Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
AN & NPT Fittings & Adapters, Fuel Line Fittings, Hose Couplers & more
No matter what you’re plumbing—brakes, fuel, vacuum, oil, nitrous—you can plumb it with help from Summit Racing Equipment! You can find all of the...
No matter what you’re plumbing—brakes, fuel, vacuum, oil, nitrous—you can plumb it with help from Summit Racing Equipment! You can find all of the automotive fittings you need right here, including a wide range of AN, NPT, fuel line and hose fittings, along with adapters and reducers to go from one to another, and so much more. Our huge selection means you can assemble the complex custom plumbing system your competition vehicle needs, restore your classic car with period-accurate components, or just keep your daily driver running right. Take a look at our options for AN Hoses, to go along with your fittings.
No matter what you’re plumbing—brakes, fuel, vacuum, oil, nitrous—you can plumb it with help from Summit Racing Equipment! You can find all of the automotive fittings you need right here, including a wide range of AN, NPT, fuel line and hose fittings, along with adapters and reducers to go from one to another, and so much more. Our huge selection means you can assemble the complex custom plumbing system your competition vehicle needs, restore your classic car with period-accurate components, or just keep your daily driver running right. Take a look at our options for AN Hoses, to go along with your fittings.
Top Brands
Starting now, you can shop from all the best brands of automotive fittings on the market, including Russell, Earl’s, Aeroquip, and Fragola, plus our dependable and budget-friendly Summit Racing brand.
Showing In Stock Items. Show All 698 Items.
Summit Racing™ AN to NPT Adapter Fittings
Summit Racing™ AN to NPT adapter fittings will make almost any plumbing project on your vehicle easier. And because they're from Summit Racing™, we can offer a high-quality adapter at a very affordable price. They're available in straight, 45, and 90 degree configurations to match your needs. Select the finish, size, and configurations needed for your applications.
( 590 )
$2.99
—
$19.99
Russell Push-On EFI Fittings
Russell push-on EFI fittings are precision-machined to ensure outstanding thread engagement. The aluminum adapters are available in various finishes, sizes, attachment styles, and configurations to fit OEM hard lines. Some models are quick-connect and/or swivel. They're designed for a positive seal, even at maximum operating pressures. Plumb your electronic fuel injection system with quality accessories from Russell Performance!
( 145 )
$12.95
—
$36.99
Summit Racing™ AN O-Ring to AN Adapter Fittings
These Summit Racing™ AN O-ring to AN adapter fittings are the perfect solution to your plumbing needs. The O-ring fittings provide a leak-free seal and the durable anodized finish stands up to harsh automotive conditions. They come available in multiple sizes to suit your application.
( 123 )
$6.99
—
$16.99
Summit Racing™ Fuel Pressure Gauge Fittings
Summit Racing™ fuel pressure gauge fittings provide an easy way to install a fuel pressure gauge. These fittings are made from high-quality material and are available in a range of sizes and finishes to better suit your needs.
( 181 )
$5.99
—
$11.99
Summit Racing™ Hose Fittings
Looking for a cool way to dress up your engine compartment? Check out our vast assortment of Summit Racing™ hose fittings. They're available in chrome plated steel, brass, stainless steel, or anodized aluminum versions. As with all Summit Racing™ parts, the fittings are designed to provide quality and a proper fit. They are available in a wide range of sizes, angles, finishes, styles, and attachment options.
( 404 )
$3.99
—
$21.99
Summit Racing™ AN to Tube Adapter Fittings
Summit Racing™ AN to tube adapter fittings allow the easy connection of AN-type braided hose to aluminum tubing. The durable aluminum fittings use a screw-together compression fitting that is compatible with low-pressure fluid transfer applications. Order the fitting that will fit your needs.
( 137 )
$5.99
—
$13.99
Vibrant Performance AN to Hose Barb Fittings
Vibrant Performance AN to hose barb fittings allow you to slide the proper size hose over the barb end and thread the AN portion into the appropriate fitting. This means that you only need a few different fittings for the entire system. It is recommended to use a hose clamp when operating at consistent temperatures over 150 degrees. Vibrant Performance AN to hose barb fittings make running your custom lines--whatever direction you decide on--a lot less painful.
( 56 )
$8.99
—
$36.99
Moroso NPT to Hose Barb Fittings
These handy Moroso NPT to hose barb fittings are made of brass and are designed to allow easy fuel line installation on electric fuel pumps and regulators when using rubber fuel line. They have a male NPT fitting on one end and a barbed fitting on the other end and they're available in different sizes to fit your needs.
( 46 )
$10.99
—
$20.99
Aeromotive AN O-Ring Adapter Fittings
Aeromotive AN O-ring adapter fittings allow you to conveniently make factory-style connections with performance-style. They provide more area and smoother transitions from the inlet to the outlet, resulting in less restriction than any other fitting line. This line of custom fittings and adapters is a step above the norm, offering uncompromised fuel flow and positive sealing. Constructed of 6061 T6 aircraft-grade billet aluminum or stainless steel (unless marked otherwise), each component is CNC-machined for precision fit and unmatched flow. All billet aluminum fittings are anodized black for corrosion protection and unrivaled aesthetics. With a complete line of fittings, from OE-style connections to AN adapters for customization, Aeromotive AN O-ring adapter fittings make good investments for a great result on any build, repair, or restoration! More product details, items, and notes include: * All Aeromotive fittings and adapters are fully compatible with gasoline and alcohol-based fuels unless otherwise noted * Billet aluminum fittings are anodized black (Type II bright dip) unless otherwise noted * These products are not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications or on race-only vehicles driven only on the track
( 65 )
$21.37
—
$127.93
Dakota Digital Oil Pressure Adapters
For years, enthusiasts hit the hardware store in search of a few brass fittings to move the sensor up and away from the intake and distributor. Dakota Digital oil pressure adapters provide the clearance and flexibility you need in one convenient solution. The one-piece, brass, machined adapters are available in different models with NPT threads designed to fit your block to accept the sensor of your choice. The ports allow for maximum flexibility for a variety of situations. Order the model needed for your specific engine type.
( 59 )
$23.75
—
$23.99
Summit Racing™ AN Couplers and Reducers
Summit Racing™ AN Coupler and Reducers connect multiple sizes of male and or female threaded hose ends and hose together. The aluminum fittings are available in a variety of AN and NPT sizes, configurations, and protective finishes—swivel or non-swivel. These couplers are handy components to facilitate your automotive plumbing projects.
( 86 )
$4.99
—
$14.99
Summit Racing™ Unions
Our Summit Racing™ unions connect multiple sizes of male-threaded hose ends and hose together. Each fitting has a quality finish for corrosion resistance. Select your size and finish preferred.
( 115 )
$3.99
—
$11.99
Summit Racing™ AN to Inverted Flare Adapter Fittings
Designed to provide an easy connection to hose ends, these Summit Racing™ AN to inverted flare adapter fittings make it easy to plumb your fuel system. These fittings are replacements for those found on stock units.
( 84 )
$5.99
—
$7.99
Russell Fuel Rail Fitting Adapters
Russell fuel rail fitting adapters allow for the connection of Russell hose ends to almost any component. These adapters are offered in standard thread, metric thread, and pipe thread to fit most popular oil pumps, fuel pumps, and fuel filters—plus a variety of other common components. The regulator fittings provide a positive seal at maximum operating pressures. They're available in choice of aluminum or steel, in a variety of sizes, in angles or straight, as well as in different finishes, and attachment options. Order the Russell fuel rail fitting adapters designed to fit your application.
( 89 )
$12.95
—
$24.99
Vibrant Performance AN Swivel Fittings
Vibrant Performance AN swivel fittings help to correctly route hoses and make replacement easier. These black anodized aluminum fittings are available in a variety of sizes, so you are sure to find the right one for the job. They feature precise thread engagement and are available in 45 and 90 degree configurations for customizing line routings.
( 23 )
$20.29
—
$32.99
Earl's Performance Tube Adapter Fittings
Earl's Performance tube adapter fittings will simplify your plumbing project! They are manufactured from quality aluminum and feature a black, red, or blue anodized finish. Both male and female tubing adapters are available. These adapter fittings were originally designed to meet the needs of the racing industry but will work with any low-pressure application to adapt aluminum tubing to AN or NPT type fittings. Order the fitting type you need.
( 164 )
$18.96
—
$33.24
Summit Racing™ AN Reducers
These Summit Racing™ aluminum reducers have a durable anodized finish. But even more importantly, they allow you to connect dissimilar-sized AN flare lines to other AN flare line or components.
( 112 )
$4.99
—
$21.99
Radium Engineering AN ORB Swivel Banjo to AN Adapter Fittings
ORB (O-Ring Boss) ports are an industry standard and found on many automotive plumbing products. Radium Engineering AN ORB Swivel Banjo to AN adapter fittings feature anodized aluminum construction, making them lightweight and attractive. They are offered in several sizes to be used in any application using the same thread pitch O-ring port. All ORB fittings feature FKM O-rings for all oil and fuel types. Select the Radium fitting sizes you need and order them today from Summit Racing™.
( 21 )
$33.20
—
$56.99
Fragola Performance Systems Radius AN to O-Ring Boss Adapters
Whether you need bulkheads, tees, unions, reducers, swivels, couplers, or elbows to complete your plumbing job, look no further than Fragola for the finest fittings and adapters available. To the people at Fragola, engineering has great value, and perfecting their hose ends and fittings is serious business. Fragola Performance Systems radius AN to O-ring boss adapters are manufactured from aerospace-quality aluminum to exacting standards for tight, leak-free connections and then anodized for added durability. These American-made radius AN to O-ring boss adapters are available in varying sizes to fit nearly any application. Plumb with precision fittings from Fragola Performance Systems.
( 42 )
$7.99
—
$29.99
Vibrant Performance O-Ring to AN Adapter Fittings
Vibrant Performance O-ring to AN adapter fittings offer an aluminum build for lightweight strength. Their AN flare to AN straight cut adapter fittings are black anodized for added durability and looks. They include heat and corrosion-resistant nitrile O-rings, and are available in a variety of sizes and attachment styles. Build your project with quality-made Vibrant Performance O-ring to AN adapter fittings.
( 45 )
$10.59
—
$46.99
Fragola Performance Systems AN to Tube Adapter Fittings
Your connections will be the finest using Fragola AN to tube adapter fittings. They are machined from 6061 aluminum and bright dip anodized to look good and perform better for a long time. Pressure tested to 150 psi, these male- and female-style aluminum hardline AN adapters connect the bare end of hard tube to an AN-style fitting with leak-free performance. For precision plumbing choose Fragola fittings.
( 21 )
$16.99
—
$23.99
Earl's Performance Weld-Less Fuel Return Fittings
Earl's Performance weld-less fuel return fittings install just like rivet nuts, eliminating the need to access the inside of the tank or cell. Just drill a hole, install return tube, insert the fitting with the rubber washer, and tighten the bolt! The fitting collapses or "mushrooms" from the underside, securing it to the tank and creating a perfect seal to the tank mating surfaces. They are machined from 6061 billet aluminum and tested with tank material thicknesses up to 1/8 in. (0.125 in.). Each Earl's kit includes an oversized Viton® fluorelastomer rubber sealing washer, hex head screw with steel washer, -6AN low-profile port plug with Viton® O-ring, and two tube options--fixed and flexible nylon. Additional features: * Accommodates 6AN, 8AN, 5/16 in., or 3/8 in. hose barb adapters (sold separately) * Integrated 3/8 in. hose barb feature effectively routes returning fuel below surface level * Eliminate overhead splash * Maintain consistent fuel pressure by keeping air out of fuel system * Knurled ribbed body helps prevent rotation * Suitable for pump gas and E85 * Compatible with steel or aluminum tanks up to 1/8 in. thick * Installs on flat horizontal surfaces mounted on top of tank
( 7 )
$49.95
Earl's Performance Vapor Guard OEM Quick-Connect Fuel Rail Adapter Fittings
Earl's Performance introduces Vapor Guard OEM quick-connect fuel rail adapter fittings. These fuel line fittings offer an easy way to re-use existing OE fuel rails, fuel filters, and other components when doing an engine swap—or upgrading to Vapor Guard (or other AN plumbing). Each fitting has a -6 AN male flare and a metal retainer nut for a secure leak-free connection to the 5/16 or 3/8 in. SAE-style fuel tube. The adapters are machined from 6061 T6 aluminum with a black anodized finish. Order the size needed for your application. Additional product features and benefits: * Allows easy transition from AN plumbing to OEM late model fuel rails, fuel filters, and other fuel system components * Metal retainer nut is more secure than plastic clip * Choose from adapters that fit OE 5/16 or 3/8 in. tube on fuel rails (and other components) * Economically priced * Ideal for use with Earl's Vapor Guard hose and hose ends * Slim design for extra clearance
( 21 )
$29.10
—
$35.29
Fragola Performance Systems Radius AN to ORB Direct Fit Adapters
Whether you need bulkheads, tees, unions, reducers, swivels, couplers, or elbows to complete your plumbing job, look no further than Fragola for the finest fittings and adapters available. To the people at Fragola, engineering has great value, and perfecting their hose ends and fittings is serious business. Fragola Performance Systems radius AN to ORB direct fit adapters are manufactured from aerospace-quality aluminum to exacting standards for tight, leak-free connections and then anodized for added durability. These American-made radius AN to ORB direct fit adapters are available in varying sizes to fit nearly any application. Plumb with precision fittings from Fragola Performance Systems.
( 38 )
$17.99
—
$41.99
