Availability
Shop limited-time discounts on parts, tools, and accessories from your favorite brands!
Shop limited-time discounts on parts, tools, and accessories from your favorite brands!
Shop limited-time discounts on parts, tools, and accessories from your favorite brands!
Showing In Stock Items. Show All 198 Items.
On Sale
Tired of adding adapters to your brake system? LEED brake line fitting kits give you all the correct fittings to flare onto your brake lines for most aftermarket master cylinder and proportioning valve combinations. These assortments are machined from steel with a plated finish. They're available for a variety of applications, including Ford and GM vehicles.
Not Yet Reviewed
$11.99
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$17.99
$10.79
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$16.19
On Sale
Summit Bucks
Mishimoto oil line fitting kits open a world of oil cooling possibilities for your street or track vehicle. With 100 percent CNC-machined components, including 6061 aluminum oil line fittings and a 303 stainless steel tie-down plate, these adapter kits allow the use of -10AN fittings to route oil to a custom oil cooler setup, making them ideal upgrades for drivers seeking additional cooling for track environments or for those who would like additional engine bay space. Choose the kit designed for your vehicle. Kits include: * Stainless steel fitting clamp (tie-down plate) * -10AN adapter fittings * O-rings for leak-free installation * Retaining bolt or button-head bolt * Mishimoto Lifetime Warranty
Not Yet Reviewed
$100.95
$90.86
On Sale
DeatschWerks fuel line adapter fittings meet every applicable JIC and SAE standard, while featuring heat-treated 6061 T-6 aluminum that is anodized in a titanium finish. The finish complements any OE or aftermarket engine bay and hides tool marks far better than standard black fittings. These high-grade materials and coatings are strong, light, and anti-corrosive for the most demanding fuel systems. Please verify the fitment of DeatschWerks fuel line adapter fittings for your application when ordering.
Not Yet Reviewed
$10.00
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$52.00
$9.00
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$46.80
On Sale
Nitrous Outlet fuel line adapter fittings will keep your line securely threaded and tapped into your fuel system. The adapters are machined from billet aluminum with a natural or black anodized finish. Some models are laser-etched with the Nitrous Outlet N2O logo. Most include a 1/8 in. x 4 AN fitting, and an 1/8 in. NPT port—ideal for installing a fuel pressure switch or gauge. Connect your fuel line, fuel rail, and fuel solenoid for performance with Nitrous Outlet adapter fitting. Order the size, attachment style, and other options needed to plumb your application.
( 4 )
$8.99
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$65.99
$7.64
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$56.09
On Sale
LEED Brakes brake line adapter fittings are available in multiple standard threads to change the current size of your fittings. Maybe you need to drop down from 1/2 in.-20 to 3/8 in.-24 or up from 3/8 in.-24 to 7/16 in.-24. Whatever challenge your brake project presents, order the LEED Brakes brake line adapter fittings best suited to help you successfully complete it.
( 1 )
$6.49
$5.84
On Sale
DeatschWerks' adapters are in their line of comprehensive fittings specifically designed for fuel system plumbing. Manufactured to applicable JIC and SAE standards, these adapters are constructed from heat-treated 6061 aluminum, and then anodized. They're available in a variety of styles and sizes to complete your job with the best fit for leak-free performance. Plumbing a fuel system is no place to cut corners, but you shouldn't have to pay a premium price for peace of mind. DeatschWerks adapters provide the optimum combination of strength, light weight, and fuel compatibility backed by a lifetime warranty.
( 16 )
$5.00
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$39.00
$4.50
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$35.10
On Sale
Manufacturer Rebate
AutoMeter couplers can simplify installation of gauges, brake lines, and other automotive plumbing. The steel fittings are cadmium plated and available in different sizes and angles.
( 3 )
$26.99
$24.29
On Sale
Turbosmart fuel rail adapter fittings allow fitment of the Turbosmart fuel pressure regulator to the OEM fuel rail. The fittings are machined from premium aluminum for strength and long-term durability and are available for a variety of applications—including Subaru, Nissan, Mazda, and Toyota vehicles. Select the fuel rail adapter fittings needed for your specific setup.
( 5 )
$29.95
$23.96
On Sale
Aeromotive AN O-ring adapter fittings are just what you need to connect AN fuel lines to AN O-ring ports. These adapter fittings are designed with a full-flow radius transition from the port opening to the AN 37 degree flare. Each fitting is CNC-machined from billet aluminum and is anodized for durability and corrosion-resistance. They're available in nearly two dozen size/angle configurations.
( 65 )
$20.65
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$100.75
$18.58
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$90.68
On Sale
APR braided stainless steel brake line upgrades are a direct-fit replacement that improves your braking experience with the best lines on the market today. Forget the factory rubber hoses that expand and can even rupture over time. These braided 304 stainless steel lines with a smooth-bore PTFE core allow for very little expansion. This gives you a firmer brake pedal with less required pedal travel, as the fluid gets to its destination faster without all the flex and expansion that happens with lower quality lines. Unlike many universal lines on the market that often use connector adapters, APR brake lines are application-specific with the correct length and hose fittings, eliminating potential leak points. The lines have an attractive PVC outer jacket in smoked clear so you can see the braided lines from within, with red anodized inserts, and Cr3+ steel connectors. Each brake line is fully tested to 3,000 psi prior to sale, which is far beyond typical operating pressures. The lines are independently certified as SAE "low-expansion" lines and average only 0.07 cc/ft at 1,000 psi and 0.11 cc/ft at 2,900 psi. They're compatible with DOT 3, 4, 5 (silicone-based), and 5.1 brake fluids, are fully DOT-compliant, and meet FMVSS106 and SAE J1401 standards. Order the lines recommended for the front and/or rear of your vehicle.
Not Yet Reviewed
$139.95
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$209.95
$76.95
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$188.95
On Sale
Manufacturer Rebate
AutoMeter metric adapters are offered in several sizes and are most commonly used for electric temperature gauge installation, oil pressure sensor/line installation in GM LS engines, but can be used for other purposes. They are constructed from solid brass.
( 133 )
$13.99
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$16.99
$12.59
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$15.29
On Sale
Aeromotive fuel rail fitting adapters are designed to fit your stock return lines and fuel rails. They're made of CNC-machined stainless steel or billet aluminum for durability against any type of gasoline. The adapters use the factory spring lock design with an outlet made in an AN size specifically for braided stainless steel hose. Order the fitting size, style, and finish needed for your applications.
( 17 )
$33.40
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$118.25
$30.06
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$106.42
On Sale
For a step above, look at the Aeromotive line of custom fittings, adapters, and hose-ends, offering uncompromised fuel flow and positive sealing. They provide more area and smoother transitions from the inlet to the outlet, resulting in less restriction than any other fitting line. Featuring quality construction and CNC-machining for precision fit and unmatched flow, all Aeromotive AN to NPT adapter fittings provide full compatibility with gasoline and alcohol-based fuels.
( 1 )
$13.25
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$33.40
$11.92
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$30.06
On Sale
ICT Billet hose barb fittings facilitate your plumbing connections. Most of these aluminum adapters have a natural finish or are black anodized for long life. They're available in multiple styles and thread sizes, with hose barbs on the opposite end for easy line attachment. ICT Billet offers a wide array of high-quality aftermarket automotive products—order the fittings needed for your applications!
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$10.99
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$13.99
$9.89
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$12.59
On Sale
Nitrous Outlet swivel manifolds are designed to connect a nitrous gauge, fuel pressure gauge, or any two 1/8 in. NPT accessories in-line. These black anodized aluminum swivel manifolds allow you to easily install them onto fittings without having to spin the whole manifold. They are available with adaptors for -4 AN or -6 AN lines and include one 1/8 in. NPT hex plug. Get connected and stay connected with swivel manifolds from Nitrous Outlet.
( 8 )
$12.99
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$17.99
$11.04
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$15.29
On Sale
Mr. Gasket fuel pressure gauge adapters offer an easy way to add a fuel pressure gauge in soft fuel lines. Made from gold anodized aluminum, the adapters have 3/8 in. hose ends and a center-tapped 1/8 in. NPT port. Mr. Gasket fuel pressure gauge adapters include two hose clamps for a quick and easy installation.
( 5 )
$22.66
$20.39
On Sale
Plumb with precision using adapter fittings from Racing Automotive Group. Available in varying sizes, these performance fittings are designed to connect AN flare and AN straight thread line components, such as fuel line to fuel cell, or fuel line to fuel pressure gauge. These adapter fittings are manufactured from quality materials to exacting standards for tight, leak-free connections and then anodized for added durability. Viton® O-ring included.
Not Yet Reviewed
$7.99
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$15.99
$7.19
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$14.39
On Sale
Waterman Racing AN O-ring adapter fittings are available in a variety of sizes and styles. Machined from aluminum with a black anodized finish, the adapters are ideal when connecting lines or hoses of different diameters. Order the fittings needed to complete your plumbing application.
Not Yet Reviewed
$19.99
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$54.99
$17.99
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$49.49
On Sale
Aeromotive offers in-tank crossover adapters for a variety of applications. Here are details on two models: * FITTING 65615: Are you installing a ZL1 fuel module into your Pontiac G8 and cannot easily adapt the in-tank crossover line? This adapter converts the in-tank transfer pump connection on the Gen5 ZL1 or SS pump from 3/8 in. to the G8 Denso fuel module 12mm in-tank connection. * Features: -- 3/8 in. female quick-connect to 12mm male quick-connect -- Dual O-ring design -- Captive U-nut design ensures the part stays in place -- Aluminum construction, hardcoat black anodizing * FITTING 65601: This adapter converts the odd-size CTS-V2 12mm suction transfer hose connector to 3/8 in. quick-connect. The fitting is intended to be used when installing a CTS-V2 fuel module into a Gen5 Camaro, Chevy SS, or other model that has a 3/8 in. quick-connection size. * Details: -- 6061 aluminum construction, Type III hardcoat anodizing, dual Viton O-rings; installs easily -- This fitting also makes installing corner pickups much easier. A standard 3/8 in. quick-connector will fit.
Not Yet Reviewed
$31.80
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$42.40
$28.62
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$38.16
On Sale
Waterman gear fuel pump flange fittings provide easy hook-ups for your fuel line. Available in multiple attachment types, they're made from aluminum, given a black anodized finish, and are fully compatible with all common fuel types. Order the fitting sizes needed for your application.
Not Yet Reviewed
$92.99
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$146.99
$83.69
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$132.29
On Sale
Nitrous Outlet billet fuel rail adapters are machined aluminum fittings designed to provide a safe and simple way to tap into a vehicle's existing fuel line for a nitrous system—without needing to cut, drill, or modify the factory fuel rail. These adapters install between the factory fuel rail and fuel line, creating an accessible port to supply fuel to the nitrous system's fuel solenoid, often with additional ports for gauges or switches. They're available for a variety of applications, including many Ford, Nissan, and Chevy vehicles from 1999 and up.
( 1 )
$62.99
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$97.99
$53.54
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$83.29
On Sale
Nitrous Outlet Tube-to-AN adapters serve the primary purpose of providing a high-performance, leak-free solution for connecting stainless steel hard lines to AN fitting's in a nitrous oxide system. This is a crucial benefit for any high-pressure application like nitrous, where reliability and safety are paramount. The fittings are machined from high strength aluminum and anodized to prevent corrosion. They're available in popular sizes and configurations for most nitrous oxide connections. Select the fittings for your application needs.
Not Yet Reviewed
$10.99
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$38.99
$9.34
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$33.14
On Sale
Summit Bucks
Mishimoto air-to-water intercooler fittings are CNC-machined from 6061 aluminum and black anodized for added durability and lasting good looks. They allow for precise routing of air-to-water intercooler water lines and include a Viton® O-ring for assured sealing and leak-free performance.
( 1 )
$13.95
$12.56
On Sale
Aeromotive couplers offer more area and smoother transitions from the inlet to the outlet, resulting in less restriction than any other fitting line. Machined from 6061 T-6 aluminum or stainless steel for a precision fit and unmatched flow, Aeromotive specialty fittings, port adapters, and couplers are available in a variety of AN sizes and configurations. The billet aluminum fittings are anodized Type II bright dip black for corrosion protection and unrivaled aesthetics, plus all Aeromotive fittings and adapters are fully compatible with gasoline and alcohol-based fuels. Order the couplers needed for your application.
( 5 )
$13.25
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$128.90
$11.92
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$116.01
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