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
-
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 fitting eliminates guesswork with a direct,...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 Gauge Fitting 52-46150 is a precision brass adapter that...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 pressure sender connections into a single,...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 eliminate routing hassles and ensure your sensor sits in...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
$12.95When 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 aftermarket gauges or data logging systems, giving you...JOE42730- SKU:
- JOE42730
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$12.95 -
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 connections for fuel, oil, and coolant systems,...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 multiple -8 AN lines into a single junction point,...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 pressure drop, ensuring consistent flow rates across both...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 consolidates dual feed lines into a single inlet with zero...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 feeds two separate 4 AN outlets, giving you precise...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. Steel construction ensures durability under sustained...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 and NPT ports with precision engineering and proven...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 male fittings without reducing line diameter,...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 corrosion in high-heat environments, making it ideal for...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 systems and industry-standard NPT ports found on engines,...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 by allowing you to connect #6 and 8 AN lines at a true...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 routing without kinks, pressure loss, or fitment...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 routing while the swivel design accommodates vibration...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. This Fragola swivel fitting allows you to change...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 system pressure, whether you're tuning a street machine or...FRG498008-BL- SKU:
- FRG498008-BL
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$45.99
