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 1/4 X 1/8 Npt Bush 991201ERL
EARLS
$10.02If you're building a custom cooling or fuel system, adapter fittings are non-negotiable for clean, leak-free connections. This Earls 1/4 X 1/8 NPT bush reduces port sizes without sacrificing flow or durability, making it essential for tight engine bay...EAR991201ERL- SKU:
- EAR991201ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 991201ERL
$10.02Qty in Cart: 0Quantity:Price:$10.02Subtotal: -
Earls 1/8 Npt Nipple 991101ERL
EARLS
$8.59A solid NPT adapter is non-negotiable when plumbing custom fluid systems—whether you're building a custom cooling loop, fuel line routing, or high-pressure oil circuit. This straight 1/8 NPT nipple eliminates leaks at connection points and provides a...EAR991101ERL- SKU:
- EAR991101ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- 991101ERL
$8.59 -
Earls 1/4 Npt Coupling 991002ERL
EARLS
$14.31If you're building a custom fluid system—whether it's fuel, oil, coolant, or brake lines—you need reliable, leak-free connections that won't compromise flow or durability. The Earls 1/4 NPT Coupling delivers a straightforward solution for connecting two...EAR991002ERL- SKU:
- EAR991002ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 991002ERL
$14.31 -
Earls 1/8 Npt Coupling 991001ERL
EARLS
$10.02When you're running a high-performance fuel or coolant system, reliable fittings are non-negotiable. This Earls 1/8 NPT coupling provides a straightforward, leak-free connection between two female NPT ports—essential for custom plumbing setups where...EAR991001ERL- SKU:
- EAR991001ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- 991001ERL
$10.02 -
Earls Brake Adapter -3 to 7/16 -24 I.F. 989549ERL
EARLS
$12.88If you're running hardline brake systems or custom hydraulic setups, adapter fittings are critical connection points that demand precision and reliability. This Earls brake adapter ensures leak-free, secure connections between incompatible line...EAR989549ERL- SKU:
- EAR989549ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 989549ERL
$12.88 -
Earls Brake Adapter -4 to 7/16 989548ERL
EARLS
$12.88If you're running a high-performance brake system with mixed fitting sizes, this Earls adapter bridges the gap between your -4 AN hardline and 7/16-24 inverted flare components without compromise. Steel construction and inverted flare design ensure...EAR989548ERL- SKU:
- EAR989548ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 989548ERL
$12.88 -
Earls Hose > Tube Adpt. 989545ERL
EARLS
$11.47Transitioning between hose and tube connections requires a fitting that won't compromise system integrity or leak under pressure. This Earls adapter delivers a secure, straightforward connection for fuel, oil, and coolant systems where reliability is...EAR989545ERL- SKU:
- EAR989545ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MFG Part #:
- 989545ERL
$11.47 -
Earls #3 > 3/8-24 Brake Adpt. 989543ERL
EARLS
$10.38When you're running a high-performance brake system, adapter fittings are critical to ensure proper sealing and reliability under extreme pressure. This Earls adapter bridges the gap between AN brake lines and inverted flare ports, eliminating the need...EAR989543ERL- SKU:
- EAR989543ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 989543ERL
$10.38 -
Earls #3 > 10mmf Brake Adpt. 989534ERL
EARLS
$10.38When you're running a custom brake system or integrating aftermarket hydraulic components, adapter fittings are non-negotiable—they ensure leak-free connections and precise fluid flow under extreme pressure. This Earls brake adapter bridges the gap...EAR989534ERL- SKU:
- EAR989534ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 989534ERL
$10.38 -
Earls #4 > 3/8-24 Brake Adpt. 989532ERL
EARLS
$11.47When routing brake lines through tight engine bays or connecting to classic master cylinders, you need an adapter that won't compromise system integrity. This Earls straight adapter bridges the gap between modern AN fittings and inverted flare ports,...EAR989532ERL- SKU:
- EAR989532ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 989532ERL
$11.47 -
Earls Female 16mmx1.5 to -6an Male EFI Fitting 9894DBJERL
EARLS
$14.35If you're running EFI fuel systems with metric fuel rails, this adapter bridges the gap between -6AN hose and 16mm x 1.5 metric fittings—eliminating custom fabrication and potential leak points. The blue anodized aluminum construction provides corrosion...EAR9894DBJERL- SKU:
- EAR9894DBJERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 9894DBJERL
$14.35 -
Earls 14mmx1.5 Female to -6an Male EFI Fitting 9894DBHERL
EARLS
$14.35If you're running a fuel system with mixed metric and AN fittings, adapter confusion ends here. This Earls straight fitting bridges the gap between 14mm metric fuel rails and -6AN hose lines, eliminating the need for custom fabrication or incompatible...EAR9894DBHERL- SKU:
- EAR9894DBHERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 9894DBHERL
$14.35 -
Earls #4 > #3 Reducer 989443ERL
EARLS
$21.73When building a high-performance fuel system or hydraulic line setup, proper fitting reduction is essential to maintain system integrity and prevent leaks under pressure. This Earls reducer bridges the gap between 4 AN and 3 AN connections with a...EAR989443ERL- SKU:
- EAR989443ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 989443ERL
$21.73Qty in Cart: 0Quantity:Price:$21.73Subtotal: -
Earls #12 Female To #6 Reducer 9892126ERL
EARLS
$25.85When you're running high-flow fuel, coolant, or brake lines through a custom engine bay, mismatched fitting sizes become a real problem. This Earls reducer adapter solves that compatibility issue instantly, letting you step down from a 12 AN female inlet...EAR9892126ERL- SKU:
- EAR9892126ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 9892126ERL
$25.85 -
Earls #12 Female To #10 Male Flare Reducer Fitting 9892120ERL
EARLS
$38.01When you're running custom fuel, coolant, or brake lines, mismatched AN sizes create leaks and system failures—this Earls reducer fitting eliminates that problem by cleanly adapting 12 AN female ports to 10 AN male connections. Blue anodized aluminum...EAR9892120ERL- SKU:
- EAR9892120ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 9892120ERL
$38.01Qty in Cart: 0Quantity:Price:$38.01Subtotal: -
Earls #10 Female to #8 9892108ERL
EARLS
$24.38When you're building a custom fluid system or upgrading your fuel and coolant lines, hose sizing mismatches can compromise flow efficiency and create unsafe pressure points. This Earls adapter fitting lets you confidently connect 10 AN female ports to 8...EAR9892108ERL- SKU:
- EAR9892108ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 9892108ERL
$24.38 -
Earls Flare Reducer -10 Female To -6 Male 9892106ERL
EARLS
$24.38When you're running larger diameter hoses on your fuel or cooling system, you need a reliable way to step down to smaller port sizes without compromising flow or introducing weak points. This Earls flare reducer handles that transition cleanly, letting...EAR9892106ERL- SKU:
- EAR9892106ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 9892106ERL
$24.38 -
Earls #8 Female To #6 Male 9892086ERL
EARLS
$20.07When you're running high-flow fuel or coolant lines, mismatched port sizes can force costly rewiring or compromise system integrity. This Earls adapter bridges the gap between 8 AN and 6 AN connections with precision engineering, letting you integrate...EAR9892086ERL- SKU:
- EAR9892086ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 9892086ERL
$20.07 -
Earls #8 Female To #4 Male 9892084ERL
EARLS
$22.97When you're running higher-flow fuel or coolant lines, you need a reliable transition between different AN port sizes—and this Earls adapter delivers exactly that. The blue anodized aluminum construction resists corrosion while maintaining lightweight...EAR9892084ERL- SKU:
- EAR9892084ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 9892084ERL
$22.97 -
Earls Female #6 To Male #4 9892064ERL
EARLS
$18.66When you're working with multiple AN line sizes across your fuel, coolant, or brake systems, adapter fittings are essential for clean, leak-free connections. This Earls adapter allows you to step down from a larger 6 AN female port to a smaller 4 AN male...EAR9892064ERL- SKU:
- EAR9892064ERL
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 9892064ERL
$18.66
