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!
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- Price
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Moroso 12an Male Valve Cover Fitting for GM LS 68843
MOROSO
$94.99If you're running forced induction, a custom cooling system, or upgraded PCV setup on your LS engine, you need reliable oil line routing between your valve cover and external components. This Moroso...MOR68843- SKU:
- MOR68843
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$94.99 -
Longacre Temp Gauge Fitting 52-46150
LONGACRE
$11.99Integrating a quality temperature gauge into your cooling system requires the right adapter—one that won't leak, won't restrict flow, and will last through countless heat cycles. The Longacre Temp...LON52-46150- SKU:
- LON52-46150
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
$11.99 -
Longacre Manifold Firewall Mount for SMI Pressure Senders 52-43541
LONGACRE
$29.99If you're running multiple pressure transducers on your engine bay or fuel system, you need a manifold that won't leak and won't compromise your readings. The Longacre 52-43541 consolidates your SMI...LON52-43541- SKU:
- LON52-43541
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$29.99 -
Longacre Firewall 1 Sensor Mount for SMI Pressure Gauges 52-43540
LONGACRE
$24.99Clean, reliable pressure readings depend on proper sensor placement—and this Longacre firewall mount delivers exactly that. By securing your SMI pressure gauge sensor at the firewall junction, you...LON52-43540- SKU:
- LON52-43540
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$24.99 -
Joes WATER TEMP PLUG W/ 1/8in NPT 42730
JOES RACING PRODUCTS
$13.95When you're running a precision cooling system, a reliable water temperature sensor adapter is non-negotiable. This Joe's water temperature plug bridges the gap between your engine block and...JOE42730- SKU:
- JOE42730
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$13.95 -
Q/R #3 Male Str to #3 Socket Valved Black 21403J
JIFFY-TITE
$40.10Quick-release couplings are essential for any shop or race team that demands fast, leak-free fluid transfers without downtime. The Q/R #3 Male Str to #3 Socket Valved delivers reliable one-handed...JFT21403J- SKU:
- JFT21403J
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$40.10 -
Fragola #8 Male Tee w/1/8 FPT Port - Black 997408-BL
FRAGOLA
$15.99The Fragola #8 Male Tee with 1/8 FPT port is an essential component for custom fuel and fluid distribution systems where precision routing is non-negotiable. This aluminum adapter consolidates...FRG997408-BL- SKU:
- FRG997408-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$15.99 -
Fragola Y-Fitting #16 Male Inlet x #12 Male Outlets 900617-BL
FRAGOLA
$44.99This Y-fitting is essential for any forced induction or high-flow fuel system requiring efficient fluid distribution from a single inlet to dual outlets. The stepped design reduces turbulence and...FRG900617-BL- SKU:
- FRG900617-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$44.99 -
Fragola #12an Male Y-Fitting Black 900612-BL
FRAGOLA
$44.99When you're routing high-flow fuel or coolant through your engine bay, you need a fitting that can handle the volume without creating dead zones or turbulence. The Fragola #12an Male Y-Fitting...FRG900612-BL- SKU:
- FRG900612-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$44.99 -
Fragola 6an x Dual #4 Male Y- Fitting Black 900607-BL
FRAGOLA
$36.99If you're running a fuel system, cooling loop, or any pressurized circuit that requires flow splitting, this Y-fitting is an essential junction point for clean, leak-free distribution. The 6 AN inlet...FRG900607-BL- SKU:
- FRG900607-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$36.99 -
Fragola #4 x 1/8 mpt Adapter Oil Pressure Fitting - Steel 581690
FRAGOLA
$17.99If you're running a custom oil pressure monitoring system or need a reliable adapter to connect aftermarket gauges to your engine block, this Fragola fitting delivers the precision interface you need...FRG581690- SKU:
- FRG581690
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$17.99 -
Fragola #4 x 1/4 MPT Straight Adapter Steel 581605
FRAGOLA
$2.99If you're running a high-performance fuel system, oil cooler, or custom plumbing setup, reliable adapter fittings are non-negotiable. This Fragola straight adapter bridges the gap between AN fittings...FRG581605- SKU:
- FRG581605
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$2.99 -
Fragola #3 Union - Steel 581503
FRAGOLA
$4.99Fuel and hydraulic line connections demand absolute reliability under pressure, and the Fragola #3 Union delivers exactly that. This steel straight adapter maintains consistent flow between two 3 AN...FRG581503- SKU:
- FRG581503
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$4.99 -
Fragola #3 Steel Bulkhead Tee - On Run 580403
FRAGOLA
$16.99Fragola's #3 steel bulkhead tee delivers reliable, leak-free fluid distribution in tight engine bay configurations where space is critical. This all-steel construction with cadmium plating resists...FRG580403- SKU:
- FRG580403
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$16.99 -
Fragola #10 Female Swivel to 3/8mpt Fitting Black 499311-BL
FRAGOLA
$21.99If you're running custom fuel, oil, or cooling system lines, you need reliable adapters that won't leak under pressure. This Fragola swivel fitting bridges the gap between modern AN-sized hose...FRG499311-BL- SKU:
- FRG499311-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$21.99 -
Fragola #6 x 3/4-16 90 Deg Swivel Adapter Black 499268-BL
FRAGOLA
$25.99Precise hose routing is critical in high-performance fuel and fluid systems, and mismatched angles create leak points and installation headaches. This Fragola swivel adapter eliminates those problems...FRG499268-BL- SKU:
- FRG499268-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$25.99 -
Fragola #12 x 1-1/16-12 90-Deg Swivel Adapter Black 499212-BL
FRAGOLA
$42.99When you're routing high-pressure fuel or coolant lines through tight engine bays, directional changes matter. This Fragola 90-degree swivel adapter gives you the flexibility to achieve proper line...FRG499212-BL- SKU:
- FRG499212-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$42.99 -
Fragola #8 x 9/16-18 90 Deg Swivel Adapter Black 499207-BL
FRAGOLA
$26.99Secure, leak-free connections are non-negotiable in high-performance fuel and fluid systems, and this Fragola swivel adapter delivers precisely that. The 90-degree configuration eliminates awkward...FRG499207-BL- SKU:
- FRG499207-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$26.99 -
Fragola #3 Female Swivel to Male 90 Degree Fitting Black 498101-BL
FRAGOLA
$20.99When routing fuel lines, brake lines, or cooling systems through tight engine bays, a 90-degree adapter is essential for maintaining clean, efficient plumbing without kinks or stress on connections...FRG498101-BL- SKU:
- FRG498101-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$20.99 -
Fragola #16 FEMALE - MALE FLARE 45 BLACK 498008-BL
FRAGOLA
$45.99When you're running high-pressure fuel or hydraulic lines, fitting integrity is non-negotiable. This Fragola adapter delivers a reliable 45-degree connection that eliminates leaks and maintains...FRG498008-BL- SKU:
- FRG498008-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$45.99
