeroquip for socketless fittings. Explore related categories such as High-Performance System Fittings for complete fluid system solutions or Circle Track Hoses for matching lines.
Top Circle Track AN NPT Fittings and Components
- Aeroquip Fuel Cell Bulkhead Fitting (8 AN) Kit with Sealing Washers Nut Aluminum Black – Kit includes bulkhead fitting, nut, and sealing washers. Straight 8 AN male to 8 AN male bulkhead, aluminum, black anodized.
- Aeroquip Fuel Cell Bulkhead Fitting (10 AN) Kit with Sealing Washers Nut Aluminum Black – Kit includes bulkhead fitting, nut, and sealing washers. Straight 10 AN male to 10 AN male bulkhead, aluminum, black anodized.
- Radiator Neck Fitting - 1/8" NPT to 1/4" Hose Barb Brass Adapter for Automotive Cooling Systems – Provides a secure connection between 1/8-inch NPT male thread and 1/4-inch hose barb for automotive cooling systems.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Earls #3 90 Male > Female Swiv 921103ERL
EARLS
$38.37When you're running tight fuel or coolant lines through a confined engine bay, routing flexibility is everything. This Earl's 90-degree adapter lets you change line direction without kinking or pinching hoses, maintaining consistent flow and system...EAR921103ERL- SKU:
- EAR921103ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 921103ERL
$38.37 -
Earls #8 Female An To 3/8in Npt 916108ERL
EARLS
$20.07When you're running high-pressure fuel, coolant, or hydraulic lines, mismatched fitting sizes create leaks and system failures. This Earls adapter bridges the gap between AN and NPT thread standards, giving you a reliable solution for custom fuel system...EAR916108ERL- SKU:
- EAR916108ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 916108ERL
$20.07 -
Earls #6 Female An To 1/4in Npt 916106ERL
EARLS
$17.22When you're running a fuel system, cooling circuit, or fluid line that bridges -6 AN and 1/4" NPT ports, this adapter eliminates the guesswork and guarantees a leak-free connection. The swivel female end accepts your AN hose while the NPT male threads...EAR916106ERL- SKU:
- EAR916106ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 916106ERL
$17.22 -
Earls #4 Female An To 1/8in Npt 916104ERL
EARLS
$17.22When you're building custom fluid lines for forced induction, fuel systems, or cooling loops, you need adapters that won't leak under pressure. This Earls #4 Female AN to 1/8in NPT fitting bridges the gap between industry-standard AN plumbing and NPT...EAR916104ERL- SKU:
- EAR916104ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- 916104ERL
$17.22 -
Earls #3 Female An To 1/8in Npt 916103ERL
EARLS
$21.53When you're running fluid lines in a high-performance setup, mismatched fittings create leaks, pressure drops, and wasted horsepower. This Earls adapter bridges the gap between AN and NPT systems, giving you a reliable, sealed connection without custom...EAR916103ERL- SKU:
- EAR916103ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 916103ERL
$21.53 -
Earls #8 To #6 Female Swivel 915186ERL
EARLS
$17.20When you're running custom fuel, coolant, or brake lines in a tight engine bay, adapter fittings are non-negotiable. This Earls swivel adapter lets you step down from #8 AN to #6 AN without sacrificing flow or introducing leaks—essential for cleanly...EAR915186ERL- SKU:
- EAR915186ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- 915186ERL
$17.20 -
Earls #10 Female Swivel 915110ERL
EARLS
$21.50When you're running a tight fuel or coolant line setup, adapter fittings are non-negotiable—they eliminate unnecessary hose runs, reduce leak points, and keep your plumbing clean and organized. The Earls #10 Female Swivel delivers the reliability you...EAR915110ERL- SKU:
- EAR915110ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 915110ERL
$21.50 -
Earls #8 Female Swivel 915108ERL
EARLS
$17.21When building or maintaining a high-performance fuel system, hydraulic line, or custom fluid circuit, connection reliability is non-negotiable. The Earls #8 Female Swivel 915108ERL provides a secure, leak-free union between two 8 AN female ports, with a...EAR915108ERL- SKU:
- EAR915108ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 915108ERL
$17.21 -
Earls #6 Female Swivel 915106ERL
EARLS
$14.28When you're routing high-pressure fuel or coolant lines through a tight engine bay, directional changes matter—and a quality swivel fitting ensures your lines stay secure without binding or leaking. The Earls #6 Female Swivel gives you the flexibility to...EAR915106ERL- SKU:
- EAR915106ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 915106ERL
$14.28 -
Earls #3an Female To #3 Female 915103ERL
EARLS
$15.79When you're building a fuel, coolant, or brake system, proper line routing and connection points matter. This Earls adapter gives you the flexibility to transition between #3 AN female ports without compromising flow integrity or requiring additional...EAR915103ERL- SKU:
- EAR915103ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 915103ERL
$15.79 -
Earls #3 > 10mmf Caliper Adapt (2pk) #3 to 10mm 592032ERL
EARLS
$22.15When you're running a precision fuel system or brake line setup, adapter fittings are non-negotiable—mismatched thread sizes create leaks and compromise reliability under pressure. The Earls #3 > 10mmf Caliper Adapter delivers a direct, leak-free...EAR592032ERL- SKU:
- EAR592032ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- 592032ERL
$22.15 -
Earls #4 > 3/8-24 Calip. Adapt 591982ERL
EARLS
$24.42If you're running a custom brake or clutch line setup, you need reliable fittings that won't leak under pressure. This Earls adapter bridges the gap between modern AN plumbing and classic inverted flare systems, giving you the flexibility to integrate...EAR591982ERL- SKU:
- EAR591982ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 591982ERL
$24.42 -
Earls #4 > 3/8-24 Calip. Adapt 591972ERL
EARLS
$24.42If you're running a brake system that requires precision hose routing and secure connections, this adapter eliminates guesswork and potential leaks at the caliper. The 4 AN to 3/8-24 inverted flare configuration ensures compatibility with classic and...EAR591972ERL- SKU:
- EAR591972ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 591972ERL
$24.42 -
Earls #4 > 7/16-24 Calip. Adap 591942ERL
EARLS
$25.85Whether you're upgrading your brake line routing or integrating a new forced-induction cooling system, reliable adapter fittings are non-negotiable. These Earls adapters bridge the gap between 4 AN hardline and 7/16-24 inverted flare connections with...EAR591942ERL- SKU:
- EAR591942ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- 591942ERL
$25.85 -
Earls #4 > 7/16-20 Calip. Adap 591941ERL
EARLS
$21.54If you're running a high-performance brake system with modern AN fittings, you need reliable adapters that won't compromise pressure integrity or leak under extreme conditions. The Earls #4 > 7/16-20 Caliper Adapter bridges the gap between 4 AN male...EAR591941ERL- SKU:
- EAR591941ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 591941ERL
$21.54 -
Earls #3 > 3/8 24 Calip. Adapt 581533ERL
EARLS
$15.80Brake line adapters are critical components in any custom or modified brake system—they ensure secure, leak-free connections between different fitting standards without compromise. This Earls adapter bridges the gap between AN and inverted flare...EAR581533ERL- SKU:
- EAR581533ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 581533ERL
$15.80 -
Earls #3 Caliper Adapter 581531ERL
EARLS
$16.89The Earls #3 Caliper Adapter is essential for building reliable hydraulic brake systems where OEM fittings won't accommodate your custom hardline routing. This adapter eliminates fitment guesswork by providing a direct, leak-free connection between 3 AN...EAR581531ERL- SKU:
- EAR581531ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- 581531ERL
$16.89Qty in Cart: 0Quantity:Price:$16.89Subtotal: -
Earls Alum Tube Adpt -6 Fem - 5/16in. Tube 165156ERL
EARLS
$21.54If you're building a custom fuel, oil, or coolant line system, you need fittings that reliably bridge different tubing standards without compromise. This Earls aluminum tube adapter handles the transition from 6 AN female ports to 5/16-inch tubing with...EAR165156ERL- SKU:
- EAR165156ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 165156ERL
$21.54 -
Earls #6 Female Alum to 3/8in Tubing Adapter 165106ERL
EARLS
$24.41When you're running fuel, coolant, or brake lines through a high-performance engine bay, adapter fittings are non-negotiable—they ensure leak-free connections between different tubing standards. This Earls #6 Female Aluminum to 3/8in Tubing Adapter...EAR165106ERL- SKU:
- EAR165106ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 165106ERL
$24.41 -
Earls 8an Male to 3/8in Alum Tubing Adapter 165086ERL
EARLS
$25.85If you're running custom fuel, coolant, or brake lines in your race car or high-performance build, you need reliable adapters that handle pressure without leaking. This Earls 8AN male to 3/8" aluminum tubing adapter provides a secure, leak-free...EAR165086ERL- SKU:
- EAR165086ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- 165086ERL
$25.85
