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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
  • bulkhead fitting

    Aeroquip Fuel Cell Bulkhead Fitting (8 AN) Kit with Sealing Washers Nut Aluminum Black

    AEROQUIP

    $24.95
    A properly sealed fuel cell connection is non-negotiable in high-performance racing applications. This Aeroquip bulkhead fitting kit eliminates leaks at the tank wall while maintaining the structural integrity of your fuel cell—critical for both safety...
    9915B949
    SKU:
    9915B949
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • bulkhead fitting

    Aeroquip Fuel Cell Bulkhead Fitting (10 AN) Kit with Sealing Washers Nut Aluminum Black

    AEROQUIP

    $26.95
    A fuel cell installation demands reliable, leak-free connections—and this Aeroquip bulkhead fitting kit delivers exactly that. The straight-through 10 AN design allows you to route fuel lines cleanly through your cell wall while maintaining full flow...
    966AB7F0
    SKU:
    966AB7F0
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
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  • Radiator Neck Fitting - 1/8" NPT to 1/4" Hose Barb Brass Adapter for Automotive Cooling Systems

    Radiator Neck Fitting - 1/8" NPT to 1/4" Hose Barb Brass Adapter for Automotive Cooling Systems

    J J MOTORSPORTS

    $10.95
    A cooling system is only as strong as its weakest connection. This brass radiator neck fitting eliminates leaks and maintains consistent coolant flow by providing a secure transition between your radiator neck and hose lines. Whether you're running a...
    RCFL-5089
    SKU:
    RCFL-5089
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
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  • #4 x 1/4 MPT 90 Deg Swivel Adapter Black FRG499144-BL

    Fragola #4 x 1/4 MPT 90 Deg Swivel Adapter Black 499144-BL

    FRAGOLA

    $18.99
    If you're running fuel lines, coolant hoses, or brake systems in your race car or high-performance build, fitting mismatches create leaks, pressure drops, and reliability issues that'll sideline you when it matters most. This Fragola swivel adapter...
    FRG499144-BL
    SKU:
    FRG499144-BL
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    499144-BL
    $18.99
    Qty in Cart: 0
    Quantity:
    Price:
    $18.99
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  • Carb Fitting w/washer 7/8-20 to -6 Male Blue ALL50894

    Allstar Performance Carb Fitting w/washer 7/8-20 to -6 Male Blue ALL50894

    ALLSTAR PERFORMANCE

    $7.49
    A reliable fuel inlet connection is critical for carburetor performance and safety—this Allstar fitting ensures a leak-free seal between your fuel line and Holley carb with precision engineering. The 7/8-20 to -6 AN conversion simplifies plumbing on...
    ALL50894
    SKU:
    ALL50894
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    ALL50894
    $7.49
    Qty in Cart: 0
    Quantity:
    Price:
    $7.49
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  • Carb Fitting w/washer 7/8-20 to -6 Female Blue ALL50890

    Allstar Performance Carb Fitting w/washer 7/8-20 to -6 Female Blue ALL50890

    ALLSTAR PERFORMANCE

    $17.79
    If you're running a Holley carb and need a reliable fuel inlet connection, this Allstar fitting delivers the precision fit and durability that separates a clean build from a problematic one. The 6 AN female outlet gives you a direct path to quality fuel...
    ALL50890
    SKU:
    ALL50890
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MFG Part #:
    ALL50890
    $17.79
    Qty in Cart: 0
    Quantity:
    Price:
    $17.79
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  • Temp Gauge Adapter 1/2in  ALL50204

    Allstar Performance Temp Gauge Adapter 1/2in ALL50204

    ALLSTAR PERFORMANCE

    $10.99
    If you're running a mechanical temperature gauge in your engine bay, proper thread compatibility is non-negotiable—this adapter ensures a secure, leak-free connection between your gauge and coolant passage. The Allstar Performance adapter bridges the gap...
    ALL50204
    SKU:
    ALL50204
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    ALL50204
    $10.99
    Qty in Cart: 0
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    Price:
    $10.99
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  • Temp Gauge Adapter 3/8in  ALL50203

    Allstar Performance Temp Gauge Adapter 3/8in ALL50203

    ALLSTAR PERFORMANCE

    $10.99
    If you're running a mechanical temperature gauge on your engine, you need a reliable adapter that bridges different thread standards without compromising sensor accuracy or flow. The Allstar Performance Temp Gauge Adapter ensures a secure, leak-free...
    ALL50203
    SKU:
    ALL50203
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MFG Part #:
    ALL50203
    $10.99
    Qty in Cart: 0
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    Price:
    $10.99
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  • Adapter Fitting Steel -4AN To 1/8in NPT ALL50200

    Allstar Performance Adapter Fitting Steel -4AN To 1/8in NPT ALL50200

    ALLSTAR PERFORMANCE

    $2.99
    If you're running aftermarket fuel systems, gauges, or pneumatic components, mismatched port sizes will compromise system integrity and leak potential. This Allstar adapter bridges the gap between 4AN hard-line fittings and 1/8in NPT ports, giving you a...
    ALL50200
    SKU:
    ALL50200
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    ALL50200
    $2.99
    Qty in Cart: 0
    Quantity:
    Price:
    $2.99
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  • Adapter Fitting -4 to 1/8 NPT 90 Deg ALL50019

    Allstar Performance Adapter Fitting -4 to 1/8 NPT 90 Deg ALL50019

    ALLSTAR PERFORMANCE

    $5.99
    Proper hose routing and fluid management demand reliable connections that won't leak under pressure. This Allstar Performance adapter fitting bridges the gap between -4 AN hard lines and 1/8 NPT ports, giving you a clean, secure solution for fuel...
    ALL50019
    SKU:
    ALL50019
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    ALL50019
    $5.99
    Qty in Cart: 0
    Quantity:
    Price:
    $5.99
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  • Adapter Fitting -3 to 1/8 NPT 90 Deg ALL50018

    Allstar Performance Adapter Fitting -3 to 1/8 NPT 90 Deg ALL50018

    ALLSTAR PERFORMANCE

    $6.99
    This adapter fitting bridges the gap between your -3 AN line and 1/8 NPT ports, eliminating the need for custom fabrication or workarounds. The 90-degree configuration saves space in tight engine bays and plumbing layouts while maintaining a secure,...
    ALL50018
    SKU:
    ALL50018
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    ALL50018
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
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  • Adapter Fittings -4 to 1/8 NPT 2pk ALL50001

    Allstar Performance Adapter Fittings -4 to 1/8 NPT 2pk ALL50001

    ALLSTAR PERFORMANCE

    $3.99
    If you're running a custom fuel system, oil cooler setup, or any pressurized application that requires mixing AN fittings with NPT ports, these adapter fittings are essential for leak-free connections. Allstar Performance's steel construction with zinc...
    ALL50001
    SKU:
    ALL50001
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    ALL50001
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    $3.99
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  • Inlet Fitting -16AN  ALL30039

    Allstar Performance Inlet Fitting -16AN ALL30039

    ALLSTAR PERFORMANCE

    $24.99
    Keep your cooling system locked in and leak-free with the Allstar Performance Inlet Fitting -16AN (ALL30039) — a precision-machined upgrade that delivers a clean, secure connection between your radiator hose and Allstar radiator. Built from lightweight...
    ALL30039
    SKU:
    ALL30039
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    MFG Part #:
    ALL30039
    $24.99
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
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  • Inlet Fitting 1-1/2in  ALL30038

    Allstar Performance Inlet Fitting 1-1/2in ALL30038

    ALLSTAR PERFORMANCE

    $24.99
    Keep your cooling system locked in and leak-free with the Allstar Performance Inlet Fitting (ALL30038) — a precision-machined aluminum fitting built to deliver a rock-solid connection between your radiator hose and Allstar radiator. Designed for racers...
    ALL30038
    SKU:
    ALL30038
    Availability:
    Ships Same Business Day
    Weight:
    0.14 LBS
    MFG Part #:
    ALL30038
    $24.99
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
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  • #4 Flare #3 Flare Union Black AERFCM5048

    Aeroquip #4 Flare #3 Flare Union Black FCM5048

    AEROQUIP

    $6.49
    When precision and reliability matter most, the Aeroquip FCM5048 delivers a clean, leak-free connection between mismatched AN line sizes with zero compromise. Built for performance enthusiasts who refuse to cut corners, this straight union adapter makes...
    AERFCM5048
    SKU:
    AERFCM5048
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    MFG Part #:
    FCM5048
    $6.49
    Qty in Cart: 0
    Quantity:
    Price:
    $6.49
    Subtotal:
  • J J MOTORSPORTS Replacement Fuel Log Filter End Fitting (-8 AN) O-Ring Race Car

    Replacement Fuel Log Filter End Fitting (-8 AN) O-Ring Race Car

    J J MOTORSPORTS

    $14.95
    Fuel system leaks and failed end fittings can sideline your race car at the most critical moments. This replacement fuel log filter end fitting maintains reliable fuel delivery under the demanding conditions of dirt late model and modified racing, where...
    RCFL-0007
    SKU:
    RCFL-0007
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
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  • J J MOTORSPORTS Replacement Fuel Log Filter End Fitting (-10 AN) O-Ring Race Car

    Replacement Fuel Log Filter End Fitting (-10 AN) O-Ring Race Car

    J J MOTORSPORTS

    $14.95
    Fuel system integrity is non-negotiable in racing—a compromised filter end fitting can introduce contamination or leaks that cost you races. This replacement fuel log filter end fitting restores a clean, sealed connection in your fuel system with a...
    RCFL-0008
    SKU:
    RCFL-0008
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
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  • 10an female to 8an male reducer fitting 995011bb

    XRP 10an Female to 8an Male Reducer Fitting 995011BB

    XRP-XTREME RACING PROD.

    $12.99
    When you're running custom fuel, coolant, or oil lines in your build, mismatched hose sizes create unnecessary complexity and potential leak points. This XRP reducer fitting lets you seamlessly transition from 10 AN to 8 AN without adapters hanging off...
    XRP995011BB
    SKU:
    XRP995011BB
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
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  • XRP AN Flare Reducer Fitting 8an Female to 6an Male 995008BB

    XRP AN Flare Reducer Fitting 8an Female to 6an Male 995008BB

    XRP-XTREME RACING PROD.

    $11.99
    When you're running custom fuel or fluid lines, mismatched AN sizing can force you into expensive rework or compromise your system's integrity. This XRP flare reducer fitting solves that problem with a straightforward 8AN-to-6AN conversion, letting you...
    XRP995008BB
    SKU:
    XRP995008BB
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    $11.99
    Qty in Cart: 0
    Quantity:
    Price:
    $11.99
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  • 4an male to 4an orb 90 degree fitting 989004

    XRP 4an Male to 4an ORB 90 Degree Fitting 989004

    XRP-XTREME RACING PROD.

    $13.99
    Clean, efficient fuel and coolant routing requires the right adapter in your fuel system or cooling setup. The XRP 4AN Male to 4AN ORB 90-degree fitting eliminates unnecessary hose runs and reduces clutter in tight engine bays, giving you a dependable...
    XRP989004
    SKU:
    XRP989004
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    $13.99
    Qty in Cart: 0
    Quantity:
    Price:
    $13.99
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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