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AN-NPT Fittings and Components

AN-NPT Fittings and Components

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

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
  • #6 Male Alum to 5/16in Tubing Adapter EAR165056ERL

    Earls #6 Male Alum to 5/16in Tubing Adapter 165056ERL

    EARLS

    $21.54
    When you're building a custom fuel, coolant, or brake line system, you need fittings that seal reliably under pressure without adding bulk or weight. This Earls adapter bridges the gap between -6 AN male connections and 5/16-inch tubing with precision...
    EAR165056ERL
    SKU:
    EAR165056ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    165056ERL
    $21.54
    Qty in Cart: 0
    Quantity:
    Price:
    $21.54
    Subtotal:
  • #8 Male Alum to 1/2in Tubing Adapter EAR165008ERL

    Earls #8 Male Alum to 1/2in Tubing Adapter 165008ERL

    EARLS

    $25.83
    This adapter seamlessly bridges AN fittings to standard tubing, eliminating the need for custom fabrication in your fuel, coolant, or brake line routing. Whether you're building a custom cooling system or retrofitting fuel delivery on a race platform,...
    EAR165008ERL
    SKU:
    EAR165008ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    165008ERL
    $25.83
    Qty in Cart: 0
    Quantity:
    Price:
    $25.83
    Subtotal:
  • #6 Male to 3/8in Alum Tubing Adapter EAR165006ERL

    Earls #6 Male to 3/8in Alum Tubing Adapter 165006ERL

    EARLS

    $21.54
    If you're building a custom fuel system, coolant line, or any pressurized fluid circuit, you need reliable adapters that bridge different component sizes without leaks or flow restriction. This Earls #6 Male to 3/8in Aluminum Tubing Adapter provides a...
    EAR165006ERL
    SKU:
    EAR165006ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    165006ERL
    $21.54
    Qty in Cart: 0
    Quantity:
    Price:
    $21.54
    Subtotal:
  • Gauge Adapter #8M to #8  EAR100200ERL

    Earls Gauge Adapter #8M to #8 100200ERL

    EARLS

    $31.96
    If you're running forced induction, nitrous, or fuel system diagnostics, you need reliable pressure monitoring at critical junction points. This Earls gauge adapter lets you tap into your #8 AN line without sacrificing flow or system integrity—a...
    EAR100200ERL
    SKU:
    EAR100200ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    100200ERL
    $31.96
    Qty in Cart: 0
    Quantity:
    Price:
    $31.96
    Subtotal:
  • Gauge Adapter -6M to -6F w/1/8 Npt Port EAR100199ERL

    Earls Gauge Adapter -6M to -6F w/1/8 Npt Port 100199ERL

    EARLS

    $25.85
    If you're running forced induction or monitoring critical fuel system pressures, you need a reliable way to tap into your fuel line without compromising flow or integrity. This Earls gauge adapter lets you install a pressure gauge in-line while...
    EAR100199ERL
    SKU:
    EAR100199ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    100199ERL
    $25.85
    Qty in Cart: 0
    Quantity:
    Price:
    $25.85
    Subtotal:
  • Fuel Pressure Ga. Adapt.  EAR100192ERL

    Earls Fuel Pressure Ga. Adapt. 100192ERL

    EARLS

    $20.10
    Accurate fuel pressure monitoring is non-negotiable for tuning and diagnosing forced induction systems, carbureted engines, and fuel injection setups. This Earls adapter provides a clean, reliable connection point for your fuel pressure gauge without...
    EAR100192ERL
    SKU:
    EAR100192ERL
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    100192ERL
    $20.10
    Qty in Cart: 0
    Quantity:
    Price:
    $20.10
    Subtotal:
  • `-8AN Male x 1/2 Barb Fitting DER98205

    Derale `-8AN Male x 1/2 Barb Fitting 98205

    DERALE

    $6.58
    Reliable fluid routing is critical when building high-performance cooling and fuel systems—any leak or flow restriction can compromise engine efficiency and safety. The Derale -8AN Male x 1/2 Barb Fitting provides a secure, direct connection between your...
    DER98205
    SKU:
    DER98205
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    98205
    $6.58
    Qty in Cart: 0
    Quantity:
    Price:
    $6.58
    Subtotal:
  • `-6AN Male x 3/8 Barb Fitting DER98204

    Derale `-6AN Male x 3/8 Barb Fitting 98204

    DERALE

    $6.58
    When you're building a custom cooling or fluid transfer system, adapter fittings are non-negotiable—they're the connection points that determine whether your setup runs flawlessly or fails under pressure. This Derale -6AN male to 3/8" barb fitting gives...
    DER98204
    SKU:
    DER98204
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    98204
    $6.58
    Qty in Cart: 0
    Quantity:
    Price:
    $6.58
    Subtotal:
  • Straight Hose Barb Fitti ng 1/2 NPT F x 1/2 Barb DER98106

    Derale Straight Hose Barb Fitti ng 1/2 NPT F x 1/2 Barb 98106

    DERALE

    $7.98
    A reliable hose barb fitting is foundational to any cooling or fluid transfer system—this Derale adapter ensures leak-free connections between your hose lines and NPT-threaded ports. Whether you're building a custom cooling loop or upgrading your...
    DER98106
    SKU:
    DER98106
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    98106
    $7.98
    Qty in Cart: 0
    Quantity:
    Price:
    $7.98
    Subtotal:
  • Straight Hose Barb Fitti ng 1/4 NPT F x 3/8 Barb DER98104

    Derale Straight Hose Barb Fitti ng 1/4 NPT F x 3/8 Barb 98104

    DERALE

    $7.51
    Reliable fluid transfer is essential in any high-performance cooling or fuel system, and improper fittings lead to leaks, pressure loss, and potential engine damage. The Derale 98104 straight hose barb fitting provides a secure, leak-free connection...
    DER98104
    SKU:
    DER98104
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MFG Part #:
    98104
    $7.51
    Qty in Cart: 0
    Quantity:
    Price:
    $7.51
    Subtotal:
  • Straight Hose Barb Fitti ng 1/2 NPT M x 1/2 Barb DER98103

    Derale Straight Hose Barb Fitti ng 1/2 NPT M x 1/2 Barb 98103

    DERALE

    $6.27
    If you're building a custom cooling or fluid system, reliable hose connections are non-negotiable. This Derale straight hose barb fitting bridges 1/2" hose to standard 1/2" NPT male ports without leaks or compatibility headaches. Aluminum construction...
    DER98103
    SKU:
    DER98103
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    98103
    $6.27
    Qty in Cart: 0
    Quantity:
    Price:
    $6.27
    Subtotal:
  • Straight Hose Barb Fitti ng 3/8 NPT M x 1/2 Barb DER98102

    Derale Straight Hose Barb Fitti ng 3/8 NPT M x 1/2 Barb 98102

    DERALE

    $6.27
    If you're building a custom cooling system or upgrading your fluid lines, you need a fitting that won't leak under pressure. This Derale hose barb adapter bridges the gap between 1/2" hose and 3/8" NPT ports, giving you a reliable, leak-free connection...
    DER98102
    SKU:
    DER98102
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    98102
    $6.27
    Qty in Cart: 0
    Quantity:
    Price:
    $6.27
    Subtotal:
  • Straight Hose Barb Fitti ng 3/8 NPT M x 3/8 Barb DER98101

    Derale Straight Hose Barb Fitti ng 3/8 NPT M x 3/8 Barb 98101

    DERALE

    $6.27
    When you're building a custom cooling or fluid transfer system, hose connections need to be reliable and leak-free under pressure. The Derale Straight Hose Barb Fitting 98101 provides a straightforward, no-nonsense adapter that bridges 3/8" hose lines to...
    DER98101
    SKU:
    DER98101
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    MFG Part #:
    98101
    $6.27
    Qty in Cart: 0
    Quantity:
    Price:
    $6.27
    Subtotal:
  • Straight Hose Barb Fitti ng 1/4 NPT M x 3/8 Barb DER98100

    Derale Straight Hose Barb Fitti ng 1/4 NPT M x 3/8 Barb 98100

    DERALE

    $6.27
    Proper coolant and fluid routing is critical to system reliability, and this brass hose barb fitting delivers a leak-free connection where precision matters. Whether you're plumbing a custom cooling loop or integrating auxiliary components, the 1/4 NPT...
    DER98100
    SKU:
    DER98100
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    MFG Part #:
    98100
    $6.27
    Qty in Cart: 0
    Quantity:
    Price:
    $6.27
    Subtotal:
  • #8 Fuel Pump Fitting  CAR156-386

    Carter #8 Fuel Pump Fitting 156386

    CARTER

    $16.99
    If you're running a fuel system with AN fittings and need to adapt to a Carter fuel pump with a 5/8-18 port, this #8 fitting provides a leak-free, secure connection without fabrication. Steel construction ensures durability under pressure, while the...
    CAR156-386
    SKU:
    CAR156-386
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    MFG Part #:
    156386
    $16.99
    Qty in Cart: 0
    Quantity:
    Price:
    $16.99
    Subtotal:
  • #10 Fuel Pump Fitting  CAR156-385

    Carter #10 Fuel Pump Fitting 156385

    CARTER

    $17.99
    If you're running a fuel system that demands reliable, leak-free connections, this Carter #10 fitting is essential for proper AN line integration. Whether you're building a custom fuel rail, upgrading to a high-flow pump setup, or connecting aftermarket...
    CAR156-385
    SKU:
    CAR156-385
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    MFG Part #:
    156385
    Qty in Cart: 0
    Quantity:
    Price:
    $17.99
    Subtotal:
  • 1/2in NPT Aluminum Temp. Adapter Fitting - Red ATM2273

    Autometer 1/2in NPT Aluminum Temp. Adapter Fitting - Red 2273

    AUTOMETER

    $16.49
    If you're installing a mechanical temperature gauge in your engine bay, you need a reliable adapter that won't leak under pressure or fail when heat cycles occur. This Autometer aluminum fitting bridges the gap between your gauge sensor and engine block,...
    ATM2273
    SKU:
    ATM2273
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MFG Part #:
    2273
    $16.49
    Qty in Cart: 0
    Quantity:
    Price:
    $16.49
    Subtotal:
  • 3/8in Npt Aluminum Temp. Adapter Fitting - Red ATM2272

    Autometer 3/8in Npt Aluminum Temp. Adapter Fitting - Red 2272

    AUTOMETER

    $17.99
    If you're running mechanical temperature gauges in your race car or performance build, you need reliable adapter fittings that won't leak or fail under pressure. This AutoMeter aluminum temperature adapter bridges the gap between your engine's 3/8in NPT...
    ATM2272
    SKU:
    ATM2272
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    2272
    $17.99
    Qty in Cart: 0
    Quantity:
    Price:
    $17.99
    Subtotal:
  • 3/8in Npt Ext Temp Adapter ATM2271

    Autometer 3/8in Npt Ext Temp Adapter 2271

    AUTOMETER

    $22.99
    If you're installing mechanical temperature gauges in tight engine compartments, this extended adapter bridges the gap between your gauge and engine block without forcing awkward angles or compromising sensor accuracy. The brass construction resists...
    ATM2271
    SKU:
    ATM2271
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    2271
    $22.99
    Qty in Cart: 0
    Quantity:
    Price:
    $22.99
    Subtotal:
  • 1/2in Npt Temp Adapter  ATM2264

    Autometer 1/2in Npt Temp Adapter 2264

    AUTOMETER

    $12.49
    If you're running mechanical temperature gauges in your race car or street machine, proper adapter fitment is critical to accurate readings and leak-free operation. The Autometer 1/2in NPT Temp Adapter bridges the gap between your engine block's threaded...
    ATM2264
    SKU:
    ATM2264
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MFG Part #:
    2264
    $12.49
    Qty in Cart: 0
    Quantity:
    Price:
    $12.49
    Subtotal:
  • Total: items /

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